Answer / sheikh

Yes . IGBT switching response is better.

Answer / sanjna

YES, WE CAN USED.....
IN ALL AC TO DC CONVERTING DEVICES IGBT IS USED.

why field winding in synchronous machine connecting in star position?

1 Answers   HCL,

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what is the aircraft voltage and frequency standard ?

1 Answers   Jet Airways,

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can any tell me how to do wiring connection in L&T 3ph 4wire E301 CT operated energy meter, what is P1,P2,P3,P0. M1,M2,M3, L1,L2,L3.

2 Answers   Bhartiya International,

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What is the armature mmf in a D.C machine?

0 Answers   HPCL,

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How to set the relay,,??

0 Answers   Megatron Solutions, Nestle,

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PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

0 Answers  

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I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

0 Answers  

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If the secondary winding will be open in current transformer, how to damage the insulators

2 Answers   TPDDL,

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Which Class insulation is prefered for the sandwich Busducts ? Why?

0 Answers  

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1.How to calculate backup time from series connected battery of 12v dc with 26Ah for 2battery?

3 Answers  

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Difference Between Differential Relay and Restricted Earth Fault Relay of Power Transformers

1 Answers   KSEB,

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