Answer / k.prakashchandra

As only voltage is enough for measurement

why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

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WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 Answers  

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IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

3 Answers  

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What is the difference between INVERTER and UPS?

7 Answers  

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How to select power cable for machine

4 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 use 11 kv 22 kv and so on ?

1 Answers   Air Force,

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Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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What are the consequences in using existing step up transformer (primary 6.6kv/175A, secondary 480v/2405A) for step down transformer to have a 6.6kv output?

1 Answers  

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why generally transformer are in star to delta or delta to star used?

8 Answers   ABB,

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IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

0 Answers  

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what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

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