As a power conversion interface between the power grid and energy storage batteries, it has highly efficient bidirectional conversion capabilities. By precisely controlling the charging and discharging of the energy storage battery system, it can flexibly dispatch electrical energy among the battery, load, and power grid, ensuring the stable operation of the energy storage system under various working conditions.

It is applicable to AC power systems of 110kV and below with relatively stable loads. It adopts comprehensive voltage and reactive power control. By adjusting the on-load tap changer of the main transformer and automatically switching capacitor banks, it realizes comprehensive voltage and reactive power control of the compensation bus.

Fixed DC de-icer converts AC power into an adjustable DC voltage through thyristor rectifier valves. This voltage is then delivered via smoothing reactors and de-icing transfer disconnectors to targeted transmission lines, thereby forming a DC circuit in the line. The inherent resistance of transmission lines causes a temperature rise when DC current flows, thereby effectively melting ice accretion to achieve the purpose of de-icing. Meanwhile, by controlling the firing angle of thyristor valves, the magnitude of DC current applied to the transmission line can be adjusted in real time and continuously. This allows for precise temperature regulation of transmission lines, enabling safe and effective ice removal. The device can provide safe, efficient, and rapid fully-automated intelligent de-icing for 66kV, 110kV, and above transmission conductors and ground wires in substations vulnerable to ice-snow disasters.

Smart Lighting Control Terminal (SLC Series) supports 50A/440VAC load and 3HP motor control. It features a built-in high-precision anti-saturation CT (Current Transformers) with 10mA-level sampling, enabling real-time monitoring of the operating current for each circuit to detect lighting circuit faults and trigger alarms. The terminal supports RJ45 and PowerBus (a domestic integrated power and communication bus), offers timed/manual control, integrates 8 Ethernet communication ports, and includes an interchangeable keypad. It ensures highly reliable lighting control and flexible deployment for intelligent buildings and industrial applications.

The DSRI Tianlin Intelligent Diagnostic Device employs advanced edge computing technology, deeply integrating mechanistic knowledge with artificial intelligence. It focuses on addressing economic losses caused by untimely fault detection in rotating equipment, promoting the shift from traditional preventive maintenance to predictive maintenance. The device primarily provides functions such as real-time operational monitoring, intelligent fault diagnosis, and efficient equipment management, with a consistent goal of helping users manage equipment health more effectively and ensure operational safety.

This sensor is applied in rail transit systems to measure multi-point potentials on rails, thereby providing analytical data for assessing abnormal rail potential and stray current analysis.

Agile BI system leverages software or services to perform unified data processing and management from diverse data sources, obtaining a holistic perspective of enterprise data. On this basis, appropriate query and analysis tools, data mining tools, OLAP tools, and others are employed for in-depth analysis and processing. The results are ultimately presented to corporate managers through flexible presentation formats, supporting their decision-making process.

The Intelligent Low-Voltage Power Protection Device is designed for low-voltage system motors., integrating network communication technology, cooperates with contactors and circuit breakers to provide a comprehensive professional solution integrating control, protection, measurement, metering, and communication functions for low-voltage AC motors. It can be deployed in an intelligent MCC (Motor Control Center). This device supports expandable temperature monitoring modules and insulation detection modules. It finds applications across multiple industries, including rail transportation, power generation, petrochemicals, light industry, coal mining, paper manufacturing, iron & steel, and metallurgy

It enables dual verification of flames and temperature for electrical cabinet fires; it can output current to control aerosol fire extinguishing; remotely trip circuit breakers to prevent reignition; features overload and leakage monitoring with remote switching capability based on preset thresholds.; supports optional 4G, carrier communication, and other modules for data upload.

The DCS100 DC Transducer is used to collect current and voltage parameters from the metro DC traction power supply system, and convert the collected electrical parameters into standard analog quantities (±20mA or 4-20mA) for output.

The BY-VIPS (Vector Image Processing System) is an edge computing device for image processing applications, suitable for power distribution projects in industries such as power grids, industrial manufacturing, rail transit, and water affairs. Its core functions include visual verification of ground wire installation before maintaining live equipment and secondary confirmation of switchgear disconnector status.

The mobile DC De-icer can perform safe, efficient, and rapid, fully automatic, intelligent de-icing on transmission conductors and ground wires of 35kV and above voltage level substations in power systems that are prone to ice and snow freezing disasters.

The system is a powerful assistant for enterprises transitioning toward green and low-carbon development. It integrates cutting-edge digital technologies to efficiently collect energy consumption and carbon emission data across all production process. Through intelligent algorithm-driven in-depth analysis, the system accurately identifies energy flow patterns and carbon emission hotspots, quickly pinpointing areas of high energy consumption and high emissions. Its real-time monitoring capability allows enterprises to track energy and carbon dynamics, while smart alert mechanisms promptly detect anomalies and prevent compliance risks. The visualized interface presents data intuitively with clear charts, helping managers to grasp the overall situation and formulate scientific carbon reduction strategies. With optimized scheduling, the system balances energy supply and demand, uncovers energy-saving and emission reduction potential, and effectively reduces operational costs. Whether for industrial enterprises or service-oriented institutions, this system enables refined management of energy and carbon, helping organizations gain a competitive edge in the green development landscape and steadily advance sustainable development goals.

Agile SCM system comprehensively covers all stages from raw material procurement to the final delivery of product to customers, including but not limited to supplier selection, material purchasing, production processing, warehousing and logistics, and customer service. By optimizing and integrating each node of the supply chain, it ensures products meet market demand with the right quantity at the right time, reduces overall costs, and enhances response speed and quality.

It features a hybrid topology structure with independent patents, deeply integrated with the BMU, supporting personalized charging and discharging at the battery module level, and solving the capacity loss and safety risks caused by the inconsistency of cells after grouping. Equipped with self-developed SOX balancing technology and active safety early warning based on EIS, it enables early diagnosis, early detection, and early isolation of battery hazards, and ensures no shutdown due to individual cell faults.

Agile PM system tightly integrates business processes with financial management, enabling end-to-end project management from initiation and execution to closure. By incorporating functions such as project planning, resource allocation, cost control, revenue recognition, and financial reporting, it ensures projects are completed on time and within budget. Simultaneously, it provides accurate financial data to support decision-making, enhances project transparency, optimizes resource allocation, reduces costs, and strengthens the enterprise's oversight of project financial performance.

Solid State Transformer (SST) is a new type of transformer that achieves energy transmission and power conversion through power electronics technology. Traditional industrial frequency transformers can transfer energy between AC systems of different voltage levels based on the principle of electromagnetic induction. In contrast, power electronic transformers, relying on power electronics and digital control technologies, can convert power in various forms, including AC and DC, at different voltages and frequencies. The product has achieved an industry-first compact and economical topology technology based on hybrid three-level, significantly reducing costs. The core components are made of silicon carbide (SiC) materials, which significantly improves the system's cycle efficiency.

Application: ZZMJ DC link capacitor is widely used in power electronic circuits of photovoltaic inverter, high voltage frequency converter, electric locomotive, electric vehicles, SVG, APF and other systems. It serves functions including filtering, energy storage, and protection - by smoothing the output voltage of rectifier and absorbing high-amplitude ripple currents from DC busbars. 

