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how to interface current transformer to ARM7- LPC2148?



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Is this a "real" CT or a Hall Sensor type ?
DSKHOT (author)  steveastrouk6 years ago
real ct
For an engineering problem, you don't give much data. What's the CT ratio ? What precision do you need ? What input range does the ARM board need ? Are you aiming to measure true RMS current and voltage by dynamic measurement, or through an external chip ?

Steve
What are you trying to do ?
DSKHOT (author)  steveastrouk6 years ago
we are measuring energy consumption with control of ARM7
ARJOON6 years ago
be clearer