What is the correct procedure to shutdown VCB in 11kv
substation.safety and work procedure
Answers were Sorted based on User's Feedback
Answer / balaji
1. Preparation (Permit to work)
2. Separation (Trip the Breaker)
3. Isolation (Isolator isolates)
4. Earthing & Short circuit (Earthing)
5. Screening & Marking the area (Barricading the work area)
Is This Answer Correct ? | 11 Yes | 2 No |
Answer / manzoor hussain
1)First need to obtain isolation permit(work permit)
2)Confirm substation no., breaker no.
3)Inform to control engineer
4)Transfer the load from LV side
5)First need to trip the vcb(electrically or manually)
6)Disconnect DS switch (isolator)
7)Need to close the earth switch (ES)
Is This Answer Correct ? | 0 Yes | 0 No |
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