Advantages of the passivity based control in dynamic voltage restorers for power quality improvement

被引：15

作者：

Gonzalez, Mario ^{[1
]}

Cardenas, Victor ^{[1
]}

Espinosa, Gerardo ^{[2
]}

机构：

[1] UASLP, Ctr Invest & Estudios Posgrad, Fac Ingn, San Luis Potosi 78290, Mexico

[2] Univ Nacl Autonoma Mexico, Fac Ingn, Mexico City 04510, DF, Mexico

来源：

SIMULATION MODELLING PRACTICE AND THEORY | 2014年 / 47卷

关键词：

Passivity based control; PI control; Dynamic voltage restorer; Power quality; Sag; Swell; Harmonic distortion; OPERATION;

D O I：

10.1016/j.simpat.2014.06.009

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A better and feasible control strategy for dynamic voltage restorers (DVR) is presented in this paper: the passivity based control (PBC) allows a better compensation performance under transient and steady state operating conditions, and provides tracking with zero error of any reference for linear and nonlinear loads. The closed-loop source-DVR-PBC-load system is asymptotically stable at all operating points, with practically very slight constraints; its transient response is faster than with classical controllers, and does not present overshoots. These characteristics do not depend on source voltage disturbances, the kind of load, or parameter variations. The PBC uses less digital operations than the PI, and does not require dq transformations. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：221 / 235

页数：15

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