What happen Grid EARTH plat got cut.
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Resistance of low voltage side of transformer compared to high voltage side is A less B equal C more D depens on design
avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....
what is the full form of MEMO? name of memo train.
What is LOTO?
when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?
What are unstable systems?
What is an iron loss or core loss pi?
why use generator Earthing/Graunding.
We have 11kV/110V three phase indoor potential transformer in 66/11kV Sub-station, where the failure of PT is frequently happening and the rating of the PT is 0.2 class accuracy, with primary star and seconday (two cores) star connected. Some experts has suggested to not to connect the PT Primary neutral to the ground because when transformer neutal NCT connection is loose; the faulty current will flow through the PT primary neutral, resulting into failure of PT. My question is: Is it necessary to remove the primary neutral connection of the PT from ground? if not, what would be the reason for failure of PT. Please guide me.
What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!
why we are maintain phase to phase clearence
If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?
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