CN116562916B - Economic benefit analysis and evaluation system for photovoltaic direct-current power distribution system - Google Patents
Economic benefit analysis and evaluation system for photovoltaic direct-current power distribution system Download PDFInfo
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Abstract
The invention relates to the technical field of photovoltaic direct current power distribution, and particularly discloses an economic benefit analysis and evaluation system of a photovoltaic direct current power distribution system, which comprises the following components: the photovoltaic power plant area dividing module, the photovoltaic power plant detection module, the photovoltaic power plant benefit evaluation module, the photovoltaic power plant irradiation angle adjustment judging module, the photovoltaic power plant adjustment installation angle analyzing module, the photovoltaic power plant installation angle evaluation module, the display terminal and the cloud database are used for guaranteeing the accuracy of the adjustment angle analysis of the photovoltaic power plant, guaranteeing the operation simplicity of the analyzed adjustment angle in the adjustment process and guaranteeing the wind prevention capability of the adjustment angle in the use process.
Description
Technical Field
The invention relates to the technical field of photovoltaic direct current power distribution, in particular to an economic benefit analysis and evaluation system of a photovoltaic direct current power distribution system.
Background
The photovoltaic direct current distribution system is an energy utilization system which directly converts sunlight into electric energy by utilizing a solar photovoltaic panel, then processes such as rectification, transformation and filtering are carried out on the produced electric power, and finally the electric power is output as a practical power supply.
In the prior art, the photovoltaic direct current power distribution system can meet the current requirements to a certain extent by performing economic benefit analysis and evaluation, but has certain defects, and the method is specifically characterized in that: (1) Most of the prior art analyzes and evaluates the economic benefits of the photovoltaic direct current power distribution, and then sends the economic benefits to related management staff, the follow-up treatment attention of the economic benefits of the photovoltaic direct current power distribution is not high, the prior art ignores the economic benefits of the photovoltaic power plant in the aspect to cause the untimely treatment of the economic benefits of the photovoltaic power plant, so that the efficiency of the photovoltaic power plant in the economic benefit maintenance aspect is reduced, and the referential and the value of the economic benefit analysis of the photovoltaic power plant are further reduced.
(2) In the prior art, the analysis of the adjustment angle of the photovoltaic power generation plate in the photovoltaic power plant is not deep enough, the adjustment angle of the photovoltaic power generation plate is influenced by the adjustment difficulty, the windproof performance and the reference irradiation angle, the accuracy of the analysis of the adjustment angle of the photovoltaic power generation plate is difficult to ensure due to the neglect of the layer in the prior art, the operation simplicity of the adjustment angle of the analysis in the adjustment process is difficult to ensure under the condition that the economic benefit meets the requirement, and the windproof capability of the adjustment angle in the use process is difficult to ensure.
Disclosure of Invention
In order to overcome the defects in the background technology, the embodiment of the invention provides an economic benefit analysis and evaluation system of a photovoltaic direct current power distribution system, which can effectively solve the problems related to the background technology.
The aim of the invention can be achieved by the following technical scheme: an economic benefit analysis and evaluation system for a photovoltaic direct current power distribution system, comprising: the photovoltaic power plant region dividing module is used for dividing the photovoltaic power generation panels in the target photovoltaic power plant in an equal-area dividing mode, marking the photovoltaic power generation panels as photovoltaic power generation panel sub-regions and further obtaining all the photovoltaic power generation panel sub-regions.
And the photovoltaic power generation plate detection module is used for detecting each photovoltaic power generation plate sub-area so as to obtain the corresponding irradiation parameters of each photovoltaic power generation plate sub-area.
And the photovoltaic power generation plate benefit evaluation module is used for acquiring expected benefits of the photovoltaic power plant in a test period and analyzing economic benefit evaluation indexes corresponding to the target photovoltaic power plant according to the expected benefits.
The photovoltaic power generation panel irradiation angle adjustment judging module is used for judging whether the photovoltaic power generation panel of the target photovoltaic power plant needs to be adjusted according to the economic benefit evaluation index corresponding to the target photovoltaic power plant, and if so, analyzing the corrected power generation amount corresponding to the target photovoltaic power plant.
And the photovoltaic power generation plate adjustment installation angle analysis module is used for analyzing each proper adjustment installation angle corresponding to each photovoltaic power generation plate sub-area.
The photovoltaic power generation panel installation angle evaluation module is used for analyzing recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles, and further judging target adjustment installation angles corresponding to the photovoltaic power generation panel sub-areas.
And the display terminal is used for adjusting and displaying the target installation angle corresponding to each photovoltaic power generation panel sub-area.
The cloud database is used for storing a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount, storing areas corresponding to the photovoltaic power generation panel sub-areas, storing a relation diagram between the test irradiation angles corresponding to the areas corresponding to the photovoltaic power generation panel sub-areas and the adjustment power generation amount, storing adjustment difficulty values corresponding to the adjustment angles of the photovoltaic power generation panels, and storing main wind direction angles corresponding to the target photovoltaic power plant.
Further, the irradiation parameters include irradiation angles corresponding to time points to which each detection period belongs.
