CN116107350A - Efficient photovoltaic power generation system - Google Patents
Efficient photovoltaic power generation system Download PDFInfo
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- CN116107350A CN116107350A CN202211523640.1A CN202211523640A CN116107350A CN 116107350 A CN116107350 A CN 116107350A CN 202211523640 A CN202211523640 A CN 202211523640A CN 116107350 A CN116107350 A CN 116107350A
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- 238000005286 illumination Methods 0.000 claims abstract description 17
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
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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
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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
Abstract
The invention relates to the technical field of photovoltaic power generation, and discloses a high-efficiency photovoltaic power generation system which comprises a photovoltaic power generation assembly, a solar illumination angle sensor, a motor, a power generation calculation module, a judgment module and a control module, wherein the photovoltaic power generation assembly is used for converting light energy into electric energy, the solar illumination angle sensor is used for collecting the incident angle of sunlight, the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight, the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within a preset time, the judgment module is used for judging whether the photovoltaic power generation assembly is at an optimal power generation angle according to the first power generation amount and the second power generation amount, and the control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judgment module and controls the motor, the power generation calculation module and the judgment module. According to the invention, the angle of the photovoltaic power generation assembly can be adjusted without manually moving the photovoltaic power generation assembly, so that time and labor are saved, the power generation efficiency of the photovoltaic power generation assembly is improved, and the light energy utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a high-efficiency photovoltaic power generation system.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar panel (assembly), a controller and an inverter, wherein the main parts are composed of electronic components. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller to form a photovoltaic power generation device, so that how to effectively utilize solar energy and improve the power generation capacity of the photovoltaic module is an important problem.
Traditional photovoltaic module all installs towards a direction, can not track the sun direction of shining throughout the day, and when traditional photovoltaic module need adjust photovoltaic board light receiving angle, need dismantle, the equipment by the staff to photovoltaic module, traditional photovoltaic module mounting means can not realize the automatic regulation of photovoltaic module angle, consequently, traditional photovoltaic module has reduced the rate of utilization of sunlight, can not make photovoltaic module be in the best power generation state, and traditional photovoltaic module need be adjusted by the staff, waste time and energy, can't guarantee photovoltaic module's generating efficiency.
Therefore, how to provide a photovoltaic power generation system capable of improving the power generation efficiency of a photovoltaic module is a technical problem to be solved at present.
Disclosure of Invention
The embodiment of the invention provides a high-efficiency photovoltaic power generation system, which is used for solving the technical problems that in the prior art, a photovoltaic module cannot be positioned at an optimal power generation angle, the power generation efficiency of the photovoltaic module cannot be improved, and the light energy cannot be utilized to the maximum extent.
In order to achieve the above object, the present invention provides a high-efficiency photovoltaic power generation system comprising:
the photovoltaic power generation assembly is used for converting light energy into electric energy;
the sunlight illumination angle sensor is used for collecting the incident angle of sunlight in real time;
the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight;
the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within preset time;
the judging module is used for judging whether the photovoltaic power generation assembly is at an optimal power generation angle or not according to the first power generation amount and the second power generation amount of the photovoltaic power generation assembly;
the control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judgment module, and manages and controls the motor, the power generation calculation module and the judgment module.
In one embodiment, the control module includes:
the acquisition unit is used for acquiring data information of the solar illumination angle sensor and the power generation calculation module;
the processing unit is used for setting working state parameters of the motor, the power generation calculation module and the judging module according to the data information;
and the control unit is used for controlling the motor, the power generation calculation module and the judgment module according to the working state parameters.
In one embodiment, in the collecting unit, an incident angle a of the sunlight is collected;
in the processing unit, a rotational speed and a rotational time of the motor are set according to an incident angle a of the sunlight.
In one embodiment, the processing unit is configured to preset an incident angle matrix B of sunlight, and set B (B1, B2, B3, B4), where B1 is a first preset incident angle, B2 is a second preset incident angle, B3 is a third preset incident angle, B4 is a fourth preset incident angle, and B1 < B2 < B3 < B4;
the processing unit is used for presetting a rotation speed matrix C of the motor, setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset rotation speed, C2 is a second preset rotation speed, C3 is a third preset rotation speed, C4 is a fourth preset rotation speed, C5 is a fifth preset rotation speed, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
The processing unit is used for presetting a rotation time matrix D of the motor, setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset rotation time, D2 is a second preset rotation time, D3 is a third preset rotation time, D4 is a fourth preset rotation time, D5 is a fifth preset rotation time, D1 is more than D2 and less than D3 and less than D4 and less than D5;
the processing unit is also used for setting the rotation speed and the rotation time of the motor according to the relation between the incident angle A of the sunlight and the incident angle of each preset sunlight:
when A is smaller than B1, selecting the first preset rotating speed C1 as the rotating speed of the motor, and selecting the first preset rotating time D1 as the rotating time of the motor;
when B1-A is smaller than B2, selecting the second preset rotating speed C2 as the rotating speed of the motor, and selecting the second preset rotating time D2 as the rotating time of the motor;
when B2 is less than or equal to A and less than B3, selecting the third preset rotating speed C3 as the rotating speed of the motor, and selecting the third preset rotating time D3 as the rotating time of the motor;
when B3 is less than or equal to A and less than B4, selecting the fourth preset rotating speed C4 as the rotating speed of the motor, and selecting the fourth preset rotating time D4 as the rotating time of the motor;
When B4 is less than or equal to A, selecting the fifth preset rotating speed C5 as the rotating speed of the motor, and selecting the fifth preset rotating time D5 as the rotating time of the motor.
