why substation are rated like 11KV or 33KV?
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Answer / selvin
the protection devices and loads are operating level based
design purpose
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What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.
How earthing/grounding done in aeroplanes and ships.
hai every bodi please let me know the test procedure for lightning arresters.
what is meant by unity power factor?unity means one why dont call 2,3,4......?
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What will hapen if we connect more capacitors than required for powerfactor control? Exactly what will be the effect on power system?
What are the loading factors to be considered for transformer sizing/selection?
1. What is differential relay? How it operates?
What determines the thickness of the lamination or stamping?
what is protections used for 6.6kv ht motor
what percent do you derate your copper wire when you change from copper buss to copper wire
can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?