Features: 

• 1. Automatically restores insulation after dielectric breakdown during operation, ensuring continuous functionality.

• 2. Withstands high ripple currents and peak currents. 

• 3. Non-polarized design, endures long-term reverse voltage pulse. 

• 4. Small dielectric loss, low equivalent series resistance (ESR), enabling internal temperature rise, and stable temperature characteristics. 

• 5. Non inductive winding, with low internal inductive ESL and fast charge and discharge speed. 

• 6. Long service life, up to more than 100,000 hours.

The Hall Sensor is a type of magnetic field sensor based on the Hall effect, functioning as a current sensor via the magneto-electric effect. It is available in both open-loop and closed-loop configurations. Hall sensors are suitable for various applications and offer features such as high accuracy and fast response times.

DataHub supports multiple communication methods and hardware interfaces, including 3G/4G/5G high-speed networks, Wi-Fi wireless communication, and 10M/100M/1000M adaptive Ethernet communication. It features multiple opto-isolated RS-485 ports, an opto-isolated CAN bus interface, a USB interface, and a high-capacity TF card slot. Equipped with a real-time clock function and built-in supercapacitors, it enables power-off detection and ensures the preservation of critical data. The unit also supports online upgrades for both underlying firmware and applications. Its key features include high availability, power-off resumable transmission, and modular-level redundancy.

EdgeHub supports multiple communication methods and hardware interfaces, including 4G high-speed networks, 100/1000M adaptive Ethernet communication, RS485 communication, and PowerBus master station interface communication (an integrated power supply and communication bus). It enables LAN-level transparent transmission. The gateway can be installed in field cabinets and connected to various power meters, intelligent controllers, PLCs, and power devices via RS485 serial ports, PowerBus interfaces, or Ethernet ports for communication with this equipment. Through 4G high-speed networks, it publishes the collected data to cloud servers on the internet. Users can employ mobile phones, tablets, industrial computers, or other devices with remote client software to conveniently access field data, remotely monitor and control field equipment, perform remote downloads of programmable logic, and conduct remote maintenance and configuration.

Agile WMS provides enterprises with functional modules including inbound management, outbound management, transfer management, sorting management, inventory counting, and reporting management. By addressing pain points in warehouse management, it enables effective control and tracks the entire process of warehouse operations, achieving comprehensive enterprise warehousing and logistics information management. The system helps build an agile, efficient, reliable, and flexible warehousing and logistics management platform for businesses.

It is widely applied in urban complexes, telecom carriers(China Mobile/Telecom/Unicom), rail transit, distribution networks, and industrial plants, etc., with the function of power transmission among power generation, transmission, and distribution equipment.

The Power Meter (PM) enables high-precision measurement of voltage, current, frequency, and other parameters, while simultaneously supporting power quality monitoring. It features 4-channel temperature measurement and 2-channel AC220V active digital inputs. Utilizing PowerBUS 24V power supply bus and RS-485 communication interface, it can be seamlessly integrated into various energy management systems. With its compact design and standard DIN-rail mounting, installation is simple and convenient. This device is suitable for widespread applications in rail transportation, smart buildings, low-voltage power distribution systems, energy management systems, and industrial automation.

The DC Relay Protection Measurement and Control Device (DCR150 Series) is designed for protection, measurement, and control of urban rail transit DC traction power supply systems. The device provides protection and monitoring for DC system components, including incoming/outgoing lines, feeder circuits, frame leakage systems, and rail potential. It is suitable for various urban rail systems such as metros, trams, intercity railways, and trolleybuses, and supports DC overhead contact lines at all voltage levels.

Agile APS system is a capacity-based, automated, and intelligent advanced planning and scheduling system. It helps enterprises rapidly develop optimized detailed production plans that comply with various constraints (man, machine, material, method, environment) while meeting planning objectives and strategies. By enabling shorter manufacturing lead times, reducing inventory, improving on-time delivery performance, the system effectively enhances customer value and drives business growth.

It is a product capable of  simply, flexibly, and rapidly deploying internal logistics scenarios. It addresses challenges such as high complexity and fragmentation in logistics integration and has been successfully implemented for long-term applications across multiple industries, including power equipment, lithium batteries, pharmaceuticals, and cosmetics. 

The IAC Series uniformly coordinates Automated Guided Vehicles (AGVs) and Rail-Guided Vehicles (RGVs) of various navigation methods, brands, and types. It empowers customers to select different AGV/RGV models based on their specific scenarios and fully leverage their unique characteristics to resolve the long-standing pain point of logistics isolation in the AGV industry. Additionally, it enables quick configuration of equipment that needs to interface with AGVs/RGVs during operation, such as automated warehouses, elevators, conveyor rollers, lifters, and robotic arms. This ensures seamless coordination with factory material distribution plans, progressively advancing the value of fully automated logistics.

Leveraging advanced sensing, digital acquisition, data analytics, expert diagnostics, and communication technologies, the Smart C solution enables full life-cycle perception, monitoring, analysis, prediction, and fault diagnosis for power distribution equipment and its components. It addresses economic losses caused by delayed failure detection in such equipment and facilitates the transition from traditional preventive maintenance to predictive maintenance. The solution is widely deployed across industries, including power, metallurgy, and rail transportation.

Agile CRM system centers on the management of customer data, recording various interactions between enterprises and customers during marketing and sales processes. It manages the entire sales process from pre-sale to after-sale, establishing an information-based and digitalized sales management system. It optimizes and standardizes sales procedures, providing support for enterprises to explore and follow up on customer demands, and ultimately enhancing the profitability of the enterprise.

Agile MES is a production information management system designed for the workshop execution layer of manufacturing enterprises. It serves as a bridge between upper-layer planning management systems and underlying shop-floor automation systems, functioning as a comprehensive management information system at the workshop ayer. By controlling all factory resources—including materials, equipment, personnel, process instructions, and infrastructure—it optimizes the entire production activities from order to product completion, enabling full-process management of manufacturing operations.

The HVDC Smart is the core equipment of the VSC-HVDC system. As one of the key technologies for building a new power system dominated by renewable energy, flexible DC transmission technology represents the highest global standard of power transmission technology today. The ±800kV/5000MW UHV flexible DC transmission converter valve independently developed, designed, and manufactured by ourselves has been successfully applied in the national key project of West-to-East Power Transmission (the Wudongde Hydropower Station to Guangdong and Guangxi UHV Multi-Terminal Flexible DC Transmission Demonstration Project of China Southern Power Grid). This achievement marks that our company has become one of the suppliers capable of providing products with the world’s largest capacity and highest voltage level in its category. In addition, the company has also participated in multiple national-level key flexible DC transmission projects such as Baihetan of State Grid, Rudong Offshore Wind Power in Jiangsu, Back-to-Back of Guangdong Power Grid, and Yangzhou Qingzhou Offshore Wind Power in Three Gorges. 

