Aiming at the real-time high-precision detection problem of power parameters, a real-time automatic detection technology for AC power (voltage, current, active power, power factor, frequency, etc.) using a dual-rate synchronous AC sampling algorithm is introduced. The system is based on a 16-bit single-chip microcomputer and uses AC power as the detection object. By tracking the power frequency and using a dual-rate synchronous AC sampling algorithm, the detection accuracy of the system is improved. The principle, hardware implementation and software design of the technology are explained in this paper. Practice has proved that the technology has great application prospects in the intelligent detection of power systems.
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