what is diffrence between primary & secondry transformer?

3 Answers  

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WHEN I AM CONNECTIN TWO ELCB IN PARALLEL.ONE ELCB TRIPPED...HOW IT HAPPEND??

5 Answers  

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which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

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when elecromagnatic waves are propogated in a wave guide?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN RESISANTANCE AND IMPEDANCE IF IMPEDANCE IS MORE THAN RESISTANCE AT SAME VOLTAGE CAN WE HAVE RELATION DERIEVED BETWEEN THEM

4 Answers  

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how much power consumed by 1.5 ton capacity split A.C in 1 hour

2 Answers  

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why insulators are colured in brown only?

3 Answers   Transco,

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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what is ups Paralleling? how is load sharing at that time ? what are the things we have to note that time?

1 Answers  

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what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 Answers  

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What is difference between ct&pt transformers?

4 Answers   Adgas,

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define frequency ?

14 Answers   KPTCL,

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