In 2024, the company successfully won the bid for the Saudi Arabia Central-West Flexible DC Project. This was the first time that RXHK's flexible DC products were implemented in an overseas market, marking a significant breakthrough for the company’s ability to export its independently developed high-end flexible DC transmission technology, standards, and equipment.

Smart Control Module (SCM) integrates high-reliability design, supporting 50A/440VAC loads and 3HP motor control per single circuit. It features built-in high-precision anti-saturation CT for 10mA-level current sampling, enabling real-time circuit status monitoring and fault reporting. It supports RS-485 and PowerBus communication, timed/manual multi-mode control, and provides three-stage overcurrent protection, power-off data retention, and auto-reset functionality. With embedded programmable logic, it enables staggered load activation during power-up to prevent electrical surges and supports self-diagnosis. The flame-retardant PVC housing facilitates standard snap-on installation, combining industrial-grade safety with flexible deployment capabilities.

Low-code is a development platform that enables rapid application generation with little or no coding. RPA (Robotic Process Automation), also known as a "digital workforce," is a supportive intelligent software that mimics human computer interactions to automate rule-based and repetitive tasks. It significantly enhances operational efficiency and accuracy.

The main product range includes Air-operated Circuit Breaker (ACB), Molded Case Circuit Breaker (MCCB), Miniature Circuit Breaker (MCB), and Automatic Transfer Switch (ATSE). , offering a comprehensive portfolio with complete protective functionalities such as overload long-time delay, short-circuit short-time delay, short-circuit instantaneous, and under-voltage protection, which protect circuits and power supply equipment from damage.

The portable DC De-icer can form an adjustable direct current on the transmission line by rectifying the 0.4kV or 1kV AC power supply through a silicon-controlled rectifier. Due to the resistance property of the transmission line, the direct current passing through increases the temperature of the transmission line, thereby melting the ice on the line and achieving the de-icing purpose. Meanwhile, by controlling the trigger angle of the silicon-controlled rectifier valve, the magnitude of the direct current added to the transmission line can be continuously and precisely adjusted in real time, thereby accurately controlling the temperature of the transmission line and safely and effectively de-icing the line. It is suitable for distribution lines and transmission line ground wires, and can effectively implement safe, fast, and convenient de-icing.

The SST direct-mounted energy storage matrix, integrating power electronic battery stacks and energy storage-type power routers. By replacing traditional PCS and transformers with power routers, it enhances the conversion efficiency of the energy storage system, meets more refined battery management requirements, builds a safer system architecture, and achieves faster grid support capabilities. The levelized cost of storage (LCOS) of the energy storage system is reduced by 32%, and the internal rate of return (IRR) of the system investment is increased by 45%.

The system supports the connection of distributed power sources such as small hydropower, photovoltaic, wind power, and energy storage, and has capacity calculation for connected microgrid, including power generation quantification, green power metering, renewable energy consumption calculation, and energy balance calculation. Specific capabilities includes: 

Multi-energy coordination control (including distributed power source output tracking, load characteristic analysis, energy storage system status assessment, microgrid collaborative optimization control, and load edge collaborative control, etc.); 

Intelligent operation and maintenance decision-making (integrating equipment health evaluation, fault mode recognition, and predictive maintenance based on geographical location); 

Planning and optimization support (covering power source capacity configuration and network reconfiguration strategies); 

Comprehensive data governance (including multi-source heterogeneous data access, time series database management, and data asset tagging).

It collects, stores, monitors, analyzes and calculates information such as current, voltage, and switch status at various nodes and branches of the power supply system, providing tools and decision-making basis for intelligent operation and maintenance and cloud-based inspection.

The Device integrates protection and measurement-control functions, designed for the protection and monitoring of lines, transformers, feeders, capacitors, reactors, and other bays in power systems with voltage levels of 110kV and below.

The device is an integrated intelligent device incorporating multiple monitoring technologies, data processing, and diagnostic functions. It focuses on the real-time monitoring and abnormal diagnosis of power equipment operating status. By combining multi-modal sensing technology with advanced algorithms, the device provides a comprehensive and efficient solution for the status monitoring and predictive maintenance of power equipment, enhancing the safety and reliability of equipment operation.

The Intelligent Switchgear Monitoring and Control Terminal is an intelligent electronic device that integrates information collection, computation, display, and transmission functions; it is also an intelligent terminal unit for real-time online monitoring and control of medium/high-voltage switchgear. By incorporating various intelligent components such as optical encoders, wireless temperature sensors, Hall sensors, and high-definition cameras, the terminal enables real-time online monitoring and control of switchgear’s primary breaking voltage/current, operational status, coil and motor currents, switching operation travel, critical point temperatures, and ambient temperature/humidity. Through motorized mechanisms and Hall sensors, it enables one-key sequential control for truck position and grounding switch operation.

It includes small hydropower intelligent integrated control panels, hydropower intelligent controllers, hydropower protection controllers, microgrid protection and measurement control integrated devices, hydropower microgrid controllers, and hydropower intelligent control terminals.

• Small hydropower intelligent integrated control panel: Features include generator excitation control, quasi-synchronization grid connection, comprehensive generator protection, power generation operation data measurement, forebay water level measurement, and turbine speed regulation control. 

• Hydropower intelligent controller: Capable of forming a microgrid to increase power generation efficiency; it can also complement an automatic power generation system for emergency power generation. 

• Hydropower protection controller: Provides functions such as overcurrent instantaneous protection, overvoltage protection, undervoltage protection, low-frequency protection, high-frequency protection, circuit breaker protection, and runaway protection. 

• Microgrid integrated protection and measurement control device: Combines islanding identification + fault detection + power flow judgment, enabling automatic rapid switching of grid-connected breakers whenthe off-grid conditions are met. 

• Hydropower microgrid controller: Applied in hydro-PV-storage microgrid coordination control to maintain power and frequency stability during microgrid operation, and maximizes the utilization of clean energy. 

• Hydropower intelligent control terminal: Collects and analyzes operation data of the hydro generator, providing voltage and frequency protection for the equipment.

The equipment assembly integrates components, including circuit breakers (CB), busbars, disconnecting switches, voltage transformers, current transformers, lightning arresters, bushings, and grounding switches. It employs SF6 gas with outstanding insulation and arc-extinguishing performance as the dielectric and arc-quenching medium, and seals all HV electrical components within a grounded metal enclosure. Suitable for power grids with HV levels and large capacity ratings, it serves for power reception/distribution and control. 

Features: compact structure, small footprint, high reliability, flexible component arrangement, convenient installation, strong safety, robust environmental adaptability, and minimal maintenance workload. 

Voltage levels: 126kV, 252kV

Cubic Gas Insulated Switchgear (C-GIS) constitutes switchgear operating at 12-40.5kV for power reception /distribution within transmission and distribution systems. Meanwhile, it performs control, protection, measurement, monitoring, and communication functions during both normal and fault conditions of power systems — deployable across power, metallurgy, ports, construction, chemical, and railway electrification application scenarios, with particular suitability for demanding environments including underground, plateau, permafrost, coastal, and humid conditions. 

