CN115693665A - Power generation management system for power generation of power plant - Google Patents
Power generation management system for power generation of power plant Download PDFInfo
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Abstract
The invention provides a power generation management system for power generation of a power plant, which comprises: the system comprises a monitoring module, a processing module, a display module and a server; the server acquires meteorological data of a local meteorological department and geographic data of a target area through a web crawler technology; drawing a pre-illumination visual map of a target area in the daytime according to the meteorological data and the geographic data of the target area; drawing up a pre-scheduling plan; the monitoring module acquires real-time data of a target area of the solar panel; processing and judging whether the scheduling plan is matched with the pre-scheduling plan or not and then charging the energy storage battery; the obtained meteorological prediction data are converted into an illumination visual graph by combining with the geographic environment and the solar installation included angle through wavelet transformation, so that the data for power prediction are more accurate, a more perfect power generation plan can be made, the charging and discharging times of the energy storage battery are reduced through optimized control, the service life of the energy storage battery is prolonged, the uncontrollable range of the distributed photovoltaic power generation power is reduced, and the power grid scheduling management is facilitated.
Description
Technical Field
The invention relates to the technical field of power plant management, in particular to a power generation management system for power generation of a power plant.
Background
With the improvement of the quality of life of people and the continuous development of industrial production, the demands of domestic electricity and industrial electricity are also continuously increased. The current way for people to obtain electric power is mainly through power generation plant electricity generation, power generation plant is also called power station, is the factory that converts various primary energy sources in nature into electric energy, i.e. secondary energy, and the current way for people to obtain electric power mainly includes: thermal power generation, hydroelectric power generation, nuclear power generation, new energy power generation and the like. And the new energy power generation does not need to consider strict installation places and can supply power to areas which are difficult to be involved by a power grid. The existing new energy power generation is greatly influenced by weather factors, the predicted generated energy data is not accurate enough, the generated power output is difficult to control, and difficulty is brought to the establishment of a power generation plan and the management of a power grid, so that the power generation management system of the power plant is provided.
Disclosure of Invention
In order to solve the problems, the invention provides a power generation management system for power generation of a power plant, which aims to more exactly solve the problems that the existing new energy power generation is greatly influenced by weather factors, the predicted power generation amount data is not accurate enough, the power generation output is difficult to control, and the power generation planning and the power grid management are difficult to make, so that the power generation management system for power generation of the power plant is provided.
The invention provides a power generation management system for power generation of a power plant, which comprises: the system comprises a monitoring module, a processing module, a display module and a server;
the server acquires meteorological data of a local meteorological department and geographic data of a target area through a web crawler technology;
drawing a pre-illumination visual map of the target area in the daytime according to the meteorological data and the target area geographic data;
calculating photovoltaic output prediction on the second day according to the pre-illumination visual map and stored historical power generation data, and drawing up a pre-dispatching plan;
acquiring real-time data of a target area of the solar panel through a monitoring module;
the processing module compares the real-time data of the target area with the pre-dispatching plan and judges whether the real-time data of the target area is matched with the pre-dispatching plan; if so, scheduling power generation according to a pre-scheduling plan; if not, the scheduling plan is optimized, and then the energy storage battery is charged.
Further, the pre-illumination visualization map comprises: marking the angle of the solar panel actually installed in the region on a three-dimensional visual graph generated in the geographic data and a function curve graph generated according to the illumination intensity in a preset time period of each target region;
generating different color images by the illumination intensity of different time periods in each target area in the function curve graph through a color mode;
the different color images and the three-dimensional visualization map are subjected to wavelet transformation to generate a pre-illumination visualization map with different illumination intensities which are displayed in the three-dimensional geographic map in different color spectrums.
Further, the step of calculating the photovoltaic output prediction on the second day according to the pre-illumination visualization graph and the stored historical power generation data and drawing up the pre-scheduling plan includes:
obtaining the illumination duration of the solar panel in the target area according to the illumination intensity in the target area in the pre-illumination visual graph and the installation angle of the solar panel corresponding to the target area;
matching power generation data in the target area according to the illumination duration and the illumination intensity and the stored historical power generation data;
and (4) calculating according to the power generation data in the target area by combining the power generation cost and the total system operation cost, setting a scheduling plan, and scheduling on the next day.
