公开(公告)号：US12230725B2

公开(公告)日：2025-02-18

申请号：US17840336

申请日：2022-06-14

Applicant: Nextracker LLC

Inventor： Alexander W. Au

IPC: H01L31/052 ,  F24S25/10 ,  F24S25/70 ,  F24S30/00 ,  F24S30/425 ,  H02S20/32

Abstract: In an example, the present invention provides a solar tracker apparatus. In an example, the apparatus comprises a center of mass with an adjustable hanger assembly configured with a clam shell clamp assembly on the adjustable hanger assembly and a cylindrical torque tube comprising a plurality of torque tubes configured together in a continuous length from a first end to a second end such that the center of mass is aligned with a center of rotation of the cylindrical torque tubes to reduce a load of a drive motor operably coupled to the cylindrical torque tube. Further details of the present example, among others, can be found throughout the present specification and more particularly below.

公开(公告)号：US12228662B2

公开(公告)日：2025-02-18

申请号：US17742247

申请日：2022-05-11

Applicant: Nextracker LLC

Inventor： Alexander W. Au

IPC: G01S3/786 ,  F16C11/04 ,  F16C23/10 ,  F16C25/02 ,  F16H19/08 ,  F24S25/10 ,  F24S30/00 ,  F24S30/425 ,  H02S20/10 ,  H02S20/32

Abstract: In an example, the present invention provides a solar tracker apparatus configured with an off-set drive assembly. In an example, the apparatus has an inner race structure, which has a cylindrical region coupled to a main body region, the main body comprising an off-set open region. The cylindrical region is an annular sleeve structure coupled to the main body region, which occupies the spatial region within the cylindrical region. In an example, the apparatus has an outer race structure coupled to enclose the inner race structure, configured to couple the inner race structure to allow the inner race structure to move in a rotational manner about a spatial arc region; and configured to allow the inner race structure to pivot about a region normal to a direction of the spatial arc region. In an example, the solar tracker has a clamp assembly that is configured to pivot a torque tube.

公开(公告)号：US12218625B2

公开(公告)日：2025-02-04

申请号：US18126841

申请日：2023-03-27

Applicant: Nextracker LLC

Inventor： Alexander W. Au

IPC: H02S20/32 ,  F16L3/02 ,  F16M13/02 ,  F24S25/10 ,  F24S25/70 ,  F24S30/425 ,  H02S20/00 ,  F24S30/00

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.

公开(公告)号：US12158289B2

公开(公告)日：2024-12-03

申请号：US18365614

申请日：2023-08-04

Applicant: NEXTracker LLC

Inventor： Yu Dong Ma ,  Yang Liu ,  Francesco Borrelli ,  Allan Daly ,  Ricardo Delgado-Nanez ,  Alexander W. Au

IPC: F24S30/422 ,  F24S25/10 ,  F24S30/425 ,  F24S20/00 ,  F24S30/00 ,  H02S20/10

Abstract: A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

公开(公告)号：US11881534B2

公开(公告)日：2024-01-23

申请号：US18087310

申请日：2022-12-22

Applicant: Nextracker LLC

Inventor： Alexander W. Au

IPC: H01L31/042 ,  F24S25/632 ,  F24S25/615 ,  H02S30/00 ,  H02S20/30 ,  F24S25/60

CPC classification number: H01L31/042 ,  F24S25/615 ,  F24S25/632 ,  H02S20/30 ,  H02S30/00 ,  F24S2025/6001 ,  F24S2025/6006 ,  Y02E10/50

Abstract: A solar module configured in a frame assembly with multi-configuration attachment member(s), which has locking and unlocking characteristics.

公开(公告)号：US11739986B2

公开(公告)日：2023-08-29

申请号：US17185916

申请日：2021-02-25

Applicant: Nextracker LLC.

Inventor： Yu Dong Ma ,  Yang Liu ,  Francesco Borrelli ,  Allan Daly ,  Ricardo Delgado-Nanez ,  Alexander W. Au

IPC: F24S30/422 ,  F24S25/10 ,  F24S30/425 ,  H02S20/10 ,  F24S20/00 ,  F24S30/00

CPC classification number: F24S30/422 ,  F24S25/10 ,  F24S30/425 ,  F24S2020/16 ,  F24S2030/136 ,  F24S2030/19 ,  H02S20/10

Abstract: A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

公开(公告)号：US11955923B2

公开(公告)日：2024-04-09

申请号：US17404640

申请日：2021-08-17

Applicant: Nextracker LLC

Inventor： Ricardo Delgado-Nanez ,  Jacob Mark Morin ,  Alexander W. Au ,  Samuel Heller

IPC: H02S20/00 ,  H02S20/10 ,  H02S20/32

CPC classification number: H02S20/32 ,  H02S20/10

Abstract: A solar tracker including at least one pair of piers configured to be secured in the ground and defining a span between the pair, a bearing supported on the pier, and a torque tube supported in the bearing such that the bearing enables rotation of the torque tube, the torque tube including a double wall thickness area, wherein the double wall thickness area limits deflection of the torque tube along the span.

公开(公告)号：US11949370B2

公开(公告)日：2024-04-02

申请号：US17475011

申请日：2021-09-14

Applicant: Nextracker LLC

Inventor： Phani Kumar ,  Abhimanyu Sable ,  Jitendra Morankar ,  Alexander W. Au ,  David Kresse

IPC: H02S30/10 ,  F16M11/20 ,  H02S20/32

CPC classification number: H02S30/10 ,  F16M11/2021 ,  H02S20/32

Abstract: A pier for a solar tracking system includes a bearing housing assembly, a frame, the frame defining an A-profile having a pair of legs and a crown at a center portion thereof, and a mounting bracket, the mounting bracket coupled to a portion of the crown of the frame at a first portion thereof and coupled to a portion of the bearing housing assembly at a second portion thereof.

公开(公告)号：US11907000B2

公开(公告)日：2024-02-20

申请号：US17601921

申请日：2020-05-04

Applicant: NEXTracker LLC

Inventor： Yang Liu ,  Alexander W. Au ,  Fei Gu

IPC: G05F1/67 ,  H02J3/38 ,  H02J7/35

CPC classification number: G05F1/67 ,  H02J3/381 ,  H02J7/35 ,  H02J2207/20 ,  H02J2300/26

Abstract: Solar power systems and methods utilize DC power transmission and centralized power inversion. The solar power systems include a photovoltaic (PV) bus system and a fixed bus system. The PV system utilizes a control mode handoff control method, which includes determining that a local maximum power point tracking (MPPT) control is enabled; in response to determining that the local MPPT control is enabled, starting an MPPT mode timer; performing local MPPT; determining that the MPPT mode timer is greater than a predetermined period; and, in response to determining that the MPPT mode timer is greater than a predetermined period, handing off MPPT control to the next MPPT controller. The distributed MPPT control method may include sequential MPPT control, adaptive ΔV MPPT control, and/or power limiting control. The fixed bus system includes PV string-level MPPT controllers and a fixed DC input central inverter or multiple fixed DC modular inverters.