Digital Control for a Three-Phase Transformerless Bi-directional Photovoltaic Inverter with Wide Inductance Variation

被引：0

作者：

Wu, T. -F. ^{[1
]}

Hsieh, Hui-Chung ^{[2
]}

机构：

[1] Natl Tsing Hua Univ, Dept Elect Engn, Elegant Power Elect Appl Res Lab EPEARL, Hsinchu, Taiwan

[2] Natl Chung Cheng Univ, Dept Elect Engn, Elegant Power Appliact Res Ctr, Chiayi, Taiwan

来源：

2013 1ST INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE (IFEEC 2013) | 2013年

关键词：

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a digital control taking into account wide inductance variation for a 3 psi transformerless bidirectional PV inverter in dc distribution applications. The proposed control, combining feedback and feedforward controls, is derived with an equivalent three-phase NPC circuit model (i.e., three single-phase inverters) and based on D-Sigma digital control, instead of the conventional space-vector approach and abc to dq transformation. Experimental results measured from a 3.3 kVA three-phase. bi-directional NPC inverter have been presented to confirm the proposed control approach.

引用

页码：658 / 662

页数：5

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