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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we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

0 Answers  

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what is ASCR cable and where we use it?

6 Answers   BSL,

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why are we using resistor in NGR ?

1 Answers  

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what is the difference between LPF and UPF wattmeter and where it is used.

7 Answers  

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what are the oils used in transformers cooling? n which type transformer is used in power systems?

1 Answers  

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Dear All, If we have 8No. 11kV cables running underground that are required to supply 20MW to a new development. What is the sustained current in Amps? Please advise.

1 Answers  

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What is the Minimum winding resistance of motors ( small & big)? referance range

0 Answers   TATA,

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why capacitor rating measure in KVAR. ?

2 Answers  

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I have CNC Turning lathe,while doing electrical preventive maintenance what should I do & please brief me plan & shedule for the same.

1 Answers   DRJ ARDE,

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

0 Answers  

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for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

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