摘要
对三相四线系统中三相电压型PWM整流器的电压定向控制算法进行了全面分析,给出了新的数学模型、基本方程和控制框图,并对电压平衡控制和脉宽调制策略两个关键问题做了重点说明。为验证算法的正确性与可行性,搭建了基于Matlab7.1的仿真模型对系统进行全面仿真。结果表明,该控制策略性能可靠,计算简洁,具有较高的工程应用价值。
This paper gives thorough analysis on voltage oriented control algorithm of three-phase voltage source PWM rectifier in three-phase four-wire systems. Corresponding mathematical model, basic equations and control block diagram are introduced respectively, Voltage balancing control and pulse width modulation strategy are explained in detail. To verify the correctness and facility of the presented algorithm, a simulation model based on Matlab7.1 has been built. Simulation results show, this algorithm is reliable, easy to be implemented, and suitable for industrial applications.
出处
《电工技术学报》
EI
CSCD
北大核心
2007年第7期64-68,共5页
Transactions of China Electrotechnical Society
关键词
三相四线
三相电压型PWM整流器
电压定向控制
电压平衡控制
Three-phase four-wire, three-phase voltage source PWM rectifier, voltage oriented control, voltage balancing control
