CN115579935A - Power generation system control method, device, system, electronic device and storage medium - Google Patents
Power generation system control method, device, system, electronic device and storage medium Download PDFInfo
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Abstract
The embodiment of the invention discloses a power generation system control method, a device, a system, electronic equipment and a storage medium, wherein the method comprises the following steps: acquiring basic system data of a power generation system; generating current system operation and maintenance state data of the power generation system according to the basic system data; generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data; wherein the system operation control strategy is used to control the operating state of the power generation system. The technical scheme of the embodiment of the invention can optimize the power generation control mode of the power generation system, thereby improving the power generation efficiency and the power generation capacity of the power station.
Description
Technical Field
The embodiment of the invention relates to the technical field of power generation, in particular to a power generation system control method, a power generation system control device, a power generation system control system, electronic equipment and a storage medium.
Background
The power generation is to convert water energy, heat energy of fossil fuel (such as coal, oil and natural gas), nuclear energy, solar energy, wind energy, geothermal energy, ocean energy and the like into electric energy by using a power generation power device. As fossil fuels are scarce and are gradually exhausted, renewable energy sources (water energy, solar energy, wind energy, geothermal energy, ocean energy, and the like) are used to generate electricity. Among them, photovoltaic power generation is subject to smaller factors such as geographical environment than other renewable energy sources, and its development is particularly rapid in recent years.
In the traditional power generation technology, fossil fuel is used as power generation resources, and due to the problem of resource limitation, a power generation control mode needs to be optimized so as to maximally utilize the power generation resources and improve the power generation amount. Although renewable energy can solve the problem of resource limitation, many problems to be solved are derived, and optimization of a power generation control mode is also needed. Taking photovoltaic power generation as an example for specific description: due to the characteristics of intermittence and uncertainty of photovoltaic power generation, the photovoltaic power generation is often matched with stored energy to operate, and along with the gradual maturity and implementation of an energy storage application mode, a control mode of the photovoltaic power generation adapted to the photovoltaic power generation also needs to be adapted and updated. Secondly, with the development of energy storage technology in the future, the electricity price trading market will tend to mature, and the photovoltaic power generation control mode under the background also needs to be adapted and updated. And thirdly, the power station with the large-capacity energy storage system can participate in the peak-shaving frequency modulation task, so that the photovoltaic power generation control mode is also influenced.
Therefore, how to optimize the power generation control mode of the power generation system and improve the power generation efficiency and the power generation amount of the power station is a problem to be solved urgently in the current power generation technology.
Disclosure of Invention
The embodiment of the invention provides a power generation system control method, a power generation system control device, a power generation system, electronic equipment and a storage medium, which can optimize a power generation control mode of a power generation system so as to improve the power generation efficiency and the power generation capacity of a power station.
According to an aspect of the present invention, there is provided a power generation system control method including:
acquiring basic system data of a power generation system;
generating current system operation and maintenance state data of the power generation system according to the basic system data;
generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data;
wherein the system operation control strategy is used to control the operating state of the power generation system.
According to another aspect of the present invention, there is provided a power generation system control apparatus including:
the basic system data acquisition module is used for acquiring basic system data of the power generation system;
the current system operation and maintenance state data generation module is used for generating current system operation and maintenance state data of the power generation system according to the basic system data;
the system operation control strategy generation module is used for generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data;
wherein the system operation control strategy is used for controlling the operation state of the power generation system.
According to another aspect of the present invention, there is provided a power generation system control system comprising a control terminal and a master station system, the control terminal being communicatively connected to the master station system, wherein:
the control terminal is used for acquiring basic system data of the power generation system and sending the basic system data to the master station system; the control terminal is further used for receiving a system operation control strategy sent by the master station system and controlling the operation state of the power generation system according to the system operation control strategy;
the master station system is used for generating current system operation and maintenance state data of the power generation system according to the basic system data, generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data, and sending the system operation control strategy to the control terminal.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein, the first and the second end of the pipe are connected with each other,
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the power generation system control method according to any of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement the power generation system control method according to any one of the embodiments of the present invention when executed.
According to the embodiment of the invention, the current system operation and maintenance state data of the power generation system is generated according to the acquired basic system data of the power generation system, so that the system operation control strategy of the power generation system is generated according to the current system operation and maintenance state data, and the operation state of the power generation system is controlled according to the system operation control strategy, so that the problems of low power generation efficiency and low power generation capacity of the existing power generation system are solved, the power generation control mode of the power generation system can be optimized, and the power generation efficiency and the power generation capacity of a power station are improved.