Furthermore, the monitoring module comprises a voltage sensor, a current sensor, an illumination intensity sensor and a wireless communication module; each solar panel is connected with a voltage sensor, a current sensor and an illumination intensity sensor; each target area bus line is set as a node, each node is provided with a voltage sensor, a current sensor, an illumination intensity sensor and a wireless communication module, and the voltage sensor, the current sensor and the illumination intensity sensor are connected with the server through the wireless communication module.
Further, in the step of obtaining real-time data of the target area of the solar panel through the monitoring module, the method includes: acquiring the output voltage of each solar panel and the voltage in each node through a voltage sensor, acquiring the current in each solar panel and each node through a current sensor, and acquiring the illumination intensity of a target area in each area through an illumination intensity sensor; and sending the acquired voltage, current and illumination intensity to the server through a wireless communication module.
Further, the processing module comprises: the power measurement module and the control decision module; the power measuring and calculating module is used for calculating the actual power output by the solar panel; and the decision module is used for determining and optimizing a scheduling plan according to the power generation cost, the total operation cost factor of the system and the pre-scheduling plan.
Further, the step of comparing, by the processing module, the real-time data of the target area with the pre-dispatching plan and judging whether the real-time data of the target area is adapted to the pre-dispatching plan includes:
the control decision module judges whether the illumination intensity obtained in the preset time period of the target area is matched with the pre-dispatching plan range or not and the power generation power generated by the voltage and the current in the target area through the power measuring and calculating module and the illumination intensity of the target area, and determines a dispatching plan or optimizes the dispatching plan by combining the power data, the power generation cost and the total operation cost factor of the system.
Further, if not, the optimizing the scheduling plan includes:
further judging whether the generated energy of the solar panel in the preset time period of the target area is equal to the generated energy of the solar panel in the historical power generation data under the preset time period;
if so, directly optimizing the scheduling scheme;
if not, indicating that part of the solar panels in the target area have faults, and checking the faults and optimizing a scheduling scheme; at the moment, the power generated by each solar panel under the illumination intensity is matched with the historical power generation data, the solar panels which are not in the historical power generation data send signals to the server through the wireless communication modules matched with the solar panels, the server sends the position information of the failed solar panels to the responsible persons in the corresponding target areas through the wireless communication modules, and the responsible persons remove the failures.
The invention has the beneficial effects that: the acquired meteorological prediction data are converted and combined with the geographic environment and the solar installation included angle into an illumination visual graph through wavelet transformation, so that the data for power prediction are more accurate, a more perfect power generation plan can be made, the charging and discharging times of the energy storage battery are reduced through optimized control, the service life of the energy storage battery is prolonged, the uncontrollable range of the distributed photovoltaic power generation power is reduced, and the power grid scheduling management is facilitated;
the actual output power of each solar panel in the target area is judged by the processing module according to the historical generated energy stored in the server; the automatic control detection of the distributed power generation system is realized, and the system maintenance workload is reduced.
Drawings
FIG. 1 is a diagram of the operation steps of a power generation management system for power generation in a power plant according to the present invention.
Detailed Description
In order to more clearly and completely explain the technical scheme of the invention, the invention is further explained by combining the attached drawings.
Referring to fig. 1, the present invention provides a power generation management system for power generation in a power plant, including: the system comprises a monitoring module, a processing module, a display module and a server;
the server acquires meteorological data of a local meteorological department and geographic data of a target area through a web crawler technology;
drawing a pre-illumination visual map of a target area in the daytime according to the meteorological data and the geographic data of the target area;
calculating photovoltaic output prediction on the second day according to the pre-illumination visual diagram and stored historical power generation data, and drawing up a pre-dispatching plan;
acquiring real-time data of a target area of the solar panel through a monitoring module;
the processing module compares the real-time data of the target area with the pre-dispatching plan and judges whether the real-time data of the target area is matched with the pre-dispatching plan or not; if so, scheduling power generation according to a pre-scheduling plan; if not, the scheduling plan is optimized, and then the energy storage battery is charged.
