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The Design of Polarization Control System for Water Treatment

This paper discusses the hardware and software of polarization control system of the industrial circulating water. With the STM32 microprocessor produced by ST as its control core, this control system expands the display function of the zone LCD driving circuit which can realize field operation parameters, and designs the analogue acquisition circuit that can achieve the collection of circulating water polarization effect. The function of isolation output of the polarization energy can be achieved by the three-way PWM signal and the control signal produced by microprocessor, which can not only protect the output driver circuit effectively, but avoid the short circuit output. For the software design, the PID adjustment is adopted to realize the adjustment function of the output energy of PWM. The effect of energy saving and emission reduction of industrial circulating water can be attained in the later actual application.