gd eve frndz my qstn is how convert sound energy to electrical energy

1 Answers   HCL,

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why using eleven's multiple for substations?

2 Answers  

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Instead of single phase(220), if apply Phase to phase supply (eg: for lighting fixture). what will be the power formula? what will be the volt and current value? please explain me with some example.

1 Answers  

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

0 Answers   Vatika,

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Is only insulation the difference between High voltage and Medium voltage cable?

1 Answers  

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what gas is present in incandescent and florescent bulbs

4 Answers  

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Why should The rating of 11 kV DO Fuse is in mulyiple of hundred(200 Amp. 40 Amp, etc) Ampere wheareses the its fuse elemnt has rating in just few Amp (< 12 Amp)? ( Is it jusy beacuse of factor of safty).

1 Answers  

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1.how many types of relays? 2.difference between ATS& STS?

0 Answers   L&T,

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Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 Answers  

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why three phase capacitor takes unbalanced current in capacitor bank?

0 Answers   Aggreko,

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What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  

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i want the formula of total eletical knowledgement

1 Answers  

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