Study on Coastal Wind Powered Light System as an Example of Local Energy Utilization

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  • 現地利用型エネルギー活用をめざした沿岸風力照明システムの検討
  • ゲンチ リヨウガタ エネルギー カツヨウ オ メザシタ エンガン フウリョク ショウメイ システム ノ ケントウ

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Abstract

This paper introduced an optimal design of coastal wind-powered lights and battery system with consideration of topographical and time variation of wind characteristics by means of a field test and numerical simulations, as one typical example of on-site wind power utilization. Field test was conducted at the Kurihama-Coast faced to the entrance of the Tokyo-bay. The experimental system with a 12W powered light was set to operate daily 6 hours after sunset. Wind velocity and direction at the three points, light on-off signal, electric power generation rate, and battery voltage corresponding to the stored electric power were recorded continuously for eight months without interruption. Three dimensional wind characteristics were numericaly simulated to estimate topographical wind distribution.

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