Further, the economic benefit evaluation index corresponding to the target photovoltaic power plant comprises the following specific analysis method: and acquiring the sum of the generated energy corresponding to the test period of the target photovoltaic power plant and the working time of each staff from the target photovoltaic power plant, and further analyzing the generated energy income and the comprehensive expenditure cost corresponding to the test period of the target photovoltaic power plant.
Subtracting the comprehensive expenditure cost from the generated energy gain corresponding to the target photovoltaic power plant in the test period to obtain the actual gain of the target photovoltaic power plant in the test period。
According to expected benefits of the target photovoltaic power plant in the test periodEconomic benefit evaluation index for analyzing corresponding target photovoltaic power plantCount->Wherein->Is a natural constant.
Further, the specific analysis method of the corrected power generation amount corresponding to the target photovoltaic power plant comprises the following steps: and subtracting the economic benefit evaluation index corresponding to the target photovoltaic power plant from the predefined economic benefit evaluation index threshold value to obtain the economic benefit evaluation index difference value corresponding to the target photovoltaic power plant.
And importing the economic benefit evaluation index difference value corresponding to the target photovoltaic power plant into a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount stored in the cloud database, so as to obtain the corrected power generation amount corresponding to the target photovoltaic power plant.
Further, each proper adjustment installation angle corresponding to each photovoltaic power generation panel sub-area comprises the following specific analysis method: extracting the irradiation angles corresponding to the time points of each detection period from the irradiation parameters corresponding to each photovoltaic power generation panel sub-region, further analyzing the target irradiation angles of each photovoltaic power generation panel sub-region in each detection period, and analyzing the reference irradiation angles of each photovoltaic power generation panel sub-regionWherein->Indicated as the number of each photovoltaic panel sub-area,。
subtracting the test angles corresponding to the deflection of each photovoltaic power generation panel sub-area from the target irradiation angles corresponding to each detection period to obtain the test irradiation angles corresponding to the deflection of each photovoltaic power generation panel sub-area in each detection period, and introducing the test irradiation angles into a relation diagram between the corresponding test irradiation angles and the adjustment power generation amount to obtain each photovoltaic power generation panelAdjusting generated energy corresponding to deflection of each detection periodWherein->Number expressed as each detection period, +.>，/>Number expressed as each deflection, +.>。
Analyzing the sum of the adjusted power generation amounts of the target photovoltaic power plant corresponding to each deflection。
According to the corrected generated energy corresponding to the target photovoltaic power plantSum of electric power generation amounts corresponding to the test period of the target photovoltaic power plant +.>Generating capacity coincidence coefficient corresponding to each deflection to which the target photovoltaic power plant belongs is analyzed by adjusting generating capacity sum of each deflection>。
Further, the reference irradiation angles corresponding to the sub-regions of each photovoltaic power generation panelThe specific analysis method comprises the following steps: acquiring a sum of generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area from a target photovoltaic power plant +.>。
Analyzing the duty ratio coefficient of the generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area and the total generated energy of the target photovoltaic power plant。
Screening the minimum duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area according to the duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area in each detection period。
Comprehensively analyzing the optimal evaluation coefficient of the target irradiation angle of each photovoltaic power generation panel sub-area in each detection periodWherein->、/>The influence weight factors are respectively expressed as a predefined duty ratio coefficient of the generated energy and the total generated energy, and an influence weight factor corresponding to the difference value of the duty ratio coefficient and the minimum duty ratio coefficient of the generated energy and the total generated energy.
Based on the optimal evaluation coefficients of the target irradiation angles of the photovoltaic power generation panel sub-areas in each detection period, screening the target irradiation angle corresponding to the maximum optimal evaluation coefficient as the reference irradiation angle corresponding to each photovoltaic power generation panel sub-area。
Comparing the generated energy coincidence coefficient corresponding to each deflection of the target photovoltaic power plant with a predefined generated energy coincidence coefficient threshold, and if the generated energy coincidence coefficient corresponding to a certain deflection is greater than or equal to the generated energy coincidence coefficient threshold, acquiring a test angle corresponding to each photovoltaic power generation panel sub-area in the deflection, marking the test angle as a target test angle, and further acquiring each target test angle corresponding to each photovoltaic power generation panel sub-area.
Multiplying each target test angle corresponding to each photovoltaic power generation panel sub-area by the installation offset angle corresponding to the predefined unit target test angle, and further obtaining each proper adjustment installation angle corresponding to each photovoltaic power generation panel sub-area.
Further, the generated energy corresponding to each deflection of the target photovoltaic power plant accords with a coefficient, and the specific analysis method comprises the following steps: and acquiring the corresponding areas of the photovoltaic power generation panel sub-areas from the cloud database, and combining the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the areas of the photovoltaic power generation panel sub-areas, stored in the cloud database, so as to screen the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the photovoltaic power generation panel sub-areas.
