Passivity-based Controller Design and Stable Control Region Analysis of the Cascaded DSTATCOM

被引：0
|
作者：
Xu, Lin [1 ]
Han, Yang [2 ]
机构：
[1] Sichuan Elect Power Res Inst, Chengdu 610072, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Dept Power Elect, Sch Mechatron Engn, Chengdu 611731, Peoples R China
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2012年 / 88卷 / 3B期
关键词：
DSTATCOM; cascaded H-bridge; power balancing; passivity-based controller; electromagnetic transient program (EMTP); ACTIVE POWER FILTER; BALANCING CONTROL; STRATEGY; SYSTEM; SCHEME; MITIGATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a novel passivity-based control scheme for the cascaded H-bridge (CHB) DSTATCOM. The mathematical model of the CHB-DSTATCOM is devised by partitioning the CHB-DSTATCOM into n-block subsystems, and the control algorithm is devised using the adaptive passivity controller. The power balancing mechanism and the stable control region are analyzed using the phasorial diagram representation. The Electromagnetic Transient Program (EMTP) is used for digital simulation, and the Transient Analysis of Control System (TACS) and the MODELS language of the EMTP are utilized for control algorithm implementation. The simulation results of the CHB-DSTATCOM under abrupt dc-link voltage variations are provided with comparative evaluations. The devised control scheme of the CHB-DSTATCOM is validated by the simulation and experimental results from the prototype system.
引用
收藏
页码：140 / 148
页数：9
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