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
- 2 Answers
- 6893 Views
- I also Faced
- E-Mail Answers
Answer Posted / enggrashmi
2nd harmonic
| Is This Answer Correct ? | 16 Yes | 2 No |
Post New Answer View All Answers
Discuss about gear cutting machines.
What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?
Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com
can anyone show me how the 3 phase power is supplied to socket outlets?
Explain cmrr?
Define filter?
what is the difference between ac motor and dc generator
What is the maximum and minimum rating of UPS?
I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.
300m long and 30kw inductive loade 3phase supply how many size cable required
I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.
What are the basic components of the feedback control system?
for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.
Explain dc generator with its types?
If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.