It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a control method of a power generation system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a control device of a power generation system according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a control system of a power generation system according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control terminal according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control system of a power generation system according to a third embodiment of the present invention;
FIG. 6 is a system functional schematic diagram of a control system of a power generation system according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a flowchart of a power generation system control method according to an embodiment of the present invention, where this embodiment is applicable to a case where a system operation control policy is generated according to current system operation and maintenance state data of a power generation system to control an operation state of the power generation system, and the method may be executed by a power generation system control apparatus, which may be implemented by software and/or hardware, and may be generally integrated in an electronic device, which may be a device for implementing a master station system and is used in cooperation with a control terminal for implementing a power generation control function, and the embodiment of the present invention does not limit a specific device type of the electronic device. Accordingly, as shown in fig. 1, the method comprises the following operations:
and S110, acquiring basic system data of the power generation system.
The power generation system may be any type of system that needs to perform power generation control, for example, a photovoltaic power generation system or a wind power generation system, and the embodiment of the present invention does not limit the specific type of the power generation system. The basic system data may be basic data of the power generation system, and may include, for example and without limitation, voltage, current, and power of the power generation system, voltage, current, and power of energy stored in the power generation system, and voltage, current, power, and power factor of a grid-connected point metering device, as long as the basic system data can be used for power generation control calculation, and the type and content of the basic system data are also not limited in the embodiments of the present invention.
In an embodiment of the present invention, the basic system data of the power generation system may be acquired by the master station system to calculate relevant parameters for controlling the power generation system according to the acquired basic system data. Optionally, the obtaining mode of the basic system data may be a mode of obtaining data collected by the control terminal and imported into the master station system, or may also be a mode of obtaining various data such as data downloading or data copying, which is not limited in the embodiment of the present invention.
And S120, generating current system operation and maintenance state data of the power generation system according to the basic system data.
The current system operation and maintenance state data may be related data for reflecting the current operation and maintenance state of the power generation system, for example, the current operation and maintenance state data may be the power generation amount or power generation benefit of the power generation system on the current day, and when the power generation system is a photovoltaic power generation system, the current operation and maintenance state data may further include a numerical value of energy storage of the photovoltaic power generation system, and the embodiment of the present invention does not limit the data content and type of the current system operation and maintenance state data as long as the current operation and maintenance state data can be reflected.
Correspondingly, after the master station system obtains the basic system data, the basic system data can be analyzed and processed to obtain the current system operation and maintenance state data of the power generation system, so that the current actual operation and maintenance state of the power generation system can be mastered for later operation and control.
In an optional embodiment of the present invention, the generating the current system operation and maintenance state data of the power generation system according to the basic system data may include: generating a current day load prediction result, a previous day power generation power curve and a previous day transaction electricity price curve of the power generation system according to the basic system data; generating a current day load peak-valley time period of the power generation system according to the current day load prediction result; and generating current system operation and maintenance state data of the power generation system according to the current day load prediction result, the previous day power generation power curve, the previous day transaction power price curve and the current day load peak-valley time period.
The load prediction result of the current day can be load data of the current day determined according to various factors such as the operating characteristics, capacity increasing decision, natural conditions, social influence and the like of the power generation system under the condition of meeting certain precision requirements. The load may be, among others, a demand amount of electric power (power) or a used amount of electric power. For example, when the type of the power generation system is a photovoltaic power generation system, the load data may be predicted power load data of an area power grid where the photovoltaic power generation system is connected to the grid. Optionally, the daily load prediction result may be a data curve formed by load data at certain time intervals. The generated power curve of the previous day is also the curve formed by the data of the generated power of the previous day. The trading electricity price curve of the previous day is also a curve formed by data of the trading electricity price of the previous day. Similarly, the previous day generated power curve and the previous day trade price curve can also be data curves formed by load data at certain time intervals. The time interval may be set according to actual requirements, such as 10 minutes or 15 minutes, and the embodiment of the present invention does not limit a specific value of the time interval. The peak-valley time period of the daily load is also the peak time period and the valley time period of the daily load.
