Why machine give shock

3 Answers   Akij, Bhel,

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why it is necessary to short and ground of a current transformer secondary side?

6 Answers   Ambuja,

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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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Define non-touching loop.

0 Answers  

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dear friends plz send link about reluctance & universal motor .thank u

4 Answers  

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what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law

2 Answers   NFCL,

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How do we calculate the out Put voltage of generator, after excitation being given?

2 Answers  

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in DG synchronization system can i short R,Y,B- phase(DG-1) to R,Y,B Phase (DG-2), HOW IT WORK . WHAY WE NEED TO SYNCHRONIZATION.

1 Answers  

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Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

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two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 Answers   DRDO, PSPCL, Siemens,

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why transformer has more efficiency compare to rotating machine?

3 Answers  

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What is the difference between a Vacuum Circuit Breaker and a Load Break Switch?

7 Answers  

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