DC SWITCH INTERTRIPPING

Overview

The Bilateral Intertripping Device is designed to implement the inter-tripping function of DC switches between metro traction substations. By using optical fibers instead of traditional copper cables for signal transmission, the device improves transmission reliability, simplifies system deployment, and supports safer operation of DC traction power supply systems.

Signal transmission features include optical fiber transmission, copper cable replacement, long-distance signal transmission, reliable signal transmission, and signal channel monitoring.

Core functions include DC switch intertripping, bilateral intertripping, inter-substation signal transmission, protection signal transmission, and DC protection coordination.

System advantages include simplified system design, easier installation, easier maintenance, reduced distance limitations, and improved channel visibility.

Key benefits include reliable DC switch protection, safer traction power operation, improved transmission reliability, reduced installation complexity, and enhanced protection coordination.

Applications

Metro Traction Substations Urban Rail Transit DC Traction Power Supply DC Switch Protection Inter-Substation Protection

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