Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

0 Answers  

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hi, could someone help me to find a control design for syncronising panel .

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What is the value of specific gravity in charged lead acid batteries.

11 Answers  

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

0 Answers  

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hi... Can anybody give me description of type-2 coordination, IP protection, NEMA standards ? Thanks..

2 Answers   KSEB,

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plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

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I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.

1 Answers   Medway Educational Consultant,

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Explain Analog and Digital signals?

1 Answers   UOG,

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What happen to generator if i have unbalanced load?

0 Answers   Reliance Energy, Sail, TCS,

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What is Instantaneous Earth fault relay,how will work

0 Answers  

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how instantanious short circuit current is calculated ? its formula.

0 Answers   Crompton Greaves,

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I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 Answers  

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