WO2023284080A1 - 跟踪方法、装置、电子设备以及存储介质 - Google Patents
跟踪方法、装置、电子设备以及存储介质 Download PDFInfo
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- WO2023284080A1 WO2023284080A1 PCT/CN2021/115916 CN2021115916W WO2023284080A1 WO 2023284080 A1 WO2023284080 A1 WO 2023284080A1 CN 2021115916 W CN2021115916 W CN 2021115916W WO 2023284080 A1 WO2023284080 A1 WO 2023284080A1
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- tracking
- photovoltaic tracking
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000010248 power generation Methods 0.000 claims abstract description 103
- 230000005855 radiation Effects 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 13
- 230000006870 function Effects 0.000 description 13
- 238000003062 neural network model Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 101100221616 Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1) cosB gene Proteins 0.000 description 2
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- 239000000428 dust Substances 0.000 description 2
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- 238000012549 training Methods 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present application relates to the technical field of photovoltaic tracking, for example, to a tracking method, device, electronic equipment and storage medium.
- the tracking algorithm of the photovoltaic tracking bracket is mainly astronomical algorithm. By adjusting the angle of the bracket, the component is perpendicular to the direct sunlight.
- the astronomical algorithm is relatively mature and simple, there are still some obvious deficiencies.
- the astronomical algorithm is only suitable for sunny days, and can only ensure that the components receive the maximum direct radiation, without considering the influence of scattered radiation, and is not suitable for windy, snowy and rainy weather.
- the present application provides a tracking method, device, electronic equipment and storage medium, so as to realize intelligentization of photovoltaic tracking.
- the embodiment of the present application provides a tracking method, including:
- the tracking controller corresponding to the component determines the first target tracking angle of the component, so that the tracking controller corresponding to the component adjusts the corresponding photovoltaic tracking support according to the first target tracking angle, so as to realize the adjustment of the components on the photovoltaic tracking support.
- the embodiment of the present application also provides a tracking device, including:
- the weather type determination module is configured to determine the current weather type according to the current meteorological data and/or the current power generation of the components on at least two photovoltaic tracking supports during the apparent day tracking phase;
- the first tracking angle determination module is configured to determine the first target tracking angle of the component according to the current weather type, so that the tracking controller corresponding to the component adjusts the corresponding photovoltaic tracking bracket according to the first target tracking angle to achieve Adjustments to the components on the PV tracking bracket.
- the embodiment of the present application also provides an electronic device, including:
- processors one or more processors
- memory configured to store one or more programs
- the one or more processors are made to implement the tracking method provided in any embodiment of the present application.
- the embodiment of the present application further provides a computer-readable storage medium storing a computer program, wherein, when the computer program is executed by a processor, the tracking method provided in any embodiment of the present application is implemented.
- FIG. 1A is a flowchart of a tracking method provided in Embodiment 1 of the present application.
- Fig. 1B is a scatter diagram of the variation of power generation with the sun altitude angle under different weather types provided by Embodiment 1 of the present application;
- Fig. 1C is a scatter diagram of the variation of the horizontal total irradiance with the sun altitude angle under different weather types provided by Embodiment 1 of the present application;
- FIG. 2 is a flow chart of a tracking method provided in Embodiment 2 of the present application.
- FIG. 3A is a flow chart of a tracking method provided in Embodiment 3 of the present application.
- Fig. 3B is a schematic diagram of vertically adjacent photovoltaic tracking supports provided in Embodiment 3 of the present application in an unshielded state;
- FIG. 4A is a flowchart of a tracking method provided in Embodiment 4 of the present application.
- Fig. 4B is a schematic cross-sectional view of a column in a photovoltaic tracking support array provided in Embodiment 4 of the present application;
- FIG. 5 is a schematic structural diagram of a tracking device provided in Embodiment 5 of the present application.
- FIG. 6 is a schematic structural diagram of an electronic device provided in Embodiment 6 of the present application.
- FIG. 1A is a flow chart of a tracking method provided in Embodiment 1 of the present application. This embodiment is applicable to the case of adjusting the tracking angle of a photovoltaic tracking bracket.
- the method can be executed by a tracking device, which can be implemented by software and/or hardware, and can be integrated into an electronic device carrying a tracking function, such as a server.
