CN117335532A

CN117335532A - Storage battery capacity configuration method and device of photovoltaic tracker

Info

Publication number: CN117335532A
Application number: CN202311591665.XA
Authority: CN
Inventors: 黄国昆; 孙凯; 赵明; 全鹏; 叶屹洲; 徐国鹏; 廖格兵; 董伟; 任宇霄; 唐宗耀
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-01-02
Anticipated expiration: 2043-11-27
Also published as: CN117335532B

Abstract

The embodiment of the disclosure discloses a storage battery capacity configuration method and device of a photovoltaic tracker, wherein the method comprises the following steps: acquiring energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery, and power supply efficiency of the storage battery to the photovoltaic tracker; determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency; determining the lowest allocation capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery; wherein the cycle life parameter includes a capacity reduction limit of the battery and a corresponding cycle number. The technical problem that how to comprehensively consider the hardware cost and the capacity and configure the capacity of the storage battery in the related technology can be solved, and the technical effect of accurately and conveniently configuring the capacity of the storage battery of the photovoltaic tracker is achieved by considering the cycle life and the power supply efficiency of the storage battery in the process of configuring the capacity of the storage battery.

Description

Storage battery capacity configuration method and device of photovoltaic tracker

Technical Field

The disclosure relates to the technical field of photovoltaics, in particular to a storage battery capacity configuration method and device of a photovoltaic tracker.

Background

In the prior art, the power supply modes of the photovoltaic tracking bracket controller and the driving motor thereof include three modes of AC (Alternating Current ) power supply, string power supply and small component power supply, the AC power supply needs to be connected into a power grid to obtain stable and sufficient electric quantity supply, but the mode needs higher cable laying cost. In view of cost, string power and gadget power are also commonly used, the former being used to tap power directly from the string of photovoltaic strings, the latter requiring the installation of additional powered gadgets, both of which require the provision of battery packs for use at night and in low-irradiance weather. However, the larger the battery capacity is, the better, but the larger the battery capacity is not preferable in view of cost and the like.

Therefore, how to provide a battery capacity configuration method that comprehensively considers hardware cost and capacity needs is a technical problem that needs to be solved at present.

Disclosure of Invention

The embodiment of the disclosure provides a storage battery capacity configuration method and device of a photovoltaic tracker, which at least solve the technical problem of how to comprehensively consider hardware cost and capacity requirement to configure storage battery capacity in the related art.

According to an aspect of the embodiments of the present disclosure, there is provided a battery capacity configuration method of a photovoltaic tracker, including:

Acquiring energy consumption data of a photovoltaic tracker under the condition of power supply of a storage battery, and power supply efficiency of the storage battery to the photovoltaic tracker;

determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency;

determining the lowest configuration capacity of the storage battery according to the total discharge capacity of the service period of the storage battery and the cycle life parameter of the storage battery;

wherein the cycle life parameter includes a capacity reduction limit of the battery and a corresponding number of cycles.

In one exemplary embodiment, obtaining energy consumption data of the photovoltaic tracker under the condition of power supplied by the storage battery comprises:

performing operation test on the photovoltaic tracker to obtain a unit rotation energy consumption parameter and a unit communication energy consumption parameter of a driving motor in the photovoltaic tracker;

acquiring the rotation quantity of the photovoltaic tracker and the service length requirement of the storage battery;

determining rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the service duration requirement;

according to the unit communication energy consumption parameter and the service duration requirement, determining communication energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery;

And taking the sum of the rotation energy consumption data and the communication energy consumption data as the energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery.

and performing charge and discharge test on the storage battery to obtain the power supply efficiency of the storage battery when the photovoltaic tracker rotates and the power supply efficiency of the storage battery when the photovoltaic tracker communicates.

In one exemplary embodiment, determining the total discharge amount of the battery in service period according to the energy consumption data and the power supply efficiency includes:

determining the total rotation discharge amount of the storage battery for supplying power to a driving motor in the photovoltaic tracker in the service period according to the rotation energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker rotates;

determining the total communication discharge quantity of the storage battery for communication power supply of the photovoltaic tracker in the service period according to the communication energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker is in communication;

and taking the sum of the total rotation discharge amount and the total communication discharge amount as the total discharge amount of the service period of the storage battery.

