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A novel electric energy management strategy applied in hybrid PV system

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3 Author(s)
Hong-Chan Chang ; Department of Electrical Engineering, National Taiwan University of Science and Technology, No.43, Sec.4, Keelung Rd., Taipei, 106, (Taiwan) ; Li-Chien Huang ; Cheng-Chuan Chen

This paper presents a hybrid PV system operated in accordance with an electric energy management strategy for public lighting equipments in apartment buildings. We attempt to alternate PV with grid-connected power systems to avoid the occurrences of islanding, safe protection and the low reliability of power supply in standalone PV system through implementing the electric energy management strategy presented herein. The power conversion devices included in the proposed system contain buck-boost, push-pull, full-bridge inverter, switches and high-efficient digital signal controller as means of achieving MPPT, power charging and power system switching. A 100W experimental prototype of hybrid PV system was built in the lab. Experimental results are shown to verify the effectiveness of proposed energy management strategy.

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Date of Conference:

14-16 June 2010