In one embodiment, when the rotational speed of the motor and the rotational time of the motor are respectively set to an i-th preset rotational speed Ci and an i-th preset rotational time Di, i=1, 2,3,4,5, and the control unit controls the motor according to the i-th preset rotational speed Ci and the i-th preset rotational time Di, and then controls the power generation calculation module to calculate the first power generation amount E of the photovoltaic power generation module within a preset time;
the judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the first power generation amount E and the preset power generation amount alpha,
if the first power generation amount E is larger than or equal to the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the first power generation amount E is smaller than the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
In one embodiment, after the judging module judges that the photovoltaic power generation assembly is not at the optimal power generation angle, the collecting unit collects a power generation amount difference value alpha-E between the first power generation amount E and a preset power generation amount alpha;
and the processing unit corrects the rotation speed and the rotation time of the motor according to the generated energy difference value alpha-E.
In one embodiment, the processing unit is configured to preset a power generation amount difference matrix G, and set G (G1, G2, G3, G4), where G1 is a first preset power generation amount difference, G2 is a second preset power generation amount difference, G3 is a third preset power generation amount difference, G4 is a fourth preset power generation amount difference, and G1 < G2 < G3 < G4;
the processing unit is used for presetting a rotational speed correction coefficient matrix h of the motor, setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset rotational speed correction coefficient, h2 is a second preset rotational speed correction coefficient, h3 is a third preset rotational speed correction coefficient, h4 is a fourth preset rotational speed correction coefficient, h5 is a fifth preset rotational speed correction coefficient, and h1 is more than 0.8 and less than h2 and less than h4 and less than h5 and less than 1.2;
the processing unit is used for presetting a rotation time correction coefficient matrix y of the motor, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset rotation time correction coefficient, y2 is a second preset rotation time correction coefficient, y3 is a third preset rotation time correction coefficient, y4 is a fourth preset rotation time correction coefficient, y5 is a fifth preset rotation time correction coefficient, and y1 is more than 0.8 and less than y2 and y3 is more than 0 and less than y4 and less than y5 and less than 1.2;
The processing unit is also used for correcting the rotation speed and the rotation time of the motor according to the relation between the generated energy difference value alpha-E and each preset generated energy difference value:
when alpha-E is smaller than G1, the first preset rotating speed correction coefficient h1 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h1, the first preset rotating time correction coefficient y1 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y1;
when G1 is less than or equal to alpha-E and less than G2, selecting the second preset rotating speed correction coefficient h2 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h2, and selecting the second preset rotating time correction coefficient y2 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y2;
when G2 is less than or equal to alpha-E and less than G3, selecting the third preset rotating speed correction coefficient h3 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h3, and selecting the third preset rotating time correction coefficient y3 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y3;
When G3 is less than or equal to alpha-E and less than G4, the fourth preset rotating speed correction coefficient h4 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h4, the fourth preset rotating time correction coefficient y4 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y4;
when G4 is less than or equal to alpha-E, the fifth preset rotating speed correction coefficient h5 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h5, the fifth preset rotating time correction coefficient y5 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y5.
In one embodiment, when the rotational speed of the motor and the rotational time of the motor are set to an i-th preset rotational speed ci×hi and an i-th preset rotational time di×yi, the processing unit i=1, 2,3,4,5, and the control unit controls the motor according to the i-th preset rotational speed ci×hi and the i-th preset rotational time ci×hi, and then the control unit controls the power generation calculation module to calculate the second power generation amount K of the photovoltaic power generation module within a preset time;
The judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the second power generation amount K and the preset power generation amount alpha,
if the second generated energy K is larger than or equal to the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the second generated energy K is smaller than the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
In one embodiment, after the judging module judges that the photovoltaic power generation assembly is not at the optimal power generation angle, the collecting unit collects a second power generation amount difference value alpha-K between the second power generation amount K and a preset power generation amount alpha;
and the processing unit carries out secondary correction on the rotation speed and the rotation time of the motor according to the second generating capacity difference value alpha-K.
