why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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what is differnce btwen lll and lllg faults

0 Answers  

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On a 10 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 65 AH). What Shall be the current rating of DC MCB ?

6 Answers   RR, TNEB Tamil Nadu Electricity Board,

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what is the function of choke and starter in a tube light?

2 Answers  

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How much area is covered by a single lightning arrestor to protect object from lightning strokes ?

1 Answers  

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What is the difference between RCD & RCCB, Where it can be used

3 Answers  

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how to find transformation ratio of squirrel cage induction motor

0 Answers   BITM, WER,

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Hello sir i m student of gtu .what is idp.

0 Answers  

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How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

0 Answers  

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What happens if fuse is connected to neutral wire

9 Answers   HAL,

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What do you mean by ACB and VCB?

3 Answers   L&T,

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why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

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