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公开(公告)号：US11121273B2
公开(公告)日：2021-09-14
申请号：US15960411
申请日：2018-04-23
Applicant: NEXTracker Inc.
Inventor： Alexander W. Au
IPC: H01L31/042 , F24S25/632 , F24S25/615 , H02S30/00 , H02S20/30 , F24S25/60
Abstract: A solar module configured in a frame assembly with multi-configuration attachment member(s), which has locking and unlocking characteristics.
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公开(公告)号：US20210211090A1
公开(公告)日：2021-07-08
申请号：US17147233
申请日：2021-01-12
Applicant: NEXTracker Inc.
Inventor： Madyan MICHOTTE DE WELLE , Jérôme ARLIAUD
IPC: H02S20/32 , F24S30/425 , G05D3/10
Abstract: 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：US10998849B2
公开(公告)日：2021-05-04
申请号：US15890934
申请日：2018-02-07
Applicant: NEXTracker Inc.
Inventor： Alexander W. Au
Abstract: In an example, the solar tracker has a clamp assembly configured to pivot a torque tube. In an example, the assembly has a support structure configured as a frame having configured by a first and second anchoring region. In an example, the support structure is configured from a thickness of metal material. In an example, the support structure is configured in an upright manner, and has a major plane region. In an example, the assembly has a pivot device configured on the support structure, a torque tube suspending on the pivot device and aligned within an opening of the support, and configured to be normal to the plane region. In an example, the torque tube is configured on the pivot device to move about an arc in a first direction or in a second direction such that the first direction is in a direction opposite to the second direction.
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公开(公告)号：US10903783B2
公开(公告)日：2021-01-26
申请号：US16748749
申请日：2020-01-21
Applicant: NEXTracker Inc.
Inventor： Jérôme Arliaud , Adrien Crucifix , Philippe Blanc
Abstract: 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：US10797635B2
公开(公告)日：2020-10-06
申请号：US16116238
申请日：2018-08-29
Applicant: NEXTracker Inc.
Inventor： Tyler Joseph Watson , Ricardo Delgado-Nanez
IPC: H01L31/042 , H02N6/00 , H02S30/20 , H02S20/30 , H02S30/10 , F24S25/60 , F24S25/634 , F24S25/65
Abstract: A solar module mounting bracket assembly includes a rail configured to support a solar module thereon, and a pair of braces. The braces each have a first end portion movably coupled to the rail. The braces are movable relative to the rail between a collapsed configuration and an expanded configuration. In the expanded configuration, the braces cooperatively define a channel dimensioned for receipt of a frame member.
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Patent Agency Ranking
公开(公告)号：US20200244216A1
公开(公告)日：2020-07-30
申请号：US16828699
申请日：2020-03-24
Applicant: NEXTracker Inc.
Inventor： Alexander W. AU
Abstract: In an example, the system has a mechanical isolator comprising an elastic material configured to separate the panel rail from the torque tube cause destructive interference with a natural resonant frequency of the system without the mechanical isolator to reduce a mechanical vibration of the system.
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公开(公告)号：US10651739B1
公开(公告)日：2020-05-12
申请号：US16284807
申请日：2019-02-25
Applicant: NEXTracker Inc.
Inventor： Chen Li , Yang Liu , Mohammad Salmaan Khan , Jonathan Kenzo Kamei , Sandeep Sanjiva Lele
IPC: H02M3/158 , G05F1/70 , H02M3/335 , H02S20/32 , H02P27/08 , H02S40/38 , H02J7/35 , H02S40/32 , G05F1/595 , H02M3/06
Abstract: A power converter converts a medium-voltage output from a solar module to an appropriate voltage to power a solar tracker system. The power converter includes a voltage divider having at least two legs, a first semiconductor switch subassembly coupled in parallel with a first leg of the voltage divider, and a second semiconductor switch subassembly coupled in parallel with a second leg of the voltage divider. In implementations, the signals for driving the semiconductor switches of the first and second semiconductor switch subassemblies may be shifted out of phase from each other. In implementations, if the bus voltages to the semiconductor switches are not balanced, the pulse width of the driving signal of the semiconductor switch supplied with the higher bus voltage is decreased for at least one cycle.
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公开(公告)号：US20200076358A1
公开(公告)日：2020-03-05
申请号：US16546181
申请日：2019-08-20
Applicant: NEXTracker Inc.
Inventor： Alexander W. AU
Abstract: In an example, a clamp assembly for a glass on glass solar module for a tracker is included. The assembly has a lower clamp structure characterized by a top-hat shaped rail structure having a length extending from a first end to a second end. In an example, the assembly has an upper clamp structure configured to sandwich a pair of edges of a pair of solar modules with a portion of the lower clamp structure. In an example, the assembly has a locking spacer configured to the pair of edges of the pair of solar modules. In an example, the pair of edges comprises substantially glass material. In an example, the assembly has a pair of key structures configured with the locking spacer. Each of the key structures is affixed to each of the solar modules to physically lock each of the solar modules to the upper clamp structure.
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公开(公告)号：US20190341878A1
公开(公告)日：2019-11-07
申请号：US15971522
申请日：2018-05-04
Applicant: NEXTracker Inc.
Inventor： Tyler Joseph Watson , Dennis Marvin Lawson , Thao Thanh Hoang , Paul Daniel Habib
Abstract: A solar module mounting bracket system including a plurality of solar modules including mounting slots formed in a sidewall of the solar module, a torque tube configured to support the solar modules such that they can be rotated, a plurality of mounting brackets configured for integration with the torque tube and to which the plurality of solar modules are mounted, at least one first retainer assembly connected to one of the plurality of mounting brackets, the first retainer assembly including a through bolt, a spring, a mounting tab, and nut. When a solar module is placed on the mounting bracket and supported by the torque tube the mounting tab retainer assembly is received in the mounting slot of the solar module.
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公开(公告)号：US20190296687A1
公开(公告)日：2019-09-26
申请号：US15933722
申请日：2018-03-23
Applicant: NEXTracker Inc.
Inventor： Jacob M. Morin , Stuart Upfill-Brown
Abstract: A solar system is provided and includes a solar array and a support structure configured to support the solar array. The support structure includes structural beam which includes an upper plate, a lower plate that is disposed opposite to the upper plate, a first side plate interposed between the upper and lower plates, and a second side plate interposed between the upper and lower plates and spaced apart from the first side plate. Each of the upper and lower plates is fixedly coupled to the first and second plates by a plurality of joints formed by clinching.
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