Hello,
In a 33kV/11kV substation, we use SIEMENS Protection relay 7UT612 for Transformer differential and restricted earth fault protection. How can we test the restricted earth fault to know that the relay is responding or not.
Any information regarding testing procedure for Transformers...
Hello,
Is it acceptabile to lay substation grounding mesh cupper conductor over a lean concrete of the foundation of cable trench in some places, knowing that the conductor will touch bars and there will be another layer of concrete over the conductor. Dose the cupper conductor get chemical...