Answer Posted / deepak nain

Transformer is a static device, which is uesd for setup and
step down the voltage without changing frequency.It works
on the principle of Electro Magnetic Induction.

how we will deside the high voltage value

1987

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What are the electrical engineer roles and responsibilities in chemical plant?

1684

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2522

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Why collecting electrode of ESP to be earthed

2152

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(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

2184

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Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

2032

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How will change the frequency in distribution side?

1792

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during installation time of transformer and alternator which points we have to observed?

1950

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why do we carry out winding resistance test?

2285

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At what factor resistance r of a conductor depends?

1120

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2079

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The series field winding has low resistance while the shunt field winding has high resistance. Why?

1725

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What happen if 200 KVAR capacitor connected to power continuesly?

2125

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what are the installation procedure of high voltage power transformer,CT,CB&PT?

2077

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how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

2094

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