电力系统保护与控制2018，Vol.46Issue(10)：48-54,7.DOI:10.7667/PSPC170690
一种用于矩阵变换器的简化非线性自抗扰控制策略
A simplified nonlinear auto disturbance rejection control strategy for matrix converter
摘要
Abstract
Matrix Converter (MC) has the characteristics of power direct conversion,which makes the performance of the output side easily affected by the disturbance,so it is very necessary to control the MC system.Due to the nonlinearity,multivariable and parameter variability of MC,the mathematical model can not be determined.Therefore,it is not so successful to design a single closed-loop control system with PI constant under the condition of unstable internal and external disturbances.An Auto Disturbance Rejection Controller (ADRC) which is independent of the object model is applied to the MC system.And in order to solve the problem that the non-smooth non-linear function of the ADRC control module causes the harmonic component of the MC output system is increased.On the basis of ADRC,the nonlinear function of the auto ADRC module is improved and its control loop is simplified.Experimental results show that when the ADRC is used for the MC system to control the adjustment,the control effect is superior to PI control both in the condition of harmonic pollution on the input side of the grid itself or under the condition of abnormal grid voltage.关键词
矩阵变换器/自抗扰控制器/非线性函数/PI控制器Key words
matrix converter/auto disturbance rejection controller/nonlinear function/PI controller引用本文复制引用
马星河,张少辉,李自强,赵军营..一种用于矩阵变换器的简化非线性自抗扰控制策略[J].电力系统保护与控制,2018,46(10):48-54,7.基金项目
This work is supported by National Natural Science Foundation of China (No.U1404522) and National Key Research and Development Program of China (No.2016YFC0600906).国家自然科学基金资助项目(U1404522) （No.U1404522）
国家重点研发计划课题(2016YFC0600906) （2016YFC0600906）
