Development of Power Supply System with Distributed Generators using Parallel Processing Method

Hirose Kenichi, Takeda Takashi, Okui Yoshiaki, Yukita Kazuto, Goto Yasuyuki, Ichiyanagi Katsuhiro, Matsumura Toshiro

doi:10.1541/ieejpes.129.1349

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Other Title

分散形電源導入系統におけるパラレルプロセッシング方式を用いた給電システムの開発
ブンサンガタデンゲンドウニュウケイトウニオケルパラレルプロセッシングホウシキオモチイタキュウデンシステムノカイハツ

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Description

This paper describes a novel power system which consists of distributed energy resources (DER) with a static switch at the point of common coupling. Usage of the static switch with a parallel processing control is a new application of line interactive type uninterruptible power supply (UPS). In recent years, various ways of design, operation, and control methods have been studied in order to find more effective ways to utilize renewable energy and to reduce impact for environment. One of features of a proposed power system can interconnect to existing utility grid without interruption. Electrical power distribution to the loads by the power system can be continued between the states of interconnection and isolate operation seamlessly. The novel power system has other benefits such as more efficiency, demand site management, easy to control power system inside, improvement of reliability for power distribution, the minimum requirement of protection relays for grid interconnection. The proposed power system has been operated with the actual loads of 20kW in the campus of the Aichi Institute of Technology since 2007.

Journal

IEEJ Transactions on Power and Energy

IEEJ Transactions on Power and Energy 129 (11), 1349-1356, 2009

The Institute of Electrical Engineers of Japan

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