Answer / manish

underrated size cable are mallet because over load current but overrated size cable are safe in 3 phase ac electrical motor.

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

0 Answers  

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THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS

7 Answers   Chartered Accountant,

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Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

0 Answers   ONGC,

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how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

0 Answers  

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Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

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How to parallel a alternator without using synchro scope or lamp methods

1 Answers   Ofer,

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

0 Answers  

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If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

2 Answers   HP,

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what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

0 Answers  

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what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

2 Answers   Electrotherm,

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I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.

4 Answers  

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What is the difference between diode and a transistor in terms of the direction of current flow?

0 Answers  

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