Answer / marimuthu

1)if we given dc supply to ac motors there will not any induced EMF in rotor unit so there only available magnetic field not rotating magnetic field if we continues given that winding will damage..
2)if we given AC to DC motors armature and stator magnetic got to magnet lock.. so there is create rotational torque

We've 2 diffrent DG's with same capacity (500 KVA). Can we sync them ?

1 Answers  

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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how to prepare PPM schudule

3 Answers   TATA,

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what is meant by tranformer impedance?

0 Answers   Synergy,

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

0 Answers  

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,

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why do we not use equivalent voltage source in negative sequence equivalent ckt.

0 Answers   TATA,

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what is different between neutral and earth?

4 Answers  

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Why underground cables are used to connect transformers?In addition how are they again connected to lines after step up or step down?

1 Answers  

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how megger step up the DC voltage

1 Answers   Voltech,

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in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

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