Siemens 7SD6105-5BB29-1BA0 Differential Protection Relay Inquiry Item

Details

This Siemens 7SD6105-5BB29-1BA0 belongs to SIPROTEC 7SD61 series line differential protection relay. It is designed for two-terminal transmission lines, overhead lines or power cables. It compares current data from both ends of the line via communication channel to identify internal faults, quickly trip the circuit breaker when short circuit occurs. It also integrates overcurrent protection, fault recording, measurement and communication functions. It supports IEC 61850, Modbus and other communication protocols, widely used in power plant, substation and power distribution network protection system.

Specifications

Model: 7SD6105-5BB29-1BA0 Brand: Siemens Series: SIPROTEC 7SD61 Function: Line differential main protection Auxiliary supply: DC / AC universal Communication: Fiber / Ethernet, IEC61850 Installation: Panel flush mounting Certifications: CE, IEC, KEMA

Components & Troubleshooting

Main CPU board, current sampling board, communication interface module, signal input/output circuit, LCD operation panel, power supply unit. Common faults: differential current abnormal, communication channel interruption, fault recording failure, module power loss.

Disclaimer

This spare part shall be installed, set and commissioned by qualified power protection technicians. Verify CT polarity before commissioning.