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The traditional metering device has some problems in system reliability, electricity-stealing prevention and accuracy. In order to solve the above problems, a new type of three-phase high-voltage energy meter based on RN8302 is designed in this paper. In order to collect voltage signal, we design voltage divider circuit. It uses low-power current sensor to collect current signals. The whole measurement...
The traditional metering device has some problems in system reliability, electricity-stealing prevention and accuracy. In order to solve the above problems, a new type of integrated high-voltage energy metering device is designed in this paper. The equal potential of the measuring integrated circuit is suspended on the high-voltage side. The AD7753 is used as the core of the electric energy measurement...
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