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Answers : Technology

how to interface current transformer to ARM7- LPC2148?

6 answers	Answer it!

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Mar 30, 2011. 1:57 AM

steveastrouk says:

Is this a "real" CT or a Hall Sensor type ?

Mar 30, 2011. 5:59 AMDSKHOT (author) says:

real ct

Mar 30, 2011. 6:46 AM

steveastrouk says:

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

Mar 30, 2011. 12:53 AM

steveastrouk says:

What are you trying to do ?

Mar 30, 2011. 1:55 AMDSKHOT (author) says:

we are measuring energy consumption with control of ARM7