In one exemplary embodiment, determining rotational energy consumption data of the photovoltaic tracker under the battery powered condition according to the unit rotational energy consumption parameter, the rotational amount, and the length of service requirement comprises:

in a photovoltaic group series power supply mode, acquiring irradiation value data of a place where the photovoltaic tracker is located;

determining the non-power generation duration in the service duration of the storage battery according to the irradiation data;

the irradiation value in the non-power generation duration is not more than the sunlight irradiation threshold value of the photovoltaic group string of the photovoltaic tracker;

and determining rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the non-power generation duration.

In an exemplary embodiment, performing an operation test on the photovoltaic tracker to obtain a unit rotation energy consumption parameter and a unit communication energy consumption parameter of a driving motor in the photovoltaic tracker, including:

performing operation test on the photovoltaic tracker under different temperature working conditions to obtain an average unit rotation energy consumption parameter and an average unit communication energy consumption parameter of a driving motor in the photovoltaic tracker within the working temperature range of the photovoltaic tracker;

And taking the average unit rotation energy consumption parameter and the average unit communication energy consumption parameter as the unit rotation energy consumption parameter and the unit communication energy consumption parameter.

In one exemplary embodiment, obtaining the power supply efficiency of the battery to the photovoltaic tracker includes:

performing charge and discharge tests on the storage battery under different temperature working conditions to obtain the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker communicates;

and taking the average power supply efficiency of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery when the photovoltaic tracker communicates as the power supply efficiency of the storage battery to the photovoltaic tracker.

In one exemplary embodiment, determining the lowest configuration capacity of the battery based on the total capacity of the battery during service and the cycle life parameter of the battery includes:

determining the conventional demand capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery;

Acquiring special required capacity of the storage battery under a preset weather condition;

and taking the maximum value of the conventional required capacity and the special required capacity as the lowest configuration capacity.

In one exemplary embodiment, obtaining a specific required capacity of the battery under predetermined weather conditions includes:

acquiring a communication duration requirement corresponding to the preset weather condition;

according to the communication duration requirement, determining the special communication energy consumption of the photovoltaic tracker;

and determining the special required capacity according to the special communication energy consumption, the power supply efficiency and the capacity reduction limit.

According to another aspect of the embodiments of the present disclosure, there is also provided a battery capacity configuration apparatus of a photovoltaic tracker, including:

the acquisition module is used for acquiring energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery and power supply efficiency of the storage battery to the photovoltaic tracker;

the discharge capacity determining module is used for determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency;

the capacity determining module is used for determining the lowest configuration capacity of the storage battery according to the total discharge capacity of the service period of the storage battery and the cycle life parameter of the storage battery;

In one exemplary embodiment, the acquisition module includes:

the operation test sub-module is used for performing operation test on the photovoltaic tracker to obtain a unit rotation energy consumption parameter and a unit communication energy consumption parameter of a driving motor in the photovoltaic tracker;

the acquisition sub-module is used for acquiring the rotation quantity of the photovoltaic tracker and the service length requirement of the storage battery;

the rotation energy consumption data sub-module is used for determining rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the service duration requirement;

the communication energy consumption data sub-module is used for determining communication energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit communication energy consumption parameter and the service duration requirement;

and the total energy consumption data sub-module is used for taking the sum of the rotation energy consumption data and the communication energy consumption data as the energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery.

In one exemplary embodiment, the acquisition module includes:

And the charge and discharge test sub-module is used for carrying out charge and discharge test on the storage battery to obtain the power supply efficiency of the storage battery when the photovoltaic tracker rotates and the power supply efficiency of the storage battery when the photovoltaic tracker communicates.

In one exemplary embodiment, the discharge amount determination module includes:

the total rotation discharge amount determining submodule is used for determining the total rotation discharge amount of the storage battery for supplying power to a driving motor in the photovoltaic tracker in the service period according to the rotation energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker rotates;

the total communication discharge amount determining submodule is used for determining the total communication discharge amount of the storage battery for supplying power for the photovoltaic tracker in the service period according to the communication energy consumption data and the power supply efficiency of the storage battery during the communication of the photovoltaic tracker;

and the total discharge amount determination submodule is used for taking the sum of the total rotation discharge amount and the total communication discharge amount as the total discharge amount of the storage battery in the service period.

