deepak jha


{ City } kolkata
< Country > india
* Profession * engineer
User No # 72402
Total Questions Posted # 0
Total Answers Posted # 2

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Questions / { deepak jha }
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Answers / { deepak jha }

Question { Al Ahleia, 14386 }

why VCB are not used in 132KV system(above 33KV system)


Answer

Degree of Vacuum required for quenching of ARC at 132 kV
level system fault is very high and its very difficult to
maintain that much degree of Vacuum so don't use VCB in 132
kV level. we generally used SF6 for this purpose.

Is This Answer Correct ?    4 Yes 0 No

Question { 3237 }

1.how to calculate energy units in our home at singe phase,
2.415V,63A wiring what will use thickness of wire


Answer

1. Power Consumption Calculate in Home is
V X I X Power Factor

2. For 415V , 63 Amp. Copper cable size 3.5C X 16 sqmm.
Aluminum Cable Size 3.5C X 35 sqmm.

Is This Answer Correct ?    4 Yes 2 No