what diferent amoung three phase supply?

1 Answers  

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how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

4 Answers   Areva, KPTCL,

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In Railway,why we are used HT Line 25KV ?.why we are not used 11KV,33KV and others for This?

37 Answers   Airtel, BSNL, RRB,

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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how much the voltage & resistance should be ,between earth & neutral points.?& why?

6 Answers  

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i have 3500 amp load and select current transformer and perches.how i calculate .please understand

0 Answers  

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how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

0 Answers  

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In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 Answers  

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what is stper motor.what is its uses

9 Answers   Bhel, HCL,

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In A.C systems, fuse is placed in phase-in order to disconnect the circuit during faulty condition. But, what is the reason for putting "LINK" in neutral istead of connecting through (same) wire.

3 Answers  

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george phenomenon of synchronous machine

0 Answers   JU,

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What is inrush current?

0 Answers  

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