what is PI value and its significance for insulation testing?

3 Answers  

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-What is leakage current . how much leakage current is allowed.

3 Answers  

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Why is the starting current high in dc motor?

0 Answers  

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Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

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What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

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what is Touch and Step voltages

1 Answers   Pinnacle,

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Frequency in the control system represents? Continuous system in time domain ? In frequency domain?

1 Answers   CCP,

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what types of fault occurred in transmission line ? which protection function senses the fault?

1 Answers  

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in our transmisison sub station why we step down firstly 132kv\33kv then 33kv to 11kv. can we direct step down 132kv to 11kv.

2 Answers  

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while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 Answers  

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What are HT & LT Cables? What are their values?

3 Answers   IOCL,

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