Answer / raghavendra

For higher value of resistence measurmrnt megger will be used, but it will not give exact digits when it is micro resistences (during short circuit period)

Do you need any help with FEWA Electrical Supervisor exams?

0 Answers  

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why ups rated in kva

1 Answers   MRF,

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In a Dyn11 transformer, how are the 3 windings of the delta connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3 windings on the HV side.

3 Answers  

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what is the difference between induction and synchronous motor?explain in simple words?why 3 phase motor is given preference over single phase motor.

10 Answers  

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How to calculat the size of copper& aluminium wire ?

5 Answers   Hindalco, IOCL,

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What is the difference between MPCB and OLR?

11 Answers   ABB, Raj Agencies,

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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What is creepage distance..... what will be the value for different voltage level

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dielectric strength of vacuum is greater than SF6 but for 132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such a contradiction?

2 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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Define super node?

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If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????

1 Answers  

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why the transformer was not rotating like a motor?

5 Answers   TATA,

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