What is the difference between Isolator annd Circuit Breaker.

21 Answers   ABB, Lanco, NTPC, Power Grid, RInfra,

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how many electricity poles are there and what are the names and their sizes.

0 Answers  

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how to calculate singlephase motor efficiency?

0 Answers   Alstom,

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what will happen at the time of CT saturation?and what will be the Relay's function at the time of CT saturation?

2 Answers  

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why all selected supply voltages are multiple of 11.i.e440,11 kv,33 kv,66 kv,110 kv etc

6 Answers   Suzlon, TCS,

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What is Tachometer used to measure?

0 Answers   Blue Star,

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

0 Answers  

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hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

1 Answers   Bhel,

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What is Long rod insulator and it's applications..? merits over the disc insulator ..?

0 Answers  

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is there any difference between protection C.T and measuring C.T?if yes then what is the difference?

4 Answers   BARC, Century Rayon,

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

0 Answers  

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Why a transformer is known as a static device?

7 Answers  

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