Further, the recommended adjustment evaluation indexes of the installation angles of the photovoltaic power generation panel sub-areas are respectively suitable for adjustment, and the specific analysis method comprises the following steps: extracting adjustment difficulty values of the photovoltaic power generation panels corresponding to the adjustment angles from the cloud database, and screening the adjustment difficulty values of the photovoltaic power generation panel sub-areas corresponding to the adjustment installation angles according to the adjustment installation angles of the photovoltaic power generation panel sub-areasWherein->Indicated as the number of each suitable adjustment installation angle,。
according to the corresponding installation angles of the photovoltaic power generation panel sub-areasAcquiring the ground included angle of each photovoltaic power generation panel sub-area corresponding to each proper adjustment installation angle, and combining the main wind direction angle corresponding to the target photovoltaic power plant stored in the cloud database to further acquire each photovoltaic power generation panel sub-area corresponding to each photovoltaic power generation panelThe angle between the main wind direction to which the installation angle belongs and the photovoltaic power generation panel is properly adjusted>。
Analyzing recommended adjustment evaluation indexes of each photovoltaic power generation panel sub-area corresponding to each proper adjustment installation angleWhereinExpressed as a predefined normal wind-proof angle between the main wind direction and the photovoltaic panel, < >>、/>、/>Respectively expressed as a predefined adjustment difficulty, wind resistance and a duty factor which is suitable for adjusting the installation angle and corresponds to the reference irradiation angle.
Further, the target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area comprises the following specific steps: comparing the recommended adjustment evaluation index corresponding to each proper adjustment installation angle of each photovoltaic power generation panel sub-area with a predefined recommended adjustment evaluation index threshold, and marking the proper adjustment installation angle as the proper adjustment installation angle to be analyzed if the recommended adjustment evaluation index of a proper adjustment installation angle is larger than or equal to the recommended evaluation index threshold, so as to obtain each proper adjustment installation angle to be analyzed corresponding to each photovoltaic power generation panel sub-area.
According to the recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles, the recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles to be analyzed are obtained, and are summarized, so that all the proper adjustment installation angles to be analyzed, which the target photovoltaic power plant belongs to, are obtained.
And taking the proper adjustment installation angle to be analyzed corresponding to the maximum recommended adjustment evaluation index as a target adjustment installation angle corresponding to the target photovoltaic power plant, and taking the target adjustment installation angle as a target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects: (1) According to the invention, the photovoltaic power generation plates in the target photovoltaic power plant are divided in the photovoltaic power plant area division module in an equal area division mode, so that the analysis of adjusting the installation angle of the follow-up photovoltaic power generation plates is facilitated.
(2) The invention detects the sub-region of the photovoltaic power generation plate in the photovoltaic power generation plate detection module, thereby laying a foundation for adjusting and judging the irradiation angle of the subsequent photovoltaic power generation plate.
According to the invention, the economic benefit of the target photovoltaic power plant is evaluated in the photovoltaic power generation plate benefit evaluation module, and whether the angle of the target photovoltaic power plant needs to be adjusted is judged by taking the economic benefit as a judgment standard.
According to the invention, the proper adjustment installation angle of the sub-area of the photovoltaic power generation plate is analyzed in the photovoltaic power generation plate adjustment installation angle analysis module, so that the accuracy of the adjustment angle analysis of the photovoltaic power generation plate is ensured, the operation simplicity of the analyzed adjustment angle in the adjustment process is ensured, and the windproof capability of the adjustment angle in the use process is ensured under the condition that the economic benefit meets the requirement.
According to the method, the target adjustment installation angle of the sub-region of the photovoltaic power generation panel is judged in the photovoltaic power generation panel installation angle evaluation module, and the optimal target adjustment installation angle is screened, so that the defect that the follow-up treatment attention of the economic benefit of photovoltaic direct current power distribution is not high in the prior art is overcome, the timeliness of the economic benefit related treatment of the photovoltaic power generation plant is further ensured, the efficiency of the photovoltaic power generation plant on the economic benefit maintenance level is improved, the referential and the value of the economic benefit analysis of the photovoltaic power generation plant are ensured, and the phenomenon that follow-up related personnel are wrong in adjustment and missed adjustment caused by inconsistent adjustment angles of a plurality of sub-regions of the photovoltaic power generation panel is avoided.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic diagram of the module connection of the present invention.
Fig. 2 is a schematic diagram showing the relationship between the test irradiation angle and the adjustment power generation amount of the photovoltaic power generation panel sub-area of the present invention.
Fig. 3 is a schematic view of a photovoltaic power generation panel according to the present invention, which is suitable for adjusting the installation angle.
Fig. 4 is a reference illumination angle deflection diagram of the present invention.
Reference numerals: 1. a photovoltaic power generation panel; 2. testing the angle; 3. a reference irradiation angle; 4. the installation angle is properly adjusted; 3', target illumination angle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides an economic benefit analysis and evaluation system of a photovoltaic direct current power distribution system, comprising: the device comprises a photovoltaic power plant area dividing module, a photovoltaic power generation plate detection module, a photovoltaic power generation plate benefit evaluation module, a photovoltaic power generation plate irradiation angle adjustment judgment module, a photovoltaic power generation plate adjustment installation angle analysis module, a photovoltaic power generation plate installation angle evaluation module, a display terminal and a cloud database.
