what is the meaning of neutral displacement ???

0 Answers  

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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what are different type of triping equipmen like MCB,MCCB and their differences

3 Answers   ABB, Schneider, UPPCL,

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what is the maximim current drawn by 1 phase and three phase welding machine

0 Answers  

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how to select earthing conductor size of amy motor/panel etc.

1 Answers   Sony, VBB,

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Why can not you store AC power in battery like DC power?

1 Answers   NTPC,

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What is difference between insulating medium and fault current interruption medium in a switching device.

0 Answers  

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What core magnetic balance test of transformer? How to do this test in a three phase Star star (star-LV, star-HV) transformer? How to measure and where to measure?

1 Answers   Alstom,

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what is the difference between id fans and fd fans

12 Answers   Perkins Thermal Systems,

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what are the materials used in HRC fuse

3 Answers   Bhel,

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as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

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