In one exemplary embodiment, the rotational energy consumption data sub-module includes:

the irradiation data acquisition unit is used for acquiring irradiation value data of the place where the photovoltaic tracker is located in a photovoltaic group series power supply mode;

The non-power generation duration determining unit is used for determining non-power generation duration in service duration of the storage battery according to the irradiation data;

and the rotation energy consumption data determining unit is used for determining rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the non-power generation duration.

In one exemplary embodiment, the run test sub-module includes:

the average energy consumption acquisition unit is used for performing operation test on the photovoltaic tracker under different temperature working conditions to obtain an average unit rotation energy consumption parameter and an average unit communication energy consumption parameter of a driving motor in the photovoltaic tracker within the working temperature range of the photovoltaic tracker;

and the average energy consumption determining unit is used for taking the average unit rotation energy consumption parameter and the average unit communication energy consumption parameter as the unit rotation energy consumption parameter and the unit communication energy consumption parameter.

In one exemplary embodiment, the acquisition module includes:

the average efficiency obtaining submodule is used for carrying out charge and discharge tests on the storage battery under different temperature working conditions to obtain the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker communicates;

And the average efficiency determining submodule is used for taking the average power supply efficiency of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery when the photovoltaic tracker communicates as the power supply efficiency of the storage battery to the photovoltaic tracker.

In one exemplary embodiment, the capacity determination module includes:

the conventional required capacity determining submodule is used for determining the conventional required capacity of the storage battery according to the total discharge capacity of the service period of the storage battery and the cycle life parameter of the storage battery;

the special required capacity determining submodule is used for obtaining the special required capacity of the storage battery under the preset weather condition;

and the comparison sub-module is used for taking the maximum value of the conventional required capacity and the special required capacity as the lowest configuration capacity.

In one exemplary embodiment, the special demand capacity determination submodule includes:

a communication duration requirement acquisition unit, configured to acquire a communication duration requirement corresponding to the predetermined weather condition;

the special communication energy consumption determining unit is used for determining the special communication energy consumption of the photovoltaic tracker according to the communication duration requirement;

and a special required capacity determining unit configured to determine the special required capacity based on the special communication energy consumption, the power supply efficiency, and the capacity reduction limit.

According to another aspect of the embodiments of the present disclosure, there is also provided a computer apparatus including: a processor adapted to implement instructions and a storage device storing instructions adapted to be loaded by the processor and to perform any of the above-described battery capacity configuration methods of a photovoltaic tracker.

According to another aspect of embodiments of the present disclosure, there is also a computer-readable storage medium storing a computer program for executing the battery capacity configuration method of any one of the above-described photovoltaic trackers.

According to another aspect of embodiments of the present disclosure, there is also a computer program product comprising a computer program which, when executed by a processor, implements the battery capacity configuration method of any of the above-described photovoltaic trackers.

The technical scheme of the present disclosure is described in further detail below through the accompanying drawings and examples.

Drawings

The following drawings are only intended to illustrate and explain the present disclosure and do not limit the scope of the present disclosure. Wherein:

FIG. 1 is a flow chart of a battery capacity configuration method of a photovoltaic tracker according to an embodiment of the present disclosure;

FIG. 2 is a flow chart of a method of battery capacity configuration for a photovoltaic tracker of an alternative embodiment of the present invention;

FIG. 3 is a schematic diagram of a small component power mode of an alternative embodiment of the present invention;

FIG. 4 is a schematic diagram of a photovoltaic string power mode according to an alternative embodiment of the present invention;

FIG. 5 is a schematic diagram of a battery capacity configuration device of a photovoltaic tracker according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of a computer device in an embodiment of the present disclosure.

Detailed Description

The present application is further described in detail below by way of the accompanying drawings and examples. The features and advantages of the present application will become more apparent from the description.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.

In this embodiment, there is provided a method for configuring a battery capacity of a photovoltaic tracker, and fig. 1 is a flowchart of a method for configuring a battery capacity of a photovoltaic tracker according to an embodiment of the present disclosure, as shown in fig. 1, including:

Step 102, obtaining energy consumption data of the photovoltaic tracker under the condition of power supply of a storage battery and power supply efficiency of the storage battery to the photovoltaic tracker.

The photovoltaic tracker may include a controller communication module and a motor drive module. The above-mentioned battery may be charged by a small module or a photovoltaic module. The energy consumption data can be the energy consumption data of the communication module of the controller during the service period of the storage battery, the energy consumption data of the motor driving module, or the sum of the two. The power supply efficiency may be a percentage between the power consumption of the photovoltaic tracker and the discharge amount of the battery.