Features: small footprint, fully sealed components immune to environmental interference, high operational reliability, user-friendly operation, extended maintenance intervals, minimal maintenance workload, rapid installation, and low operating costs. 

Voltage levels: 12kV, 24kV, 40.5kV

Armored Withdrawable AC Metal-Enclosed Switchgear is used in power plants, substations, power transformation/distribution centers of industrial /mining enterprises, and large HV motor starting equipment. It serves for power reception and distribution while delivering circuit control, protection, and monitoring functions. 

Features: safe, reliable operation, stable performance, and convenient maintenance; developed by incorporating structural advantages of mainstream domestic products while assimilating the merits of similar foreign products. 

Voltage levels: 12kV, 24kV, 40.5kV

Application: Power transformers serve as primary equipment in power plants and substations, extensively utilized in power grids, power generation, water conservancy, railways, aviation, and various industrial and mining enterprises. 

Features: Low loss, reduced temperature rise, low noise, suppressed partial discharge, high dielectric strength, superior short-circuit withstand capability, strong overload capacity, high operational efficiency, energy-saving and environmentally friendly, and on-site installation without core lifting. 

Voltage range: 35kV to 750kV

Porcelain Bushing Capacitors for Special Application can be developed and manufactured for customized AC/DC systems based on actual operating conditions and user requirements. 

Features: 

• 1. Carrier frequency range: 30–500 kHz 

• 2. Aesthetically compact design with high insulation margin 

• 3. Low dielectric loss and minimal partial discharge (PD) 

• 4. Low temperature coefficient 

• 5. High mechanical strength

Through decades of experience accumulation, technological transformation, and independent innovation, the product quality and technical level of our glass insulators have reached internationally advanced standards. The comprehensive technical performance of our high-tonnage series and anti-icing flashover AC/DC series products has achieved global leadership. 

With an annual production capacity of 12 million tempered glass insulator units, our company has become the world’s largest manufacturing base for tempered glass insulators. Our products have been deployed in over 280 domestic and international 500kV extra high voltage transmission lines, demonstrating the highest application volume in ultra-high voltage AC/DC transmission projects globally within the industry. The products are exported to over 100 countries and regions worldwide, with cumulative sales exceeding 100 million units.

The glass insulators are categorized into AC and DC types, with mechanical strength ratings spanning 40kN to 1000kN. Based on the shed configuration, they are classified into: standard type, anti-fouling type, aerodynamic type, double-shed type, and triple-shed type.

The anti-fall glass insulator is a upgraded product developed through the refinement and optimization of the production process and control parameters of tempered glass insulators, further reducing the self-breakage rate. Building on existing glass insulator technology and drawing inspiration from automotive glass design, a protective film is applied to the surface of the tempered glass to prevent shattering. During use, if the glass component breaks, it remains entirely encapsulated by the polymer coating and separates from the metal cap without any glass fragments scattering. This innovation fully retains the advantages of tempered glass insulators, such as zero-value self-breaking and visible detection, while completely eliminating the risk of scattered glass fragments causing harm to the environment and the ground.

Additionally, the excellent hydrophobic properties of the polymer coating significantly enhance the pollution resistance of the glass insulator, effectively reducing the need for maintenance and cleaning. This enables the use of glass insulators in overhead power lines located in heavily polluted areas, densely populated regions, and agricultural zones, thereby expanding their application scope. It also addresses the safety concerns associated with using glass insulators in plain, densely populated areas.

A high-performance insulating sheet material manufactured using ceramic fibers as the base with silica aerogel through supercritical drying technology. It features low thermal conductivity, high water repellency, fire resistance, flame retardancy, and environmental sustainability applicable for insulation, fire prevention, and explosion protection between new energy battery packs and for the entire battery.

Porcelain insulators are mainly used in HV overhead transmission and distribution lines to insulate and support conductors. Different types of insulators, such as ordinary and pollution-proof types, are selected based on different pollution areas. They are also used in strings according to different voltage levels.

Porcelain insulators include HV suspension porcelain insulators, HV line post porcelain insulators, high-voltage line pin porcelain insulators, and high-voltage porcelain cross-arm insulators, with strengths of 40kN, 70kN, 120kN, 160kN, 210kN, 300kN, 420kN, and 550kN. They are used in strings according to different voltage levels: 35kV uses 3 pieces per string, 110kV uses 7 pieces per string, 220kV uses 14 pieces per string, and 500kV uses 28 pieces per string. For insulator strings of 220kV and above voltage levels, suspension products with a strength grade of 100kN or above are used.

Porcelain insulators have a long history of use in China. They are safe, reliable, and not prone to aging. Their service life is generally over 30 years, and the annual deterioration rate is less than 0.01%.

Capacitive voltage transformer (CVT) series products are designed for high voltage, extra high voltage, and ultra high voltage power systems with a rated frequency of 50Hz. Connected between line and ground,  they supply voltage signals to electrical measuring instruments, meters, as well as protection and control devices, while also serving as coupling capacitors in power line carrier coupling equipment.

Hollow composite insulators are primarily composed of three main components: fiberglass-reinforced epoxy resin winding tubes, silicone rubber sheds with creepage extension design, and connecting flanges. 

The epoxy fiberglass reinforced winding tube serves as the insulating inner component of the hollow composite insulator. It is manufactured by specialized winding machines through continuous filament winding of resin-preimpregnated non-alkali glass fiber, following a mechanical layering design, delivering exceptional mechanical strength and dielectric properties. Functioning as the external insulation of a hollow composite insulator, the silicone rubber weather sheds deliver critical electrical performance, including protection and designated creepage distance. The connecting flanges, produced through aluminum die-casting, deployed proprietary bonding technology to transmit mechanical loads while ensuring structural sealing for support and connection. Hollow composite insulators are suitable for use in 40.5kV to 550kV power systems, such as high-voltage electrical products including SF6 transformers, SF6 circuit breaker housings, surge arresters, high-voltage bushings, capacitor voltage dividers, and cable terminations.

Current transformers feature a single-phase, oil-immersed, fully-sealed outdoor design. Widely deployed in 50Hz transmission lines with rated voltages of 110kV to 220kV, they operate based on the principle of electromagnetic induction to convert primary high currents into measurable secondary low currents. Connected in series within monitored circuits, these transformers supply current signals to electrical measuring instruments, meters, and protection/control equipment.

STATCOM is mainly used to provide dynamic reactive power and voltage support to the power grid. The device connects a voltage-source converter to the power grid in parallel through a reactor or transformer, automatically adjusting the amplitude of the AC side output voltage of the converter, to rapidly absorb or generate the required reactive power, and achieves the purpose of rapid dynamic voltage regulation and enhances the stability of system operation. The STATCOM products are mainly targeted at overseas markets and international customers seeking renewable energy AC grid integration solutions. They have been exported to regions including Europe, America, Oceania, and Africa. The large-capacity HV active power filter (HAPF) developed by the company will be first applied in the Fujian-Guangdong interconnection DC project jointly carried out by State Grid and Southern Power Grid, to solve the harmonic amplification issues in conventional DC converter stations and ensure stable operation of the DC system. The sub-synchronous resonance dynamic stabilizer (SSR-DS) launched by the company primarily serves power plant customers. It uses dynamic reactive power technology to effectively suppress sub-synchronous resonance caused by renewable energy grid integration and other reasons, preventing damage to the turbine shaft system, extending the service life of the unit, and ensuring the safety of power generation. The company is one of the first domestic manufacturers to apply this technology.

