Answer / kumar

yes, protect from shocking

WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?

5 Answers  

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during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

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Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

1 Answers  

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

1 Answers  

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can we coorect P.F. OF 320 KVA ALTERNATOR AT LOCAL SITE WITH RATED .8 PF LAGGING.

1 Answers  

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How much pole motor can be desion for 415 volt ,50 hz.Power supply. in pratical condition . Prakash veer singh

5 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

1 Answers   L&T, WFP,

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why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

6 Answers   Accenture, Bhel, Reliance,

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why ohmas low not sutable to transformer.

1 Answers  

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why inverter rating is in KVA

3 Answers   Alstom, JSW,

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what is meant by fuzzy logic? what is fuzzification and defuzzification?

5 Answers   MEIL, Power Grid,

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I have a 25 KVar capacitor bank at my facility.How to check the capacitor bank ??

2 Answers  

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