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3phase power meter using three AD7755

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7rots51

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3phase power meter

Can I measure active and reactive energy and other parameters of a 3 phase power line by using three AD7755 in a circuit for each phase (3wire or 4 wire power lines)???
 

nebula

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Re: 3phase power meter

RTOS51 said:
Can I measure active and reactive energy and other parameters of a 3 phase power line by using three AD7755 in a circuit for each phase (3wire or 4 wire power lines)???
 

7rots51

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Why not? Please explain it.
 

Nick_B

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You can't calculate FULL power
The phase information will be lost
 

aNdreiBuuu

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Nick_B has right use AT73C501 as 3 phase convertor from A*T*M*E*L
best,
//a
8)
 

lutrue0410

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so that's mean the AD7755 cannot measure the power factor?
 

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