And 104, determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency.

The total discharge amount of the storage battery in the service period may be a quotient of the energy consumption data divided by the power supply efficiency. The service period may be five years.

And 106, determining the lowest configuration capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery.

Wherein the cycle life parameter includes a capacity reduction limit of the battery and a corresponding cycle number.

The capacity reduction limit may be that the actual capacity is not less than 80% of the nominal capacity during service. The number of cycles may be the number of times the actual capacity reaches the nominal capacity 80% and may be 2000 times. The minimum capacity may be a quotient obtained by dividing the total discharge amount in the service period by the number of cycles, and by dividing the total discharge amount by the capacity reduction limit.

In the embodiment of the present disclosure, through the steps 102 to 106, energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery and power supply efficiency of the storage battery to the photovoltaic tracker are obtained. And determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency. And determining the lowest allocation capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery. Wherein the cycle life parameter includes a capacity reduction limit of the battery and a corresponding cycle number. The technical problem that how to comprehensively consider the hardware cost and the capacity and configure the capacity of the storage battery in the related technology can be solved, and the technical effect of accurately and conveniently configuring the capacity of the storage battery of the photovoltaic tracker is achieved by considering the cycle life and the power supply efficiency of the storage battery in the process of configuring the capacity of the storage battery.

In an exemplary embodiment, the step 102 includes:

and performing operation test on the photovoltaic tracker to obtain the unit rotation energy consumption parameter and the unit communication energy consumption parameter of the driving motor in the photovoltaic tracker.

The operation test may be a test for measuring parameters of the photovoltaic tracker during operation. The driving motor in the photovoltaic tracker can be a driving motor for controlling the inclination angle of the photovoltaic module. The above-mentioned unit rotation energy consumption parameter may be average energy consumption of the rotation of the driving motor by a certain angle. The unit communication energy consumption parameter may be average energy consumption of the communication module of the photovoltaic tracker in a certain period of time.

And acquiring the rotation quantity of the photovoltaic tracker and the service time requirement of the storage battery.

The rotation amount of the photovoltaic tracker may be an average total rotation amount of one minute/hour/day. The service time of the storage battery can be 5 years.

And determining the rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the service time requirement.

The rotation energy consumption data may be a product of the rotation energy consumption parameter, the rotation amount, and the service duration requirement.

And determining communication energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit communication energy consumption parameter and the service duration requirement.

The communication energy consumption data may be a product of the unit communication energy consumption parameter and the service duration requirement.

Through the embodiment, the operation test is carried out on the photovoltaic tracker to obtain unit energy consumption parameters in the rotation and communication process of the photovoltaic tracker, and the rotation and communication power consumption of the service period of the storage battery is determined based on the service time and the rotation quantity of the photovoltaic tracker, so that the accuracy and convenience for configuring the capacity of the storage battery are further improved.

In an exemplary embodiment, the step 102 includes:

Through the embodiment, the power supply efficiency of the storage battery to the rotating motor and the communication module is tested respectively, and the battery capacity required by the rotating power supply and the communication power supply can be calculated respectively based on the rotating energy consumption data and the communication energy consumption data which are acquired respectively.

In an exemplary embodiment, determining the total discharge amount of the service period of the storage battery according to the energy consumption data and the power supply efficiency includes:

and determining the total rotation discharge capacity of the storage battery for supplying power to a driving motor in the photovoltaic tracker in the service period according to the rotation energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker rotates.

The total rotational discharge amount may be a quotient of the rotational energy consumption data divided by a power supply efficiency of the storage battery when the photovoltaic tracker rotates.

And determining the total communication discharge capacity of the storage battery for supplying power for the communication of the photovoltaic tracker in the service period according to the communication energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker is in communication.

The total communication discharge amount may be a quotient of the communication energy consumption data divided by a power supply efficiency of the storage battery when the photovoltaic tracker communicates.

And taking the sum of the total rotation discharge amount and the total communication discharge amount as the total discharge amount of the storage battery in the service period.

According to the embodiment, based on the power supply efficiency of rotation and communication respectively obtained, the discharge amount of the storage battery to the rotation motor and the communication module is respectively estimated, so that the reference of the power supply efficiency parameter can be improved, and the accuracy of configuring the capacity of the storage battery is further improved.

