how can we find CT coil not working ?

Categories >> Engineering >> Electrical Engineering
Suggest New Category

Question Posted / ravi

7 Answers
18491 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

1)Explain why the cradle guard is used on railway crossing in overhead line construction?

0 Answers

how is calculated the quantity of weight in hot test xlpe?

0 Answers Hirbodan,

For 33 kv HT line how much amps fuse to be fitted pls explain with formula

1 Answers Suzlon,

what is the diference beteween dedicated earthing & body earthing?

1 Answers

how we can convert 3 phase to single phase without using any transformer

8 Answers

Why stand-by earth fault relay and restricted earth fault relays are connected between neutral and ground in transformer?

1 Answers

A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE

0 Answers IAS, TATA,

when we increased the current what do ?

0 Answers

voltmeter kya hota hy ?

2 Answers

why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers

I have 725KVA DG set how to Calculate the Ratio of KWH? Whatb is the Formila

7 Answers HCL,

How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers

For more Electrical Engineering Interview Questions Click Here