摘要
为提高配电网静止同步补偿器(D-STATCOM)控制系统动态性能和鲁棒性,提出一种基于输入—输出反馈线性化与积分滑模控制相结合的D-STATCOM控制方法。该方法利用输入—输出反馈线性化实现D-STATCOM有功电流与无功电流的解耦,消除D-STATCOM直流侧电容电压的非线性特性,使之在支撑公共耦合点(PCC)处电压的同时快速稳定直流侧电压,并利用积分滑模控制增强其对参数摄动的鲁棒性。仿真和物理实验结果表明,D-STATCOM采用文中提出的控制策略,配电网PCC处电压和直流侧电容电压均能快速、准确地调整到其参考值,并在外部干扰及参数变化时具有较强的鲁棒性。
To improve the dynamic performance and robustness of a distribution static synchronous compensator（DSTATCOM）control system,an input-output feedback linearization technique combined with integral sliding mode control method for D-STATCOM is presented.Input-output feedback linearization technique enables the active current and reactive current decoupling for D-STATCOM,and eliminates the non-linear dynamics on capacitor voltage at DC side,which makes it much stable.The integral sliding mode control is also adopted to improve the D-STATCOM control robustness.The simulation and physical experimental results show that the voltages at point of common coupling（PCC）and DC voltage of DSTATCOM could track their references quickly and accurately.This control strategy is insensitive to external disturbances and parameter variations.
出处
《电力系统自动化》
EI
CSCD
北大核心
2016年第5期102-108,共7页
Automation of Electric Power Systems
基金
教育部博士点基金资助项目(20110181120007)~~
关键词
配电网静止同步补偿器
输入—输出反馈线性化
非线性
积分滑模控制
鲁棒性
distribution static synchronous compensator（D-STATCOM）
input-output feedback linearization
nonlinearity
integral sliding mode control
robustness
