why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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why gravels is used in transformer yard?

6 Answers  

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how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

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how to select fuse in any circuit? if with fomula ?and examples also

1 Answers  

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How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

0 Answers  

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what dose the arrow indicate in the symbol of power transformer?

1 Answers  

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tell me about your project

1 Answers  

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Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC

14 Answers   Bhel, Engineers India, Engineers India Limited,

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what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so

3 Answers  

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wat is syncronization . wat parameter will take for syncronization.

2 Answers   IIT,

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How much load with stand the copper cable by sq mm apro..

1 Answers   L&T, Taj Group,

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The coils having selfinductancs 10mh and15mh,effective inductance 40mh when connected in series aiding. what will be the equivalent inductance if we connect them in series opposing?

1 Answers   BSNL,

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