A Lyapunov-Function-Based Control for Three-Level Shunt Active Power Filter Using Feedback Linearization

被引：0

作者：

Zhu, Xun ^{[1
]}

Wang, Yong ^{[1
]}

Hu, Juan ^{[2
]}

机构：

[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China

[2] China Elect Power Res Inst, 15 Xiaoying East Rd, Beijing 100192, Peoples R China

来源：

2018 CHINA INTERNATIONAL CONFERENCE ON ELECTRICITY DISTRIBUTION (CICED) | 2018年

关键词：

three-level active power filter; Lyapunov function; feedback linearization; three-phase four-wire system;

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：

The three-phase four-wire three-level neutral-pointclamped shunt active power filter (NPC-SAPF) is considered as an effective way to compensate harmonics generated by nonlinear loads in power system. In this paper, a Lyapunov-Function-based control using the decoupled NPC-SAPF state-space mathematical model is presented. An affine nonlinear model of NPC-SAPF is established in the synchronous d-q-0 frame. Applying state feedback linearization method to the affine nonlinear model, a linearized and decoupled NPC-SAPF mathematical model is obtained. The globally asymptotically stable NPC-SAPF control system is built by choosing an appropriate Lyapunov candidate function and making sure that the function satisfies the required properties of Lyapunov stability theory. Compared with the classic proportional integral (PI) control method, the proposed control strategy has larger bandwidth and better compensation performance. The simulation results proved the validity of the proposed control strategy.

引用

页码：580 / 584

页数：5

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