define frequency ?

14 Answers   KPTCL,

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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1.type of oil in used in transformer.

9 Answers  

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why abcd parameters are called as transmission parameter?

1 Answers   Accenture,

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SUPPOSE A CIRCUIT BREAKER HAS TRIPPED THE THE LINE WHEN A FAULT OCCUR ON IT.NOW WHEN THE FAULT HAS BEEN CLEARED, HOW THE CIRCUIT BREAKER WILL CLOSE AUTOMATICALLY NOT MANUALLY.

6 Answers   Bureau of Energy Efficiency, DVC,

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How i measured Bus bars weight without wighting ?

3 Answers   Encom,

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What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

0 Answers  

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which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

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how we calculate the short circuit capacity of the busbar in LV & HT?

0 Answers  

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can anyone plz tell me in 3 phase induction motor, whare we use STAR CONNECTED MOTOR and whare we use DELTA CONNECTED MOTOR

3 Answers  

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how do we know the LT or HT panel trip by some broblem which indication willshow

2 Answers   TATA,

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What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

2 Answers   DEWA, TATA,

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