how to identify the failer of igbt

0 Answers  

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What is the high tension lines voltage and low tension lines voltage?33 kv is high tension line or low tension.

1 Answers   MPSEB,

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Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

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R u say ,that is there is any flux in your room.

1 Answers  

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Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

0 Answers  

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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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the problem faced on star or delta winding connection??

0 Answers  

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What is the use for cable entry in control room?

0 Answers  

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what is buffer resistance starter.?.What is the working principle and where it is used..?

0 Answers  

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what is the function of LBB relay

9 Answers  

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Why current transformers are rated in BURDEN instead of VA?

4 Answers   Bhel,

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Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.

5 Answers   amps, DLF,

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