公开(公告)号：US20240097615A1

公开(公告)日：2024-03-21

申请号：US18520763

申请日：2023-11-28

申请人： Huawei Digital Power Technologies Co., Ltd.

发明人： Yanzhong ZHANG ,  Zhiwu XU ,  Chongyue HUANG

IPC分类号： H02S40/32 ,  H02J3/38 ,  H02S10/00

CPC分类号： H02S40/32 ,  H02J3/38 ,  H02S10/00 ,  H02J2300/24

摘要： A photovoltaic power generation system includes a single-stage inverter, an anti-backflow circuit, a photovoltaic string, and a coupling capacitor. The anti-backflow circuit is connected to one input end of the single-stage inverter, one output end of the photovoltaic string is connected to the other input end of the single-stage inverter, and the other output end of the photovoltaic string is connected to the anti-backflow circuit. The photovoltaic string includes a buck optimizer and a photovoltaic panel. The anti-backflow circuit is configured to prevent a backflow current from flowing back to the photovoltaic string. The coupling capacitor is connected in parallel to two ends of the anti-backflow circuit and is configured to transmit a signal between each buck optimizer in the photovoltaic string and the single-stage inverter, to control backflow of the backflow current when the anti-backflow circuit fails.

公开(公告)号：US11870390B2

公开(公告)日：2024-01-09

申请号：US17588762

申请日：2022-01-31

申请人： Raymond Hoheisel ,  Andreas Heller

发明人： Raymond Hoheisel ,  Andreas Heller

IPC分类号： H01L31/042 ,  H02S10/00 ,  H02S40/20 ,  H02S40/42 ,  H02S40/22 ,  H02J50/30 ,  G02B5/10 ,  H02S30/00

CPC分类号： H02S40/22 ,  G02B5/10 ,  H02J50/30 ,  H02S30/00

摘要： A free-space optical power beaming device may be configured to receive a light beam from an external source. The device may include a plurality of photovoltaic elements configured to convert light to electrical energy; a plurality of electrical charge storage elements, and a light reflector element configured to reflect a light beam toward one or more of the plurality of photovoltaic elements. Each electrical charge storage element may be coupled with at least of one of the plurality of photovoltaic elements and configured to store electrical energy output from the at least one of the plurality of photovoltaic elements. In some aspects a set of the plurality of photovoltaic elements may be configured in a tilted manner. In other aspects the light reflector element may be steerable to reflect a light beam toward one or more of the plurality of photovoltaic elements to provide a desired time-averaged light intensity distribution.

公开(公告)号：US20230283222A1

公开(公告)日：2023-09-07

申请号：US18317404

申请日：2023-05-15

申请人： Parasol Structures Inc.

发明人： Francois Attal ,  Brian Cuff ,  Hikaru Iwasaka ,  Alexander Keller

IPC分类号： H02S20/10 ,  H02S30/10 ,  H02S40/22 ,  H02S40/34 ,  H01L31/068 ,  H02S10/00 ,  E04B1/18 ,  E04H6/02 ,  F24S25/61 ,  F24S25/63 ,  F24S25/12

CPC分类号： H02S20/10 ,  H02S30/10 ,  H02S40/22 ,  H02S40/34 ,  H01L31/0684 ,  H02S10/00 ,  E04B1/18 ,  E04H6/025 ,  F24S25/61 ,  F24S25/63 ,  F24S25/12 ,  F24S2025/6003

摘要： Various embodiments of mounting structures for solar photovoltaic (PV) modules and methods for constructing such mounting structures are described. A mounting structure is usable to secure PV modules in portrait orientation or landscape orientation. PV modules are secured to PV module support rails, which may be secured to purlins of a mounting structure using clamps. In some embodiments, self-adhesive grounding patches are used to establish electrical grounding paths in various embodiments of mounting structure.

公开(公告)号：US11728724B2

公开(公告)日：2023-08-15

申请号：US17017998

申请日：2020-09-11

申请人： Solaredge Technologies Ltd.

发明人： David Braginsky ,  Ilan Yoscovich ,  Tzachi Glovinsky

IPC分类号： H02M7/49 ,  H02M7/44 ,  H02M1/32 ,  H02S40/36 ,  H02H7/20 ,  H02M7/06 ,  H02S10/00 ,  H02J7/00 ,  H02J3/46 ,  H02J3/38 ,  H02J1/08 ,  H02M3/158 ,  H02M7/5387 ,  H02M1/00

CPC分类号： H02M1/32 ,  H02H7/20 ,  H02J3/381 ,  H02J3/466 ,  H02J7/0025 ,  H02M7/06 ,  H02M7/44 ,  H02M7/49 ,  H02S10/00 ,  H02S40/36 ,  H02H7/205 ,  H02J1/08 ,  H02J3/38 ,  H02J7/0013 ,  H02J7/0016 ,  H02J7/0063 ,  H02J2300/24 ,  H02J2300/26 ,  H02J2300/30 ,  H02M1/0077 ,  H02M1/325 ,  H02M3/158 ,  H02M3/1582 ,  H02M7/5387 ,  Y02E10/56 ,  H02H3/16 ,  H02J9/00

摘要： A method for a power system having a string of a plurality of power sources connected across a power device includes connecting a plurality of safe voltage units having safety switches connected respectively across each of the power sources. The method includes sensing a plurality of parameters of the power sources, and monitoring for a signal transmitted from the power device. Each of the safety switches is activated to be OFF responsive to detecting the signal within a predetermined time period. Upon not detecting the signal from the power device within the predetermined time period, a safe mode of operation of the power system is entered in which the voltages of each of the power sources is reduced to a voltage level less than a predetermined voltage level by turning the safety switches ON.

