지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.10
- 수록면
- 1,448 - 1,456 (9page)
이용수
초록· 키워드
오류제보하기
This paper studies a model to diagnose efficiency reduction of inverter using Multilayer Perceptron(MLP). In this study, two inverter data which started operation at different day was used. A Multilayer Perceptron model was made to predict photovoltaic power data of the latest inverter. As a result of the model’s performance test, the Mean Absolute Percentage Error(MAPE) was 4.1034. The verified model was applied to one-year-old and two-year-old data after old inverter starting operation. The predictive power of one-year-old inverter was larger than the observed power by 724.9243 on average. And two-year-old inverter’s predictive value was larger than the observed power by 836.4616 on average. The prediction error of two-year-old inverter rose 111.5572 on a year. This error is 0.4% of the total capacity. It was proved that the error is meaningful difference by t-test. The error is predicted value minus actual value. Which means that PV system actually generated less than prediction. Therefore, increasing error is decreasing conversion efficiency of inverter. Finally, conversion efficiency of the inverter decreased by 0.4% over a year using this model.
목차
ABSTRACT
1. 서론
2. 관련 연구
3. 연구 방법
4. 실험 결과
5. 결론
REFERENCE
참고문헌 (25)
참고문헌 신청
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Y. Wu, Y. Ke, C. Xu, and L. Li, “An Integrated Decision-Making Model for Sustainable Photovoltaic Module Supplier Selection based on Combined Weight and Cumulative Prospect Theory,” Energy, Vol. 181, pp. 1235-1251, 2019.
Y. Wang, J. He, and W. Chen, “Distributed Solar Photovoltaic Development Potential and a Roadmap at the City Level in China,” Renewable and Sustainable Energy Reviews, Vol. 141, 110772, 2021.
D. Won, B. Lee, and H. Ju, “Analysis on Status and Trend of Supporting Policies for Renewable Energies,” J ournal of Korea Society of Innovation, Vol. 12, No. 3, pp. 83-115, 2017.
C. Park, “Study on the Obsolescence Forecasting Judgment of PV Systems Adapted Micro-Inverters,” Journal of Korea Multimedia Society, Vol. 18, No. 7, pp. 864-872, 2015.
Y. Wu, Y. Ke, C. Xu, and L. Li, “An Integrated Decision-Making Model for Sustainable Photovoltaic Module Supplier Selection based on Combined Weight and Cumulative Prospect Theory,” Energy, Vol. 181, pp. 1235-1251, 2019.
Y. Wang, J. He, and W. Chen, “Distributed Solar Photovoltaic Development Potential and a Roadmap at the City Level in China,” Renewable and Sustainable Energy Reviews, Vol. 141, 110772, 2021.
D. Won, B. Lee, and H. Ju, “Analysis on Status and Trend of Supporting Policies for Renewable Energies,” J ournal of Korea Society of Innovation, Vol. 12, No. 3, pp. 83-115, 2017.
C. Park, “Study on the Obsolescence Forecasting Judgment of PV Systems Adapted Micro-Inverters,” Journal of Korea Multimedia Society, Vol. 18, No. 7, pp. 864-872, 2015.
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