Answer Posted / u.v.subhashreddy

alternator is an speeed machine. the dc current gives
exication current is given to produce a magnetic field so
giving d.c supply to field of an alternator.

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1511

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Define branch?

1154

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What is meant by RVT and NDR ? expansion and details of it

3110

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What are m circles?

1172

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What is meant by a stray loss of a induction motor??? What is the equation to find it

3149

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i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

2027

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

2436

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why use phase displacement in transformer.and effect of phase displacement on transformer

2915

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Where servomechanism is used?

1166

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How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

2560

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difrent between vcb acb sf6 and mccb breakers

5540

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How many kinds of E.L.C.B and how to work E.L.C.B

2095

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Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1901

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2486

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how is calculated the quantity of weight in hot test xlpe?

2557

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