Optionally, the current operation and maintenance state data of the power generation system may be the same as the current generation benefit, the energy storage value, and the like. Correspondingly, when the current system operation and maintenance state data are generated, the main station system can predict the current load condition of the power generation system according to the obtained basic system data to obtain the current load prediction result, and a previous day power generation power curve and a previous day transaction price curve are constructed according to the basic system data. Further, the main station system can generate a current-day load peak-valley time period of the power generation system according to the predicted current-day load prediction result, so that current-day power generation benefit evaluation data and energy storage data of the power generation system are generated as current system operation and maintenance state data according to the current-day load prediction result, a previous-day power generation power curve, a previous-day trade electricity price curve and the current-day load peak-valley time period. It can be understood that the current day power generation benefit evaluation data is also the current day power generation benefit evaluation data of the power generation system. The energy storage data can be voltage, current, power data and the like of energy storage.
In an optional embodiment of the present invention, the generating current system operation and maintenance state data of the power generation system according to the current day load prediction result, the previous day power generation power curve, the previous day trade electricity price curve, and the current day load peak-valley time period may include: establishing a system operation and maintenance state calculation model according to preset model parameters and preset constraint conditions; and inputting the current day load prediction result, the previous day power generation power curve, the previous day transaction price curve and the current day load peak-valley time period as input variables into the system operation and maintenance state calculation model to obtain current system operation and maintenance state data of the power generation system.
The preset model parameters may be preset relevant parameters for constructing a system operation and maintenance state calculation model. The preset constraint condition may be a constraint condition which is constructed in advance and used for constructing the system operation and maintenance state calculation model. The system operation and maintenance state calculation model may be a model for calculating current system operation and maintenance state data of the power generation system.
Optionally, before the master station system calculates the current system operation and maintenance state data of the power generation system, the master station system may first establish a system operation and maintenance state calculation model according to preset model parameters and preset constraint conditions. For example, taking the photovoltaic power generation system as an example, the preset model parameters may include, but are not limited to, photovoltaic power generation profit, energy storage peak and frequency modulation cost, normal operation and maintenance cost, probabilistic failure loss cost, and the like. The preset constraint conditions may include, but are not limited to, photovoltaic power generation power constraint, energy storage daily peak and frequency modulation frequency constraint, energy storage peak and frequency modulation single profit constraint, and the like. After the system operation and maintenance state calculation model is constructed, the current-day load prediction result, the previous-day power generation power curve, the previous-day transaction electricity price curve and the current-day load peak-valley time period can be used as input variables and input into the system operation and maintenance state calculation model, the maximum value of the system operation and maintenance state calculation model is solved by using a mature intelligent optimization algorithm (such as a genetic algorithm, an ant colony algorithm, a neural network optimization algorithm and the like) to serve as an optimal solution, and the optimal power generation benefit evaluation result and the energy storage data are obtained and serve as the current system operation and maintenance state data of the power generation system.
It can be understood that, for a photovoltaic power generation system, the evaluation calculation of the power generation benefit is different from the past on the basis of the influence of factors such as energy storage peak-shaving frequency modulation and electricity price real-time transaction. The evaluation and calculation method for the power generation benefits can realize the maximum control of the benefit target, solve the problem of the benefit evaluation of the photovoltaic power station under the background of considering the market trading of the power price and the participation of the stored energy in peak-shaving frequency modulation, and improve the accuracy of the evaluation of the photovoltaic power generation benefits.
And S130, generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data.
The system operation control strategy may be a relevant strategy for controlling the operation state of the power generation system.
Correspondingly, after the master station system generates the current system operation and maintenance state data, that is, the current operation and maintenance state of the power generation system is mastered, the current system operation and maintenance state data can be used as a basis for analysis, a system operation control strategy of the power generation system is generated, and the operation state of the power generation system is controlled according to the system operation control strategy.
For example, taking a photovoltaic power generation system as an example, controlling the operation state of the power generation system according to the system operation control strategy may be controlling a real-time electricity price, an energy storage time period, a discharge time period, and the like of the power generation system.
Optionally, the master station system may send the generated system operation control strategy to a corresponding control terminal, so as to control the power generation system through the control terminal. Or, if the master station system has the control authority, the master station system can directly control the operation state of the power generation system according to the system operation control strategy. The embodiment of the present invention does not limit the execution subject for controlling the operation state of the power generation system.
According to the technical scheme, the operation control strategy of the system is generated by analyzing and processing the current system operation and maintenance state data of the power generation system, so that the operation control problem of the power station in the power generation system can be effectively solved, the intelligent operation level and benefit of the power generation system are improved, and meanwhile, the investment construction return period of the power generation system is favorably evaluated.
