single phase 230v three phase voltage 415volt why we aren't used line voltage 690v?

7 Answers   Citec,

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why transformer core is eathed?

7 Answers   ECE,

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What is meant rectifiers..

1 Answers   MTS,

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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what material is the electrical housing wire made of? is there any difference for the telephone lines?

0 Answers  

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how i caculate the cable size for power factor correction unit for example 300kvar

1 Answers  

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what are the various parts of airconditioning system used in train and its working

1 Answers  

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Where should the lighting arrestor be placed in distribution lines?

0 Answers  

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Do you know how to maintain a generator, if so what are those maintenances?

4 Answers  

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if 20 hp motor starts directly delta connection.motor what will be the effect.

3 Answers   HP,

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Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

0 Answers  

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want to know about DMRC

4 Answers  

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