Answer / k.prakashchandra

In case of twin core the return current is in opposite direction resulting in zero magnetism

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

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sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

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what are the basic insulation levels & what its Unit

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what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

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What is the distance between the EHV lines and also the distance for earth ??

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1 Answers   Exide,

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for any load, what happen if we use the cable rating above its normal rating

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What information we need to prepare relay coordination chart

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During the troubleshooting of an inoperative shunt generator, you found the voltage to be 2+ volts; what is known from this. Is it (1). odds are the armature is good (2). odds are there is no field current flowing in field windings (3). odds are the armature is bad (4). both 1 & 2 are correct (5). both 2 & 3 are correct

2 Answers   Air Force,

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how make to Incident and accident report

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

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How can I calculate the trnaformer effciency at different loading condition?

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