Answer / subbiah

i think DC motors can use where variable speed required and DC motors normally using at low voltages.....

What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

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what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

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Why Human body feel Electric shock ?? n in an Electric train during running , We didnt feel any Shock ? why

13 Answers   Lovely Professional University, NTPC,

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The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

3 Answers   MPSC,

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What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 Answers  

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7. Why AC motors, AC bulbs etc... are donot operated by DC signals? and Why DC motors, DC bulbs etc... are donot operated by AC signals?

2 Answers   Bhel,

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what happen when generator neutral supply and transformer neutral supply linked

3 Answers  

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power transmission pole used one support , that only for support or earthing

0 Answers  

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What is the purpose of stablization resistor in high impedance bus bar protection

0 Answers   Jindal,

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I would like to install the largest KW alternator to a 200 amp aluminum bus box in my home. Is it possible to install a 250 KW 400v 251amp synchronous alternator to my home?

2 Answers  

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Why the transformers are rated in KVA. ? in new view.

2 Answers  

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grr resistance & contrator malt continuous

0 Answers   Pioneer Labs,

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