Oil-impregnated paper bushings are manufactured by alternately winding insulating paper and aluminum foil around a conductive tube according to design specifications to form a capacitor packet, which is then housed within upper and lower porcelain shells (or composite hollow insulators) connected via a coupling flange. They were followed by vacuum-impregnation with transformer oil for insulation. Since producing China's first oil-impregnated paper capacitor bushing in 1958, our company has focused on technology introduction, mastering international manufacturing processes for oil-paper insulation products. This has enabled us to develop proprietary manufacturing techniques, bringing the technical parameters and performance indicators of our bushings to world-class standards comparable to advanced international counterparts. Our products even surpass foreign alternatives in electrical performance and insulation margins. In recent years, we have further launched seismic-resistant & explosion-proof oil-impregnated paper bushings, resolving the historical vulnerability to explosion during short-circuit failures. This innovation has breathed new life into traditional products.

Low-voltage power cables are designed for rated voltages of 0.6/1kV and 1.8/3kV, used in transmission/distribution networks and industrial installations to transmit electrical energy.

Voltage grades: 0.6/1kV, 1.8/3kV

Insulation materials: Polyvinyl chloride insulation (PVC), cross-linked polyethylene insulation (XLPE)

RdbPlus million-point industrial real-time database offers extensive communication drivers to efficiently facilitate data acquisition, supports high-concurrency client access services, and enables multi-dimensional, multi-task operations, ensuring the system's security, stability, and high-efficiency performance. Centered around a real-time database, RdbPlus supports wide-area distributed communication networking, enabling the construction of large-scale distributed SCADA platforms. Each node provides data acquisition gateway services (I/O Server), real-time data services (Rdb Server), mass historical data storage and retrieval, production scenario graphical configuration, and a web-based graphical system publishing platform. Additionally, it offers open APIs (C/C++, C#, Java) and WebSocket interfaces for third-party access, enabling efficient industrial data mining and analysis.

Application: The miniaturized switchgear based on solid, SF6 gas and air insulation is widely used in industrial and civil cable ring networks and power distribution terminals. It is suitable for power reception and distribution infrastructure in small secondary distribution stations, switching stations, urban communities, high-rise buildings, and other power systems. 

Features: Compact structure, complete solution portfolio, flexible and simple combination, good seriality and versatility, expedited delivery capability. 

Voltage level: 12kV, 24kV

Aerogel Blanket features low thermal conductivity, high hydrophobicity, fire resistance, flexibility, environmental sustainability, and long service life. Meanwhile, it also has many excellent properties, including easy cutting and construction with broad applications in aerospace, precision instruments, electronic products, new energy, biochemistry, and other fields. According to the base material, it can be classified into pre-oxidized fiber aerogel blanket, nano aerogel insulation board, wet-process glass fiber aerogel felt, and foam aerogel blanket.

Application: Suitable for power distribution systems with the frequency of AC 50Hz and rated working voltage below 400V, used for power reception and distribution while providing circuit control, protection, and monitoring functions. 

Features: Strong current-carrying capacity, high insulation level, large breaking current, reliable performance, mature technology, and complete models, which can meet diverse power consumers' requirements across substations, power plants, iron and steel metallurgy, municipal infrastructure, food and medicine, rail transit systems, data centers, and nuclear power plants. 

Voltage level: 400V / 690V

Application: Assembling switchgear, measuring instruments, protective appliances and auxiliary equipment within enclosed or semi-enclosed metal cabinets or panels boards per electrical wiring specifications to constitute low-voltage distribution boxes, which can meet the needs of power supply and distribution, lighting distribution, power conversion, distribution and control, metering and lighting power distribution in different occasions. 

Features: Small volume, simple installation, unique configuration, not limited by the site, common application, stable and reliable operation, less land occupation and environmental protection. 

Voltage level: 400V

The main product range encompasses vacuum interrupters for circuit breakers and reclosers, vacuum interrupters for load switches and sectionalizers, vacuum interrupters for contactors, as well as solid encapsulated poles for circuit breakers and reclosers. These products are exported to international markets including Japan, Southeast Asia, and Russia - with  broad applications across power industry, metallurgy, petrochemicals, coal mining, electric railways, urban rail transit, high-rise buildings, urban grid control centers, and rural grid control centers.

Application: Rectifier transformers supply power to rectification equipment, extensively applied in electrochemical processes, metallurgy, traction systems, industrial drives, electrostatic precipitation, and DC power supply fields. 

Features: Reliable insulation strength, strong short-circuit resistance, high overload capacity, high operation efficiency, low noise, energy conservation, and environmental protection. 

Voltage level: 35kV ~ 330kV

Application: Cast resin dry-type transformer can be used in various fields, especially in areas with prominent fire safety problems, including mines, oil platforms, subway stations, schools, business centers, high-rise buildings, etc.

Features: Low partial discharge, strong short-circuit resistance, good lightning impact resistance, low noise, remarkable energy-saving effect, safety, flame resistance, fire prevention, no pollution, maintenance free, simple installation, low comprehensive operation cost, good moisture resistance, etc.

Voltage level: 10kV, 20kV, 35kV

SiO2 aerogel particles are inorganic, nano-porous solid materials made through supercritical drying technology. It features low density, high specific surface area, high fire resistance rating, and environmental sustainability,  additionally offering excellent sound insulation and shock absorption performance, with applications in fields such as gas adsorption, home appliances, water treatment, and thermal insulation fillers. 

SiO2 aerogel powder is an inorganic nano-porous solid material manufactured through supercritical drying technology, derived from classified crushing of aerogel particles. It exhibits low density, high specific surface area, high fire resistance rating, and environmental sustainability, while delivering excellent sound insulation and shock absorption performance, suitable for fields such as gas adsorption, home appliances, water treatment, and thermal insulation fillers. 

SiO2 aerogel micro-spheres are inorganic high-porosity micro-sphere materials made through supercritical drying technology. It features thermal conductivity below 0.018 W/(m·K), density of 50 to 180 kg/m³, specific surface area exceeding 1000 m²/g, A1-level fire resistance, environmental sustainability, and excellent recyclability. It can be applied in fields such as gas adsorption, water treatment, and thermal insulation fillers.

Application: The equipment is used in both AC and DC switchyards of HVDC transmission converter stations, respectively applied to improve system power factor and filter out high-order harmonics, while providing reactive power compensation and filtering AC components from DC systems. 

Features: Voltage ranging from ±500kV to ±800kV for HVDC transmission projects; world-class design and manufacturing technologies; visually refined structure; superior performance; reliable operation.

System Voltage Rating: 220kV～1000kV. 

Application: The equipment is used in power systems above 1kV, industrial and mining power distribution networks, and electric railways to improve system power factor, reduce line losses, and improve voltage quality. 

