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I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.
3 5449How Id and Ires are calculated in siprotech 7ut612 and abb trsfmr differential relay.what is the formula
1 3617what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?
2 6514some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?
1 4998There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.
1 3639In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.
1 3559Post New Electrical Engineering Questions
Why are iron cores in transformers made laminated?
what is the internal working of star delta starter
what is meant by flywheel and its role in retardation test
if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side
hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?
why does a dc machine has high efficiency while working as a generator than as a motor ..
How to set a Zone 1 distance relay for distribution feeder?
what is arc flash and what are the hazards involved
is it possible to turn on the single phase star delta on delay timer using 24 v dc ?
Why the field rheostat is adjusted such that the voltmeter reads 380V
WHY CBCT USE ONLY IN Y PHASE NOT OTHER PHASES
im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar
How do u analyse protection fault when vcb tripping on load
SUTIABLE FOR ohm's law super conductor
What current position are you holding in your current company?