In one embodiment, the processing unit is configured to preset a second power generation amount difference matrix L, and set L (L1, L2, L3, L4), where L1 is a first preset second power generation amount difference, L2 is a second preset second power generation amount difference, L3 is a third preset second power generation amount difference, L4 is a fourth preset second power generation amount difference, and L1 < L2 < L3 < L4;
The processing unit is used for presetting a rotational speed secondary correction coefficient matrix m of the motor, setting m (m 1, m2, m3, m4 and m 5), wherein m1 is a first preset rotational speed secondary correction coefficient, m2 is a second preset rotational speed secondary correction coefficient, m3 is a third preset rotational speed secondary correction coefficient, m4 is a fourth preset rotational speed secondary correction coefficient, m5 is a fifth preset rotational speed secondary correction coefficient, and m1 is more than 0.9 and less than m2 and less than m4 and less than m5 and less than 1.1;
the processing unit is used for presetting a rotation time secondary correction coefficient matrix n of the motor, setting n (n 1, n2, n3, n4 and n 5), wherein n1 is a first preset rotation time secondary correction coefficient, n2 is a second preset rotation time secondary correction coefficient, n3 is a third preset rotation time secondary correction coefficient, n4 is a fourth preset rotation time secondary correction coefficient, n5 is a fifth preset rotation time secondary correction coefficient, and n1 is more than 0.9 and less than n2 and less than n3 and less than n4 and less than n5 and less than 1.1;
the processing unit is further used for carrying out secondary correction on the rotation speed and the rotation time of the motor according to the relation between the second generating capacity difference value alpha-K and each preset second generating capacity difference value:
when alpha-K is smaller than L1, the first preset rotating speed secondary correction coefficient m1 is selected to correct the ith preset rotating speed Ci x hi, the rotating speed of the corrected motor is Ci x hi m1, the first preset rotating time secondary correction coefficient n1 is selected to correct the ith preset rotating time Di x yi, and the rotating time of the corrected motor is Di x yi x n1;
When L1 is less than or equal to α -K < L2, selecting the second preset rotational speed secondary correction coefficient m2 to correct the ith preset rotational speed ci×hi, wherein the rotational speed of the corrected motor is ci×hi×m2, selecting the second preset rotational time secondary correction coefficient n2 to correct the ith preset rotational time D i ×yi, and the rotational time of the corrected motor is di×yi×n2;
when L2 is less than or equal to α -K < L3, selecting the third preset rotational speed secondary correction coefficient m3 to correct the ith preset rotational speed ci× h i, wherein the rotational speed of the corrected motor is ci× h i ×m3, selecting the third preset rotational time secondary correction coefficient n3 to correct the ith preset rotational time D i ×yi, and the rotational time of the corrected motor is di×yi×n3;
when L3 is less than or equal to α -K is less than L4, selecting the fourth preset rotational speed secondary correction coefficient m4 to correct the ith preset rotational speed Ci x h i, wherein the rotational speed of the corrected motor is Ci x h i x m4, selecting the fourth preset rotational time secondary correction coefficient n4 to correct the ith preset rotational time D i x yi, and the rotational time of the corrected motor is Di x yi x n4;
when L4 is less than or equal to α -K, the fifth preset rotational speed secondary correction coefficient m5 is selected to correct the ith preset rotational speed ci× h i, the rotational speed of the corrected motor is C i × h i ×m5, the fifth preset rotational time secondary correction coefficient n5 is selected to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n5.
The invention provides a high-efficiency photovoltaic power generation system, which has the following beneficial effects compared with the prior art:
the solar energy photovoltaic power generation system comprises a photovoltaic power generation assembly, a solar illumination angle sensor, a motor, a power generation calculation module, a judging module and a control module, wherein the photovoltaic power generation assembly is used for converting light energy into electric energy, the solar illumination angle sensor is used for collecting the incident angle of sunlight, the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight, the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within a preset time, the judging module is used for judging whether the photovoltaic power generation assembly is at the optimal power generation angle according to the first power generation amount and the second power generation amount, and the control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judging module and controls the motor, the power generation calculation module and the judging module. According to the invention, the angle of the photovoltaic power generation assembly can be adjusted without manually moving the photovoltaic power generation assembly, so that time and labor are saved, the power generation efficiency of the photovoltaic power generation assembly is improved, and the light energy utilization rate is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency photovoltaic power generation system according to an embodiment of the present invention;
FIG. 2 illustrates a functional block diagram of a control module in an embodiment of the invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The following is a description of preferred embodiments of the invention, taken in conjunction with the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention discloses a high efficiency photovoltaic power generation system, comprising:
the photovoltaic power generation assembly is used for converting light energy into electric energy;
the sunlight illumination angle sensor is used for collecting the incident angle of sunlight in real time;
the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight;
the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within preset time;
the judging module is used for judging whether the photovoltaic power generation assembly is at an optimal power generation angle or not according to the first power generation amount and the second power generation amount of the photovoltaic power generation assembly;
The control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judgment module, and manages and controls the motor, the power generation calculation module and the judgment module.
In the embodiment, the angle of the photovoltaic power generation assembly can be adjusted without manually moving the photovoltaic power generation assembly, so that time and labor are saved, the power generation efficiency of the photovoltaic power generation assembly is improved, and the light energy utilization rate is improved.
As shown in fig. 2, in some embodiments of the present application, the control module includes:
the acquisition unit is used for acquiring data information of the solar illumination angle sensor and the power generation calculation module;
the processing unit is used for setting working state parameters of the motor, the power generation calculation module and the judging module according to the data information;
and the control unit is used for controlling the motor, the power generation calculation module and the judgment module according to the working state parameters.