The photovoltaic power plant area dividing module is connected with the photovoltaic power generation plate detection module, the photovoltaic power generation plate detection module is connected with the photovoltaic power generation plate benefit evaluation module, the photovoltaic power generation plate benefit evaluation module is connected with the photovoltaic power generation plate irradiation angle adjustment judgment module, the photovoltaic power generation plate irradiation angle adjustment judgment module is connected with the photovoltaic power generation plate adjustment installation angle analysis module, the photovoltaic power generation plate adjustment installation angle analysis module is connected with the photovoltaic power generation plate installation angle evaluation module, the photovoltaic power generation plate installation angle evaluation module is connected with the display terminal, and the cloud database is connected with the photovoltaic power generation plate irradiation angle adjustment judgment module, the photovoltaic power generation plate adjustment installation angle analysis module and the photovoltaic power generation plate installation angle evaluation module respectively.
The photovoltaic power plant region dividing module is used for dividing the photovoltaic power generation panel 1 in the target photovoltaic power plant in an equal-area dividing mode, marking the photovoltaic power generation panel 1 as a photovoltaic power generation panel sub-region and further obtaining each photovoltaic power generation panel sub-region.
According to the invention, the photovoltaic power generation plates in the target photovoltaic power plant are divided in the photovoltaic power plant area division module in an equal area division mode, so that the analysis of adjusting the installation angle of the follow-up photovoltaic power generation plates is facilitated.
The photovoltaic power generation plate detection module is used for detecting each photovoltaic power generation plate sub-area, and further obtaining the corresponding irradiation parameters of each photovoltaic power generation plate sub-area.
In a specific embodiment of the present invention, the irradiation parameters include irradiation angles corresponding to time points to which each detection period belongs.
The solar irradiation detection is performed on each photovoltaic power generation panel sub-area by using a full-automatic solar photometer, so that irradiation parameters corresponding to each photovoltaic power generation panel sub-area are obtained.
The invention detects the sub-region of the photovoltaic power generation plate in the photovoltaic power generation plate detection module, thereby laying a foundation for adjusting and judging the irradiation angle of the subsequent photovoltaic power generation plate.
The photovoltaic power generation plate benefit evaluation module is used for obtaining expected benefits of the photovoltaic power generation plant in a test period and analyzing economic benefit evaluation indexes corresponding to the target photovoltaic power generation plant according to the expected benefits.
In a specific embodiment of the present invention, the economic benefit evaluation index corresponding to the target photovoltaic power plant is specifically analyzed by the following method: and acquiring the working time length of each staff in the sum of the generated energy corresponding to the test period of the target photovoltaic power plant from the target photovoltaic power plant, and further analyzing the comprehensive expenditure cost corresponding to the test period of the target photovoltaic power plant.
The sum of the generated energy corresponding to the test period of the target photovoltaic power plant is multiplied by the price corresponding to the unit generated energy stored in the cloud database, so that the generated energy yield corresponding to the test period of the target photovoltaic power plant is obtained.
According to the working time of each employee of the target photovoltaic power plant in the test period, consideration corresponding to the unit working time of each employee of the target photovoltaic power plant in the test period is combined with consideration corresponding to the predefined unit working time of each employee of the target photovoltaic power plant in the test period, so that consideration corresponding to each employee of the target photovoltaic power plant in the test period is obtained, and the consideration is summarized, so that labor cost corresponding to the target photovoltaic power plant in the test period is obtained.
And in the same way, analyzing to obtain the equipment cost corresponding to the target photovoltaic power plant in the test period, and adding the equipment cost and the labor cost, so as to obtain the comprehensive expenditure cost corresponding to the target photovoltaic power plant in the test period.
Subtracting the comprehensive expenditure cost from the generated energy gain corresponding to the target photovoltaic power plant in the test period to obtain the actual gain of the target photovoltaic power plant in the test period。
According to expected benefits of the target photovoltaic power plant in the test periodAnalyzing economic benefit evaluation index corresponding to target photovoltaic power plant>Wherein->Is a natural constant.
According to the invention, the economic benefit of the target photovoltaic power plant is evaluated in the photovoltaic power generation plate benefit evaluation module, and whether the angle of the target photovoltaic power plant needs to be adjusted is judged by taking the economic benefit as a judgment standard.
The photovoltaic power generation panel irradiation angle adjustment judging module is used for judging whether the photovoltaic power generation panel of the target photovoltaic power plant needs to be adjusted according to the economic benefit evaluation index corresponding to the target photovoltaic power plant, and if so, analyzing the corrected power generation amount corresponding to the target photovoltaic power plant.
In a specific embodiment of the present invention, the specific analysis method of the modified power generation amount corresponding to the target photovoltaic power plant is as follows: and subtracting the economic benefit evaluation index corresponding to the target photovoltaic power plant from the predefined economic benefit evaluation index threshold value to obtain the economic benefit evaluation index difference value corresponding to the target photovoltaic power plant.
And importing the economic benefit evaluation index difference value corresponding to the target photovoltaic power plant into a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount stored in the cloud database, so as to obtain the corrected power generation amount corresponding to the target photovoltaic power plant.
It should be noted that, whether the photovoltaic power generation panel needs to be adjusted is judged, and the specific judging method is as follows: comparing the economic benefit evaluation index corresponding to the target photovoltaic power plant with a predefined economic benefit evaluation index threshold, if the economic benefit evaluation index corresponding to the target photovoltaic power plant is greater than or equal to the economic benefit evaluation index threshold, judging that the photovoltaic power generation panel of the target photovoltaic power plant does not need to be adjusted, otherwise, judging that the photovoltaic power generation panel of the target photovoltaic power plant needs to be adjusted.