Features: Reliable performance, safe operation, long service life, simplified installation, convenient maintenance, compact structure, and small footprint.

Application: It is used in 1kV ~ 1000kV transmission and distribution systems to compensate for the inductive reactance in power lines, reduce voltage drop, increase transfer capacity, and improve grid stability. 

Features: Safe and reliable performance, long service life, internal fuse or non-fuse design can be adopted, and the bushing adopts an effective anti-leakage structure.

Application: The device is used for power systems above 1kV, distribution networks of industrial and mining enterprises and electrified railways to improve the power factor of the system, reduce line loss and improve the voltage quality of the system.

Features: Reliable performance, safe operation and long service life. The utility model has the advantages of simple installation, convenient maintenance, compact structure and small land occupation.

Application: BKMJ self-healing high voltage shunt capacitor is used in industrial-frequency AC power systems above 1kV, for improving power factor, regulating network voltage, and reducing line loss. 

Features: 

• 1. The capacitors utilize a self-healing structure, allowing automatic recovery from normal dielectric breakdown, ensuring continuous operation. 

• 2. A sensitive and reliable "pressure-fuse" primary protection, whose mechanism guarantees prompt isolation of faulty components without affecting adjacent components. 

• 3. The capacitors feature a liquid-free dielectric structure, eliminating leakage risks, environmental pollution, and enhancing safety and eco-friendliness. 

• 4. 1.Designed with modular stacking, offering compact size, small footprint, and convenient installation.

Intelligent capacitor banks represent a compact version of TSC/MSC complete sets, featuring a small and aesthetically pleasing form factor with reduced individual unit capacity. They are particularly suitable for applications with modest capacity and constrained installation space requirements. Multiple intelligent capacitor units can be arranged in cabinets, delivering a neat appearance, convenient installation, and simplified wiring. These capacitors integrate advanced industrial technologies, including modern measurement and control, power electronics, network communication, and automatic control, combined with industrial aesthetic design. Benefits include reduced size, lower power consumption, easy maintenance, and long service life.

Hydrophobic SiO₂ aerogel slurry achieves dry slurry density as low as 60kg/m³ with room-temperature thermal conductivity down to 0.018W/(m·K), exhibiting exceptional hydrophobic properties. Applications include thermal insulation coatings, fireproof coatings, high-temperature coatings, building insulation blankets, and related fields.

 Aerogel coating is a high-efficiency thermal insulation material composed of hydrophobic SiO₂ aerogel powder with inorganic binders. Featuring room-temperature thermal conductivity as low as 0.030W/(m·K) and withstanding temperature up to 400°C, it is applicable for gap filling, bonding, and repair in thermal insulation applications for profiled pipelines and equipment.

TSC/MSC Dynamic Reactive Power Compensation Products features a fully digital intelligent control system centered on high-performance chips. By using thyristors as rapid, contactless zero-crossing switches for capacitor banks, it automatically adjusts compensation based on reactive power/power factor targets, enabling real-time tracking compensation and harmonic suppression. This system is extensively deployed in industrial facilities, urban/rural grid upgrades, street lighting networks, and residential power distribution systems.

The modular APF can filter out 2-50th harmonics, support multi-machine parallel operation, and the working mode can be set independently. It supports various network protocols (such as Modbus, UDP, etc.) and has been widely applied in the power supply and distribution systems of enterprises, commercial institutions, and government organizations. Its main applications include: power systems, petroleum, tobacco, chemical industry, metallurgy, pharmaceuticals, shipbuilding, automotive manufacturing, telecommunications, cement, mining, electrified railways, precision mechanical processing, welding, textile, printing, precision electronics, etc.

High-power converters(MaxiVert) and other advanced equipment are mainly applied in clean energy and key national strategic projects. The company's independently developed 10kV/20MW-class ultra-high power frequency conversion device has broken the foreign monopolies. The product has comprehensively replaced imports in the national key project of the West-East Gas Transmission's long-distance natural gas pipeline project, driving technological progress and domestic localization of core components such as the crimp-type IGBT. 

The company’s independently developed 86MVA variable frequency speed regulation device for aerodynamic tests has overcome several core technical difficulties in variable frequency, such as ultra-high power, high rotational speed accuracy, high dynamic response, high energy consumption braking, high electromagnetic compatibility, and high reliability. This achievement resolved the "bottleneck" problem of aerodynamic tests for large aircraft in China, broke through the foreign technological protection barriers, promoted the progress of related domestic industries, and made significant contributions to promoting the development of China's aviation equipment and improving the research and development and testing capabilities of national major technical equipment.

Dynamic Voltage Restorer (DVR) is a series compensation device equipped with energy storage devices (systems), which has the ability to compensate for active power in addition to reactive power. It generates compensation voltage within 1 to 2 milliseconds, ensuring that the load side voltage is not affected by disturbances and guaranteeing the safe and reliable operation of sensitive loads, computers, and other equipment. DVR has been widely applied in high-precision fields such as integrated circuit manufacturing, power electronics chip manufacturing, aircraft, automobiles, and mobile phone manufacturing; as well as in high-security fields such as airports, hospitals, IT, and telecommunications industries.

The HV SVC series products include TCR and MCR types. They adopt HV thyristor series technology and can be directly connected to 35kV, with a capacity of up to 180MVar. By real-time adjustment of the conduction angle of the thyristor valve, the purpose of rapid reactive power regulation can be achieved. In addition, the phase-by-phase compensation function of SVC can eliminate three-phase imbalance, and the filter device can eliminate harmful high-order harmonics and provide capacitive reactive power to the system to improve the power factor. SVC has unique advantages in the metallurgy, steel, mining industrial fields, especially in the treatment of large impact and unbalanced loads such as electric arc furnaces.

High-voltage SVG (Static Var Generator) adopts H-bridge modular cascaded technology, enabling direct connection to 35kV systems. Through phase-shifted carrier modulation control, it dynamically adjusts the amplitude and phase angle of the output voltage on the AC side of the inverter, rapidly absorbing or delivering required reactive power. This achieves voltage stabilization, reactive power compensation, suppression of voltage fluctuations and flicker, and three-phase imbalance mitigation.

SVG series products are extensively applicable in petroleum & chemical industries, power systems, metallurgy, electrified railways, and urban construction sectors. They provide high-quality, reliable reactive compensation and filtering solutions for various equipment including: asynchronous motors, transformers, thyristor converters, variable-frequency drives (VFDs), induction furnaces, lighting systems, arc furnaces, electric locomotives, hoists, cranes, stamping presses, elevators, wind turbines, welding machines, resistance furnaces, and quartz melting furnaces.

The system is a comprehensive full lifecycle management system for power equipment, which is based on advanced sensing technology, IoT technology, big data analysis technology and computer network technology. The system has eight functional modules: real-time monitoring of rail transit power equipment, fault prediction and health management ofelectromechanical equipment, secondary equipment operation and maintenance management, professional waveform analysis, video inspection analysis, panoramic visualization, O&M work management, and energy management. 

