how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?

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Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

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what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

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how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

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In D O l starter motor starts as a star connected ,then in star delta starter also motor initially starts as star how come star delta is preferred from dol

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advantages & Disadvantages of Solar power system?

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what is the difference between an alternator and a synchronous motor

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difference between semiconductor & conductor & insulator?

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Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

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ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

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critically criticize the application of ring main unit in power system

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