Abstract

For the output voltage of traditional regulators have problems of unstable and unreliability. The chopping control system based on PLC control is designed. This paper takes the PLC intelligent processor as core of the system and uses IGBT constitute chopping circuit. Voltage signal possessed by fuzzy PID export PWM wave to control IGBT opened and closed achieve voltage regulation. The experiment result shows that the system has advantages of simple circuit, rapid current control, and high level automation.

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