what are the problems are there if power factor is leading

3 Answers   NTPC,

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what is the advantage of pwm pulse compare to squarewave pulse.

2 Answers  

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what is ring main unit(Rmu)? what is its function

1 Answers  

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dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

0 Answers   RRB,

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what do u mean by bus bar?

6 Answers  

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How magnetic balance test of single phase transformer is done,Especially in ESP transformer rectifier set.

2 Answers   Bhel,

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what is thresold of perception

0 Answers  

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when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?

2 Answers  

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Hysteresis loss in a core is due to what reason or property of the material used for that core?

1 Answers  

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what is droop?

13 Answers   Alstom, Bhel,

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what is difrent between earthing and ground

4 Answers  

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What is type of transformers?

3 Answers  

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