Three-phase energy metering dedicated circuit
Description
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IVP1 IVP2 IVP3 FOUT1 FOUT2
IIP1 IIN1 IIP2 IIN2 IIP3 IIN3
CF DIR
REF1
OSC1 OSC2
REF2
TM9936-DIP40
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TM9936-QFP44
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714.24 × f CF =
Fosc I I 1 × I V 1 + I I 2 × I V 2 + I I 3 × I V 3 × 3.58M 3× I R × I R
DIV
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