can we use existing 6300V alternator for generating 6600V by increasing excitation,what are advantages & disadvantages to alternator & motors of 6600V.

1 Answers   GMR,

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why transformer are not used in D.C SUPPLY

5 Answers  

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Why AC loads wont used in DC input supply? and Why DC loads wont used in AC input supply?

3 Answers   Bhel,

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How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

0 Answers  

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

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up to what extwnt of voltage the celing fan works?

3 Answers   ICSA,

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

0 Answers  

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why grid failure happens?

1 Answers  

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I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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why star point of HT motor not earthed?

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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EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

1 Answers  

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