During specific implementation, the server captures meteorological data of a local meteorological department and geographical data of a target area through a web crawler and then is stored by a system, certain meteorological data analysis is carried out, unnecessary data such as rainfall and the like are filtered, advance conditions in the target area are captured, and illumination and air temperature are obtained; the target area may be designated as a designated area with a larger block; then preliminarily promoting the illumination intensity of the next day by combining the air temperature and seasons with the data of the air temperature under illumination of the historically stored season segments, capturing and analyzing the three-dimensional geographic view of the target area, and reserving the three-dimensional terrain type and the geographic data in the target area; generating a curve function which changes along with the change of time according to the illumination intensity data of the next day after analysis and filtration, substituting the curve function into wavelet transformation, converting the data into an image, imaging different illumination intensities in different color spectrum hues in a three-dimensional geographic view, and then combining different colors and hues in different target areas in a pre-illumination visual graph with historical power generation data to obtain the power generation amount of the image; the historical power generation data is the electric quantity generated by the solar panel under the original collected illumination intensities of different illumination times, and the solar panel has the performance of adjustable active power, adjustable reactive power and adjustable output power change rate; the generated energy obtained by combining different colors and hues in different target areas in the pre-illumination visual graph with historical power generation data is compared with the historical charging cost in a storage battery charging system, and the storage battery charging system is provided with a complete charging circuit with adjustable active power, adjustable reactive power, adjustable output power change rate and the like; then drawing up a pre-dispatching plan, suitably storing or directly converting the generated power in the drawn-up target area, and directly converting the generated power into the electric quantity in the target area in a loss state after storage for use by a power plant; after the next day, acquiring the actual illumination intensity at the position in the solar panel through the monitoring module, transmitting data such as actual voltage and current output by the solar panel to the server through the wireless communication module, analyzing, sorting and storing the data by the server, and performing scheduling adjustment according to the pre-scheduling plan if the acquired total voltage, current data and illumination intensity of the target area are matched with the conditions in the pre-scheduling plan by the processing module; if the actual condition error exceeds the condition in pre-dispatching, the error is recalculated to improve the dispatching plan, meanwhile, the processing module judges whether the target area deviates from the pre-dispatching plan due to weather or the target area has solar panel faults according to historical generated energy stored in the server, if the faults are found, the server prompts workers, and simultaneously sends the fault positions to the workers in charge of maintaining the target area, and the workers correspondingly check and maintain, so that the automatic control detection of the distributed power generation system is realized, and the system maintenance workload is reduced; the acquired meteorological prediction data are converted and combined with the geographic environment and the solar installation included angle into an illumination visual graph through wavelet transformation, so that the data for power prediction are more accurate, a more perfect power generation plan can be made, the charging and discharging times of the energy storage battery are reduced through optimized control, the service life of the energy storage battery is prolonged, the uncontrollable range of the distributed photovoltaic power generation power is reduced, and the power grid scheduling management is facilitated; by stabilizing the fluctuation of the output energy, the electric energy quality of photovoltaic power generation is improved, the utilization rate of the energy storage battery is improved, and the photovoltaic power generation benefit is improved.
In one embodiment, the pre-illumination visualization map comprises: marking the angle of the solar panel actually installed in the region on a three-dimensional visual graph generated in geographic data and a function curve graph generated according to the illumination intensity in a preset time period of each target region, specifically, the function curve graph of the illumination intensity changing along with the time change in each target region;
generating different color images through the color mode according to the illumination intensity of different time periods in each target area in the function curve graph;
the different color images and the three-dimensional visual image are subjected to wavelet transformation to generate pre-illumination visual images with different illumination intensities which are displayed in the three-dimensional geographic image in different chromatograms;
the method comprises the following steps of calculating photovoltaic output prediction on the next day according to a pre-illumination visual graph and stored historical power generation data, and drawing up a pre-dispatching plan, wherein the steps comprise:
obtaining the illumination duration of the solar panel in the target area according to the illumination intensity in the target area in the pre-illumination visual graph and the installation angle of the solar panel corresponding to the target area;
matching power generation data in the target area according to the illumination duration and the illumination intensity and the stored historical power generation data;
and (4) calculating according to the power generation data in the target area by combining the power generation cost and the total system operation cost, setting a scheduling plan, and scheduling on the next day.
In specific implementation, a function curve graph is generated according to the illumination intensity data of the next day after analysis and filtration, the change of the illumination intensity data along with the change of time is generated, each corresponding illumination intensity in the function curve graph is set to be matched with a color spectrum tone in a color mode, the color mode is an algorithm for representing colors in a digital world, and the colors are divided into a plurality of components to represent various colors in the digital world; substituting the function curve graph into wavelet transformation to convert the data into color image; the time change and the illumination intensity change are introduced into the wavelet transformation formula as follows:
wherein t is time; psi (t) is a curve function, a is the corresponding scaling factor, b is the corresponding translation parameter; transforming the original data into another image representation, the original data also being obtainable via an inverse transformation; different illumination intensity data are imaged in a three-dimensional geographical view according to different color spectrums and hues, then the generated energy of the pre-illumination visual image is obtained according to different colors and hues in different target areas in the pre-illumination visual image and by combining historical power generation data, wherein the historical power generation data comprise the power generated by a solar panel installed in a three-dimensional topographic map in the three-dimensional geographical view after the collected original image is formed and under a specific illumination intensity through a sunlight included angle in the three-dimensional topographic map in the three-dimensional geographical view within the time; calculating by combining the calculated power generation data in the target area with the power generation cost and the total system operation cost, setting a reasonable scheduling plan, and scheduling on the next day; the data obtained by the method is more accurate in calculating the power generation amount of the solar panel in the target area.