In some embodiments of the present application, in the collecting unit, an incident angle a of the sunlight is collected;
in the processing unit, a rotational speed and a rotational time of the motor are set according to an incident angle a of the sunlight.
In some embodiments of the present application, the processing unit is configured to preset an incident angle matrix B of sunlight, set B (B1, B2, B3, B4), where B1 is a first preset incident angle, B2 is a second preset incident angle, B3 is a third preset incident angle, B4 is a fourth preset incident angle, and B1 < B2 < B3 < B4;
the processing unit is used for presetting a rotation speed matrix C of the motor, setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset rotation speed, C2 is a second preset rotation speed, C3 is a third preset rotation speed, C4 is a fourth preset rotation speed, C5 is a fifth preset rotation speed, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
the processing unit is used for presetting a rotation time matrix D of the motor, setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset rotation time, D2 is a second preset rotation time, D3 is a third preset rotation time, D4 is a fourth preset rotation time, D5 is a fifth preset rotation time, D1 is more than D2 and less than D3 and less than D4 and less than D5;
the processing unit is also used for setting the rotation speed and the rotation time of the motor according to the relation between the incident angle A of the sunlight and the incident angle of each preset sunlight:
When A is smaller than B1, selecting the first preset rotating speed C1 as the rotating speed of the motor, and selecting the first preset rotating time D1 as the rotating time of the motor;
when B1-A is smaller than B2, selecting the second preset rotating speed C2 as the rotating speed of the motor, and selecting the second preset rotating time D2 as the rotating time of the motor;
when B2 is less than or equal to A and less than B3, selecting the third preset rotating speed C3 as the rotating speed of the motor, and selecting the third preset rotating time D3 as the rotating time of the motor;
when B3 is less than or equal to A and less than B4, selecting the fourth preset rotating speed C4 as the rotating speed of the motor, and selecting the fourth preset rotating time D4 as the rotating time of the motor;
when B4 is less than or equal to A, selecting the fifth preset rotating speed C5 as the rotating speed of the motor, and selecting the fifth preset rotating time D5 as the rotating time of the motor.
In this embodiment, the processing unit is configured to set the rotation speed and rotation time of the motor according to the relationship between the incident angle a of the sunlight and the incident angle of each preset sunlight, and by setting the rotation speed and rotation time of the motor, the invention can realize accurate adjustment of the angle of the photovoltaic power generation assembly, meanwhile, no human participation exists, thereby reducing the error rate and improving the working efficiency.
In some embodiments of the present application, when the rotational speed of the motor and the rotational time of the motor are set to an i-th preset rotational speed Ci and an i-th preset rotational time Di, i=1, 2,3,4,5, respectively, the control unit controls the motor according to the i-th preset rotational speed Ci and the i-th preset rotational time Di, and then the control unit controls the power generation calculation module to calculate the first power generation amount E of the photovoltaic power generation module within a preset time;
the judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the first power generation amount E and the preset power generation amount alpha,
if the first power generation amount E is larger than or equal to the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the first power generation amount E is smaller than the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
In this embodiment, when the rotational speed of the motor and the rotational time of the motor are set to the i-th preset rotational speed Ci and the i-th preset rotational time Di, respectively, i=1, 2,3,4,5, the control unit controls the motor according to the i-th preset rotational speed Ci and the i-th preset rotational time Di, calculates the first power generation amount E of the photovoltaic power generation assembly within the preset time after the control, and can determine whether the photovoltaic power generation assembly can reach the preset power generation amount by calculating the first power generation amount, so that the photovoltaic power generation assembly can be ensured to be at the optimal power generation angle, and efficiency is effectively improved.
In some embodiments of the present application, after the judging module judges that the photovoltaic power generation assembly is not at the optimal power generation angle, the collecting unit collects a power generation amount difference α -E between the first power generation amount E and a preset power generation amount α;
and the processing unit corrects the rotation speed and the rotation time of the motor according to the generated energy difference value alpha-E.
