To prevent the mal operation of a differentially connected relay while energizi

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

Question Posted / jignesh619

2 Answers
8099 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

To prevent the mal operation of a differentially connected relay while energizing a transformer, th..

Answer / enggrashmi

2nd harmonic

Is This Answer Correct ?

16 Yes

2 No

To prevent the mal operation of a differentially connected relay while energizing a transformer, th..

Answer / k.prakashchandra

b) fifth harmonic

Is This Answer Correct ?

4 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers

What is mean 2XWY

0 Answers Wilo,

Is the inductance parameter of transmission line affected by taking the earth into consideration?is the same true for capacitance? Justify the answer.

1 Answers

i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

0 Answers

In auto transformer if power transferred inductively and conductively are same, the ratio of output/input voltage is A 1 B 0.7 C 0.5 D none of above

2 Answers Getco,

HOW WE WILL CONNECT THE PHASE CTS AND NEUTRAL CTS TO REF RELY

3 Answers

what type of protection and safety req. in the 220kv substaion and area around the substation

2 Answers

Squirrel cage induction motor has constant A slip B stator current C rotor resistance D speed at all load

1 Answers

What is difference between slip rings and carbon burushes?

2 Answers Hyundai, IVRCL,

what is the meaning of ceiling voltage in Generator exciter?

1 Answers

We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

1 Answers Suzlon,

if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

4 Answers

For more Electrical Engineering Interview Questions Click Here