in our transmisison sub station why we step down firstly 132kv\33kv then 33kv to 11kv. can we direct step down 132kv to 11kv.

4 Answers  

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What is different between hypo test and megger test

2 Answers   ABB,

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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What are IR values and what it should be for coil and for insulator

0 Answers   GPSC Gujarat Public Service Commission,

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IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

0 Answers  

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

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dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

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How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

3 Answers   ABB, Raj Process Equipments, Visa Steel,

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In a Dyn11 transformer, how are the 3 windings of the delta connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3 windings on the HV side.

3 Answers  

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Hello every one I am currently working in IT side but i have an offer to work under 'A' license holder and he says i can get c license what is the use of c license and what shall i do after getting it basically i am an electrical graduate please help me shall i leave this it job and work in electrical maintenance will i have a good future i am confused Thank You in Advance

1 Answers  

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how choose conductor&depending upon load

0 Answers   Ford, HCL,

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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