How out of step protection relay works?

0 Answers   APL,

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Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 Answers   ABB, Reliance,

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Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

6 Answers   NTPC, Vijai Electricals,

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A MACHINE WHICH HAVE 1000rpm SPEED IS LARGER IN SIZE AS COMPARED TO THAT OF A MACHINE WHICH HAVE 1500rpm.WHY ?

2 Answers  

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What are the factors to be considered during the Synchronization?

3 Answers  

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What is meant by full pitched winding?

0 Answers  

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plz tell me in detail about c.t. and p.t. ?

3 Answers   Reliance, SCL,

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what curve and rateing would you use for a three phase 0.75kw motor?

0 Answers  

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what is the meaning of powerfactor

6 Answers   NTP,

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7. Hrc fuse provides best protection against.......

5 Answers   SSC, UGVCL Uttar Gujarat Vij Company Ltd,

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suppose we using 3 phase motor of 440 v means what range of C.T. is require for measuring current ?

9 Answers  

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is there or does RCCB work for single phase connection?

2 Answers  

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