- the method may include the following steps.
- the so-called solar tracking stage refers to the period of time during which the photovoltaic tracking support rotates with the sun and the components on the photovoltaic tracking support are facing the sun.
- the components can be photovoltaic components.
- the so-called photovoltaic tracking bracket refers to a bracket equipped with a tracking controller, which is set to support the component to rotate with the movement of the sun, wherein the tracking controller is used to adjust the rotation of the component;
- the photovoltaic tracking bracket consists of one or more vertical columns Composed of a horizontal bar, one or more components are arranged on the horizontal bar, and the photovoltaic tracking bracket can be a "T"-shaped bracket.
- the current meteorological data refers to the meteorological data in the scene where the photovoltaic tracking bracket is located, including but not limited to horizontal total radiation, horizontal direct radiation, horizontal diffuse radiation, air quality data, air humidity, wind direction and wind force, etc.
- Weather types may include windy, snowy, cloudy, sunny, cloudy, and rainy.
- the current weather data can be input into the pre-trained first neural network model, and the first neural network model outputs the current weather type.
- the first neural network model is obtained through training of historical meteorological data and historical weather types.
- the second neural network model outputs the current weather type.
- the second neural network model is obtained through training of historical weather data, historical power generation of components on at least two photovoltaic tracking supports, and historical weather types.
- determining the current weather type according to the current power generation of the component can also be, according to the current power generation, the current solar altitude angle, and the boundary line of multiple types of weather, to determine the current weather type; wherein, the multiple types of weather The dividing line is determined based on the relationship between historical power generation, solar elevation angle, and historical weather data.
- the component If it is recognized that the current of the component jumps from the first value to the second value when the irradiation is relatively stable, that is, the sudden change point of the current of the component, it is determined that the component is in an unshielded state, wherein the first value is smaller than the second value . It may also be determined that the components are in an unshaded state if it is recognized that the difference in power generation of the components on two vertically adjacent photovoltaic tracking supports is within a set range.
- the photovoltaic tracking support is installed in an array (horizontal direction and vertical direction, the vertical direction is a column, and the horizontal direction is a row), and one column (vertical direction of the photovoltaic tracking support) contains at least Two photovoltaic tracking brackets, for each column of photovoltaic tracking brackets, the basic information of all photovoltaic tracking brackets in the column, the second height difference, and the historical meteorological data of the scene where the photovoltaic tracking brackets are located can be input into the neural network model , the neural network model automatically calculates the target tracking angles of all photovoltaic tracking supports in the column, and then determines the target tracking angles of all photovoltaic tracking supports in the array.
- the basic information of each photovoltaic tracking support includes size information and the first distance between the two ends of the photovoltaic tracking support. Height difference, then determine the second height difference of vertically adjacent photovoltaic tracking supports, and then determine at least two photovoltaic tracking The second target tracking angle of the support, so that the tracking controller adjusts the corresponding photovoltaic tracking support according to the second target tracking angle, so as to realize the adjustment of the components on the photovoltaic tracking support.
- the method may include the following steps.
- a photovoltaic tracking support can also be selected from at least two photovoltaic tracking supports as the target tracking support; centering on an end point of the target tracking support, according to the basic information and the second height difference of at least two photovoltaic tracking supports,
- the three-dimensional array terrain model is constructed through the spatial rectangular coordinate system.
- the three-dimensional array terrain model may also include the spacing between vertically adjacent photovoltaic tracking supports and the width of components on the photovoltaic tracking supports.
- Figure 4B shows a schematic cross-sectional view of a column in a photovoltaic tracking support array.
- a three-dimensional array terrain model through a spatial Cartesian coordinate system, centering on the middle point of the target tracking support, and according to the basic information and the second height difference of at least two photovoltaic tracking supports.
- an identification can also be set for each photovoltaic tracking support in the three-dimensional array terrain model to uniquely characterize the photovoltaic tracking support, which can be in the form of numbers, letters, numbers and letters.
- S460 Determine target slope angles of at least two photovoltaic tracking supports according to the three-dimensional array terrain model and historical meteorological data.
- the target slope angles of at least two photovoltaic tracking supports can be determined through the following four steps.
- the first theoretical power generation of the photovoltaic tracking support is determined.