In some embodiments of the present application, the processing unit is configured to preset a power generation amount difference matrix G, set G (G1, G2, G3, G4), where G1 is a first preset power generation amount difference, G2 is a second preset power generation amount difference, G3 is a third preset power generation amount difference, G4 is a fourth preset power generation amount difference, and G1 < G2 < G3 < G4;
the processing unit is used for presetting a rotational speed correction coefficient matrix h of the motor, setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset rotational speed correction coefficient, h2 is a second preset rotational speed correction coefficient, h3 is a third preset rotational speed correction coefficient, h4 is a fourth preset rotational speed correction coefficient, h5 is a fifth preset rotational speed correction coefficient, and h1 is more than 0.8 and less than h2 and less than h4 and less than h5 and less than 1.2;
the processing unit is used for presetting a rotation time correction coefficient matrix y of the motor, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset rotation time correction coefficient, y2 is a second preset rotation time correction coefficient, y3 is a third preset rotation time correction coefficient, y4 is a fourth preset rotation time correction coefficient, y5 is a fifth preset rotation time correction coefficient, and y1 is more than 0.8 and less than y2 and y3 is more than 0 and less than y4 and less than y5 and less than 1.2;
The processing unit is also used for correcting the rotation speed and the rotation time of the motor according to the relation between the generated energy difference value alpha-E and each preset generated energy difference value:
when alpha-E is smaller than G1, the first preset rotating speed correction coefficient h1 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h1, the first preset rotating time correction coefficient y1 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y1;
when G1 is less than or equal to alpha-E and less than G2, selecting the second preset rotating speed correction coefficient h2 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h2, and selecting the second preset rotating time correction coefficient y2 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y2;
when G2 is less than or equal to alpha-E and less than G3, selecting the third preset rotating speed correction coefficient h3 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h3, and selecting the third preset rotating time correction coefficient y3 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y3;
When G3 is less than or equal to alpha-E and less than G4, the fourth preset rotating speed correction coefficient h4 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h4, the fourth preset rotating time correction coefficient y4 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y4;
when G4 is less than or equal to alpha-E, the fifth preset rotating speed correction coefficient h5 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h5, the fifth preset rotating time correction coefficient y5 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y5.
In this embodiment, when the judging module judges that the photovoltaic power generation assembly is not at the optimal power generation angle, the processing unit is further configured to correct the rotation speed and rotation time of the motor according to the relationship between the power generation amount difference α -E and each preset power generation amount difference.
In some embodiments of the present application, when the rotational speed of the motor and the rotational time of the motor are set to an i-th preset rotational speed ci×hi and an i-th preset rotational time di×yi, i=1, 2,3,4,5, respectively, the control unit controls the motor according to the i-th preset rotational speed ci×hi and the i-th preset rotational time ci×hi, and then the control unit controls the power generation calculation module to calculate the second power generation amount K of the photovoltaic power generation module within a preset time;
The judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the second power generation amount K and the preset power generation amount alpha,
if the second generated energy K is larger than or equal to the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the second generated energy K is smaller than the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
In this embodiment, when the rotational speed of the motor and the rotational time of the motor are set to the i-th preset rotational speed ci×hi and the i-th preset rotational time di×yi, respectively, i=1, 2,3,4,5, and after the control unit controls the motor according to the i-th preset rotational speed ci×hi and the i-th preset rotational time ci×hi, the control unit controls the power generation calculation module to calculate the second power generation amount K of the photovoltaic power generation assembly in the preset time.
In some embodiments of the present application, after the judging module judges that the photovoltaic power generation module is not at the optimal power generation angle, the collecting unit collects a second power generation amount difference α -K between the second power generation amount K and a preset power generation amount α;
And the processing unit carries out secondary correction on the rotation speed and the rotation time of the motor according to the second generating capacity difference value alpha-K.
In some embodiments of the present application, the processing unit is configured to preset a second power generation amount difference matrix L, set L (L1, L2, L3, L4), where L1 is a first preset second power generation amount difference, L2 is a second preset second power generation amount difference, L3 is a third preset second power generation amount difference, L4 is a fourth preset second power generation amount difference, and L1 < L2 < L3 < L4;
the processing unit is used for presetting a rotational speed secondary correction coefficient matrix m of the motor, setting m (m 1, m2, m3, m4 and m 5), wherein m1 is a first preset rotational speed secondary correction coefficient, m2 is a second preset rotational speed secondary correction coefficient, m3 is a third preset rotational speed secondary correction coefficient, m4 is a fourth preset rotational speed secondary correction coefficient, m5 is a fifth preset rotational speed secondary correction coefficient, and m1 is more than 0.9 and less than m2 and less than m4 and less than m5 and less than 1.1;
the processing unit is used for presetting a rotation time secondary correction coefficient matrix n of the motor, setting n (n 1, n2, n3, n4 and n 5), wherein n1 is a first preset rotation time secondary correction coefficient, n2 is a second preset rotation time secondary correction coefficient, n3 is a third preset rotation time secondary correction coefficient, n4 is a fourth preset rotation time secondary correction coefficient, n5 is a fifth preset rotation time secondary correction coefficient, and n1 is more than 0.9 and less than n2 and less than n3 and less than n4 and less than n5 and less than 1.1;
The processing unit is further used for carrying out secondary correction on the rotation speed and the rotation time of the motor according to the relation between the second generating capacity difference value alpha-K and each preset second generating capacity difference value:
when alpha-K is smaller than L1, the first preset rotating speed secondary correction coefficient m1 is selected to correct the ith preset rotating speed Ci x hi, the rotating speed of the corrected motor is Ci x hi m1, the first preset rotating time secondary correction coefficient n1 is selected to correct the ith preset rotating time Di x yi, and the rotating time of the corrected motor is Di x yi x n1;
when L1 is less than or equal to alpha-K and less than L2, the second preset rotating speed secondary correction coefficient m2 is selected to correct the ith preset rotating speed Ci x hi, the rotating speed of the corrected motor is Ci x hi m2, the second preset rotating time secondary correction coefficient n2 is selected to correct the ith preset rotating time Di x yi, and the rotating time of the corrected motor is Di x yi x n2;
when L2 is less than or equal to α -K < L3, selecting the third preset rotational speed secondary correction coefficient m3 to correct the ith preset rotational speed ci× h i, wherein the rotational speed of the corrected motor is ci× h i ×m3, selecting the third preset rotational time secondary correction coefficient n3 to correct the ith preset rotational time D i ×yi, and the rotational time of the corrected motor is di×yi×n3;
When L3 is less than or equal to α -K is less than L4, selecting the fourth preset rotational speed secondary correction coefficient m4 to correct the ith preset rotational speed Ci x h i, wherein the rotational speed of the corrected motor is Ci x h i x m4, selecting the fourth preset rotational time secondary correction coefficient n4 to correct the ith preset rotational time D i x yi, and the rotational time of the corrected motor is Di x yi x n4;
when L4 is less than or equal to α -K, the fifth preset rotational speed secondary correction coefficient m5 is selected to correct the ith preset rotational speed ci× h i, the rotational speed of the corrected motor is C i × h i ×m5, the fifth preset rotational time secondary correction coefficient n5 is selected to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n5.
