摘要
提出了基于模型预测控制(model predictive control,MPC)的统一电能质量调节器(unified power quality conditioner,UPQC)以改善电网电能质量。介绍了UPQC的基本原理、结构,并对其进行建模得到其状态空间模型,以这个模型为基础,将MPC控制算法应用到UPQC系统中,设计了MPC控制器。仿真结果表明,基于MPC的UPQC能够有效补偿谐波、抑制干扰。
To improve power quality of power grids, a unified power quality conditioner (UPQC) based on model predictive control (MPC) is proposed. The basic principle and structure of UPQC are presented and a model of UPQC is built to attain its state-space model; based on the state-space model, the MPC control algorithm is applied in UPQC, then an MPC controller is designed. Simulation results show that the MPC-based UPQC can effectively compensate harmonic distortions and interferences can be suppressed.
出处
《电网技术》
EI
CSCD
北大核心
2010年第5期35-40,共6页
Power System Technology
基金
国家863高技术基金项目(2008AA042407)
天津市科技支撑项目(08ECGYGX11800)
中国教育部国家留学基金委员会"建设国家高水平大学项目"对本文工作的资助与支持~~
关键词
模型预测控制
统一电能质量调节器
谐波畸变
内点法
model predictive control (MPC)
unified power quality conditioner (UPQC)
harmonic distortion
interior point method