Answer Posted / rajneesh

21 amp

what irequirment need to be followed when working on live equipment

1848

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Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1816

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I WANT BHEL PREVIOUS QUESTION

2425

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An automatic water heater is an example of which type of control system?

1224

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can u tell me the promotion from oiller to enginer

1988

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What is the drawback of class b amplifier?

1226

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How isolater function when installed inelectrical 440V wiring

2291

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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

2028

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while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2950

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If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????

1915

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1898

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how to calculate energy of 3-phase motor?

2158

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what is laser diodes?

1212

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700KW 6.6KV slip ring induction motor to use VFD to control the speed

3250

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What is a differential amplifier? Also, explain cmrr.

1422

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