公开(公告)号：US11575347B1

公开(公告)日：2023-02-07

申请号：US17938855

申请日：2022-10-07

申请人： Imam Abdulrahman Bin Faisal University

发明人： Fahad G. Al-Amri

IPC分类号： H01L31/042 ,  H02S10/00 ,  H02S40/20 ,  H02S40/42 ,  H02S40/22 ,  H01L31/0725 ,  H01L31/054 ,  H01L31/0687 ,  H02S20/32

摘要： A method of passive cooling for a high concentrating photovoltaic, the high concentrating photovoltaic, includes a photovoltaic receiver, a parabolic dish reflector and a plurality of thermally conductive heat pipes having a direct thermal contact between the receiver and the reflector to transfer excessive heat. The method includes receiving sunlight by the parabolic dish reflector, reflecting the sunlight towards the photovoltaic receiver that converts the sunlight into electricity and heat, transferring the heat through the thermally conductive heat pipes and absorbing the heat by the reflector serving a dual purpose as a heat sink. A reduction in weight and cost is accomplished by incorporating the flat heat pipes.

公开(公告)号：US20230031025A1

公开(公告)日：2023-02-02

申请号：US17789238

申请日：2020-11-25

申请人： LG INNOTEK CO., LTD.

发明人： Soo San KIM ,  Seung Min LEE ,  Jae Yeop JUNG

IPC分类号： H02J3/38 ,  H02J7/35 ,  H02M1/15 ,  H02M1/00 ,  H02J7/34 ,  H02S10/00

摘要： A photovoltaic power generation system according to an embodiment of the present invention comprises: a first converter for converting and outputting power applied from a photovoltaic power generation panel; a second converter for receiving, via a first input/output terminal, the power output by the first converter, converting same, and outputting same via a second input/output terminal, or receiving power from the second input/output terminal, converting same, and outputting same via the first input/output terminal; a third converter for receiving power from the first converter or the second converter and charging an energy storage device, or transmitting power charged in the energy storage device to the second converter; and an active power filter for reducing ripples in the second converter, wherein power stored in the active power filter is transmitted to the first converter.

公开(公告)号：US20220320857A1

公开(公告)日：2022-10-06

申请号：US17357493

申请日：2021-06-24

申请人： Bette Korman

发明人： Bette Korman

IPC分类号： H02J1/00 ,  H02J50/00 ,  F24S25/10 ,  E04F10/02 ,  E04F10/04 ,  E04H15/00 ,  E04H15/58 ,  E04F10/00 ,  H02S20/30 ,  H02S20/22 ,  H02S10/40 ,  H02S40/32 ,  H01L31/02 ,  H02S40/38 ,  H02S10/00 ,  H02S30/20

摘要： The present invention relates to an alternative power generation system, comprising a portable electricity harvesting device for generating electrical power, a power unit coupled to said portable electricity harvesting device including circuitry for processing electrical power generated by said portable electricity harvesting device and storing said electrical power in a battery within said power unit, and a plurality of distribution components in electrical communication with said power unit and a plurality of devices to be electrically powered.

公开(公告)号：US20220217930A1

公开(公告)日：2022-07-14

申请号：US17608536

申请日：2020-04-29

申请人： Doo Soo KIM

发明人： Doo Soo KIM

IPC分类号： A01G25/16 ,  A01G20/30 ,  H02S10/00

摘要： One aspect of the present invention relates to a lawn monitoring system, and more specifically, to a lawn monitoring system installed at various locations where lawn is created, such as a golf course, a soccer field, a baseball field, etc., to receive lawn status information, thereby enabling a lawn manager to manage the lawn based on the information received from the system. The lawn monitoring system according to an embodiment of the present invention has effects of accurately and efficiently transmitting the status information of the lawn in places where the lawn is created, such as a golf course, a soccer field, a baseball field, to a lawn manager.

公开(公告)号：US20220200513A1

公开(公告)日：2022-06-23

申请号：US17693071

申请日：2022-03-11

申请人： Ojjo, Inc.

发明人： Jack West

IPC分类号： H02S10/00 ,  H02J7/02 ,  B60L53/30 ,  B60L53/51

摘要： A solar power plant is constructed using a reverse workflow whereby the grid connection that will ultimately feed electricity to the grid is constructed before the array so that one or more transformers and portable charging stations may be deployed onsite to transform grid power so that it can recharge electrically powered heavy equipment including solar pile drivers, truss drivers, and telehandlers as well as electrically powered hand tools such as cordless impact drivers while the plant is constructed. Once complete, the fixed electrical infrastructure and grid connection are used to supply power from the solar power plant to the grid.

公开(公告)号：US20220060140A1

公开(公告)日：2022-02-24

申请号：US17406778

申请日：2021-08-19

申请人： Parasol Structures Inc.

发明人： Francois Attal ,  Brian Cuff ,  Hikaru Iwasaka ,  Alexander Keller

IPC分类号： H02S20/10 ,  H01L31/068 ,  H02S40/34 ,  H02S30/10 ,  H02S10/00 ,  H02S40/22

摘要： Various embodiments of mounting structures for solar photovoltaic (PV) modules and methods for constructing such mounting structures are described. A mounting structure is usable to secure PV modules in portrait orientation or landscape orientation. PV modules are secured to PV module support rails, which may be secured to purlins of a mounting structure using clamps. In some embodiments, self-adhesive grounding patches are used to establish electrical grounding paths in various embodiments of mounting structure.