In an exemplary embodiment, determining rotational energy consumption data of the photovoltaic tracker under the battery powered condition according to the unit rotational energy consumption parameter, the rotational amount, and the service duration requirement includes:

and in the photovoltaic group series power supply mode, acquiring the irradiation value data of the place where the photovoltaic tracker is positioned.

The photovoltaic string power supply mode may be a period of time when the sunlight intensity is enough for the photovoltaic string to generate power, the photovoltaic string charges the storage battery and simultaneously supplies power to the photovoltaic tracker, and the storage battery supplies power to the photovoltaic tracker in a period of time when the sunlight intensity is insufficient. The irradiation value data may be historical illumination data of the location of the photovoltaic tracker, for example, average solar light intensity data of each hour in the past year obtained by statistical data of the weather bureau of the location.

And determining the non-power generation duration in the service duration of the storage battery according to the irradiation data.

The irradiation value in the non-power generation time period is not larger than the sunlight irradiation threshold value of the photovoltaic string of the photovoltaic tracker, so that the lowest photovoltaic string charging requirement of the storage battery is ensured.

The above-described non-electricity-generating period may be a total period in which the solar light intensity in the past year is insufficient for the photovoltaic string to generate electricity.

And determining the rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the non-power generation duration.

The rotation energy consumption data may be a product of the unit rotation energy consumption parameter, the rotation amount, and the non-generated time period.

According to the embodiment, in the mode of power supply of the photovoltaic module, the power supply duration of the storage battery is determined based on the irradiation value data, further rotation energy consumption data of the storage battery in the mode of power supply of the photovoltaic module is determined, and pertinency and accuracy of configuration of the storage battery capacity of the photovoltaic tracker for power supply of the photovoltaic string are further improved.

In an exemplary embodiment, performing an operation test on the above-mentioned photovoltaic tracker to obtain a unit rotation energy consumption parameter and a unit communication energy consumption parameter of a driving motor in the photovoltaic tracker, including:

And performing operation tests on the photovoltaic tracker under different temperature working conditions to obtain the average unit rotation energy consumption parameter and the average unit communication energy consumption parameter of the driving motor in the photovoltaic tracker within the working temperature range of the photovoltaic tracker.

The different temperature conditions may be between-25 ℃ and 50 ℃. The average unit rotation energy consumption parameter and the average unit communication energy consumption parameter may be obtained by dividing rotation energy consumption and communication energy consumption of a driving motor in the photovoltaic tracker for a certain time by a test duration.

Through the embodiment, the operation test is performed under different temperature working conditions, and the test results under each temperature working condition are averaged, so that the application range of the unit rotation energy consumption parameter and the unit communication energy consumption parameter of the driving motor in the photovoltaic tracker is improved, and the accuracy of the configuration of the storage battery capacity of the photovoltaic tracker is further improved.

In an exemplary embodiment, the step 102 includes:

and carrying out charge and discharge tests on the storage battery under different temperature working conditions to obtain the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker communicates.

Through the embodiment, the charge and discharge tests are performed under different temperature working conditions, and then the test results under each temperature working condition are averaged, so that the application range of the storage battery to each power supply efficiency of the photovoltaic tracker is improved, and the accuracy of configuration of the storage battery capacity of the photovoltaic tracker is further improved.

In an exemplary embodiment, the step 106 includes:

and determining the conventional demand capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery.

The above-described conventional demand capacity may be a demand capacity in the absence of a condition in which the battery cannot be charged for a long period of time.

And acquiring the special required capacity of the storage battery under the preset weather condition.

The above-described special demand capacity may be a demand capacity in a condition where the battery cannot be charged for a long period of time. For example, it may be in a weather where sufficient illumination is not available for a long period of time during overcast and rainy periods. The photovoltaic module can be covered by snow for a long time in snowy weather.

And taking the maximum value of the conventional demand capacity and the special demand capacity as the minimum configuration capacity.

By the embodiment, consideration of power supply requirements of special weather conditions is introduced, special required capacity under the preset weather conditions is determined, the conventional required capacity and the special required capacity are compared, and the larger configuration capacity of the storage battery is used as the configuration capacity of the storage battery, so that the technical effects of achieving the lowest storage battery capacity meeting design conditions and supporting the lowest storage battery capacity of the photovoltaic tracker for a certain period of time under the extreme weather conditions are achieved.

