Answer Posted / mani

Harmonics is the unwanted noise in the electrical supply
and it resulted heating of the electrical equipments and
power losses also can happen.

How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

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what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

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Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

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which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

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why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

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How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

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71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

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Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.

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Explain what is use of lockout relay in ht voltage?

1030

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What is Phase margin?

1052

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How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

3004

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why the neutral point in connnection oscillates?

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what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

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how does an encoder work???

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what is meant by tranformer impedance?

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