Answer / rajesh

THE ONLY THING COMMON TO ALL 3 OF THE MACHINE IS TRANSFORMER ACTION . CONSTRUCTION WISE ALL ARE DIFFERENT .

ALL REQUIRE MUTUAL COUPLING BETWEEN EITHER
PRIMARY /SECONDARY COILS
STATOR/ROTOR COILS

Dyn1 transformer vector group testing how to do

0 Answers  

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How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

0 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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What happens to an electric motor if it has poor or no ventilation. Will it burn out? If it will, how long it will run before it burn out?

5 Answers   GMC,

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

0 Answers  

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what is meant by MCB and MCCB? and what its full form?

7 Answers   Bajaj, JHM Hotels,

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers   ABB, HPCL,

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what is basic difference betmeen normal & flame proof motor??

0 Answers  

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two 100W/230V bulb are connected in series. what would be the voltage drop across 1 bulb

6 Answers  

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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what is the min and max dc voltage for a dc system (110vdc)

1 Answers   ASD Lab,

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