Answer Posted / kumar

generator is mechanical energy to convert electrical energy
using alternetor

Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

2331

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Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1867

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As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1643

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Why the efficiency of generator is more than motor in swinburne's test

1989

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What types of question are done for diploma students in aptitude test

1604

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A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1746

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Why in ESP Positive earthed

3048

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sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

1986

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What Should be the value of Vector Surge angle at Tripping and how to calculate it?

2031

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1976

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2706

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draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups 

2361

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What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3550

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what is a vector protection in transformer

1983

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how to calculate current and voltage in a same circuit?

2174

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