working principles of cf lamp,incandescentlamp and f lamp?

0 Answers  

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what is the static device rather than xmer which work on same principle as xmer?

18 Answers   NTPC, Power Grid,

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how many testing is necessary for 27 MVA transformer?

1 Answers  

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In 11kv transmission line whats the maximum power can be drawn?

1 Answers   Concast, Prestige,

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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is it possible to have dc motors on single chip

0 Answers  

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transformer test

4 Answers  

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what is derating?, why it is neccesary, it is same for all means for drives, motors,and cables.

1 Answers  

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Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

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why we use copper earthing for neutral while for body GI.

1 Answers   Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

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hi friends iam collecting details about motor,generator & transformer so send some web links to about motor,generator & transformer ,please help me .i need your help.thank u

4 Answers  

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How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

0 Answers  

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