In this embodiment, if the second power generation amount K is smaller than the preset power generation amount α, the judging module judges that the photovoltaic power generation assembly is not at the optimal power generation angle, so the processing unit is further configured to perform secondary correction on the rotation speed and rotation time of the motor according to the relationship between the second power generation amount difference α -K and each preset second power generation amount difference.
In summary, the embodiment of the invention comprises a photovoltaic power generation assembly, a motor, a power generation calculation module, a judgment module, a control module and a control module, wherein the photovoltaic power generation assembly is used for converting light energy into electric energy, the solar illumination angle sensor is used for collecting the incident angle of sunlight, the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight, the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within a preset time, the judgment module is used for judging whether the photovoltaic power generation assembly is at an optimal power generation angle according to the first power generation amount and the second power generation amount, and the control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judgment module and controls the motor, the power generation calculation module and the judgment module. According to the invention, the angle of the photovoltaic power generation assembly can be adjusted without manually moving the photovoltaic power generation assembly, so that time and labor are saved, the power generation efficiency of the photovoltaic power generation assembly is improved, and the light energy utilization rate is improved.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the entire description of these combinations is not made in the present specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Those of ordinary skill in the art will appreciate that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high efficiency photovoltaic power generation system, comprising:
the photovoltaic power generation assembly is used for converting light energy into electric energy;
the sunlight illumination angle sensor is used for collecting the incident angle of sunlight in real time;
the motor is used for adjusting the angle of the photovoltaic power generation assembly according to the incident angle of the sunlight;
the power generation calculation module is used for calculating the first power generation amount and the second power generation amount of the photovoltaic power generation assembly within preset time;
the judging module is used for judging whether the photovoltaic power generation assembly is at an optimal power generation angle or not according to the first power generation amount and the second power generation amount of the photovoltaic power generation assembly;
The control module is electrically connected with the motor, the solar illumination angle sensor, the power generation calculation module and the judgment module, and manages and controls the motor, the power generation calculation module and the judgment module.
2. The high efficiency photovoltaic power generation system of claim 1, wherein the control module comprises:
the acquisition unit is used for acquiring data information of the solar illumination angle sensor and the power generation calculation module;
the processing unit is used for setting working state parameters of the motor, the power generation calculation module and the judging module according to the data information;
and the control unit is used for controlling the motor, the power generation calculation module and the judgment module according to the working state parameters.
3. The high efficiency photovoltaic power generation system of claim 2, wherein,
in the collecting unit, collecting an incident angle A of the sunlight;
in the processing unit, a rotational speed and a rotational time of the motor are set according to an incident angle a of the sunlight.
4. A high efficiency photovoltaic power generation system according to claim 3, wherein,
The processing unit is used for presetting an incidence angle matrix B of sunlight, and setting B (B1, B2, B3 and B4), wherein B1 is a first preset incidence angle, B2 is a second preset incidence angle, B3 is a third preset incidence angle, B4 is a fourth preset incidence angle, and B1 is more than 2 and less than 3 and less than 4;
the processing unit is used for presetting a rotation speed matrix C of the motor, setting C (C1, C2, C3, C4 and C5), wherein C1 is a first preset rotation speed, C2 is a second preset rotation speed, C3 is a third preset rotation speed, C4 is a fourth preset rotation speed, C5 is a fifth preset rotation speed, and C1 is more than C2 and less than C3 and less than C4 and less than C5;
the processing unit is used for presetting a rotation time matrix D of the motor, setting D (D1, D2, D3, D4 and D5), wherein D1 is a first preset rotation time, D2 is a second preset rotation time, D3 is a third preset rotation time, D4 is a fourth preset rotation time, D5 is a fifth preset rotation time, D1 is more than D2 and less than D3 and less than D4 and less than D5;
the processing unit is also used for setting the rotation speed and the rotation time of the motor according to the relation between the incident angle A of the sunlight and the incident angle of each preset sunlight:
when A is smaller than B1, selecting the first preset rotating speed C1 as the rotating speed of the motor, and selecting the first preset rotating time D1 as the rotating time of the motor;
When B1-A is smaller than B2, selecting the second preset rotating speed C2 as the rotating speed of the motor, and selecting the second preset rotating time D2 as the rotating time of the motor;
when B2 is less than or equal to A and less than B3, selecting the third preset rotating speed C3 as the rotating speed of the motor, and selecting the third preset rotating time D3 as the rotating time of the motor;
when B3 is less than or equal to A and less than B4, selecting the fourth preset rotating speed C4 as the rotating speed of the motor, and selecting the fourth preset rotating time D4 as the rotating time of the motor;
when B4 is less than or equal to A, selecting the fifth preset rotating speed C5 as the rotating speed of the motor, and selecting the fifth preset rotating time D5 as the rotating time of the motor.
