Answer / shailesh

yes it has zero frequency but by the different application
it willl be constent.

Answer / jkth

we can convert ac to dc using rectifire circuit....
which has a frequency.

1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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why power generated only 11KV not more than???????? and why power up/down is multification of 11*?=??.??? foe Example 11/33,11/66,66/11KV etc,

8 Answers   Essar,

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WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

0 Answers   GE,

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suri transmission

0 Answers   Bhel,

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What is relation between mu(nought) and epsilon(nought)?

0 Answers  

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

0 Answers   US Electrofused Minerals,

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how many type of of electrical fuse please explan?

9 Answers  

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why power factor is lagging and leading(i.e -1to +1)

2 Answers  

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CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??

0 Answers  

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what is the principle of switch gear? where its function ?

9 Answers  

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Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

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