During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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In dc ckt. 24v or 110v, which one is more efficient and why?

0 Answers  

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What is HT? And specify the range of voltage?

5 Answers   HSL,

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Tell me about ur past electrical maintanence job

0 Answers   Apollo Power, Solar,

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what happens when the transformer is connected to DC supply?

4 Answers  

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What is meant by transformer, why it should be used, with out that equipment what happens if we transformed the supply?

12 Answers   Bhel,

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why the motor is rated as kw& transformer as kva

7 Answers   Areva,

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what is ATS?and its function or operation in power system with its layout.

1 Answers   DLF,

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WHATS THE NEED OF CT INPUTFOR AN VAPM TYPE METERING PT FUSE FAILURE RELAY

1 Answers  

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In India why is the supply frequency 50hz? I need a particular answer for it..

3 Answers  

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DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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