Answer Posted / ranjan

Brake test , regenerative test , running down test are cönducted for generator.

Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

2465

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

1638

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draw the block diagram of fire alarm?

4982

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hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds

1607

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Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

2991

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EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1388

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CBCT selection

1792

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given data are load current & power factor cable core size? plz any one update the calculation formula

1386

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What is a dominant pole?

676

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How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

1859

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WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3520

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I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

1692

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If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1458

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How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

1362

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What is the drawback of class b amplifier?

639

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