基于惩罚函数的异步电动机综合节能控制

针对现有异步电动机节能控制效果不理想的问题,提出了一种基于惩罚函数的综合节能控制装置的设计方案,建立了综合节能控制装置的优化模型。该装置在变频调速中采用动态调压技术,可动态调节电动机的端电压和频率,利用惩罚函数法对输出功率进行优化,使电动机变频调速系统运行于最佳模式,最终达到节能的目的。Matlab仿真结果表明,该综合节能控制装置综合了调压节能和调速节能的优点,具有良好的节能效果。

Comprehensive energy-saving control of asynchronous motor based on penalty function

In view of problem of non-ideal control effect of energy-saving of existing asynchronous motor,the paper proposed a design scheme of comprehensive energy-saving control device based on penalty function,and established integrated optimization model of energy-saving control device.The device uses dynamic voltage regulation technology in frequency-conversion speed-regulation,and can dynamically adjust terminal voltage and frequency of the motor;it adopts penalty function algorithm to optimize power output,so as to make frequency-conversion speed-regulation system of the motor operate in the best mode,and achieve goal of energy-saving.The Matlab simulation results show that the comprehensive energysaving control device has advantages of voltage and speed regulating energy-saving,and has good energysaving effect.