- the second theoretical power generation of the auxiliary tracking support under the corresponding candidate slope angle may be determined according to the method for determining the first theoretical power generation.
- B represents the theoretical tracking angle
- B' represents the second target tracking angle
- d represents the width of the components on the photovoltaic tracking support
- D represents the distance between vertically adjacent photovoltaic tracking supports
- ⁇ represents the target slope angle
- A represents the sun angle of incidence.
- the target slope angle is input into the angle conversion model to obtain the second target tracking angle, and then the tracking controller adjusts the corresponding photovoltaic tracking bracket according to the second target tracking angle to realize the adjustment of the components on the photovoltaic tracking bracket .
- the basic information of each photovoltaic tracking support includes size information and the first distance between the two ends of the photovoltaic tracking support.
- the tracking angles of vertically adjacent tracking brackets may be adjusted at the same time, so as to avoid the phenomenon of tracking bracket inversion and reduce auxiliary loss. Exemplarily, it can be realized through the following four steps:
- the photovoltaic tracking supports in the vertical direction are grouped to obtain at least two groups of vertically adjacent photovoltaic tracking supports, wherein the adjacent two groups of vertically adjacent photovoltaic tracking supports include the same photovoltaic tracking support.
- the adjacent two groups of vertically adjacent photovoltaic tracking supports include the same photovoltaic tracking support.
- there are 10 photovoltaic tracking brackets in the vertical direction that is, there are 10 photovoltaic tracking brackets in a column
- numbered 1-10 respectively, and grouped in pairs
- you can get 9 groups of vertically adjacent photovoltaic tracking brackets for example ( 1, 2), (2, 3), ..., (9, 10).
- the basic information of at least two photovoltaic tracking supports, and the second height difference determine the theoretical tracking angle when the components on at least two groups of vertically adjacent photovoltaic tracking supports are in a non-shading state. According to the sun incidence angle, the basic information of at least two photovoltaic tracking supports, and the geometric relationship between the second height difference, the theoretical tracking angle when the components on at least two groups of vertically adjacent photovoltaic tracking supports are in an unshaded state can be determined.
- the theoretical adjustment angle of the group of vertically adjacent photovoltaic tracking supports is determined according to the theoretical tracking angle and the actual tracking angle of the group of vertically adjacent photovoltaic tracking supports.
- the actual tracking angle refers to the tracking angle obtained according to the above method in the current scene.
- the adjustment angle of the photovoltaic tracking brackets in the (1, 2) group is 5 degrees, that is, the photovoltaic tracking brackets numbered 1 and 2 are both adjusted by 5 degrees; the adjustment angle of the photovoltaic tracking brackets in the (2, 3) group is 3 degrees degree, then the actual adjustment angle of the photovoltaic tracking bracket numbered 2 is determined to be 5 degrees, and then the actual adjustment angle of the photovoltaic tracking bracket numbered 3 is adaptively adjusted to ensure that the components on the photovoltaic tracking bracket numbered 3 are not numbered Components on the photovoltaic tracking bracket for 2 are shaded.
- Fig. 5 is a schematic structural diagram of a tracking device provided in Embodiment 5 of the present application; this embodiment is applicable to the situation where the photovoltaic tracking support performs tracking angle adjustment during the solar tracking stage.
- the so-called solar tracking stage refers to the photovoltaic
- the tracking bracket rotates with the sun, and the components on the photovoltaic tracking bracket are facing the sun.
- the device can be realized by software and/or hardware, and can be integrated into an electronic device carrying a tracking function, such as a server.
- the device may include a weather type determination module 510 and a tracking angle determination module 520 .
- the first tracking angle determination module 520 is configured to determine the first target tracking angle of the component according to the current weather type, so that the tracking controller corresponding to the component adjusts the corresponding photovoltaic tracking bracket according to the first target tracking angle, so as to realize the photovoltaic tracking Adjustment of components on the bracket.
- the current weather type is determined according to the current meteorological data and/or the current power generation of the components on at least two photovoltaic tracking supports during the apparent day tracking phase, and then the first component is determined according to the current weather type A target tracking angle, so that the tracking controller corresponding to the component adjusts the corresponding photovoltaic tracking support according to the first target tracking angle, so as to realize the adjustment of the components on the photovoltaic tracking support.
