Answer Posted / anil

there is no thumb rule for calculating the cable rating. if
we know the total load and calculate the system current
required. then check the rating in chart and select the
cable accordingly.

what is transient voltage?

2231

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Single line diagram for dbb (double bus bar)system.

1932

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how does commutator convert a.c to d.c?

2189

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induction 3 phase motor terminal connection

2644

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State the types of distortions in amplifier?

1189

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What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2748

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What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2632

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

1873

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3800

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what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

18429

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Why the power factor improvement is so important in industrial loads

2023

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ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6302

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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

1908

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why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1842

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What is the difference between PLC and Embeded system

1421

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