대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2009년도 춘계학술대회 논문집 에너지변화시스템부문
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- Pages.228-230
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- 2009
단상 계통연계 태양광 인버터용 L-C-L 필터 설계 및 분석
Study and Design of L-C-L Filter for Single-Phase Grid-Connected PV Inverter
- Cha, Han-Ju (Department of Electrical Engineering, Chungnam National University) ;
- Vu, Trung-Kien (Department of Electrical Engineering, Chungnam National University)
- 발행 : 2009.04.23
초록
Nowadays, the LCL-filter type becomes an attractive grid interfacing for grid-connected Voltage Source Inverter (VSI). LCL-filter can render the current harmonics attenuation around the switching frequency by using smaller inductance than L-filter. This paper presents a study about the LCL-filter design for single-phase grid-connected inverter in Photovoltaic (PV) system. According to the expected current ripple, the inductances of the filter can be determined. Based on the absorbed reactive power on capacitor, the capacitance can be calculated. Due to the theoretical analysis, a LCL-filter based single phase grid connected inverter control system are simulated. The studied simulation results are given to validate the theoretical analysis.
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