- the above technical solution improves the recognition accuracy of different weather types, realizes the flexible adjustment of the tracking angle of the photovoltaic tracking bracket under different weather types, and then improves the power generation of the components on the photovoltaic tracking bracket, and provides a smart photovoltaic tracking. new ideas.
- the weather type determination module 510 includes a first type determination unit and a second type determination unit, wherein,
- the first type determination unit is configured to determine whether the current weather type belongs to the first type according to the current power generation of the component; wherein, the first type includes snowy days and cloudy days;
- the second type determining unit is configured to determine the current weather type from the second type according to the current meteorological data when the current weather type does not belong to the first type, wherein the second type includes Sunny and cloudy.
- the discrete rate determination subunit of power generation is set to determine the discrete rate of power generation according to the current power generation of the component;
- the first type determination subunit is configured to determine that the current weather type belongs to the snow day in the first type if the discrete rate of power generation is equal to or greater than the first discrete threshold;
- the proportion determination subunit is set to determine the proportion of direct radiation according to the current meteorological data
- the second type determines the subunit, which is set to determine that the current weather type is sunny in the second type if the proportion of direct radiation is equal to or greater than the first threshold;
- the second type determination subunit is further configured to determine that the current weather type is cloudy in the second type if the proportion of direct radiation is less than or equal to the second threshold, wherein the first threshold is greater than the second threshold.
- the weather type determination module 510 is also set to:
- the current weather type is determined according to the current power generation, the current solar elevation angle, and the dividing line of various types of weather; the dividing line of various types of weather is determined according to the relationship between historical power generation, solar altitude angle and historical meteorological data.
- the basic information determination module is configured to determine the basic information of at least two photovoltaic tracking supports in the inverse tracking stage, wherein the basic information of each photovoltaic tracking support includes size information and the first height difference between the two ends of the photovoltaic tracking support ;
- the second height difference determination module is configured to determine the second height difference of vertically adjacent photovoltaic tracking supports
- the second height difference determining module also includes a non-blocking state determining unit, and the non-blocking state determining unit is set to:
- the second tracking angle determination module includes a model determination unit, a target slope angle determination unit and a second tracking angle determination unit, wherein,
- the model determination unit is configured to construct a three-dimensional array terrain model according to the basic information of at least two photovoltaic tracking supports and the second height difference;
- the target slope angle determination unit is configured to determine the target slope angles of at least two photovoltaic tracking supports according to the three-dimensional array terrain model and historical meteorological data;
- the second tracking angle determination unit is configured to convert the target slope angle into a second target tracking angle based on the angle conversion model.
- the target slope angle determination unit includes an auxiliary tracking support determination subunit, a candidate slope angle determination subunit, a theoretical power generation determination subunit and a target slope angle determination subunit, wherein,
- the auxiliary tracking bracket determines the subunit, which is configured to use the photovoltaic tracking bracket in the vertical direction of the photovoltaic tracking bracket among at least two photovoltaic tracking brackets as the auxiliary photovoltaic tracking bracket for each photovoltaic tracking bracket;
- the candidate slope angle determination subunit is configured to determine at least two candidate slope angles
- the device also includes a grouping determination module, a theoretical tracking angle determination module, a theoretical adjustment angle determination module and an actual adjustment angle determination module, wherein,
- the grouping determination module is configured to group the photovoltaic tracking supports in the vertical direction to obtain at least two groups of vertically adjacent photovoltaic tracking supports, wherein the adjacent two groups of vertically adjacent photovoltaic tracking supports include the same photovoltaic tracking support;
- the theoretical adjustment angle determination module is configured to determine the angle of the group of vertically adjacent photovoltaic tracking supports according to the theoretical tracking angle and the actual tracking angle of the group of vertically adjacent photovoltaic tracking supports for each group of vertically adjacent photovoltaic tracking supports. theoretical adjustment angle;
- the actual adjustment angle determination module is set so that if the adjustment angles of two adjacent groups of vertically adjacent photovoltaic tracking brackets are different, then compare the theoretical adjustment angles of the adjacent two groups of vertically adjacent photovoltaic tracking brackets, and determine each group according to the comparison results.
