Discussion in "Project Addition or Changes" started by    nisargpatel    Aug 16, 2014.
Sat Aug 16 2014, 03:33 pm
#1
Anyone have idea related to AC/DC current measurement using shunt?
Sun Aug 17 2014, 01:41 am
#2
You will have to be more specific about what you are doing,
what your problem is.
Wed Aug 20 2014, 10:59 am
#3
see we are measuring electrical parameters by CT, but it can only measures AC supply parameters not DC
Now i have to do both AC and DC parameter measurements for that the best way to use is highly accurate resistor = shunt.
i am using PBV-R005 shunt for my application
i have calibrate it on phentom load and note down readings then put on actual load note down readings
the problem is that these both readings have variations,

now about measurement - it is just resistor so whatever the voltage drop across it that is amplified by unity gain opamp and given to ADC for conversion

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