In one exemplary embodiment, obtaining the special required capacity of the storage battery under the predetermined weather condition includes:

and acquiring the communication duration requirement corresponding to the preset weather condition.

The communication duration requirement can be that the photovoltaic tracker can be supported to normally work for a certain time, such as 3 days, when no power is input.

And determining the special communication energy consumption of the photovoltaic tracker according to the communication duration requirement.

The special communication energy consumption may be determined based on the communication time period requirement and a communication unit energy consumption parameter of the photovoltaic tracker.

The capacity reduction limit may be 80%.

The special demand capacity may be a quotient of the special communication energy consumption divided by the power supply efficiency divided by the capacity reduction limit.

Through the embodiment, the special communication energy consumption is determined based on the communication duration requirement, and the special demand capacity corresponding to the storage battery is obtained by referring to the capacity reduction limit and the power supply efficiency, so that the technical effect that the storage battery supplies power for the photovoltaic tracker in a communication manner for a certain duration under special weather conditions is achieved.

Fig. 2 is a flow chart of a method for configuring the capacity of a battery of a photovoltaic tracker according to an alternative embodiment of the present invention, as shown in fig. 2, including:

and 102, testing the operation energy consumption of the photovoltaic tracker to obtain the energy consumption of the conventional communication between the rotation of the bracket (namely the driving motor) and the controller (namely the communication module).

And 104, testing and calculating the power supply efficiency of the storage battery in conventional communication between the rotation of the bracket and the controller under different temperature working conditions.

Step 1061, calculating the battery discharge energy for 5 years based on the local hour level typical meteorological data.

Step 1062, calculating the battery discharge energy based on the local terminal weather and the related demand conditions.

Step 1081, calculating a qualified battery capacity configuration B1 based on the battery cycle life.

Step 1082, calculating a qualified battery capacity configuration B2 based on the battery cycle life.

Step 110, an optimal battery capacity configuration b=max (B1, B2) is determined.

FIG. 3 is a schematic diagram of a small component power mode of an alternative embodiment of the present invention, as shown in FIG. 3, comprising: the device comprises a small component, a storage battery pack, a motor driving module and a controller communication module;

in the small component power supply mode, the small component light energy power generation can charge a storage battery pack, and the storage battery pack supplies power for the motor driving module and the controller communication module in real time.

Fig. 4 is a schematic diagram of a photovoltaic string power mode according to an alternative embodiment of the present invention, as shown in fig. 4, including: the photovoltaic module comprises a photovoltaic string, a storage battery pack, a motor driving module and a controller communication module;

in the photovoltaic group string power supply mode, photovoltaic group string light energy power generation can charge a storage battery, and simultaneously power is supplied to a motor driving module and a controller communication module in real time; when the photovoltaic string cannot generate electricity, the storage battery pack supplies power for the motor driving module and the controller communication module in real time.

According to another aspect of the embodiments of the present disclosure, there is further provided a battery capacity configuration apparatus of a photovoltaic tracker, and fig. 5 is a schematic diagram of the battery capacity configuration apparatus of the photovoltaic tracker according to the embodiments of the present disclosure, as shown in fig. 5, including:

the acquisition module is used for acquiring the energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery and the power supply efficiency of the storage battery to the photovoltaic tracker.

And the discharge capacity determining module is used for determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency.

And the capacity determining module is used for determining the lowest configuration capacity of the storage battery according to the total discharge capacity of the service period of the storage battery and the cycle life parameter of the storage battery.

In the embodiment of the disclosure, the device is used for acquiring the energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery and the power supply efficiency of the storage battery to the photovoltaic tracker. And determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency. And determining the lowest allocation capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery. Wherein the cycle life parameter includes a capacity reduction limit of the battery and a corresponding cycle number. The technical problem that how to comprehensively consider the hardware cost and the capacity and configure the capacity of the storage battery in the related technology can be solved, and the technical effect of accurately and conveniently configuring the capacity of the storage battery of the photovoltaic tracker is achieved by considering the cycle life and the power supply efficiency of the storage battery in the process of configuring the capacity of the storage battery.

