A Second-order Harmonic Current Reduction with a Fast Dynamic Response for a Two-stage Single-phase Grid-connected Inverter

被引：2

作者：

Jung, Hong-Ju ^{[1
]}

Kim, Rae-Young ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect & Biomed Engn, Seoul, South Korea

来源：

JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY | 2014年 / 9卷 / 06期

关键词：

Grid-connected inverter; Compensator design; Second-order harmonic current; Dynamic response; POWER-CONDITIONING SYSTEM; CURRENT RIPPLE REDUCTION; INPUT;

D O I：

10.5370/JEET.2014.9.6.1988

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：

In a single-phase grid-connected power system consisting of a DC/DC converter and a DC/AC converter, the current drawn from renewable energy sources has a tendency to be pulsated and contains second-order frequency ripple components, which results in several drawback such as a power harvesting loss and a shortening of the energy source's life. This paper presents a new second-order harmonic current reduction scheme with a fast dc-link voltage loop for two-stage dc-dc-ac grid connected systems. In the frequency domain, an adequate control design is performed based on the small signal transfer function of a two-stage dc-dc-ac converter. To verify the effectiveness of proposed control algorithm, a 1 kW hardware prototype has been built and experimental results are presented.

引用

页码：1988 / 1994

页数：7

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