Answer / lipika

1.differential protection or merz price protection
2.modern differential protection
3.stator interturn protection

Answer / km

when the protection trip is operated and the has not open
for less than a one second or depend upon our setting it
will gives an alarm.

what is IP55,IP65

4 Answers  

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what is boucholz relay and the significance of it in to the transformer?

2 Answers  

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a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

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what do you mean by star point.its importance in ct & pt

2 Answers  

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how to use single phase supply for a three phase equipement.

12 Answers  

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

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What is meant by inverse definite mean time (IDMT)& definitemean time (DMT)?

5 Answers  

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in an ac series circuit there are 30 bulbs are connected in a serial set.what will happen if one bulb is fused and we removed the bulb and reconnect with the remaining bulbs? (29 bulbs). will the brightness of other bulbs increase or not?

3 Answers  

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when we start the tube light, then it takes initially 1100 volt, after glow it takes 120 volt?(when we give 220 volt a.c.)

3 Answers  

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How much CTs are required to measure th curent in DOL starting of motor?PLs explain.

1 Answers  

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which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

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what is the best method of grounding in 30 MW generator?

0 Answers  

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