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Autor:
Lappalainen, K., Valkealahti, S.
8th World Conference on Photovoltaic Energy Conversion; 1354-1358
Due to the cloud enhancement (CE) phenomenon, irradiance on partly cloudy days can considerably exceed the expected clear sky irradiance. Although CE is a well-known phenomenon, i
Due to the cloud enhancement (CE) phenomenon, irradiance on partly cloudy days can considerably exceed the expected clear sky irradiance. Although CE is a well-known phenomenon, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3087546bd9153f6c6bf463b0124db7ae
https://trepo.tuni.fi/handle/10024/144767
https://trepo.tuni.fi/handle/10024/144767
Autor:
Lappalainen, K., Valkealahti, S.
37th European Photovoltaic Solar Energy Conference and Exhibition; 1501-1505
Under uniform operating conditions, a photovoltaic (PV) array has only one maximum power point (MPP) and successful MPP tracking is simple to implement. However, under
Under uniform operating conditions, a photovoltaic (PV) array has only one maximum power point (MPP) and successful MPP tracking is simple to implement. However, under
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d687b0f29cebc349e64f3d5466b82b60
https://trepo.tuni.fi/handle/10024/130779
https://trepo.tuni.fi/handle/10024/130779
37th European Photovoltaic Solar Energy Conference and Exhibition; 1506-1511
Current-voltage curve measurements are a potential tool for efficient monitoring and diagnosis of photovoltaic (PV) panels and systems. To determine indicators of aging
Current-voltage curve measurements are a potential tool for efficient monitoring and diagnosis of photovoltaic (PV) panels and systems. To determine indicators of aging
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b33f1ca541d65fcd60cd4b40a0c33e9a
https://trepo.tuni.fi/handle/10024/130023
https://trepo.tuni.fi/handle/10024/130023
Autor:
Järvelä, M., Valkealahti, S.
36th European Photovoltaic Solar Energy Conference and Exhibition; 1549-1553
PV generator cannot always operate on its maximum power point. This can be due to large DC-to-AC power ratio, overirradiance events or grid-code compliance. The PV gene
PV generator cannot always operate on its maximum power point. This can be due to large DC-to-AC power ratio, overirradiance events or grid-code compliance. The PV gene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2855dbc484f82d4aad48d52582d2f846
35th European Photovoltaic Solar Energy Conference and Exhibition; 1964-1968
Due to the cloud enhancement (CE) phenomenon, global horizontal irradiance can exceed the clear sky irradiance value. Enhanced irradiance areas are formed when photons
Due to the cloud enhancement (CE) phenomenon, global horizontal irradiance can exceed the clear sky irradiance value. Enhanced irradiance areas are formed when photons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16b990ff5f6cc7b24c0eda7e5ad62c4c
Autor:
Lappalainen, K., Valkealahti, S.
35th European Photovoltaic Solar Energy Conference and Exhibition; 1647-1651
The operation of partially shaded photovoltaic (PV) systems have been studied by many research groups during the past decades; mostly using the well-known one-diode mod
The operation of partially shaded photovoltaic (PV) systems have been studied by many research groups during the past decades; mostly using the well-known one-diode mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::493f6aff120339efcc6783e98c36d44c
Autor:
Lappalainen, K., Valkealahti, S.
33rd European Photovoltaic Solar Energy Conference and Exhibition; 1973-1977
Many research groups have studied the operation of partially shaded photovoltaic (PV) systems during the past decades, and the well-known one-diode model of a PV cell h
Many research groups have studied the operation of partially shaded photovoltaic (PV) systems during the past decades, and the well-known one-diode model of a PV cell h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fecd87b69b3ea242a1847412f624a4c8
Autor:
Lappalainen, K., Valkealahti, S.
32nd European Photovoltaic Solar Energy Conference and Exhibition; 1485-1489
Irradiance transitions caused by moving clouds can have considerable negative effects on the operation of photovoltaic (PV) systems. They may lead to failures in maximu
Irradiance transitions caused by moving clouds can have considerable negative effects on the operation of photovoltaic (PV) systems. They may lead to failures in maximu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4eb3eea1c17e4d8517f547ec5c15130
Autor:
Schnabel, J., Valkealahti, S.
31st European Photovoltaic Solar Energy Conference and Exhibition; 2185-2189
Photovoltaic generators (PVG) suffer from short-term intermittency of output power. With significant penetration of PV this intermittency can lead to power systems inst
Photovoltaic generators (PVG) suffer from short-term intermittency of output power. With significant penetration of PV this intermittency can lead to power systems inst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ec4a9c038e2db56f547c1529e7228a8