Answer Posted / mani

We have to interchange either starting winding connection
or running winding connection.But not both.

how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

960

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How to know vacuum in vacuum cylinder of breaker in working condition

1493

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what is the difference between 2 way and 4 pole selector switch???

1867

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1648

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state the working principle of incondenscent tube?

1519

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when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1376

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what will happens if one phase is missing for 33/11kv power transfomer and why?

2189

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2038

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how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1040

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why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

1514

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If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

1830

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Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

1463

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How is the percentage impedence of a transformer fixed at design stage???

1496

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Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss

2837

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EXPLAIN THE TRANSFORMER MAINTENANCE?

1791

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