| Experimental studies of fault location in PV module strings T Takashima, J Yamaguchi, K Otani, T Oozeki, K Kato, M Ishida Solar Energy Materials and Solar Cells 93 (6-7), 1079-1082, 2009 | 223 | 2009 |
| Solar spectral influence on the performance of photovoltaic (PV) modules under fine weather and cloudy weather conditions T Ishii, K Otani, T Takashima, Y Xue Progress in Photovoltaics: Research and Applications 21 (4), 481-489, 2013 | 140 | 2013 |
| A method of estimating the output fluctuation of many photovoltaic power generation systems dispersed in a wide area A Murata, H Yamaguchi, K Otani Electrical Engineering in Japan 166 (4), 9-19, 2009 | 113 | 2009 |
| Experimental studies of failure detection methods in PV module strings T Takashima, J Yamaguchi, K Otani, K Kato, M Ishida 2006 IEEE 4th World Conference on Photovoltaic Energy Conference 2, 2227-2230, 2006 | 108 | 2006 |
| Effects of solar spectrum and module temperature on outdoor performance of photovoltaic modules in round‐robin measurements in Japan T Ishii, K Otani, T Takashima Progress in Photovoltaics: Research and Applications 19 (2), 141-148, 2011 | 106 | 2011 |
| Study on areal solar irradiance for analyzing areally-totalized PV systems K Otani, J Minowa, K Kurokawa Solar Energy Materials and Solar Cells 47 (1-4), 281-288, 1997 | 102 | 1997 |
| Long‐term performance degradation of various kinds of photovoltaic modules under moderate climatic conditions T Ishii, T Takashima, K Otani Progress in Photovoltaics: Research and Applications 19 (2), 170-179, 2011 | 98 | 2011 |
| Performance analysis of PV panels based on different technologies after two years of outdoor exposure in Fukushima, Japan TS Ustun, Y Nakamura, J Hashimoto, K Otani Renewable energy 136, 159-178, 2019 | 76 | 2019 |
| An evaluation method of PV systems T Oozeki, T Izawa, K Otani, K Kurokawa Solar Energy Materials and Solar Cells 75 (3-4), 687-695, 2003 | 68 | 2003 |
| Impact of smart inverters on feeder hosting capacity of distribution networks TS Ustun, J Hashimoto, K Otani IEEE Access 7, 163526-163536, 2019 | 67 | 2019 |
| Advanced grid integration test platform for increased distributed renewable energy penetration in smart grids J Hashimoto, TS Ustun, M Suzuki, S Sugahara, M Hasegawa, K Otani IEEE Access 9, 34040-34053, 2021 | 64 | 2021 |
| Estimation of the maximum power temperature coefficients of PV modules at different time scales T Ishii, K Otani, T Takashima, S Kawai Solar energy materials and solar cells 95 (1), 386-389, 2011 | 63 | 2011 |
| An evaluation method of the fluctuation characteristics of photovoltaic systems by using frequency analysis N Kawasaki, T Oozeki, K Otani, K Kurokawa Solar Energy Materials and Solar Cells 90 (18-19), 3356-3363, 2006 | 62 | 2006 |
| A simplified methodology for estimating solar spectral influence on photovoltaic energy yield using average photon energy T Ishii, K Otani, A Itagaki, K Utsunomiya Energy Science & Engineering 1 (1), 18-26, 2013 | 52 | 2013 |
| Statistical analysis of the smoothing effect for photovoltaic systems in a large area T Oozeki, T Takashima, K Otani, Y Hishikawa, G Koshimizu, Y Uchida, ... IEEJ Transactions on Power and Energy 130 (5), 491-500, 2010 | 47 | 2010 |
| Change in I–V characteristics of thin‐film photovoltaic (PV) modules induced by light soaking and thermal annealing effects T Ishii, K Otani, T Takashima, K Ikeda Progress in Photovoltaics: Research and Applications 22 (9), 949-957, 2014 | 39 | 2014 |
| A method to estimate the output fluctuation of many photovoltaic power generation systems dispersed in a wide area A Murata, H Yamaguchi, K Otani IEEJ Transactions on Power and Energy 127 (5), 645-652, 2007 | 36 | 2007 |
| Evaluation of solar energy potential and PV module performance in the Gobi Desert of Mongolia A Adiyabat, K Kurokawa, K Otani, N Enebish, G Batsukh, M Battushig, ... Progress In Photovoltaics: Research And Applications 14 (6), 553-566, 2006 | 34 | 2006 |
| Liquid–vapor phase behavior and operating characteristics of the capillary evaporator of a loop heat pipe at start-up M Nishikawara, K Otani, Y Ueda, H Yanada International Journal of Thermal Sciences 129, 426-433, 2018 | 29 | 2018 |
| Evaluation of effective shading factor by fitting a clear-day pattern obtained from hourly maximum irradiance data D Uchida, K Otani, K Kurokawa Solar energy materials and solar cells 67 (1-4), 519-528, 2001 | 29 | 2001 |