5. The high efficiency photovoltaic power generation system of claim 4, wherein,
the processing unit sets the rotation speed of the motor and the rotation time of the motor as an ith preset rotation speed Ci and an ith preset rotation time Di respectively, i=1, 2,3,4,5, and the control unit controls the power generation calculation module to calculate a first power generation amount E of the photovoltaic power generation assembly in a preset time after controlling the motor according to the ith preset rotation speed Ci and the ith preset rotation time Di;
The judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the first power generation amount E and the preset power generation amount alpha,
if the first power generation amount E is larger than or equal to the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the first power generation amount E is smaller than the preset power generation amount alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
6. The high efficiency photovoltaic power generation system of claim 5, wherein,
after the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle, the acquisition unit acquires a power generation amount difference value alpha-E between the first power generation amount E and a preset power generation amount alpha;
and the processing unit corrects the rotation speed and the rotation time of the motor according to the generated energy difference value alpha-E.
7. The high efficiency photovoltaic power generation system of claim 6, wherein,
the processing unit is used for presetting a generating capacity difference matrix G and setting G (G1, G2, G3 and G4), wherein G1 is a first preset generating capacity difference, G2 is a second preset generating capacity difference, G3 is a third preset generating capacity difference, G4 is a fourth preset generating capacity difference, and G1 is more than G2 and less than G3 and less than G4;
The processing unit is used for presetting a rotational speed correction coefficient matrix h of the motor, setting h (h 1, h2, h3, h4 and h 5), wherein h1 is a first preset rotational speed correction coefficient, h2 is a second preset rotational speed correction coefficient, h3 is a third preset rotational speed correction coefficient, h4 is a fourth preset rotational speed correction coefficient, h5 is a fifth preset rotational speed correction coefficient, and h1 is more than 0.8 and less than h2 and less than h4 and less than h5 and less than 1.2;
the processing unit is used for presetting a rotation time correction coefficient matrix y of the motor, and setting y (y 1, y2, y3, y4 and y 5), wherein y1 is a first preset rotation time correction coefficient, y2 is a second preset rotation time correction coefficient, y3 is a third preset rotation time correction coefficient, y4 is a fourth preset rotation time correction coefficient, y5 is a fifth preset rotation time correction coefficient, and y1 is more than 0.8 and less than y2 and y3 is more than 0 and less than y4 and less than y5 and less than 1.2;
the processing unit is also used for correcting the rotation speed and the rotation time of the motor according to the relation between the generated energy difference value alpha-E and each preset generated energy difference value:
when alpha-E is smaller than G1, the first preset rotating speed correction coefficient h1 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h1, the first preset rotating time correction coefficient y1 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y1;
When G1 is less than or equal to alpha-E and less than G2, selecting the second preset rotating speed correction coefficient h2 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h2, and selecting the second preset rotating time correction coefficient y2 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y2;
when G2 is less than or equal to alpha-E and less than G3, selecting the third preset rotating speed correction coefficient h3 to correct the ith preset rotating speed Ci, wherein the rotating speed of the corrected motor is Ci x h3, and selecting the third preset rotating time correction coefficient y3 to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y3;
when G3 is less than or equal to alpha-E and less than G4, the fourth preset rotating speed correction coefficient h4 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h4, the fourth preset rotating time correction coefficient y4 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y4;
when G4 is less than or equal to alpha-E, the fifth preset rotating speed correction coefficient h5 is selected to correct the ith preset rotating speed Ci, the rotating speed of the corrected motor is Ci x h5, the fifth preset rotating time correction coefficient y5 is selected to correct the ith preset rotating time Di, and the rotating time of the corrected motor is Di x y5.
8. The high efficiency photovoltaic power generation system of claim 7, wherein,
the processing unit sets the rotation speed of the motor and the rotation time of the motor as an i-th preset rotation speed Ci x hi and an i-th preset rotation time Di x yi respectively, i=1, 2,3,4,5, and the control unit controls the motor according to the i-th preset rotation speed Ci x hi and the i-th preset rotation time Ci x hi, and then controls the power generation calculation module to calculate a second power generation amount K of the photovoltaic power generation assembly in a preset time;
the judging module judges whether the photovoltaic power generation assembly is at an optimal power generation angle according to the relation between the second power generation amount K and the preset power generation amount alpha,
if the second generated energy K is larger than or equal to the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is at an optimal power generation angle;
and if the second generated energy K is smaller than the preset generated energy alpha, the judging module judges that the photovoltaic power generation assembly is not positioned at the optimal power generation angle.
