Answer / rakesh kumar

believe me though extensive but u cant get a better book
for any topic of power system than jb gupta

Answer / hm

" SWITCHGEAR PROTECTION AND POWER SYSTEM " by SUNIL S. RAO

What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

0 Answers   BFL,

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which relay is better , instantaneous or IDMT relay .

2 Answers  

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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what are the disadvantages of low power factor

0 Answers   HMK,

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What is diference between ELCB & ELMCB?Also how its application for use in design area?

2 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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what is kvarh? Please define it With calculation General motors ?

0 Answers  

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Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

0 Answers  

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what is the purpose of commutator in DC motor?

3 Answers  

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what is back emf?

4 Answers   Bhel,

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why there is a phase difference between line voltage & phase voltage ?

4 Answers  

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In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers  

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