Answer Posted / shekhar

syn. generator is not self starting in it the rotor runs at
syn speed=120*f/p damper winding or pony motors are used to
start.
while asyn. gen is nothing but ur induction motor at
supersynchronous speed(above syn speed) it is self starting

What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

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how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

2116

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state basic meaning of 'INDUSTIAL AUTOMATION'?

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how to test the electrical panel.ht lt mcc pcc.

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75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

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What is the difference between the impedance percent and impedance voltage ?

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How grounding is different than earthings?

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How to test the Secure Elite 440 Multi function meter working condition.

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sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

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what is the difference between earthing and unearth

3099

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What is the method to solve circuit using source transformation?

1153

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State and define norton’s theorem?

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do we use links in a dc circuit?if so what s its use in it?

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how pt is using

1955

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

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