In one embodiment, the monitoring module comprises a voltage sensor, a current sensor, an illumination intensity sensor and a wireless communication module; each solar panel is connected with a voltage sensor, a current sensor and an illumination intensity sensor; each target area bus line is set as a node, each node is provided with a voltage sensor, a current sensor, an illumination intensity sensor and a wireless communication module, and the voltage sensor, the current sensor and the illumination intensity sensor are connected with a server through the wireless communication module; each node position is also provided with a sub-processor which is connected with a server through communication; the subprocessors have a data processing function and can process other received systems in the power grid, such as a storage battery charging system, grid-connected point data and the like, and perform simple processing work, such as classified storage and the like; the monitoring substation has the output control functions of the solar power generation and storage battery charging system in the target area, and can perform power distribution calculation on power generation and energy storage in each target area according to a real-time output requirement instruction sent by the server; the server optimization control function carries out planned distribution on the power generation of each target area according to the stored power generation plan, the power generation prediction data of each target area and the state of the energy storage battery charging system, and issues the distributed power generation plan to each sub-processor;
in the step of obtaining the real-time data of the solar panel target area through the monitoring module, the method comprises the following steps: the output voltage of each solar panel and the voltage in each node are obtained through a voltage sensor, the current in each solar panel and each node is obtained through a current sensor, and the illumination intensity of a target area in each area is obtained through an illumination intensity sensor; and sending the acquired voltage, current and illumination intensity to a server through a wireless communication module.
In one embodiment, the processing module comprises: the power measurement module and the control decision module; the power measuring and calculating module is used for calculating the actual power output by the solar panel; the decision module is used for determining and optimizing a scheduling plan according to the power generation cost, the total operation cost factor of the system and the pre-scheduling plan;
the step of comparing the real-time data of the target area with the pre-dispatching plan by the processing module and judging whether the real-time data is matched with the pre-dispatching plan or not comprises the following steps:
the control decision module judges whether the illumination intensity obtained in the preset time period of the target area is matched with the pre-dispatching plan range or not and the power generation power generated by the voltage and the current in the target area through the power measuring and calculating module and the illumination intensity of the target area, and determines a dispatching plan or an optimized dispatching plan by combining the power data, the power generation cost and the total operation cost factor of the system;
if not, the optimization scheduling plan comprises the following steps: further judging whether the generated energy of the solar panel in the illumination intensity in the preset time period of the target area is the generated energy of the solar panel under the illumination intensity of the historical power generation data;
if so, directly optimizing the scheduling scheme;
if not, indicating that part of the solar panels in the target area have faults, and checking the faults and optimizing a scheduling scheme; the optimization scheme is that meteorological data or collected voltage, current and illumination intensity in an actual target area are obtained again, a plan is made under the principle that the generated energy is recalculated, the operation cost is combined and the battery is protected, and the plan is determined; at the moment, the power generated by each solar panel under the illumination intensity is matched with the historical power generation data, the solar panels which are not in the historical power generation data send signals to the server through the wireless communication modules matched with the solar panels, specifically, the position information is obtained through the positioning modules, the server sends the position information of the failed solar panels to the responsible persons in the corresponding target areas through the wireless communication modules, the responsible persons remove the faults, the automatic control detection of the distributed power generation system is achieved, and the system maintenance workload is reduced.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (8)
1. A power generation management system for power generation at a power plant, comprising: the system comprises a monitoring module, a processing module, a display module and a server;
the server acquires meteorological data of a local meteorological department and geographic data of a target area through a web crawler technology;
drawing a pre-illumination visual map of a target area in the daytime according to the meteorological data and the target area geographic data;
calculating photovoltaic output prediction on the second day according to the pre-illumination visual map and stored historical power generation data, and drawing up a pre-dispatching plan;
acquiring real-time data of a target area of the solar panel through a monitoring module;
the processing module compares the real-time data of the target area with the pre-dispatching plan and judges whether the real-time data of the target area is matched with the pre-dispatching plan; if so, scheduling power generation according to a pre-scheduling plan; if not, the scheduling plan is optimized, and then the energy storage battery is charged.
