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Improved Operating Method of Utility Interactive PV System for Peak Power Cut Effect  

Kim, Young-Sik (건국대 전기공학과)
Bayasgalan, Dugarjav (건국대 전기공학과)
Heo, Hye-Seong (포스콘)
Choe, Gyu-Ha (건국대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.14, no.5, 2009 , pp. 415-422 More about this Journal
Abstract
This paper describes the UIPV(Utility Interactived Photovoltaic) system which can improve the peak-cut effect by adding energy storage device of batteries to the power converter. The proposed system has three possible operation modes depending on relative condition of PV output, which can have the power shaping function covering the peak power for 3 hours. A new power circuit and application algorithm has been applied to UIPV system which is based on working PV system during 3-hour peak time. The energy relationship by the proposed system is analyzed theoretically and experimentally. Also the proposed system is evaluated at the viewpoint of cost and total spacing, which enables the proposed UIPV system to have the reduction of the peak power demand and hence to improve.
Keywords
UIPV(Utility Interactived Photovoltaic); Peak-cut Effect; Peak-tim; Battery;
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  • Reference
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