why we are using in reverse power relay in generator singranizing

1 Answers   Dalkia,

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how pt is using

0 Answers  

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. What should be the minimum and maximum ohmic value for earthing?

1 Answers  

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Can the same motor be operated in both direction ?

12 Answers  

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how we can save the power ? suppose the electricity board gives 11 kw , but the machine require only 8 kw means how we can save the exese energy

2 Answers  

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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why neutral can not used in three phase motor connection?

1 Answers   HSL,

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why maintenance batteries used in DG sets not in MAintenance free Batteries.

4 Answers  

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What is a LBB protection and why it is used?

2 Answers   Gridco,

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what are inherent currents?

0 Answers   Sail,

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Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

0 Answers  

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sigal phase supply is 230 v ac two phase supply is 415 v ac then why three phase supply having supply is 415 v ac why not 690v ac

2 Answers  

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