Answer / kamal narayan

1.according to structure
shall type ,Barry type ,core type transformer
2.according to phase
single phase ,three phase transformer
3 according to voltage
step up , step down transformer

400 kvtransmission lines in india are connected in star or delta

10 Answers   NTPC,

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how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

0 Answers   Adani, Mahaveer,

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why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

3 Answers  

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what happen ,if generator will generate leading power factor?

6 Answers   CD, NTPC,

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If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 Answers   ABB, Unitech,

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what happen if turbine trip ,g.c.b not open and excitation on condition?

1 Answers  

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CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

0 Answers  

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what is shunt trip coil? what was the function in rmu?

1 Answers  

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Where is the best place to mount  distribution panel in a house.

0 Answers   Wantro Technical Services,

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why we do not get the electric shock at end of returning water of water cooled cable

1 Answers  

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What is meant by directional power and reverse power relay ?

1 Answers   HAL,

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A genarator is connected through a 20MVA ,13.8/138 KV stepdown transformer to a transmission line. at the reciving end of the line a load is supplied through a step down transformer of 10MVA,138/69 KV rating .A 0.72 PU load evaluated on load side transformer ratings as base values ,is supplied from the above system for system base values of 10 MVA and 69 KV in load circuit the value of the load in generator circuit will be ...........

1 Answers  

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