Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

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can any tell me why slope 40% and 80% is calculated in differential protection?

0 Answers  

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what is the difference between circular wdg & ractangular wdg?

0 Answers  

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what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 Answers  

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why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?

2 Answers   Essar,

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers  

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

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Who we calculate the generator NGR resistant, generator voltage 11 KV ?

2 Answers   ABB,

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What is the method of estamating of cable, CB,MCB ?

0 Answers  

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what is allowable current flows from phase to ground with out tripping the breaker

1 Answers  

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what is the formulae for selcting capacitor bank to increas pf

4 Answers  

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