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What is SIPROTEC 7SD61 Differential Relay Guide about?

The document describes the Siemens 7SD61 differential protection relay, which provides differential protection for power lines and cables at all voltage levels. It has two independent differential protection stages, one for high-resistance faults and one for high-current faults. Additional protection functions include overcurrent protection, under/overvoltage protection, breaker failure protection, and auto-reclosing. The relay uses fiber-optic cables or other communication methods to connect the two line e

Author

sandeepmalik22

Language

EN