The eight functional modules of the system can be combined based on project and client requirements, leading to the development of three derived subsystems: the power equipment fault prediction and health management system, the waveform analysis and management system, and the substation video inspection system.

Integrating computer vision technology into a video inspection system enables image processing and object analysis of video data streams to identify the status of power supply equipment, such as the positions of switch disconnectors, signal indicators, pressure plates, meters, and protection device panels - replacing manual judgment with machine recognition to ultimately achieve unmanned inspections. After intelligently identifying the image-based status, the results are compared with those of the PSCADA system to achieve "dual-system verification" of the equipment status. An alarm is triggered when the information from the two sources is inconsistent.

The EMI Series multi-function meter utilizes an industrial-grade microprocessor as its core, delivering high processing speeds and a modular design that offers flexible configuration and easy functional expansion. Supporting both digital tube and LCD displays, it is widely used in applications requiring electricity consumption and distribution, such as rail transit, commercial buildings, municipal facilities, industrial automation, and residential power systems. The instrument offers exceptional cost-effectiveness and comprises multiple series tailored for diverse application environments.

The controller adopts multiple advanced technologies, including microprocessor technology, sensor technology, and computer systems. It employs high-precision temperature and humidity sensors to measure environmental conditions with high-brightness LED displays for comprehensive control based on operational status. The device is designed for monitoring and regulating temperature and humidity, particularly suitable for online monitoring and automatic heating/dehumidification applications in terminal boxes, high/low-voltage switchgear, transformers, compact substations, circuit breakers, and other equipment requiring protection against moisture, low temperatures, and high temperatures.

The device enables real-time recording of voltage and current waveforms, along with power quality and waveform analysis. Employing synchronous sampling technology, the device achieves simultaneous multi-point, multi-channel data acquisition across distributed locations. It integrates multiple functions, including waveform recording, measurement, monitoring, and communication, supporting applications in distributed recording, synchronous phasor analysis, circuit breaker switching characteristic recording and analysis, power quality recording/analysis, and power grid health monitoring.

The Intelligent Operation Box consists of a coupler, manual control boxes, and a junction box. 

The coupler acts as a data exchange hub between the manual control box and the PLC. It connects to the manual control box via CAN bus and communicates with the PLC using protocols such as Profibus-DP, DeviceNet, or MODBUS-TCP. It forwards control commands from the manual control box to the PLC for execution, or transmits status information of controlled equipment collected by the PLC to the corresponding manual control box. 

The manual operation box comes in two types: two-position and three-position. The two-position control box is used to control standard fans, featuring a "Local/Remote" two-position selector switch, a start button (with indicator light), a stop button (with indicator light), and a fault indicator light. The three-position control box is designed for dual-speed fan control and is further divided into two variants: high-low speed control boxes and forward-reverse control boxes. 

The junction box functions as a CAN bus connector, primarily used to integrate manual control boxes or couplers into the CAN bus network.

The new generation of air valve controller developed by the company is suitable for the subway ventilation control system. It cooperates with the PLC, air valve travel switch, and air valve motor to enable precise opening or closing control of the air valve and improve the safety of the system.

The device is used to implement the inter-tripping function of DC switches between metro traction substations. By replacing traditional copper cables with optical fibers for signal transmission, it resolves issues associated with cable-based transmission systems — including complex design, difficult installation and maintenance, distance limitations, and lack of signal channel monitoring.

The device enables on-site testing of DC traction protection devices and DC transmitters, including accuracy tests, response time tests, and related input/output characteristic curves plotting.

Resin-impregnated paper dry-type bushings feature a resin-impregnated paper capacitor packet as the primary insulation. This packet is formed by alternately winding insulating paper and aluminum foil around a conductive tube (rod) according to design specifications, followed by vacuum impregnation with epoxy resin compound and high-temperature solidification. The capacitor packet is hermetically assembled with porcelain shells (or composite hollow insulators) via connection flanges to complete the bushing. This design achieves truly oil-free operation, and since its invention in 1960, has been widely adopted across Europe, America, and Japan due to its incomparable advantages over oil-impregnated paper capacitor bushings. Our company has comprehensively introduced experienced technical talents and German fully-automated manufacturing equipment, achieving full product series coverage.

Resin-impregnated fiber dry-type bushings utilize a resin-impregnated fiber capacitor packet as the primary insulation. This packet is manufactured through a process where high-insulation glass fibers, pre-impregnated with ultra-low viscosity heat-resistant epoxy resin, are wound in a geodesic pattern via computer-controlled winding equipment to form cross-laminated insulation layers. Semiconductor conformal material constitutes the capacitor screens, with insulation layers and capacitor screens alternately wound in spaced configurations before undergoing high-temperature curing to form a pure solid capacitor packet. The connection flange, fabricated from high-strength aluminum alloy, is integrally bonded with the condenser core. Silicone rubber weather sheds are injection-molded and adhesively bonded onto the condenser core surface, forming an organic unity with the core. Since its invention by our company in 2001, this product has earned acclaim from extensive users for its compact size, lightweight construction, maintenance-free operation, high mechanical strength, and reliable operational safety. Its adoption continues to demonstrate steadily increasing market penetration.

It is used for fixed wiring or mobile laying of power equipment with rated voltages of 450/750V and below.

Voltage levels: 300/300V, 300/500V, 450/750V (i.e. rated voltage 450/750V and below)

Insulating materials: Polyvinyl chloride insulation, cross-linked polyolefin insulation, polyolefin insulation

It is suitable for control, monitoring circuits, and protection lines with rated AC voltage of U0/U 450/750V and below, serving as control wiring between electrical equipment.

Voltage level: 450/750V

Insulation materials: Polyvinyl chloride insulation, cross-linked polyethylene insulation

Suitable for power transmission and distribution cables with power frequency rated voltage from 0.6/1kV to 26/35kV in critical sites, including high-rise buildings, power plants, nuclear power stations, and tunnels. 

Voltage grades: 0.6/1kV, 1.8/3kV, 6/6kV, 6/10kV, 8.7/10kV, 8.7/15kV, 12/20kV, 18/20kV, 18/30kV, 21/35kV, 26/35kV (i.e. rated voltage from 0.6/1kV to 26/35kV) 

Insulating material: Cross-linked polyethylene insulation (XLPE)

Overhead insulated cables are suitable for overhead fixed installation and household lead-in lines.

Voltage level: 1kV, 10kV

Insulation material: Polyvinyl chloride (PVC) insulation, cross-linked polyethylene insulation(XLPE).

It has good performance in preventing rats, termites and resisting ultraviolet rays. The termite prevention test passed the group method level 1 test. The product has been granted a utility model patent and its technology has reached the international leading level. It includes 1500V DC power cables, mainly used in DC power supply systems with a system voltage not exceeding 1500V. It is divided into cross-linked polyethylene insulated and ethylene propylene rubber insulated types. The product has been granted a utility model patent and its technology has reached the international leading level. It is widely used in nearly ten well-known domestic metro lines such as the Knowledge City Branch Line, Line 14 and Line 21 of Guangzhou Metro.