9. The high efficiency photovoltaic power generation system of claim 8, wherein,
the judging module judges that the photovoltaic power generation assembly is not positioned at an optimal power generation angle, and the collecting unit collects a second power generation amount difference value alpha-K between the second power generation amount K and a preset power generation amount alpha;
And the processing unit carries out secondary correction on the rotation speed and the rotation time of the motor according to the second generating capacity difference value alpha-K.
10. The high efficiency photovoltaic power generation system of claim 9, wherein,
the processing unit is used for presetting a second generating capacity difference matrix L and setting L (L1, L2, L3 and L4), wherein L1 is a first preset second generating capacity difference value, L2 is a second preset second generating capacity difference value, L3 is a third preset second generating capacity difference value, L4 is a fourth preset second generating capacity difference value, and L1 is more than L2 and less than L3 and less than L4;
the processing unit is used for presetting a rotational speed secondary correction coefficient matrix m of the motor, setting m (m 1, m2, m3, m4 and m 5), wherein m1 is a first preset rotational speed secondary correction coefficient, m2 is a second preset rotational speed secondary correction coefficient, m3 is a third preset rotational speed secondary correction coefficient, m4 is a fourth preset rotational speed secondary correction coefficient, m5 is a fifth preset rotational speed secondary correction coefficient, and m1 is more than 0.9 and less than m2 and less than m4 and less than m5 and less than 1.1;
the processing unit is used for presetting a rotation time secondary correction coefficient matrix n of the motor, setting n (n 1, n2, n3, n4 and n 5), wherein n1 is a first preset rotation time secondary correction coefficient, n2 is a second preset rotation time secondary correction coefficient, n3 is a third preset rotation time secondary correction coefficient, n4 is a fourth preset rotation time secondary correction coefficient, n5 is a fifth preset rotation time secondary correction coefficient, and n1 is more than 0.9 and less than n2 and less than n3 and less than n4 and less than n5 and less than 1.1;
The processing unit is further used for carrying out secondary correction on the rotation speed and the rotation time of the motor according to the relation between the second generating capacity difference value alpha-K and each preset second generating capacity difference value:
when alpha-K is smaller than L1, the first preset rotating speed secondary correction coefficient m1 is selected to correct the ith preset rotating speed Ci x hi, the rotating speed of the corrected motor is Ci x hi m1, the first preset rotating time secondary correction coefficient n1 is selected to correct the ith preset rotating time Di x yi, and the rotating time of the corrected motor is Di x yi x n1;
when L1 is less than or equal to α -K < L2, selecting the second preset rotational speed secondary correction coefficient m2 to correct the ith preset rotational speed C i × h i, wherein the rotational speed of the corrected motor is ci×hi×m2, selecting the second preset rotational time secondary correction coefficient n2 to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n2;
when L2 is less than or equal to α -K < L3, selecting the third preset rotational speed secondary correction coefficient m3 to correct the ith preset rotational speed C i × h i, wherein the rotational speed of the corrected motor is ci×hi×m3, selecting the third preset rotational time secondary correction coefficient n3 to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n3;
When L3 is less than or equal to α -K and less than L4, selecting the fourth preset rotational speed secondary correction coefficient m4 to correct the ith preset rotational speed C i × h i, wherein the rotational speed of the corrected motor is ci×hi×m4, and selecting the fourth preset rotational time secondary correction coefficient n4 to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n4;
when L4 is less than or equal to α -K, the fifth preset rotational speed secondary correction coefficient m5 is selected to correct the ith preset rotational speed ci×hi, the rotational speed of the corrected motor is ci×hi×m5, the fifth preset rotational time secondary correction coefficient n5 is selected to correct the ith preset rotational time di×yi, and the rotational time of the corrected motor is di×yi×n5.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116562916A (en) * | 2023-07-12 | 2023-08-08 | 国网安徽省电力有限公司经济技术研究院 | Economic benefit analysis and evaluation system for photovoltaic direct-current power distribution system |
| CN117155281A (en) * | 2023-11-01 | 2023-12-01 | 西安广林汇智能源科技有限公司 | New energy power generation monitoring system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116562916A (en) * | 2023-07-12 | 2023-08-08 | 国网安徽省电力有限公司经济技术研究院 | Economic benefit analysis and evaluation system for photovoltaic direct-current power distribution system |
| CN116562916B (en) * | 2023-07-12 | 2023-10-10 | 国网安徽省电力有限公司经济技术研究院 | Economic benefit analysis and evaluation system for photovoltaic direct-current power distribution system |
| CN117155281A (en) * | 2023-11-01 | 2023-12-01 | 西安广林汇智能源科技有限公司 | New energy power generation monitoring system and method |
| CN117155281B (en) * | 2023-11-01 | 2024-02-02 | 西安广林汇智能源科技有限公司 | New energy power generation monitoring system and method |
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