The photovoltaic power generation plate adjustment installation angle analysis module is used for analyzing each proper adjustment installation angle 4 corresponding to each photovoltaic power generation plate sub-area.
Referring to fig. 3, in a specific embodiment of the present invention, the installation angle 4 of each suitable adjustment corresponding to each photovoltaic panel sub-area is specifically analyzed by: extracting the corresponding irradiation angles of each time point of each detection period from the irradiation parameters corresponding to each photovoltaic power generation panel sub-region, and further analyzing each time pointThe target irradiation angle 3' corresponding to each detection period of the photovoltaic power generation panel sub-region is analyzed and the reference irradiation angle 3 corresponding to each photovoltaic power generation panel sub-region is recorded asWherein->Number denoted by sub-area of each photovoltaic panel, ">。
It should be noted that, the specific method for analyzing the target irradiation angle 3' corresponding to each detection period in each photovoltaic power generation panel sub-area includes: and selecting the irradiation angle with the largest occurrence number from the irradiation angles based on the irradiation angles corresponding to the time points of the detection periods of the sub-areas of the photovoltaic power generation plates, and marking the irradiation angle as the reference irradiation angle, thereby obtaining the reference irradiation angle of the sub-areas of the photovoltaic power generation plates in the detection periods.
And carrying out average processing on the irradiation angles of the photovoltaic power generation panel sub-areas corresponding to the time points of the detection periods, so as to obtain the average irradiation angles of the photovoltaic power generation panel sub-areas corresponding to the detection periods.
And carrying out average processing on the reference irradiation angle and the average irradiation angle corresponding to each detection period of each photovoltaic power generation panel sub-region, and taking a processing result as a target irradiation angle to further obtain a target irradiation angle 3' corresponding to each detection period of each photovoltaic power generation panel sub-region.
The graph of the relationship between the test irradiation angle corresponding to the sub-region of the photovoltaic panel and the adjustment power generation amount is shown in fig. 2, wherein the x-axis represents the test irradiation angle, the y-axis represents the adjustment power generation amount, and x1 represents the reference irradiation angle 3.
Subtracting the test angle 2 corresponding to each deflection from the target irradiation angle corresponding to each detection period of each photovoltaic power generation panel sub-region to obtain the test irradiation angle corresponding to each deflection of each detection period of each photovoltaic power generation panel sub-region, and further obtainingThe deflection of each photovoltaic power generation panel sub-area in each detection period is obtained by leading the deflection of each photovoltaic power generation panel sub-area in a relation diagram between the corresponding test irradiation angle and the adjustment power generation amountWherein->Number expressed as each detection period, +.>，/>Number expressed as each deflection, +.>。
Referring to fig. 4, in a specific embodiment, fig. 4 (1) is a comparison chart of (2), and as shown in fig. 4 (2), a target irradiation angle 3' corresponding to a certain detection period of the photovoltaic power generation panel sub-region is subtracted by a predefined test angle 2, so as to obtain a test irradiation angle corresponding to a single deflection of the photovoltaic power generation panel sub-region in the detection period, so as to obtain a test irradiation angle corresponding to each deflection of each photovoltaic power generation panel sub-region 1 in each detection period.
Analyzing the sum of the adjusted power generation amounts of the target photovoltaic power plant corresponding to each deflection。
According to the corrected generated energy corresponding to the target photovoltaic power plantSum of electric power generation amounts corresponding to the test period of the target photovoltaic power plant +.>Analyzing the generated energy coincidence coefficient corresponding to each deflection of the target photovoltaic power plant by the sum of the generated energy adjustment of each deflection/>。
In a specific embodiment of the present invention, the reference irradiation angle 3 corresponding to each photovoltaic power generation panel sub-area is specifically analyzed by: acquiring the sum of the generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area from the target photovoltaic power plant。
Analyzing the duty ratio coefficient of the generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area and the total generated energy of the target photovoltaic power plant。
Screening the minimum duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area according to the duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area in each detection period。
Comprehensively analyzing the optimal evaluation coefficient of the target irradiation angle 3' of each photovoltaic power generation panel sub-area in each detection periodWherein->、/>The influence weight factors are respectively expressed as a predefined duty ratio coefficient of the generated energy and the total generated energy, and an influence weight factor corresponding to the difference value of the duty ratio coefficient and the minimum duty ratio coefficient of the generated energy and the total generated energy.
And screening the target irradiation angle 3 'corresponding to the maximum optimal evaluation coefficient as the reference irradiation angle 3 corresponding to each photovoltaic power generation panel sub-region based on the optimal evaluation coefficient of the target irradiation angle 3' of each photovoltaic power generation panel sub-region in each detection period.
Comparing the generated energy coincidence coefficient corresponding to each deflection of the target photovoltaic power plant with a predefined generated energy coincidence coefficient threshold, and if the generated energy coincidence coefficient corresponding to a certain deflection is greater than or equal to the generated energy coincidence coefficient threshold, acquiring a test angle 2 corresponding to each deflection of the photovoltaic power generation panel sub-areas, marking the test angle as a target test angle, and further acquiring each target test angle corresponding to each photovoltaic power generation panel sub-area.
