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Question
```how to calculate the multiplying factor for energy meter
with CT ratio given```
Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By

# 1
MF= (main PT ratio x main CT ratio x meter constant)/
(meter PT ratio x meter ct ratio)

 Is This Answer Correct ? 86 Yes 22 No
Sunil

# 2
Suppose CT ratio 100/5 then MF will be 20
then If you want to know the consumption so you

 Is This Answer Correct ? 50 Yes 26 No
Mazhar

# 3
Line CT Ratio/Meter CT Ratio*Line PT Ratio/Meter PTratio
 Is This Answer Correct ? 31 Yes 8 No
Ashok

# 4
M.F.= (Connected PTR/meter PTR) X (Connected CTR/Meter CTR)
 Is This Answer Correct ? 17 Yes 7 No
Sangamesh

# 5
If C.T Ratio is 150:5 Amp Than,
=150/5
=30
It means if Previous reading is 11226
Difference is 400 &
M.F=30*400
M.F =12000

 Is This Answer Correct ? 17 Yes 8 No
Sukhdev

# 6
M.F= (CONEECTED PT RATIO/METER PT RATIO * CONNCTED CT
RATIO/METER CT RATIO)* METER CONSTANT

 Is This Answer Correct ? 10 Yes 3 No
Naeem Zafar

# 7
M.F=(CT Ratio/Meter)* (PT Ratio/Meter)
(33/11)*(40/5)=?
like this

 Is This Answer Correct ? 11 Yes 7 No
Ramesh

# 8
if given CT ratio is 100/5 than multiplication factor will be 20.should multiply with displayed kWh
 Is This Answer Correct ? 4 Yes 0 No
Ruksana

# 9
CT Ratio = CT RATIO OF CT*PT RATIO OF PT
-----------------------------------
METER RATIO OF CT*METER RATIO OF PT

 Is This Answer Correct ? 10 Yes 7 No
J.p.

# 10
60/5
 Is This Answer Correct ? 4 Yes 7 No
Pravin