- the actual adjustment angles of the vertically adjacent photovoltaic tracking brackets so that the tracking controller can adjust the corresponding photovoltaic tracking brackets according to the actual adjustment angles.
- Fig. 6 is a schematic structural diagram of an electronic device provided in Embodiment 6 of the present application, and Fig. 6 shows a block diagram of an exemplary device suitable for implementing the implementation manner of the embodiment of the present application.
- the device shown in FIG. 6 is only an example, and should not limit the functions and scope of use of this embodiment of the present application.
- electronic device 12 takes the form of a general-purpose computing device.
- Components of electronic device 12 may include, but are not limited to, one or more processors or processing units 16, system memory 28, bus 18 connecting various system components including system memory 28 and processing unit 16.
- Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus structures.
- these architectures include but are not limited to Industry Standard Architecture (Industry Subversive Alliance, ISA) bus, Micro Channel Architecture (Micro Channel Architecture, MCA) bus, Enhanced ISA bus, Video Electronics Standards Association (Video Electronics Standards Association, VESA) local bus and peripheral component interconnect (Peripheral Component Interconnect, PCI) bus.
- Electronic device 12 includes a variety of computer system readable media. These media can be any available media that can be accessed by electronic device 12 and include both volatile and nonvolatile media, removable and non-removable media.
- System memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM) 30 and/or cache memory (cache 32).
- Electronic device 12 may include other removable/non-removable, volatile/nonvolatile computer system storage media.
- storage system 34 may be used to read and write to non-removable, non-volatile magnetic media (not shown in FIG. 6, commonly referred to as a "hard drive”).
- a disk drive for reading and writing to a removable nonvolatile disk such as a "floppy disk”
- a disk drive for a removable nonvolatile disk such as a Compact Disk ROM (Compact Disk).
- each drive may be connected to bus 18 via one or more data media interfaces.
- the system memory 28 may include at least one program product having a set (eg, at least one) of program modules configured to perform the functions of various embodiments of the embodiments of the present application.
- Program/utility 40 may be stored, for example, in system memory 28 as a set (at least one) of program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each or a combination of these examples may include implementations of the network environment.
- the program module 42 generally executes the functions and/or methods in the embodiments described in the embodiments of this application.
- the electronic device 12 may also communicate with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), may also communicate with one or more devices that enable a user to interact with the electronic device 12, and/or communicate with Any device (eg, network card, modem, etc.) that enables the electronic device 12 to communicate with one or more other computing devices. This communication can be performed through an input/output (Input/Output, I/O) interface 22 .
- the electronic device 12 can also communicate with one or more networks (such as a local area network (Local Area Network, LAN), a wide area network (Wide Area Network, WAN) and/or a public network, such as the Internet) through the network adapter 20.
- networks such as a local area network (Local Area Network, LAN), a wide area network (Wide Area Network, WAN) and/or a public network, such as the Internet
- network adapter 20 communicates with other modules of electronic device 12 via bus 18 .
- other hardware and/or software modules may be used in conjunction with electronic device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, disk arrays (Redundant Arrays) of Independent Drives, RAID) systems, tape drives, and data backup storage systems.
- Electronic equipment can also comprise communication interface 17, and communication interface 17 communicates with processing unit 16 mutually, and communication interface 17 can also connect sensor controller unit (Sensor Controller Unit, SCU) 25, and wherein, SCU25 and inverter 300 and data collector 700 communicates through wireless or other devices, and the data collector 700 includes a radiometer 710, an anemometer 720, a rain gauge 730, and the like.
- sensor controller unit Sensor Controller Unit, SCU
- SCU25 and inverter 300 and data collector 700 communicates through wireless or other devices
- the data collector 700 includes a radiometer 710, an anemometer 720, a rain gauge 730, and the like.
- the processing unit 16 executes a variety of functional applications and data processing by running the programs stored in the system memory 28 , such as implementing the tracking method provided by the embodiment of the present application.
- Embodiment 7 of the present application also provides a computer-readable storage medium storing a computer program (or called computer-executable instructions), and the computer program is used to execute the tracking method provided in the embodiment of the present application when executed by a processor.
- a computer program or called computer-executable instructions
- the computer storage medium in the embodiments of the present application may use any combination of one or more computer-readable media.
- the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
- a computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof.
