共直流母线交流传动节能系统的混杂系统建模与分析_李继方.pdf

2011 年 7 月 电 工 技 术 学 报 Vol.26 No. 7 第 26 卷第 7 期 TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY Jul. 2011 共直流母线交流传动节能系统的 混杂系统建模与分析 1,2 1 1 李继方 汤天浩 姚 刚 （1. 上海海事大学物流工程学院 上海 200135 2. 开封大学机电工程学院 开封 475004 ） 摘要 为了节约能源在工业生产中，共直流母线交流传动系统被广泛采用。针对因系统复杂 难以建模问题，引入混杂系统理论，在分析共直流母线交流传动节能系统结构及特点的基础上， 构造了系统的形式化模型及其等效电路，建立了等效电路中受控功率源的混杂Petri 网模型和电网 整流装置的混杂自动机模型，进而得到系统整体模型。分两种工况仿真研究系统直流母线的功率 和电压，讨论了不同工况下的处理方法，验证了所建模型的合理性。 关键词：共直流母线 交流传动 节能 混杂系统 建模与分析 中图分类号：TM921.46 Modeling and Analysis for Common DC Bus AC Drive Energy-Saving System Based on Hybrid Systems Li Jifang 1,2 Tang Tianhao 1 Yao Gang 1 (1. Shanghai Maritime University Shanghai 200135 China 2. Kaifeng University Kaifeng 475004 China) Abstract In order to save the energy, a common DC bus AC Drive Systems could be adopted in industrial production. However, it is difficult to establish mathematical model for it because of its complexity. Based on analyzing the structure and characteristics of it, an equivalent circuit model is established using hybrid systems theory. And then, models of controlled power source and the power grids rectifiers are established using a hybrid Petri nets and hybrid automata respectively. So the system model is established completely. Finally, the DC bus power and voltage are simulated in two operating conditions, the treatments in different operating conditions are discussed, and the reasonableness of the proposed model is verified simultaneously. Keywords ：Common DC bus, AC drive, energy-saving, hybrid systems, modeling and a