Answer Posted / sagarika dash

An integrated course in Electrical Engineering J.B.GUPTA

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1880

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

2059

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DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

5169

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1364

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2088

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state the working of discharge lamp?

1946

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how could we calculate the no of outgoings from a 800 watt distribution board

1743

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what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

2033

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hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

1969

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what is the use of Auto re-closer?

2079

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What is the maximum percentage voltage drop (vd%)for a motor control center

1963

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Why mostly the HV side of transformer has Delta?

3155

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(1)Can earth and be conected together (2) what is the diferent between earth & neutral

1740

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What is making & breaking current ???

1452

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When we need up only in o/p 440v, so why we use directly in 11kva in input?

1632

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