how can we find CT coil not working ?

Categories >> Engineering >> Electrical Engineering
Suggest New Category

Question Posted / ravi

7 Answers
18611 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

how can we find CT coil not working ?..

Answer / naveen katinni

online measure the current
offline check the continuity

Is This Answer Correct ?

22 Yes

2 No

how can we find CT coil not working ?..

Answer / dinesh goswami

1. measring output current
2. check the coil resistance
3. Insulation resistance coil to earth

Is This Answer Correct ?

5 Yes

2 No

how can we find CT coil not working ?..

Answer / manish chaudhary

Short the secondary winding and check the current.If no
current found it means CT is FAULTY.

Is This Answer Correct ?

8 Yes

6 No

how can we find CT coil not working ?..

Answer / surya prakash

inject current to the primary side and measure the current
at secondary side....check the ratio...

measure IR /pI value....
measure the knee voltage of transformer...

Is This Answer Correct ?

5 Yes

4 No

how can we find CT coil not working ?..

Answer / pradeep kumar

no any type output from ct

Is This Answer Correct ?

8 Yes

8 No

how can we find CT coil not working ?..

Answer / amit

output is less then rated value.

Is This Answer Correct ?

11 Yes

14 No

how can we find CT coil not working ?..

Answer / mrudang

check the DGA of OIL
check the PPM value
check the other gas value
check the IR value

Is This Answer Correct ?

2 Yes

8 No

Post New Answer

More Electrical Engineering Interview Questions

What is the Different b\w Circuit Breaker & Isolater

11 Answers

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 Answers

why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

0 Answers

why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 Answers

I had attend the ITC (Indian Tobacco Company) interview (For Electrical maintanance).There they was conducted me a written test.And I was passed in that.Now They are going to conduct a Practical Interview in next round.Please help me what practical test they will ask............?

0 Answers ITC Infotech,

what is class of SPD and dittels of all class ?

0 Answers

A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

0 Answers Ecil, L&T,

1)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?

1 Answers

WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL AND SHUNT TRIP COIL OF AN ACB?

2 Answers Alstom,

Hi friends I am a service engineer in electrical field i plan to shift design engineer in same field, so i request your suggestion for what software or course i want to learn ?

5 Answers

what is the resistance value of earthing pit and why they are connected?

6 Answers

EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

0 Answers

For more Electrical Engineering Interview Questions Click Here