Answer Posted / guest

When DC is supplied to a transformer the windings in the transformer will make it a electro magnet. There will be no
effect on the secondary but when the supply is interrupted a
voltage will be induced in the secondary.

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

2104

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How to set a Zone 1 distance relay for distribution feeder?

1959

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sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....

1984

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How to setting the volume of RTCC panel AVR (11kv) controller

1546

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why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

1762

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2140

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What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

1979

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what id a dry type transformers and its function ?

1715

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Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

1198

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what is electrical machines

3603

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What is the polarization index value ? (Pi value)and simple definition of polarization index ?

1145

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

2045

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what is the relative size of single and three phase?

1833

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why we change the direction of winding in rotor ?how we make the north and south pole?

1990

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how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

3278

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