- Computer-readable storage media include: electrical connections with one or more wires, portable computer disks, hard disks, RAM, Read-Only Memory (ROM), Erasable Programmable Read-Only Memory (Erasable Programmable Read-Only Memory) Only Memory, EPROM), or flash memory, optical fiber, portable CD-ROM, optical storage device, magnetic storage device, or any suitable combination of the above.
- a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
- a computer readable signal medium may include a data signal carrying computer readable program code in baseband or as part of a carrier wave. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. .
- the program code contained on the computer readable medium can be transmitted by any appropriate medium, including but not limited to wireless, electric wire, optical cable, radio frequency (Radio Frequency, RF), etc., or any suitable combination of the above.
- any appropriate medium including but not limited to wireless, electric wire, optical cable, radio frequency (Radio Frequency, RF), etc., or any suitable combination of the above.
- Computer program codes for performing the operations of the embodiments of the present application may be written in one or more programming languages or combinations thereof, the programming languages including object-oriented programming languages—such as Java, Smalltalk, C++, including A conventional procedural programming language such as the "C" language or similar programming language.
- the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
- the remote computer can be connected to the user computer via any kind of network, including a LAN or WAN, or alternatively, can be connected to an external computer (eg via the Internet using an Internet service provider).
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Abstract
Description
Claims (14)
- 一种跟踪方法,包括:在视日跟踪阶段,根据以下至少之一确定当前天气类型:当前气象数据、或至少两个光伏跟踪支架上组件的当前发电量;根据所述当前天气类型,确定所述组件的第一目标跟踪角度,以使所述组件对应的跟踪控制器依据所述第一目标跟踪角度调整对应的光伏跟踪支架,以实现对光伏跟踪支架上组件的调整。
- 根据权利要求1所述的方法,其中,所述根据当前气象数据和组件的当前发电量,确定当前天气类型,包括:根据所述组件的当前发电量,确定所述当前天气类型是否属于第一种类型,其中,所述第一种类型包括雪天和多云天;在所述当前天气类型不属于所述第一种类型的情况下,根据所述当前气象数据,从第二种类型中确定所述当前天气类型,其中,所述第二种类型包括晴天和阴天。
