Answer / anurag shukla

operating in star mode

Answer / parekh viraj

operating in delta mode

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

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Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

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Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

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The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is

0 Answers   Caterpillar,

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Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.

1 Answers  

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While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

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The coils having selfinductancs 10mh and15mh,effective inductance 40mh when connected in series aiding. what will be the equivalent inductance if we connect them in series opposing?

1 Answers   BSNL,

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If carbon brushes spring tension either loose or tight, what happen on Motor performance During Full load Operation?

5 Answers   Electrex, HP, TATA,

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distribution is maximum done by a)radial b)network c) parallel d)b & c

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why we using capacitor in single phase motor ?

14 Answers  

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