What is the concept of voltage & current its relation?

5 Answers  

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What is the material used for the core of a high freiquency transformer?

3 Answers   Videocon,

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how to calculate a cable size while load is given in amp or kw and length is also define.?

1 Answers  

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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

1 Answers   L&T,

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Purpose of lighting transformer.

2 Answers  

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Is RTCC panel needs any control supply.

0 Answers   HPCL, Schneider,

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what is meant by power factor ?

17 Answers   Harita, Pricol,

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what is the concept of star delta starter?

7 Answers  

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wha tis the ac motor used for traction system

4 Answers  

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what is the difference betwteen overcurrent and short circuit fault?

3 Answers  

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define transformer

1 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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