Answer / hardik patel

we want to measur the insulation resistance.for resistance
we have to use a dc voltage.

Answer / k.prakashchandra

To maintain the potential difference continuously

What Happen When output Short of transformer

2 Answers   L&T, Saber Corporation,

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What is contract demand in solar system?

0 Answers  

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10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)

0 Answers   CTS, Jindal,

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If VFD is On but no starting commond on it. so how many outpout voltages of VFD

0 Answers  

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Why computer humming sound occurred in ht transmission line?

0 Answers  

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What causal system?

1 Answers   NTPC,

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

0 Answers   Jindal,

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If not maintained 3 phase clearance,what happened ?

2 Answers  

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How Negative Phase Sequence Relay works in case of Synchronous Motor?

4 Answers   L&T,

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I need to compare the energy consumption of an industrial machine before and after improving. Shall I compare the apparent power or the active power? I know usually factories use compensated capacitors (or other similar components) to compensate the reactive power, so if I use the apparent power, it's not the real power consumed.

2 Answers  

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I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

0 Answers   SECL,

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