How the surge voltage can be arrested in electronic devices

1 Answers  

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why rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?

3 Answers   Anglo Platinum, TATA,

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in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 Answers   APTransco,

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To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 Answers  

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Why temperature rise is conducted in bus bars and isolators?

0 Answers  

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What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2 Answers  

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What is the effect of impedance on the heat losses in case of AC system??? Does heat losses really depends on the impedance or depends only on resistive component only..??

4 Answers  

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Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.

1 Answers  

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before synchronizing an alternator,power factor is leading ,why?

0 Answers   CUMI,

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what is a DLC?[just dont reply its a Dual loop controller!] Plz do Explain the advantage of DLC over PLC?

3 Answers   Essae,

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what you mean by vector group of a 3 ph transformer

1 Answers  

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How can we reduce the reactive power consumption of your 12.5 MVA power transformer.

4 Answers  

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