Answer / kj

field-effect transistor

why needtwo winding LV and HV in transformer?

1 Answers   Organic Industries,

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what isthe emf eqation of a transformer

7 Answers  

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different between grounding & earthing?

23 Answers   L&T,

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how to work current transformer and potential transformer

1 Answers   Adhunik,

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why the check zone and main zone are used for Busbar Protn. scheem?

0 Answers  

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how to check regenerative load in drived motor

0 Answers   Hindustan Unilever Limited, NHPC,

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In my 3 phase 4 wire electrical system N to earth voltage is 0.08 is it ok What is standard for it ?

1 Answers   Kay Bee,

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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What is the effect of using an underrated size cable to supply electrical power to a 3 phase ac electrical motor? What is the effect of using an overrated size cable for the same motor?

1 Answers  

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What is the work of IGBT in ups?

2 Answers  

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how we can improve P.F. by using capacitors ?

22 Answers  

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what is insulation percentage of motor 3 phase and singlephase

1 Answers   Infotech,

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