state application of relay in transmission line?

4 Answers  

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how to design domestic earthing pit and earthing wiring?

1 Answers  

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what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

0 Answers   Honeywell,

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why we use taping of transformer on HT side?

4 Answers  

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 Answers  

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how the earhing is done on ship and airplane.

2 Answers  

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why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

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In a 11KV 3phase system do you need to earth both sides of the cable?

2 Answers  

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Why is the starting current high in a DC motor?

2 Answers  

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why HT wire making noise?

3 Answers  

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Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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