Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2009.07a
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- Pages.1064_1065
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- 2009
Optimization technique of POS MPPT operational characteristics for grid-connected PV generation system
계통 연계형 태양광발전시스템을 위한 POS MPPT 운전특성 최적화 기법
- Park, Sang-Soo (Changwon National University) ;
- Kim, Sang-Yong (Changwon National University) ;
- Jang, Seong-Jae (Changwon National University) ;
- Kim, Gyeong-Hun (Changwon National University) ;
- Seo, Hyo-Ryong (Changwon National University) ;
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Park, Min-Won
(Changwon National University)
;
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Yu, In-Keun
(Changwon National University)
- Published : 2009.07.14
Abstract
PV (Photovoltaic) power generation system has been widely studied as a clean and renewable power source. Tracking the MPP (maximum power point) of a PV array is usually an essential part of a PV system. This paper describes POS (Photovoltaic Output Sensorless) MPPT method and optimization technique of its operational characteristics for grid-connected PV generation system. A DC-DC converter has been used to step-up the PV voltage and DC-AC converter has been used for connecting the system to the grid. Optimization technique has been implemented to optimize the current and voltage controller gain parameters and duty ratio increment of DC-DC converter. Simulation results reveal that the proposed control has better response.
Keywords