what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

0 Answers  

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How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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How shall i select the value of capacitor or inductor in a system?

0 Answers  

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What is installed in PAC that is control the humidity

0 Answers   Sodexo,

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When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers  

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Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

0 Answers  

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What is the difference between security constraint unit commitment and security constraint optimal power flow?

0 Answers   College School Exams Tests,

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11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

10 Answers   Pfizer,

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why a fan starts rotating in the reverse direction when condenser gets damaged?

1 Answers  

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what is 11kv cable

1 Answers   bscpl,

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What is the impedence of Transformer?

2 Answers  

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