2. The power generation management system for power plant power generation of claim 1, wherein the pre-illuminated visualization map comprises: marking the angle of the solar panel actually installed in the region on a three-dimensional visual graph generated in the geographic data and a function curve graph generated according to the illumination intensity in a preset time period of each target region;
the illumination intensity of different time periods in each target area in the function curve graph generates different color images through a color mode;
the different color images and the three-dimensional visualization map are subjected to wavelet transformation to generate a pre-illumination visualization map with different illumination intensities which are displayed in the three-dimensional geographic map in different color spectrums.
3. The power generation management system for power plant generation of claim 2, wherein the step of calculating a photovoltaic output prediction for the second day based on the pre-illumination visualization map and the stored historical power generation data and developing a pre-schedule plan comprises:
obtaining the illumination duration of the solar panel in the target area according to the illumination intensity in the target area in the pre-illumination visual graph and the installation angle of the solar panel corresponding to the target area;
matching power generation data in the target area according to the illumination duration and the illumination intensity and the stored historical power generation data;
and (4) calculating according to the power generation data in the target area by combining the power generation cost and the total system operation cost, setting a scheduling plan, and scheduling on the next day.
4. The power generation management system of a power plant generating of claim 1, wherein the monitoring module comprises a voltage sensor, a current sensor, a light intensity sensor and a wireless communication module; each solar panel is connected with a voltage sensor, a current sensor and an illumination intensity sensor; each target area bus line is set as a node, each node is provided with a voltage sensor, a current sensor, an illumination intensity sensor and a wireless communication module, and the voltage sensor, the current sensor and the illumination intensity sensor are connected with the server through the wireless communication module.
5. The power generation management system for power generation of a power plant of claim 4, wherein the step of obtaining real-time data of the target area of the solar panel through the monitoring module comprises: the output voltage of each solar panel and the voltage in each node are obtained through a voltage sensor, the current in each solar panel and each node is obtained through a current sensor, and the illumination intensity of a target area in each area is obtained through an illumination intensity sensor; and sending the acquired voltage, current and illumination intensity to the server through a wireless communication module.
6. A power generation management system for power generation by a power plant according to claim 1, wherein said processing module comprises: the power measurement module and the control decision module; the power measuring and calculating module is used for calculating the actual power output by the solar panel; and the decision module is used for determining and optimizing a dispatching plan according to the factors of the power generation cost, the total operation cost of the system and the pre-dispatching plan.
7. The power generation management system of claim 6, wherein the step of comparing the real-time data of the target area with the pre-dispatching plan by the processing module to determine whether to adapt to the pre-dispatching plan comprises:
and the control decision module judges whether the illumination intensity obtained in the preset time period of the target area is matched with the pre-dispatching plan range or not and the generated power generated by the voltage and the current in the target area through the power measuring and calculating module and the illumination intensity of the target area, and determines a dispatching plan or optimizes the dispatching plan by combining the power data, the generation cost and the total operation cost of the system.
8. The power generation management system for power plant generation of claim 7, wherein if not, optimizing the scheduling plan comprises:
further judging whether the generated energy of the solar panel in the illumination intensity in the preset time period of the target area is the generated energy of the solar panel under the illumination intensity of the historical power generation data;
if so, directly optimizing the scheduling scheme;
if not, indicating that part of the solar panels in the target area have faults, and checking the faults and optimizing a scheduling scheme; at the moment, the power generated by each solar panel under the illumination intensity is matched with the historical power generation data, the solar panels which are not in the historical power generation data send signals to the server through the wireless communication modules matched with the solar panels, the server sends the position information of the failed solar panels to the responsible persons in the corresponding target areas through the wireless communication modules, and the responsible persons remove the failures.
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| CN117239893A (en) * | 2023-09-20 | 2023-12-15 | 山东探越物联网技术有限公司 | Charging and discharging control method for solar power supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117239893A (en) * | 2023-09-20 | 2023-12-15 | 山东探越物联网技术有限公司 | Charging and discharging control method for solar power supply system |
| CN117239893B (en) * | 2023-09-20 | 2024-04-09 | 山东探越物联网技术有限公司 | Charging and discharging control method for solar power supply system |
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