Interested to Buy Any Domain ? << Click Here >> for more details...
Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on
External earth fault REF relay trips along with earth fault
relay.The REF relay has no complant as we tested relay.Why is
it happening?
- 3 Answers
- 6618 Views
- KSEB, I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Also may be due to 1 .reverse connection of NCT leads ( Unbalanced current of lines and NCT current add to each other ). 2. Low saturation point of NCT as Kv of bushing NCT is usually less than that of line CTs
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM
What are reasond for high wattage in single phase induction motors
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.
what is the question paper model for section engineer in RRB
Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.
sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com
What is difference between slip rings and carbon burushes?
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
what is physical distance of isolator to VCB in 33/11kv sub stations
What is a differential amplifier? Also, explain cmrr.
what are the safety measures of induction motor?
Can we check ELCB constantly from R1 to R8 phase in 1 no DB?
What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!
what is the relationship between current&voltage in practical purpose ?
