应用整流性负载模型的单相逆变器特性分析  

Analysis of Inverter Characteristics With Rectifier Load Using a Nonlinear Rectifier Model

作　　者：陈敏[1] 姚玮[1] 邱智勇[2] 钱照明[1] 

机构地区：[1]浙江大学电气工程学院,浙江省杭州市310027 [2]华东电力调度交易中心,上海市虹口区200002

出　　处：《中国电机工程学报》2008年第15期44-48,共5页Proceedings of the CSEE

基　　金：国家自然科学基金重点项目(50237030)~~

摘　　要：提出一种利用死区特性实现的整流性负载模型,并基于提出的模型对逆变器负载特性及其系统进行了分析。根据非线性理论,把整流性负载条件下逆变器工作分解成两种状态,从而简化了分析。文中研究了整流性负载条件下逆变器输出电压畸变机理,并利用相平面法分析了系统的稳定性。根据以上分析,提出了整流性负载条件下逆变器的设计原理,并根据提出的理论进行了仿真和实验论证,实现了较好的控制效果。This paper presents a systematic analysis of inverter system characteristics under rectifier load with the proposed model. The system dynamic response is derived by the nonlinear control theory, which reveals that the system can be simplified as if it shifts between two different steady states periodically. The distortion mechanism of the inverter output waveform under rectifier load is then studied through the analysis of these two steady state responses. The system stability is analyzed using the phase plane plot of the nonlinear control theory, Based on these analyses, design principle is proposed. A design example is presented with the experimental results.

关 键 词：逆变器 整流性负载模型 非线性理论 稳定性 

分 类 号：TM464[电气工程—电器]