摘要
基于无差拍控制思想,提出具有延时补偿性能的电压预测控制策略。该算法能消除控制延时引起的补偿误差量,同时省去传统电流预测控制算法中的d-p旋转坐标变换,简化了控制系统的设计过程;另外,借助于空间矢量调制(SVM)技术实现开关状态的选择,使控制系统具有固定开关频率,从而简化滤波电感的设计。最后,搭建Matlab/Simulink仿真模型和基于50kvar的配电网静止无功补偿器(DSTATCOM)实验样机进行无功补偿和治理电压不平衡实验,仿真及实验结果都验证了该算法的有效性和可行性。
An optimal predictive voltage control based on the deadbeat control scheme is proposed ,which can elimi- nate the error caused the control delay and can be implemented without transforming to d-p rotating coordinate sys- tem.So this method can simplify the design process of the control system.Additionally, it simplifies the implementation of switching states based on the principle of space vector modulation （SVM）, which results in a constant switching fre- quency control and a simplified the design of filter inductance.At last, the simulation mode based on Matlab/Simulink and the 50 kvar experimental prototype are built, and the simulation and experimental results prove the validity and feasibility of the proposed predictive voltage control method.
出处
《电力电子技术》
CSCD
北大核心
2017年第10期42-45,共4页
Power Electronics
关键词
静止同步补偿器
无差拍控制
电压预测控制
static synchronous compensator
deadbeat control
predictive voltage control
