Answer / k.prakashchandra

18 KVA as 0.75 pf is considered for motors.

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

0 Answers   Areva, Google,

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can we use trip light with bus coupler?

0 Answers  

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WHAT IS THE SHOPE TESTING

2 Answers   TATA,

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what is PDU in transformer?? which company manufacture??

0 Answers  

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We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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why characteristics of overcurrent relay is time-->psm instead of time-->current?

0 Answers   ABB,

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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??

5 Answers  

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AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 Answers  

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What is the meaning of GRID?

21 Answers  

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what is the function of closing coil in air circuit breaker?

0 Answers   Fresher,

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what is the difference between the diode and the rectifier

17 Answers   Avalon, L&T, Mahacol Trexim,

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