how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure

2 Answers  

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Explain using drawings what is reverse PID action w.r.t PID controllers.

0 Answers   L&T,

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Why you are switching off arc protection mcb when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

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if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

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what is the KVA formula of a three phase transformer

5 Answers  

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why nutral and earthing wire connect with each other in main panel board.?

2 Answers  

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why use -48 volt DC power in telecom?

3 Answers  

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OHMS Law is only applicable for ac or dc or both circuiT?.

6 Answers  

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WHAT WILL HAPPEN WHEN THE MOTOR FREQUENCY INCREASED OVER THE RATED MOTOR RPM THROUGH DRIVE?

3 Answers  

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when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

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Define active filter?

0 Answers  

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do we use neutral grounding for resistive balanced load? if we use what happen?

0 Answers   NFC,

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