Answer Posted / mahavir jagdev

Read the book THEORY & DESIGN OF ELECTRICAL MACHINES by M.G. SAY .... all your querries will be cleared.

And if you can solve all the numericals of the book G.PARKER SMITH .... there be no unanswered question on electrical engineering left in your mind

What is touch potential and step potential?

2236

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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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can u give me a brief idea about power line carrier communication ??

1902

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in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1923

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Define availability (operational)?

1211

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how many joints are allowed in underground HT cable of 1 KM

1923

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please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

2345

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i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

2017

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how to decide no of electrodes for 1600A LT Main incomer panel

1704

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

1862

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Why field rheostat is kept in minimum position?

1322

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Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

1204

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should %impedance be high or low in a power transformer? if so why?

1998

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

2374

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Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

2301

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