Electrical Automation Equipment Management System Based on PLC Frequency Conversion Technology

Abstract

Electrical automation technology is a technology that uses computer technology, information technology, and control principles to control and optimize the production process, so as to improve production efficiency. However, there are still some deficiencies in the research on the energy-saving effect of electrical automation technology. Based on the PLC frequency conversion technology, we have carried out experimental research on the pumping unit frequency conversion electrical automation energy-saving system. This paper first analyzes the necessity of constructing a new electrical automation experimental platform and then briefly describes the variable frequency control technology based on PLC controller and the working principle of variable frequency speed regulation. It illustrates the feasibility of variable frequency speed regulation to save energy and conducts mathematical modeling analysis on the electrical automatic pumping unit. In this paper, the fuzzy PID algorithm is selected to control the motor by frequency conversion and speed regulation, and the motor model is optimized, so that the motor angular frequency parameter can achieve the best effect. At the end of this paper, the experimental analysis of the frequency conversion electrical automation energy-saving system of the pumping unit is carried out. The experimental results of this paper show that the established model meets the requirements, and the measurement results show that the frequency of the motor load changes. Coupled with fuzzy PID adjustment, it gradually stabilizes the frequency, and the measurement error is within 3%. It meets the preexperiment requirements. When fuzzy PID control is added in the experiment, the motor speed fluctuation is small, and the error value is small. The results show that the frequency conversion technology based on PLC is an effective technology for the energy saving of the frequency conversion electrical automation of the pumping unit.