A DC Hybrid Active Power Filter and Its Nonlinear Unified Controller Using Feedback Linearization

被引：24

作者：

Li, Gaoxiang ^{[1
]}

Luo, An ^{[1
]}

He, Zhixing ^{[1
]}

Ma, Fujun ^{[1
]}

Chen, Yandong ^{[1
]}

Wu, Wenhua ^{[1
]}

Zhu, Zhen ^{[1
]}

Guerrero, Josep M. ^{[2
]}

机构：

[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China

[2] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2021年 / 68卷 / 07期

关键词：

Active filters; Inverters; Power harmonic filters; Feedback linearization; Harmonic analysis; Power filters; Impedance; hybrid active power filter (HAPF); second-harmonic current (SHC); single-stage single-phase inverter;

D O I：

10.1109/TIE.2020.2996147

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In the current power system, the conversion between dc and ac is widely existing and the dc-side harmonic problem is prominent. To suppress the second-harmonic current at the dc side of a single-stage single-phase inverter, a dc hybrid active power filter (DC-HAPF) structure is presented, which composes of a bidirectional dc-dc circuit-based active power filter (APF) and a CL passive filter. In this article, the CL passive filter is used to mitigate the high-frequency harmonics and the APF is applied to compensate the low-frequency harmonic current. Meanwhile, the influence of the filter parameters on the harmonic suppression is analyzed based on the average switching model. In addition, for the control of the DC-HAPF, a nonlinear unified controller via feedback linearization is proposed, where the voltage and current dual-loop control is converted to a single-loop control of energy. By analyzing the control system stability and DC-HAPF's performance, appropriate control parameters are selected. To verify the feasibility of the proposed topology and control strategy, a 500-W single-stage single-phase inverter with the DC-HAPF is built and a good performance of the dc-side harmonic suppression has been achieved.

引用

页码：5788 / 5798

页数：11

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