分散型エネルギーシステムによる平時および非常時対応(<小特集>大震災から1年,今後の省エネルギー政策の方向性と節電の効果,第2回[省エネルギー,生活,「エネルギー学」三部会(LSE)セミナー])

概要

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The East Japan disaster induced much attention to distributed generation such as co-generation and renewable energies. It is because they can supply power independently even when the grid stops power distribution. On the other hand, distributed generation is expected to contribute to energy conservation under usual circumstance. This paper discusses the possibility of energy supply by only renewable energy for an apartment house with 100 households. Optimal share of distributed generation combined with the grid is also investigated from the viewpoint of city size. The result indicates that large or medium sized cities should have distributed generation which covers 30-50% of their peak demand. It is expected that such capacity of distributed generation can keep power supply for important users when the grid stops operation in an emergency.
2012-10-20