In an exemplary embodiment, the acquiring module includes:

and the operation test sub-module is used for performing operation test on the photovoltaic tracker to obtain the unit rotation energy consumption parameter and the unit communication energy consumption parameter of the driving motor in the photovoltaic tracker.

And the acquisition sub-module is used for acquiring the rotation quantity of the photovoltaic tracker and the service length requirement of the storage battery.

And the rotation energy consumption data sub-module is used for determining rotation energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit rotation energy consumption parameter, the rotation quantity and the service duration requirement.

And the communication energy consumption data sub-module is used for determining communication energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery according to the unit communication energy consumption parameter and the service duration requirement.

In an exemplary embodiment, the acquiring module includes:

In one exemplary embodiment, the discharge amount determining module includes:

and the total rotation discharge amount determining sub-module is used for determining the total rotation discharge amount of the storage battery for supplying power to a driving motor in the photovoltaic tracker in the service period according to the rotation energy consumption data and the power supply efficiency of the storage battery when the photovoltaic tracker rotates.

And the total communication discharge amount determining sub-module is used for determining the total communication discharge amount of the storage battery for supplying power for the photovoltaic tracker in the service period according to the communication energy consumption data and the power supply efficiency of the storage battery during the communication of the photovoltaic tracker.

and the irradiation data acquisition unit is used for acquiring the irradiation value data of the place where the photovoltaic tracker is positioned in the photovoltaic group series power supply mode.

And the non-power generation duration determining unit is used for determining the non-power generation duration in the service duration of the storage battery according to the irradiation data.

In an exemplary embodiment, the operation test sub-module includes:

and the average energy consumption acquisition unit is used for carrying out operation test on the photovoltaic tracker under different temperature working conditions to obtain the average unit rotation energy consumption parameter and the average unit communication energy consumption parameter of the driving motor in the photovoltaic tracker within the working temperature range of the photovoltaic tracker.

In an exemplary embodiment, the acquiring module includes:

the average efficiency obtaining submodule is used for carrying out charge and discharge tests on the storage battery under different temperature working conditions to obtain the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker rotates and the average power supply efficiency of the storage battery in the working temperature range of the storage battery when the photovoltaic tracker communicates.

In one exemplary embodiment, the capacity determining module includes:

and the conventional required capacity determining submodule is used for determining the conventional required capacity of the storage battery according to the total discharge capacity of the service period of the storage battery and the cycle life parameter of the storage battery.

And the special required capacity determining submodule is used for acquiring the special required capacity of the storage battery under the preset weather condition.

And the comparison sub-module is used for taking the maximum value of the conventional required capacity and the special required capacity as the minimum configuration capacity.

and the communication duration requirement acquisition unit is used for acquiring the communication duration requirement corresponding to the preset weather condition.

And the special communication energy consumption determining unit is used for determining the special communication energy consumption of the photovoltaic tracker according to the communication duration requirement.

And a special required capacity determining unit configured to determine the special required capacity based on the special communication power consumption, the power supply efficiency, and the capacity reduction limit.

The capacity reduction limit may be 80%.

The embodiment of the present disclosure further provides a computer device, and fig. 6 is a schematic diagram of the computer device in the embodiment of the present disclosure, where the computer device is capable of implementing all the steps in the storage battery capacity configuration method of the photovoltaic tracker in the foregoing embodiment, and the computer device specifically includes the following contents:

a processor 601, a memory 602, a communication interface (Communications Interface) 603, and a communication bus 604.

The processor 601, the memory 602, and the communication interface 603 perform communication with each other through the communication bus 604. The communication interface 603 is used to enable information transfer between related devices.

The processor 601 is configured to call the computer program in the memory 602, and when the processor executes the computer program, the storage battery capacity configuration method of the photovoltaic tracker in the above embodiment is implemented.

Optionally, in an embodiment, the computer program instructions implement the following steps when executed by a processor:

step S1, energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery and power supply efficiency of the storage battery to the photovoltaic tracker are obtained.

And S2, determining the total discharge capacity of the storage battery in the service period according to the energy consumption data and the power supply efficiency.

And step S3, determining the lowest configuration capacity of the storage battery according to the total discharge capacity of the storage battery in the service period and the cycle life parameter of the storage battery.

The disclosed embodiments also provide a computer-readable storage medium storing a computer program that, in response to execution of the computer program by a processor, implements the operations of the battery capacity configuration method of a photovoltaic tracker described above.

