1. [1] D.C. Jordan, et al.: “Performance and aging of a 20-year-old silicon PV system,” IEEE J. Photovolt. 5 (2015) 744 (DOI: 10.1109/JPHOTOV.2015.2396360).
2. [2] W. Luo, et al.: “Analysis of the long-term performance degradation of crystalline silicon photovoltaic modules in tropical climates,” IEEE J. Photovolt. 9 (2019) 266 (DOI: 10.1109/JPHOTOV.2018.2877007).
3. [3] A. Blakers: “Development of the PERC solar cell,” IEEE J. Photovolt. 9 (2019) 629 (DOI: 10.1109/JPHOTOV.2019.2899460).
4. [4] PV module data (2020) https://solarbusinesshub.com/2019/04/21/total-installed-solar-pv-capacity-exceeded-500-gw-globally-in-2018-iea-pvps-report-finds/.
5. [5] N. Kumar, et al.: “Integration of solar PV with low-voltage weak grid system: using maximize-M Kalman filter and self-tuned P&O algorithm,” IEEE Trans. Ind. Electron. 66 (2019) 9013 (DOI: 10.1109/TIE.2018.2889617).