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태양광 패널 고장 진단기기를 위한 소자 특성 및 Mux 회로 제어 방법에 대한 연구
선용근(Seon Yong-Geun),신현진(Shin Hyun-Jin),최의성(Choi Eui-Seong),신우균(Shin Woo-Gyun),고석환(Ko Suk-Whan) 한국태양에너지학회 2020 한국태양에너지학회 논문집 Vol.40 No.6
In Korea, the annual installed PV capacity has increased over the years. However, the supply of photovoltaic panel fault diagnosis techniques for efficient management is stil insufficient. Thus, many research groups and companies have been developing photovoltaic panel fault diagnostic equipment to measure I-V characteristics (1500 VMax. and 50 AMax.) and calculate the power efficiency of photovoltaic panels to quickly detect faults. In these methods, the capacitor load is used to measure the I-V curve of the photovoltaic panel. In addition, a MOSFET is used for stable I-V measurement and Multiplexing, and a high sampling ADC is used for simultaneous and quick (6 s) multi-channel measurements.
태양광 패널 고장진단기기의 진단 정밀도 향상을 위한 ADC 노이즈 저감기술에 대한 연구
신현진(Shin Hyun-Jin),선용근(Seon Yong-Geun),최의성(Choi Eui-Seong),신우균(Shin Woo-Gyun),고석환(Ko Suk-Whan),지평식(Ji Pyeong-Shik) 한국태양에너지학회 2020 한국태양에너지학회 논문집 Vol.40 No.6
According to the IEA PVPS report, the global power of new photovoltaic plants in 2018 is approximately 100 GW. Large investments are expected to be made in photovoltaics in the future to improve these renewable energy sources. Photovoltaic generation is a structure that makes profits by selling power produced for 20 years, and the annual generation amount decreases by 0.7 to 0.8% every year. However, if the failure of solar panels is not detected at an early stage, their profitability cannot be guaranteed. To solve this problem, research on photovoltaic maintenance technology is required.