Answer / marques, joão

The heating time constant is the time required for a
electric motor to attain 63.2% of it's final temperature
for a fixed power input.

Answer / shyams

It is the time required for the electric motor to attain 63.2% of the maximum temperature reached by that electric motor

Answer / adeel

It is the time required for the homogeneous thermal model of an electric motor to attain 63.2% of the steady state temperature for a fixed input and fixed load torque.

Hi Friends pls give information regarding BARC written test. am attending by 20-5-2008. mail me to kkumarei@gmail.com or message to 9962122264

2 Answers   BARC,

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wat s reactive power.... how could it be compensated.....

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WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?

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I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

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what do u mean by knee point voltage?

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why the power factor is low at no load?

1 Answers  

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Why we use mho Relay in long transmission line?

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The moisture in air will condense at

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I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.

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At what factor resistance r of a conductor depends?

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how to reduce the transformer size in ups ?

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Is Transol transformer oil comparable to nynas nytro libra?

0 Answers  

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