Grid-Connected Photovoltaic System With Power Factor Correction

Author

Lo, Yu-Kang ; Lee, Ting-Peng ; Wu, Kuan-Hung

Author_Institution

Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei

Volume

55

Issue

5

fYear

2008

fDate

5/1/2008 12:00:00 AM

Firstpage

2224

Lastpage

2227

Abstract

A combined grid-connection/power-factor-correction technique for a photovoltaic (PV) system is proposed in this letter. A maximum power point tracking dc/dc converter served as a charger for the battery bank. A bidirectional inverter is applied as a generator/discharger during daytime, supplying power to the load. The inverter can also be used as a charger to maintain the minimum required voltage level of the batteries when the PV power is insufficient. Experiments on a 1-kW PV system show satisfactory results of the power management and the unity power factor at the utility side.

Keywords

DC-DC power convertors; battery chargers; photovoltaic power systems; power factor correction; power system interconnection; battery bank charger; bidirectional inverter; grid-connected photovoltaic system; maximum power point tracking dc/dc converter; power 1 kW; power factor correction; power management; Grid connection; grid-connection; photovoltaic (PV) system; photovoltaic system; power factor (PF) correction; power factor correction;

fLanguage

English

Journal_Title

Industrial Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0278-0046

Type

jour

DOI

10.1109/TIE.2008.921204

Filename

4475435