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公开(公告)号：US11774539B2
公开(公告)日：2023-10-03
申请号：US17222742
申请日：2021-04-05
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
CPC分类号： G01S3/7861 , F24S50/20 , G05D3/105 , H02S20/10 , H02S20/32 , H02S40/20 , H02S50/00 , F24S2201/00 , Y02E10/47
摘要： A method for controlling the orientation of a single-axis solar tracker (1) orientable about an axis of rotation (A), said method repetitively completing successive control phases, where each control phase implements the following successive steps:
a) observing the cloud coverage above the solar tracker (1);
b) comparing the observed cloud coverage with cloud coverage models stored in a database, each cloud coverage model being associated to an orientation setpoint value of the solar tracker;
c) matching the observed cloud coverage with a cloud coverage model;
d) servo-controlling the orientation of the solar tracker by applying the orientation setpoint value associated to said cloud coverage model retained during step c).
The present invention finds application in the field of solar trackers.-
公开(公告)号：US11558009B2
公开(公告)日：2023-01-17
申请号：US17698815
申请日：2022-03-18
申请人： NEXTracker Inc.
IPC分类号： H02S20/32 , G05D3/10 , F24S30/425 , F24S50/20
摘要： Solar array (1) comprising solar modules (3) distributed in rows (10), each solar module comprising solar collector (5) carried by a single-axis solar tracker (4), a reference solar power plant (2) comprising a central reference solar module and at least one secondary reference solar module, and a piloting unit (7) adapted for: piloting the angular orientation of the central reference module according to a central reference orientation setpoint corresponding to an initial orientation setpoint, piloting the orientation of each secondary reference module according to a secondary reference orientation setpoint corresponding to the initial orientation setpoint shifted by a predefined offset angle; receiving an energy production value from each reference module; piloting the orientation of the modules, except for the reference modules, by applying the reference orientation setpoint associated to the reference module having the highest production value.
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公开(公告)号：US11296647B2
公开(公告)日：2022-04-05
申请号：US17147233
申请日：2021-01-12
申请人： NEXTracker Inc.
IPC分类号： H02S20/32 , G05D3/10 , F24S30/425 , F24S50/20
摘要： Solar array (1) comprising solar modules (3) distributed in rows (10), each solar module comprising solar collector (5) carried by a single-axis solar tracker (4), a reference solar power plant (2) comprising a central reference solar module and at least one secondary reference solar module, and a piloting unit (7) adapted for: piloting the angular orientation of the central reference module according to a central reference orientation setpoint corresponding to an initial orientation setpoint, piloting the orientation of each secondary reference module according to a secondary reference orientation setpoint corresponding to the initial orientation setpoint shifted by a predefined offset angle; receiving an energy production value from each reference module; piloting the orientation of the modules, except for the reference modules, by applying the reference orientation setpoint associated to the reference module having the highest production value.
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公开(公告)号：US10892704B2
公开(公告)日：2021-01-12
申请号：US16067939
申请日：2016-12-27
申请人： NEXTracker Inc.
IPC分类号： H02S20/23 , G05D3/10 , F24S30/425 , H02S20/32 , F24S50/20
摘要： Solar array including solar modules distributed in rows (10), each solar module having a solar collector carried by a single-axis solar tracker (4), a reference solar power plant including a central reference solar module and at least one secondary reference solar module, and a piloting unit adapted for: piloting the angular orientation of the central reference module according to a central reference orientation setpoint corresponding to an initial orientation setpoint, piloting the orientation of each secondary reference module according to a secondary reference orientation setpoint corresponding to the initial orientation setpoint shifted by a predefined offset angle; receiving an energy production value from each reference module; piloting the orientation of the modules, except for the reference modules, by applying the reference orientation setpoint associated to the reference module having the highest production value.
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公开(公告)号：US10852385B2
公开(公告)日：2020-12-01
申请号：US16067925
申请日：2016-12-27
申请人： NEXTracker Inc.
