Comprehensive testing differential protection of transmission lines

Comprehensive testing differential protection of transmission lines


The technical policy of PJSC Rosseti and PJSC FGC UES provides for the protection of cable, overhead and cable-overhead power lines with a voltage of 110 kV and higher, the use of primary and backup protection in order to increase the reliability of the functioning of the power system.

The quality of operation of the main line protections is checked by a comprehensive test - qualified tests of all system components after commissioning. Unfortunately, there is still no approved full-fledged methodology for conducting a comprehensive inspection, taking into account the specifics of building a communication network at sites.

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