To prevent the mal operation of a differentially connected
relay while energizing a transformer, the relay restraining
coil is baised with
(a)second harmonic current
(b)fifth harmonic current
(c)third harmonic current
(d)seventh harmonic current
Answer Posted / enggrashmi
2nd harmonic
| Is This Answer Correct ? | 16 Yes | 2 No |
Post New Answer View All Answers
How isolater function when installed inelectrical 440V wiring
what happen if drive input fail momentry at 48.5 HZ frequency?
Why using synchronising methed in DG's sets?
According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor
What are the uses of stepper motor?
What are the main advantages of bode plot?
How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer
What is ideal IR values for ground and neutral.
I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in
Name of the relay of low lub oil presuure in DG sets
why dc is used in control circuit for mv & hv switchgear instead of ac
what is the responsibility of C license holder in industry?
what are the specifications we must look at to select a relay for any capacity motor?
why single CT used in DOL starter power circuit?
What is the difference between solid grounding and impedance grounding?