Answer / ajaz sarwar

Grading rings also called corona or anti-corona rings, made up of conductive material attached to the terminals of high voltage equipment to reduce the peak value of electric potential gradient below the threshold value of corona. 

What is Residual Voltage & Residual Current?

4 Answers  

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what is the difference between CVT & PT?

2 Answers  

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what role does a star point or neutral point play in a star connected system?

4 Answers  

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Why CT secondary is grounded?

11 Answers   GE,

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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what is rated current and operating current?

1 Answers  

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Why can not you store AC power in battery like DC power?

1 Answers   NTPC,

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why capacitor is placed in fan

4 Answers  

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

0 Answers   CCP,

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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what is phase voltage and phase current what is line current and line phase

3 Answers   L&T,

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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