Study of high-efficiency photovoltaic grid-connected micro-inverter control strategy

Author

Chunhua Wu ; Diqing Zhou ; Li Fu

Author_Institution

Mech. & Electron. Eng. Coll., Shanghai Univ., Shanghai, China

fYear

2012

fDate

18-20 Sept. 2012

Firstpage

1

Lastpage

5

Abstract

Based on photovoltaic (PV) grid-connected micro-inverter an optimized sine-wave control strategy is proposed in this paper and the high efficiency, small volume and low harmonious micro-inverter is achieved. Furthermore harmonic issues under quasi-resonant ZVS mode with flyback inverter and current source grid-connected are analysed in depth to realize grid-connected power generation with high efficiency and high quality energy. Finally, validity and feasibility of the proposed control strategy is proved by experimental results.

Keywords

invertors; photovoltaic power systems; power generation control; power grids; current source grid-connected; flyback inverter; grid-connected power generation; high quality energy; high-efficiency photovoltaic grid-connected microinverter control strategy; optimized sine-wave control strategy; quasiresonant ZVS mode; Flyback transformers; Inverters; Modulation; Photovoltaic systems; Power quality; Windings; grid-connected; micro-inverter; quasi-resonant;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Engineering and Automation Conference (PEAM), 2012 IEEE

Conference_Location

Wuhan

Print_ISBN

978-1-4577-1599-0

Type

conf

DOI

10.1109/PEAM.2012.6612438

Filename

6612438