摘要： A method for controlling the orientation of a solar module including a single-axis solar tracker orientable about an axis of rotation, and a photovoltaic device supported by said tracker and having upper and lower photoactive faces, including: measurement of a distribution of the solar luminance called incident luminance originating from the incident solar radiation coming from the sky to reach the upper face, said distribution being established according to several elevation angles; measurement of a distribution of the solar luminance called reflected luminance originating from the albedo solar radiation corresponding to the reflection of the solar radiation on the ground to reach the lower face, said distribution being established according to several elevation angles; determination of an optimum orientation considering the measurements of said distributions of the incident and reflected solar luminance; servo-control of the orientation of the module on said optimum orientation.
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公开(公告)号：US10541644B2
公开(公告)日：2020-01-21
申请号：US15577428
申请日：2016-05-31
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
摘要： A method for controlling the orientation of a single-axis solar tracker orientable about an axis of rotation, including observing the evolution over time of the cloud coverage above the solar tracker; determining the evolution over time of an optimum inclination angle of the solar tracker substantially corresponding to a maximum of solar radiation on the solar tracker, depending on the observed cloud coverage; predicting the future evolution of the cloud coverage based on the observed prior evolution of the cloud coverage; calculating the future evolution of the optimum inclination angle according to the prediction of the future evolution of the cloud coverage; servo-controlling the orientation of the solar tracker according to the prior evolution of the optimum inclination angle and depending on the future evolution of the optimum inclination angle.
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公开(公告)号：US11327143B2
公开(公告)日：2022-05-10
申请号：US17223983
申请日：2021-04-06
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
摘要： A method for controlling the orientation of a single-axis solar tracker (1) orientable about an axis of rotation (A), said method repetitively completing successive control phases, where each control phase implements the following successive steps: a) observing the cloud coverage above the solar tracker (1); b) comparing the observed cloud coverage with cloud coverage models stored in a database, each cloud coverage model being associated to an orientation setpoint value of the solar tracker; c) matching the observed cloud coverage with a cloud coverage model; d) servo-controlling the orientation of the solar tracker by applying the orientation setpoint value associated to said cloud coverage model retained during step c). The present invention finds application in the field of solar trackers.
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公开(公告)号：US11196381B2
公开(公告)日：2021-12-07
申请号：US17187067
申请日：2021-02-26
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
摘要： A method for controlling the orientation of a single-axis solar tracker orientable about an axis of rotation, including observing the evolution over time of the cloud coverage above the solar tracker; determining the evolution over time of an optimum inclination angle of the solar tracker substantially corresponding to a maximum of solar radiation on the solar tracker, depending on the observed cloud coverage; predicting the future evolution of the cloud coverage based on the observed prior evolution of the cloud coverage; calculating the future evolution of the optimum inclination angle according to the prediction of the future evolution of the cloud coverage; servo-controlling the orientation of the solar tracker according to the prior evolution of the optimum inclination angle and depending on the future evolution of the optimum inclination angle.
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公开(公告)号：US10684348B2
公开(公告)日：2020-06-16
申请号：US15739667
申请日：2016-06-30
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
摘要： A method for controlling the orientation of a single-axis solar tracker orientable about an axis of rotation, the method repetitively completing successive control phases, where each control phase implements the following successive steps: observing the cloud coverage above the solar tracker; comparing the observed cloud coverage with cloud coverage models stored in a database, each cloud coverage model being associated to an orientation setpoint value of the solar tracker; matching the observed cloud coverage with a cloud coverage model; servo-controlling the orientation of the solar tracker by applying the orientation setpoint value associated to said cloud coverage model retained during step c).
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公开(公告)号：US11387774B2
公开(公告)日：2022-07-12
申请号：US17157989
申请日：2021-01-25
申请人： NEXTracker Inc.
发明人： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
摘要： A method for controlling the orientation of a single-axis solar tracker (1) orientable about an axis of rotation (A), said method implementing the following steps: a) observing the evolution over time of the cloud coverage above the solar tracker (1); b) determining the evolution over time of an optimum inclination angle of the solar tracker (1) substantially corresponding to a maximum of solar radiation on the solar tracker (1), depending on the observed cloud coverage; (c) predicting the future evolution of the cloud coverage based on the observed prior evolution of the cloud coverage; d) calculating the future evolution of the optimum inclination angle according to the prediction of the future evolution of the cloud coverage; e) servo-controlling the orientation of the solar tracker (1) according to the prior evolution of the optimum inclination angle and depending on the future evolution of the optimum inclination angle. The present invention finds application in the field of solar trackers.
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