Study of AC/DC power supply system with DGs using parallel processing method

Author

Yukita, K. ; Shimizu, Y. ; Goto, Y. ; Yoda, M. ; Ueda, A. ; Ichiyanagi, K. ; Hirose, K. ; Takeda, T. ; Ota, T. ; Okui, Y. ; Takabayashi, H.

Author_Institution

Aichi Inst. of Technol., Toyota, Japan

fYear

2010

fDate

21-24 June 2010

Firstpage

722

Lastpage

725

Abstract

This paper proposes a new AC/DC power supply system with DGs using the parallel processing method. The purpose of this system is to supply the power without connecting to the utility gird. The DGs consist of photovoltaic (PV) and wind generators (WG), and the main energy source of this system is the DGs and the UPS battery. When the system does not get enough energy from the DGs, and the power supply of the battery runs out, this system connects to the utility grid and begins to charge the battery and supply to the load. In this study, we focused on the AC power supply and DC power supply from DGs. Then, the converter of DGs uses two kinds of DC/DC type and DC/AC type. Also, the load uses two kinds of DC load and AC load. The proposed the power system has been operated with the actual loads of 20 kW in the campus of the Aichi Institute of Technology.

Keywords

distributed power generation; photovoltaic power systems; power supplies to apparatus; uninterruptible power supplies; wind power plants; AC power supply; AC/DC power supply system; UPS battery; distributed generation; parallel processing method; photovoltaic power; power 20 kW; wind generators; Analog-digital conversion; Batteries; Joining processes; Parallel processing; Photovoltaic systems; Power supplies; Power systems; Solar power generation; Uninterruptible power systems; Wind energy generation; DC load; DGs; Micro Grid; P.P. UPS;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Conference (IPEC), 2010 International

Conference_Location

Sapporo

Print_ISBN

978-1-4244-5394-8

Type

conf

DOI

10.1109/IPEC.2010.5544599

Filename

5544599