The products are widely used in environments, such as high-rise buildings, hotels, hospitals, airports, rail transit systems, and schools with rated voltages of 0.6/1kV and below. They are mainly suitable for equipment that needs to maintain operation for a certain period of time during a fire, such as emergency power supplies, fire pumps, fire elevators, fire smoke exhaust fans, and emergency evacuation lighting.

EconWorx IoT Cloud Platform is a comprehensive industrial software platform based on B/S architecture, which is designed for monitoring, dispatching, and operation/ maintenance management of electromechanical equipment systems. At the edge layer, EconWorx provides mainstream communication drivers for industrial, power, and IoT applications, enabling efficient and seamless integration with various field control devices. The IaaS layer supports deployment on public clouds, private clouds, and physical servers from multiple vendors. The PaaS layer, centered on the distributed real-time database RdbPlus, combines open-source distributed databases like Hadoop and relational databases to build a robust data middleware platform. The service platform layer, developed on a microservices framework, offers a foundational toolbox for management. The SaaS application layer, platform service APIs can be invoked to rapidly develop various industrial application apps. With EconWorx, users can achieve real-time visual monitoring, production scheduling, energy efficiency control, and predictive maintenance management for wide-area electromechanical systems. 

The platform features high reliability, scalability, availability, and usability, with a strong emphasis on low-code capabilities. Functionally, it focuses on real-time monitoring of IoT devices and electromechanical equipment while also providing modules for full lifecycle device management. Additionally, it continuously explores and optimizes practices in data analysis, digital twin visualization, AR technology, and cloud-based configuration.

The ISCS is a comprehensive supervision and control system based on the urban rail cloud platform, which integrates new-generation information technologies such as the IoT, cloud computing, big data, and BIM visualization. It provides comprehensive intelligent operation and maintenance solutions and services throughout the entire life cycle. The intelligent comprehensive supervision and control system enables intelligent analysis of passenger flow, environment conditions, energy consumption, and equipment stability, achieving intelligent integrated monitoring of more than twenty professional subsystems, including power supply and environmental control. This ensures rapid interconnection and emergency response among systems, enhances overall automation level, operation management level, service quality, and service level of urban rail transit, and builds a fully intelligent metro operation.

The Rail Transit Intelligent Integrated Power Supervision System (PSCADA) is an operation and maintenance-oriented power monitoring system for metro substations. Building upon conventional power monitoring capabilities and integrated with the substation's IEC61850-based networked protection scheme, it enables dynamic visualization of protection coordination virtual terminals, secondary circuits, protection logic, and communication status in real time- achieving full visibility of the secondary system. The system also incorporates advanced application functions essential for operation and maintenance, including protection information management, fault waveform recording, remote maintenance, and intelligent alarm analysis. These features assist maintenance personnel in quickly accessing fault information and locating issues remotely. Clear and visible secondary equipment management not only provides real-time insight into device operational status but also redefines secondary equipment inspection, fault troubleshooting, and repair operations.

The BAS is a system model that adopts computer network technology, automatic control technology and distributed intelligent communication technology to achieve decentralized control and centralized management of equipment monitoring.

It provides comprehensive and effective automated monitoring and management of equipment, including station and tunnel ventilation and air conditioning systems, water supply and drainage systems, escalator and elevator systems, low-voltage power distribution, and lighting systems. The system collects and processes relevant data, archives historical records for maintenance management, and ensures equipment operates in a safe, reliable, efficient, and energy-saving optimal state. While maintaining a universally safe station environment, it achieves energy efficiency optimization.

In emergencies such as train blockages or fire incidents, the system efficiently coordinates station equipment to operate in disaster recovery mode, fully leveraging the emergency functions of various devices to ensure passenger safety and the normal operation of equipment.

The B-PHM system comprehensively collects monitoring parameters, electrical parameters, environmental data, status parameters, video data, factory documentation, and maintenance records from key locations of power supply equipment through online monitoring, system integration, and manual data entry. The system utilizes artificial intelligence algorithms, performs data cleansing on the equipment status parameters, and trains intelligent prediction models. Simultaneously, it forecasts trends for related temperature and vibration data, automatically recognizes video data, and conducts in-depth analysis. By applying intelligent models, the system enables online monitoring of critical components, status assessment, and lifespan prediction for equipment, while also providing tailored maintenance and repair strategies for each device.

The system serves as a regulatory platform for enterprise energy resources, equipped with powerful energy consumption monitoring capabilities. It enables real-time monitoring of energy consumption in each production process, allowing enterprises to track energy consumption dynamics at any time. Through intelligent algorithms, it can quickly identify high energy-consuming equipment and processes, providing a solid foundation for energy-saving renovations. Meanwhile, its intelligent early warning mechanism can detects energy supply anomalies, equipment failure risks, and other issues in advance, effectively preventing production disruptions. The visualization dashboard intuitively displays key information including energy flow and energy consumption trends, facilitating managers easily formulate scientific energy optimization strategies, significantly enhancing energy utilization efficiency, reducing operational costs for enterprises, and promoting green and efficient development.

The IPMS utilizes technologies such as the IoT, cloud platforms, and intelligent operation and maintenance. It collects critical information, including power supply operation data and environmental data, through IoT devices such as meters, sensors, and cameras. The system enables functions including online monitoring, fault alarms, data analysis, energy management, asset management. This significantly enhances the safety and reliability of power distribution room operations while providing users with a novel digital operation and maintenance experience service. It improves operational efficiency, thus reducing costs and increasing benefits for enterprises.

The intelligent operation and maintenance system of B-ECPS high efficiency chiller room of Yangxin company aims to participate in the early design project construction, automatic control scheme, monitoring platform and the whole life cycle of the later operation and maintenance room, deepen the details of specific parts such as equipment selection, design optimization, automatic control optimization, management platform and fault detection, and comprehensively consider the optimization space of the central air conditioning system.

The Waveform Analysis System collects, stores, monitors, analyzes, and calculates information such as current, voltage, and switch status from each bay of the power supply system. It enables fault analysis and localization, phasor analysis, sequence component analysis, power quality analysis, and switch operation characteristics analysis. Waveforms from any bay can be retrieved, viewed, and analyzed in real time. The system adopts a distributed architecture with recording devices installed in each bay to capture waveform data. Data is transmitted via Ethernet to the local back-end or the central system of the grid. The system can retrieve and perform comparative analysis and simultaneous display of waveform records from any bay across different stations. The system also supports: fault analysis and localization across the entire network, dual-ended fault location, as well as comparative analysis and computation of AC/DC waveform data frommultiple stations and different bays.

DC traction switchgear is applicable to 750V / 1500V DC traction power supply system, mainly deployed in heavy rail transit, urban subway, tram and monorail railway. 

Features: Incorporating UK HSS’s Thunderbolt Series DC switchgear and NDC DC circuit breaker technology, and improve the product in combination with China's market characteristics and user requirements. NDC DC circuit breaker uses the patented technology of permanent magnet operating mechanism, standardized and modular design, simple operation, very little maintenance workload, and the product life is more than 30 years, thus reducing the comprehensive cost. 

Voltage level: 750V / 1500V