A DC micro-grid for superhigh-quality electric power distribution

作者: Hiroaki Kakigano , Yushi Miura , Toshifumi Ise , Ryohei Uchida

DOI: 10.1002/EEJ.20641

关键词:

摘要: The “DC Micro-grid” is a novel power system using DC distribution in order to provide superhigh-quality electric power. suitable for output distributed generation techniques such as photovoltaic and fuel cells, energy storage forms batteries double-layer capacitors. through line converted the required AC or voltage by converters placed near loads. load-side do not need transformers due choice of proper voltage. spread converter scheme helps assure high-quality supply. Even if short circuit occurs on one load side, it does affect other In this paper, we propose micro-grid configuration control methods storage. Computer simulation results demonstrate seamless operation during turn-on turn-off generation, transients at times connecting disconnecting with bulk system, stability against sudden large variations. © 2008 Wiley Periodicals, Inc. Electr Eng Jpn, 164(1): 34–42, 2008; Published online InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20641

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