Robust stability analysis of voltage and current control for distributed generation systems

被引：55

作者：

Marwali, Mohammad N. ^{[1
]}

Dai, Min

Keyhani, Ali

机构：

[1] Liebert Corp, Delaware, OH 43015 USA

[2] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43201 USA

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2006年 / 21卷 / 02期

基金：

美国国家科学基金会;

关键词：

digital signal processors (DSP); pulse width modulated (PWM) inverters; robust stability; structured singular value;

D O I：

10.1109/TEC.2005.860406

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper analyzes the robust stability of a voltage and current control solution for a stand-alone distributed generation (DG) unit using the structured singular value or mu-framework-based method. The voltage and current control solution consists of a discrete-time sliding mode current controller and a perfect robust servomechanism problem voltage controller, which has been shown effective in transient response and harmonic minimization in previous study without considering parametric uncertainty. The stability robustness of the system and its transient performance are investigated under various tuning parameters of the controller. The analysis results presented in this paper demonstrate that the controller parameters can be tuned and verified to satisfy a certain transient performance requirement and at the same time guarantee robust stability under system parameter uncertainties and load variations.

引用

页码：516 / 526

页数：11

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