And multiplying each target test angle corresponding to each photovoltaic power generation panel sub-area by the installation offset angle corresponding to the predefined unit target test angle, so as to obtain each proper adjustment installation angle 4 corresponding to each photovoltaic power generation panel sub-area.
In a specific embodiment of the present invention, the power generation amount corresponding to each deflection to which the target photovoltaic power plant belongs corresponds to a coefficient, and the specific analysis method includes: and acquiring the corresponding areas of the photovoltaic power generation panel sub-areas from the cloud database, and combining the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the areas of the photovoltaic power generation panel sub-areas, stored in the cloud database, so as to screen the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the photovoltaic power generation panel sub-areas.
According to the invention, the proper adjustment installation angle of the sub-area of the photovoltaic power generation plate is analyzed in the photovoltaic power generation plate adjustment installation angle analysis module, so that the accuracy of the adjustment angle analysis of the photovoltaic power generation plate is ensured, the operation simplicity of the analyzed adjustment angle in the adjustment process is ensured, and the windproof capability of the adjustment angle in the use process is ensured under the condition that the economic benefit meets the requirement.
The photovoltaic power generation panel installation angle evaluation module is used for analyzing recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles 4, and further judging target adjustment installation angles corresponding to the photovoltaic power generation panel sub-areas.
In a specific embodiment of the present invention, the recommended adjustment evaluation index of each photovoltaic power generation panel sub-area corresponding to each suitable adjustment installation angle 4 is specifically analyzed by:extracting adjustment difficulty values of the photovoltaic power generation panels corresponding to the adjustment angles from the cloud database, and screening the adjustment difficulty values of the photovoltaic power generation panel sub-areas corresponding to the adjustment installation angles 4 according to the adjustment installation angles 4 corresponding to the photovoltaic power generation panel sub-areasWherein->Number indicated as 4 for each suitable adjustment of the mounting angle, < >>。
The installation angle 4 is adjusted according to the corresponding each photovoltaic power generation panel sub-area and is recorded asAcquiring the ground included angle of each photovoltaic power generation panel sub-area corresponding to each proper adjustment installation angle 4, and combining the main wind direction angle corresponding to the target photovoltaic power plant stored in the cloud database to further acquire the angle between the main wind direction of each proper adjustment installation angle 4 corresponding to each photovoltaic power generation panel sub-area and the photovoltaic power generation panel>。
Analyzing recommended adjustment evaluation indexes of each photovoltaic power generation panel sub-area corresponding to each proper adjustment installation angle 4WhereinExpressed as a predefined normal wind-proof angle between the main wind direction and the photovoltaic panel, < >>、/>、/>Respectively expressed as a predefined adjustment difficulty, windproof performance and a duty factor which is suitable for adjusting the installation angle and corresponds to the reference irradiation angle 3.
In a specific embodiment of the present invention, the target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area comprises the following specific steps: comparing the recommended adjustment evaluation index corresponding to each proper adjustment installation angle 4 of each photovoltaic power generation panel sub-area with a predefined recommended adjustment evaluation index threshold, and marking the proper adjustment installation angle as the proper adjustment installation angle to be analyzed if the recommended adjustment evaluation index of a proper adjustment installation angle is larger than or equal to the recommended evaluation index threshold, so as to obtain each proper adjustment installation angle to be analyzed corresponding to each photovoltaic power generation panel sub-area.
According to the recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles, the recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles to be analyzed are obtained, and are summarized, so that all the proper adjustment installation angles to be analyzed, which the target photovoltaic power plant belongs to, are obtained.
And taking the to-be-analyzed proper adjustment installation angle 4 corresponding to the maximum recommended adjustment evaluation index as a target adjustment installation angle corresponding to the target photovoltaic power plant, and taking the to-be-analyzed proper adjustment installation angle as a target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area.
According to the method, the target adjustment installation angle of the sub-region of the photovoltaic power generation panel is judged in the photovoltaic power generation panel installation angle evaluation module, and the optimal target adjustment installation angle is screened, so that the defect that the follow-up treatment attention of the economic benefit of photovoltaic direct current power distribution is not high in the prior art is overcome, the timeliness of the economic benefit related treatment of the photovoltaic power generation plant is further ensured, the efficiency of the photovoltaic power generation plant on the economic benefit maintenance level is improved, the referential and the value of the economic benefit analysis of the photovoltaic power generation plant are ensured, and the phenomenon that follow-up related personnel are wrong in adjustment and missed adjustment caused by inconsistent adjustment angles of a plurality of sub-regions of the photovoltaic power generation panel is avoided.
And the display terminal is used for adjusting and displaying the target installation angle corresponding to each photovoltaic power generation panel sub-area.
The cloud database is used for storing a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount, storing areas corresponding to the photovoltaic power generation panel sub-areas, storing a relation diagram between test irradiation angles and adjustment power generation amounts of the areas corresponding to the photovoltaic power generation panel sub-areas, storing adjustment difficulty values of the photovoltaic power generation panels corresponding to the adjustment angles, and storing main wind direction angles corresponding to the target photovoltaic power plant.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art of describing particular embodiments without departing from the structures of the invention or exceeding the scope of the invention as defined by the claims.
