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30 October 2006 Research and design of the electric power quality analysis meter
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It presents an electric power quality analysis meter according to the concept and requirement of its function. The circuit theory of the system is showed in this paper. The two microprocessors, one is DSP, one is ARM7-44B0X, and a high-speed A/D was used to realize the data could be collected and analyzed efficiently. And it was used to measure and control remotely that the CAN bus connecting the meter and its upper computer. There are four program modules in the software of the meter: the analysis database of power quality, data analysis, data communication, man-computer interface. It was showed that the design of four modules and the flow chart of function program. According to the different data structure of the meter and the basic fundamental of data transfers, it was designed to solve the data transfers and transfer of control that remote measurement and control of upper computer in the module of communication. The module of data analysis analyzes and calculates the parameters of the meter and draws their curves so that the dynamic measuring data would be analyzed and the wave curve would be showed real-timely.
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Qizhong Cai, Haiying Yuan, Kejian Li, Rugang Wang, and Yan Wei "Research and design of the electric power quality analysis meter", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 635824 (30 October 2006);

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