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Development of LED Street Lighting Controller for Wind-Solar Hybrid Power System
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 Title & Authors
Development of LED Street Lighting Controller for Wind-Solar Hybrid Power System
Lee, Yong-Sik; Gim, Jae-Hyeon;
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This paper presents the design and implementation of a wind-solar hybrid power system for LED street lighting and an isolated power system. The proposed system consists of photovoltaic modules, a wind generator, a storage system (battery), LED lighting, and the controller, which can manage the power and system operation. This controller has the functions of maximum power point tracking (MPPT) for the wind and solar power, effective charging/discharging for the storage system, LED dimming control for saving energy, and remote data logging for monitoring the performance and maintenance. The proposed system was analyzed in regard to the operation status of the hybrid input power and the battery voltage using a PSIM simulation. In addition, the characteristics of the proposed system's output were analyzed through experimental verification. A prototype was also developed which uses 300[W] of wind power, 200[W] of solar power, 60[W] LED lighting, and a 24[V]/80[Ah] battery. The control system principles and design scheme of the hardware and software are presented.
Wind-Solar hybrid power system (WS-HPS);LED street lighting;Battery charge-discharge;Dimming control;
 Cited by
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