Claims (5)
1. The utility model provides a photovoltaic direct current distribution system economic benefits analysis evaluation system which characterized in that includes:
the photovoltaic power plant region dividing module is used for dividing a photovoltaic power generation plate in the target photovoltaic power plant in an equal-area dividing mode, marking the photovoltaic power generation plate as a photovoltaic power generation plate sub-region and further obtaining each photovoltaic power generation plate sub-region;
the photovoltaic power generation plate detection module is used for detecting each photovoltaic power generation plate sub-area so as to obtain corresponding irradiation parameters of each photovoltaic power generation plate sub-area;
the photovoltaic power generation plate benefit evaluation module is used for acquiring expected benefits of the photovoltaic power plant in a test period and analyzing economic benefit evaluation indexes corresponding to the target photovoltaic power plant according to the expected benefits;
the photovoltaic power generation panel irradiation angle adjustment judging module is used for judging whether the photovoltaic power generation panel of the target photovoltaic power plant needs to be adjusted according to the economic benefit evaluation index corresponding to the target photovoltaic power plant, and if so, analyzing the corrected power generation amount corresponding to the target photovoltaic power plant;
the specific analysis method of the corrected generated energy corresponding to the target photovoltaic power plant comprises the following steps:
subtracting the economic benefit evaluation index corresponding to the target photovoltaic power plant from the predefined economic benefit evaluation index threshold value to obtain an economic benefit evaluation index difference value corresponding to the target photovoltaic power plant;
importing the economic benefit evaluation index difference value corresponding to the target photovoltaic power plant into a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount stored in a cloud database, so as to obtain the corrected power generation amount corresponding to the target photovoltaic power plant;
the photovoltaic power generation plate adjustment installation angle analysis module is used for analyzing each proper adjustment installation angle corresponding to each photovoltaic power generation plate sub-area;
the installation angles of the photovoltaic power generation panel sub-areas are adjusted correspondingly, and the specific analysis method comprises the following steps:
extracting the irradiation angles corresponding to the time points of each detection period from the irradiation parameters corresponding to each photovoltaic power generation panel sub-region, further analyzing the target irradiation angles of each photovoltaic power generation panel sub-region in each detection period, and analyzing the reference irradiation angles of each photovoltaic power generation panel sub-regionWherein->Indicated as the number of each photovoltaic panel sub-area,；
acquiring the corresponding areas of the photovoltaic power generation panel sub-areas from the cloud database, and combining the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the areas of the photovoltaic power generation panel sub-areas, stored in the cloud database, so as to screen the relation diagram between the test irradiation angles and the adjustment power generation amount, which are corresponding to the photovoltaic power generation panel sub-areas;
each photovoltaic power generation panel sub-area is arranged in each detection periodSubtracting the test angles corresponding to each deflection from the corresponding target irradiation angle to obtain the test irradiation angles corresponding to each deflection of each photovoltaic power generation panel sub-region in each detection period, and introducing the test irradiation angles into a relation diagram between the corresponding test irradiation angles and the adjustment generated energy to obtain the adjustment generated energy corresponding to each deflection of each photovoltaic power generation panel sub-region in each detection periodWherein->Number expressed as each detection period, +.>，/>Number expressed as each deflection, +.>；
Analyzing the sum of the adjusted power generation amounts of the target photovoltaic power plant corresponding to each deflection；
According to the corrected generated energy corresponding to the target photovoltaic power plantSum of electric power generation amounts corresponding to the test period of the target photovoltaic power plant +.>Generating capacity coincidence coefficient corresponding to each deflection to which the target photovoltaic power plant belongs is analyzed by adjusting generating capacity sum of each deflection>；
Comparing the generated energy coincidence coefficient corresponding to each deflection of the target photovoltaic power plant with a predefined generated energy coincidence coefficient threshold, and if the generated energy coincidence coefficient corresponding to a certain deflection is greater than or equal to the generated energy coincidence coefficient threshold, acquiring a test angle corresponding to each photovoltaic power generation panel sub-area in the deflection, marking the test angle as a target test angle, and further acquiring each target test angle corresponding to each photovoltaic power generation panel sub-area;
multiplying each target test angle corresponding to each photovoltaic power generation panel sub-area by the installation offset angle corresponding to the predefined unit target test angle, so as to obtain each proper adjustment installation angle corresponding to each photovoltaic power generation panel sub-area;
the reference irradiation angles corresponding to the sub-areas of the photovoltaic power generation platesThe specific analysis method comprises the following steps:
acquiring the sum of the generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area from the target photovoltaic power plant；
Analyzing the duty ratio coefficient of the generated energy corresponding to each detection period of each photovoltaic power generation panel sub-area and the total generated energy of the target photovoltaic power plant；
Screening the minimum duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area according to the duty ratio coefficient of the generated energy and the total generated energy corresponding to each photovoltaic power generation panel sub-area in each detection period；
Comprehensively analyzing the optimal evaluation coefficient of the target irradiation angle of each photovoltaic power generation panel sub-area in each detection periodWherein->、/>The influence weight factors are respectively expressed as a predefined duty ratio coefficient of the generated energy and the total generated energy, and an influence weight factor corresponding to the difference value of the duty ratio coefficient and the minimum duty ratio coefficient of the generated energy and the total generated energy;
based on the optimal evaluation coefficients of the target irradiation angles of the photovoltaic power generation panel sub-areas in each detection period, screening the target irradiation angle corresponding to the maximum optimal evaluation coefficient as the reference irradiation angle corresponding to each photovoltaic power generation panel sub-area;
The photovoltaic power generation panel installation angle evaluation module is used for analyzing recommended adjustment evaluation indexes of the photovoltaic power generation panel sub-areas corresponding to the proper adjustment installation angles, and further judging target adjustment installation angles corresponding to the photovoltaic power generation panel sub-areas;
the display terminal is used for adjusting and displaying the target installation angle corresponding to each photovoltaic power generation panel sub-area;
the cloud database is used for storing a relation diagram between the economic benefit evaluation index difference value and the corrected power generation amount, storing areas corresponding to the photovoltaic power generation panel sub-areas, storing a relation diagram between the test irradiation angles corresponding to the areas corresponding to the photovoltaic power generation panel sub-areas and the adjustment power generation amount, storing adjustment difficulty values corresponding to the adjustment angles of the photovoltaic power generation panels, and storing main wind direction angles corresponding to the target photovoltaic power plant.
