According to the requirements of the power monitoring system, a design method for a multi-channel AC signal acquisition and processing system based on FPGA technology is proposed. The structure of the entire system is analyzed, and the division of hardware resources inside the FPGA and the design of the software, as well as the principles and uses of each functional module are discussed. In the system, FPGA is used to synchronously track and sample the three-phase voltage and three-phase current, and 32 harmonic analysis and power parameter calculation are performed; and parallel and serial communication with the outside world is realized, which improves versatility.
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