The AC Line Current Regulation Strategy for the Grid-Connected PV System

被引：66

作者：

Chen, Yaow-Ming ^{[1
]}

Wu, Hsu-Chin ^{[2
]}

Chen, Yung-Chu ^{[2
]}

Lee, Kung-Yen ^{[2
]}

Shyu, Shian-Shing ^{[3
]}

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[2] Natl Chung Cheng Univ, Dept Elect Engn, Chiayi 621, Taiwan

[3] Atom Energy Council, Inst Nucl Energy Res, Tao Yuan 32546, Taiwan

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2010年 / 25卷 / 01期

关键词：

AC line current regulation; dc-link voltage; grid-connected photovoltaic (GCPV) system; inverter; maximum power point tracking (MPPT); power quality; PHOTOVOLTAIC SYSTEM; FAILURE PREDICTION; INVERTER; TRACKING; METHODOLOGY;

D O I：

10.1109/TPEL.2009.2027238

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 ac line current regulation strategy for the grid-connected photovoltaic (GCPV) system is proposed in this paper. The power flow of the GCPV system and the operational principles of different ac line current regulation strategies are presented. In this paper, the optimal ac line current regulation is defined to be able to achieve dc-link voltage regulation in one 60 Hz ac mains cycle while minimizing the injected ac line current variation. The mathematical equations for the proposed optimal ac line current regulation strategy are derived thoroughly. The derived equations also explain the behavior of the dc-link voltage responding to the power variation of the GCPV system. As a result, the selection criteria of the dc-link capacitor can be established. Hardware experimental results have been presented to verify the validity of the proposed optimal ac line current regulation strategy.

引用

页码：209 / 218

页数：10

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