- 根据权利要求2所述的方法,其中,所述根据所述组件的当前发电量,确定所述当前天气类型是否属于第一种类型,包括:根据所述组件的当前发电量,确定发电量离散率;在所述发电量离散率等于或大于第一离散阈值的情况下,确定所述当前天气类型属于所述第一种类型中的雪天;在所述发电量离散率等于或大于第二离散阈值,且在设定时间段内所述组件的累积发电量和基准发电量之间的差值等于或大于波动阈值的情况下,确定所述当前天气类型属于所述第一种类型中的多云天。
- 根据权利要求2所述的方法,其中,所述根据所述当前气象数据,从第二种类型中确定所述当前天气类型,包括:根据所述当前气象数据,确定直射辐照占比;在所述直射辐照占比等于或大于第一阈值的情况下,确定所述当前天气类型为所述第二种类型中的晴天;在所述直射辐照占比小于或等于第二阈值的情况下,确定所述当前天气类型为所述第二种类型中的阴天,其中,所述第一阈值大于所述第二阈值。
- 根据权利要求1所述的方法,其中,所述根据组件的当前发电量,确定当前天气类型,包括:根据所述当前发电量、当前太阳高度角、以及多种类型天气的分界线,确 定所述当前天气类型;其中,所述多种类型天气的分界线根据历史发电量、太阳高度角和历史气象数据之间的关系确定。
- 根据权利要求1所述的方法,还包括:在逆跟踪阶段,确定所述至少两个光伏跟踪支架的基础信息,其中,每个光伏跟踪支架的基础信息包括尺寸信息和光伏跟踪支架的两端点之间的第一高度差;确定垂直相邻的光伏跟踪支架的第二高度差;根据所述至少两个光伏跟踪支架的基础信息、所述第二高度差、以及光伏跟踪场景的历史气象数据,确定所述至少两个光伏跟踪支架的第二目标跟踪角度,以使跟踪控制器依据所述第二目标跟踪角度调整对应的光伏跟踪支架,以实现对光伏跟踪支架上组件的调整。
- 根据权利要求6所述的方法,其中,所述确定垂直相邻的光伏跟踪支架的第二高度差,包括:在垂直相邻的光伏跟踪支架上的组件处于无遮挡状态的情况下,根据太阳入射角、垂直相邻的每个光伏跟踪支架的当前跟踪角度和组件宽度、以及垂直相邻的光伏跟踪支架之间的距离,确定所述垂直相邻的光伏跟踪支架的第二高度差。
- 根据权利要求7所述的方法,还包括以下至少之一:在识别到所述组件的电流从第一数值跳变到第二数值的情况下,确定所述组件处于无遮挡状态,其中,所述第一数值小于所述第二数值;或,在识别到垂直相邻的两个光伏跟踪支架上组件的发电量之差在设定范围内的情况下,确定所述组件处于无遮挡状态。
- 根据权利要求6所述的方法,其中,所述根据所述至少两个光伏跟踪支架的基础信息、所述第二高度差、以及光伏跟踪场景的历史气象数据,确定所述至少两个光伏跟踪支架的第二目标跟踪角度,包括:根据所述至少两个光伏跟踪支架的基础信息和所述第二高度差,构建三维阵列地形模型;根据所述三维阵列地形模型和所述历史气象数据,确定所述至少两个光伏跟踪支架的目标坡角;基于角度转换模型,将所述目标坡角转换为所述第二目标跟踪角度。
- 根据权利要求9所述的方法,其中,所述根据所述三维阵列地形模型和所述历史气象数据,确定所述至少两个光伏跟踪支架的目标坡角,包括:针对每一个光伏跟踪支架,将至少两个光伏跟踪支架中在所述光伏跟踪支架垂直方向上的光伏跟踪支架作为辅助光伏跟踪支架;确定至少两个候选坡角;根据所述三维阵列地形模型和所述历史气象数据,确定所述光伏跟踪支架在每一个候选坡角下的第一理论发电量、以及所述辅助跟踪支架在所述每一个候选坡角下的第二理论发电量;根据所述第一理论发电量和所述第二理论发电量,确定所述目标坡角。
- 根据权利要求6所述的方法,还包括:对在垂直方向上的光伏跟踪支架进行分组,得到至少两组垂直相邻的光伏跟踪支架,其中,相邻两组垂直相邻的光伏跟踪支架中包括相同的光伏跟踪支架;根据太阳入射角、所述至少两个光伏跟踪支架的基础信息、以及所述第二高度差,确定所述至少两组垂直相邻的光伏跟踪支架上组件处于无遮挡状态的情况下的理论跟踪角度;针对每一组垂直相邻的光伏跟踪支架,根据所述组垂直相邻的光伏跟踪支架的理论跟踪角度和实际跟踪角度,确定所述组垂直相邻的光伏跟踪支架的理论调整角度;在相邻两组垂直相邻的光伏跟踪支架的调整角度不同的情况下,比较所述相邻两组垂直相邻的光伏跟踪支架的理论调整角度,根据比较结果,确定每组中垂直相邻的光伏跟踪支架的实际调整角度,以使跟踪控制器依据所述实际调整角度调整对应的光伏跟踪支架。
- 一种跟踪装置,包括:天气类型确定模块,设置为在视日跟踪阶段,根据以下至少之一确定当前天气类型:当前气象数据、或至少两个光伏跟踪支架上组件的当前发电量;第一跟踪角度确定模块,设置为根据所述当前天气类型,确定所述组件的第一目标跟踪角度,以使所述组件对应的跟踪控制器依据所述第一目标跟踪角度调整对应的光伏跟踪支架,以实现对光伏跟踪支架上组件的调整。
- 一种电子设备,包括:一个或多个处理器;存储器,设置为存储一个或多个程序;当所述一个或多个程序被所述一个或多个处理器执行,使得所述一个或多个处理器实现如权利要求1-11中任一项所述的跟踪方法。
- 一种计算机可读存储介质,存储有计算机程序,其中,所述计算机程序被处理器执行时实现如权利要求1-11中任一项所述的跟踪方法。
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CN117424557A (zh) * | 2023-10-09 | 2024-01-19 | 上海华电奉贤热电有限公司 | 一种光伏发电量预测辅助装置 |
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