The disclosed embodiments also provide a computer program product comprising a computer program which, when executed by a processor, implements: the storage battery capacity configuration method of the photovoltaic tracker.

While the present disclosure provides method operational steps as described above in the examples or flowcharts, more or fewer operational steps may be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one way of performing the order of steps and does not represent a unique order of execution. When implemented by an actual device or client product, the instructions may be executed sequentially or in parallel (e.g., in a parallel processor or a multithreaded processor) in accordance with the methods shown in the embodiments or figures.

It will be appreciated by those skilled in the art that embodiments of the present description may be provided as a method, apparatus (system) or computer program product. Accordingly, the present specification embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments. In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other. The present disclosure is not limited to any single aspect, nor to any single embodiment, nor to any combination and/or permutation of these aspects and/or embodiments. Moreover, each aspect and/or embodiment of the disclosure may be used alone or in combination with one or more other aspects and/or embodiments.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure, and are not limited thereto. Although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with equivalents. Such modifications and substitutions do not depart from the spirit of the embodiments of the disclosure, and are intended to be included within the scope of the claims and specification of the present disclosure.

Claims

1. A battery capacity configuration method for a photovoltaic tracker, comprising:

2. The method for configuring the capacity of a storage battery of a photovoltaic tracker according to claim 1, wherein obtaining energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery comprises:

3. The method for configuring the capacity of a storage battery of a photovoltaic tracker according to claim 2, wherein obtaining energy consumption data of the photovoltaic tracker under the condition of power supply of the storage battery comprises:

4. The battery capacity allocation method of a photovoltaic tracker according to claim 3, wherein determining a total discharge amount in service of the battery according to the energy consumption data and the power supply efficiency comprises:

5. The method for configuring the battery capacity of the photovoltaic tracker according to any one of claims 2 to 4, wherein determining rotational energy consumption data of the photovoltaic tracker under the condition of power supply of the battery according to the unit rotational energy consumption parameter, the rotational quantity and the service duration requirement comprises:

6. The method for configuring a battery capacity of a photovoltaic tracker according to any one of claims 2 to 4, wherein performing an operation test on the photovoltaic tracker to obtain a unit rotation energy consumption parameter and a unit communication energy consumption parameter of a driving motor in the photovoltaic tracker includes:

7. The battery capacity allocation method of a photovoltaic tracker according to any one of claims 1 to 4, wherein obtaining power supply efficiency of the battery to the photovoltaic tracker comprises:

8. The method of battery capacity allocation for a photovoltaic tracker according to any of claims 1-4, wherein determining the lowest allocation capacity of the battery based on the total capacity of the battery in service and the cycle life parameter of the battery comprises:

9. The method of claim 8, wherein obtaining a special demand capacity of the battery under predetermined weather conditions comprises:

10. A battery capacity allocation apparatus of a photovoltaic tracker, comprising:

11. The battery capacity allocation device of a photovoltaic tracker according to claim 10, wherein the acquisition module comprises:

12. The battery capacity allocation apparatus of a photovoltaic tracker according to claim 11, wherein the acquisition module comprises:

13. The battery capacity allocation device of a photovoltaic tracker according to claim 12, wherein the discharge amount determination module includes:

14. The battery capacity allocation device of a photovoltaic tracker according to any of claims 11-13, wherein the rotational energy consumption data sub-module comprises:

15. The battery capacity allocation device of a photovoltaic tracker according to any of claims 11-13, wherein the operation test sub-module comprises:

16. The battery capacity allocation device of a photovoltaic tracker according to any one of claims 10 to 13, wherein the acquisition module comprises:

17. The battery capacity allocation device of a photovoltaic tracker according to any one of claims 10-13, wherein the capacity determination module comprises:

18. The battery capacity allocation device of a photovoltaic tracker according to claim 17, wherein the special demand capacity determination sub-module comprises:

19. A computer device, the computer device comprising: a processor adapted to implement instructions and a storage device storing instructions adapted to be loaded by the processor and to perform the method of battery capacity configuration of a photovoltaic tracker according to any of claims 1 to 9.

20. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the battery capacity configuration method of the photovoltaic tracker of any one of claims 1 to 9.

21. A computer program product, characterized in that it comprises a computer program which, when executed by a processor, implements the method of configuring the battery capacity of a photovoltaic tracker according to any of claims 1 to 9.