Answer Posted / roushan.eee

MVA OR KVA; WE USE FOR ELECTRICAL O/P.
MW OR KW; WE USE FOR MECHANICAL O/P.

how to calculate the earth fault current

2461

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what is mean by dual digital protection in the relay field?

1882

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

4323

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how to calculate the tarriff for an industry whose kva demand is 10 mva

1921

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hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

1832

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2691

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in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

1845

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List few applications of d.c series motor?

1087

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Refernce currents are to be generated using refernce cueernts how can this be done??

1952

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How does the phase sequence controller works, how it identifies the phases? confirm working principle

2042

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i want to know about torque of slip ring induction motor

2083

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IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

2092

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What is the drawback of class b amplifier? How is this minimized?

1074

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what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

1551

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What are the main faults of DC generators?

2910

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