2. The photovoltaic direct current distribution system economic benefit analysis and evaluation system according to claim 1, wherein: the irradiation parameters comprise irradiation angles corresponding to the time points to which the detection periods belong.
3. The photovoltaic direct current distribution system economic benefit analysis and evaluation system according to claim 1, wherein: the economic benefit evaluation index corresponding to the target photovoltaic power plant comprises the following specific analysis methods:
acquiring the sum of the generated energy corresponding to the test period of the target photovoltaic power plant and the working time of each staff from the target photovoltaic power plant, and further analyzing the generated energy income and the comprehensive expenditure cost corresponding to the test period of the target photovoltaic power plant;
subtracting the comprehensive expenditure cost from the generated energy gain corresponding to the target photovoltaic power plant in the test period to obtain the actual gain of the target photovoltaic power plant in the test period；
According to expected benefits of the target photovoltaic power plant in the test periodAnalyzing economic benefit evaluation index corresponding to target photovoltaic power plant>Wherein->Is a natural constant.
4. The photovoltaic direct current distribution system economic benefit analysis and evaluation system according to claim 1, wherein: the recommended adjustment evaluation indexes of the installation angles of the photovoltaic power generation panel sub-areas are respectively suitable for adjustment, and the specific analysis method comprises the following steps:
extracting adjustment difficulty values of the photovoltaic power generation panels corresponding to the adjustment angles from the cloud database, and screening the adjustment difficulty values of the photovoltaic power generation panel sub-areas corresponding to the adjustment installation angles according to the adjustment installation angles of the photovoltaic power generation panel sub-areasWherein->Numbers indicating the fitting angles of the respective suitable adjustment, < >>；
According to the corresponding installation angles of the photovoltaic power generation panel sub-areasAcquiring a ground included angle which corresponds to each photovoltaic power generation panel sub-area and is suitable for adjusting the installation angle, and combining a main wind direction angle which corresponds to a target photovoltaic power plant stored in a cloud database, so as to obtain an angle between the main wind direction which corresponds to each photovoltaic power generation panel sub-area and the photovoltaic power generation panel, wherein the main wind direction corresponds to each suitable for adjusting the installation angle, and the angle is between the main wind direction and the photovoltaic power generation panel>；
Analyzing recommended adjustment evaluation indexes of each photovoltaic power generation panel sub-area corresponding to each proper adjustment installation angleWhereinExpressed as a predefined normal wind-proof angle between the main wind direction and the photovoltaic panel, < >>、/>、/>Respectively expressed as a predefined adjustment difficulty, wind resistance and a duty factor which is suitable for adjusting the installation angle and corresponds to the reference irradiation angle.
5. The economic benefit analysis and evaluation system for a photovoltaic direct current power distribution system according to claim 4, wherein: the target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area comprises the following specific methods:
comparing the recommended adjustment evaluation index corresponding to each proper adjustment installation angle of each photovoltaic power generation panel sub-area with a predefined recommended adjustment evaluation index threshold, and if the recommended adjustment evaluation index of a certain proper adjustment installation angle is greater than or equal to the recommended evaluation index threshold, marking the proper adjustment installation angle as a proper adjustment installation angle to be analyzed, thereby obtaining each proper adjustment installation angle to be analyzed corresponding to each photovoltaic power generation panel sub-area;
acquiring recommended adjustment evaluation indexes corresponding to the to-be-analyzed proper adjustment installation angles of the photovoltaic power generation panel sub-areas according to the recommended adjustment evaluation indexes corresponding to the to-be-analyzed proper adjustment installation angles of the photovoltaic power generation panel sub-areas, and summarizing the recommended adjustment evaluation indexes to obtain all to-be-analyzed proper adjustment installation angles of the target photovoltaic power plant;
and taking the proper adjustment installation angle to be analyzed corresponding to the maximum recommended adjustment evaluation index as a target adjustment installation angle corresponding to the target photovoltaic power plant, and taking the target adjustment installation angle as a target adjustment installation angle corresponding to each photovoltaic power generation panel sub-area.
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