A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

4 Answers   GATE,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

0 Answers  

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What is the difference between synchronous asynchronous memory?

1 Answers  

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Difference between directional over current and non directional over current ?

2 Answers  

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why transformer rating is in kva?

11 Answers  

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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what is the advantage of connecting capacitors in delta than in star?

1 Answers   NTPC,

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What is the dependency of stiffness on load angle??

0 Answers  

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What is current chopping in CB?

1 Answers  

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Hi, We facing one similar problem in our computers i.e we are newly constructed our design department after that shifted our computers but our computer desktop screen is vibrating. we are conducted our electrical maintainance person he told that is UPS problem, then we changed the UPS also again we are facing that problem in that room only. then we put lcd monitors that problem is solved. But in other monitors why the computer desktop screen is vibrating please give a suggestion to me. Regards, Raju.N.G

10 Answers  

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I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

2 Answers   PPL,

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give me list of material for wiring of 20hp motor?

2 Answers   Alchemist,

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