In an optional embodiment of the present invention, the generating a system operation control policy of the power generation system according to the current system operation and maintenance state data may include: determining evaluation control associated data of the power generation system according to the current system operation and maintenance state data; and generating a system operation control strategy of the power generation system according to the evaluation control associated data of the power generation system.
The evaluation control related data may be related data used for generating a system operation control policy, and may be, for example, an energy storage time period or a discharge time period, and the specific data content of the evaluation control related data is not limited in the embodiment of the present invention.
Specifically, the master station system may perform data analysis based on the current system operation and maintenance state data to determine evaluation control related data of the power generation system, such as an evaluated real-time electricity price, an energy storage time period or a discharge time period, so as to generate a system operation control strategy of the power generation system according to the evaluation control related data of the power generation system.
In an optional embodiment of the present invention, the power generation control method may further include: acquiring real-time system operation data of the power generation system; and correcting the system operation control strategy according to the real-time system operation data to obtain a real-time corrected system operation control strategy.
The real-time system operation data is also the system operation data obtained in real time. Taking a photovoltaic power generation system as an example, the real-time system operation data may include, but is not limited to, real-time daily transaction electricity price information, photovoltaic, energy storage, real-time operation data information of various meters, and the like. And correcting the system operation control strategy in real time, namely correcting the system operation control strategy in real time.
In the embodiment of the invention, in order to further improve the reliability and accuracy of the system operation control strategy, the master station system can also acquire the real-time system operation data of the power generation system in real time, so that the system operation control strategy is corrected according to the real-time system operation data acquired in real time, and the operation state of the power generation system is controlled according to the corrected real-time system operation control strategy.
In an optional embodiment of the present invention, the modifying the system operation control policy according to the real-time system operation data may include: determining a real-time correction period; and correcting the system operation control strategy according to the real-time system operation data according to the real-time correction period.
The real-time correction period may be a period for correcting a system operation control strategy, and may be set according to actual requirements, for example, half an hour, 1 hour, or 2 hours, and the specific period duration of the real-time correction period is not limited in the embodiment of the present invention.
According to the embodiment of the invention, the current system operation and maintenance state data of the power generation system is generated according to the acquired basic system data of the power generation system, so that the system operation control strategy of the power generation system is generated according to the current system operation and maintenance state data, and the operation state of the power generation system is controlled according to the system operation control strategy, so that the problems of low power generation efficiency and low power generation capacity of the existing power generation system are solved, the power generation control mode of the power generation system can be optimized, and the power generation efficiency and the power generation capacity of a power station are improved.
Example two
Fig. 2 is a schematic diagram of a control device of a power generation system according to a second embodiment of the present invention, as shown in fig. 2, the device includes: a basic system data obtaining module 210, a current system operation and maintenance state data generating module 220, and a system operation control policy generating module 230, wherein:
a basic system data acquisition module 210, configured to acquire basic system data of the power generation system;
a current system operation and maintenance state data generation module 220, configured to generate current system operation and maintenance state data of the power generation system according to the basic system data;
a system operation control strategy generation module 230, configured to generate a system operation control strategy of the power generation system according to the current system operation and maintenance state data;
wherein the system operation control strategy is used to control the operating state of the power generation system.
According to the embodiment of the invention, the current system operation and maintenance state data of the power generation system is generated according to the acquired basic system data of the power generation system, so that the system operation control strategy of the power generation system is generated according to the current system operation and maintenance state data, and the operation state of the power generation system is controlled according to the system operation control strategy, so that the problems of low power generation efficiency and low power generation capacity of the existing power generation system are solved, the power generation control mode of the power generation system can be optimized, and the power generation efficiency and the power generation capacity of a power station are improved.
Optionally, the power generation system control device may further include: the real-time system operation data acquisition module is used for acquiring real-time system operation data of the power generation system; and the system operation control strategy correction module is used for correcting the system operation control strategy according to the real-time system operation data to obtain a real-time corrected system operation control strategy.
Optionally, the current system operation and maintenance state data generating module 220 is specifically configured to: generating a current day load prediction result, a previous day power generation power curve and a previous day transaction electricity price curve of the power generation system according to the basic system data; generating a current day load peak-valley time period of the power generation system according to the current day load prediction result; and generating current system operation and maintenance state data of the power generation system according to the current day load prediction result, the previous day power generation power curve, the previous day trade electricity price curve and the current day load peak-valley time period.
Optionally, the current system operation and maintenance state data generating module 220 is specifically configured to: establishing a system operation and maintenance state calculation model according to preset model parameters and preset constraint conditions; and inputting the current day load prediction result, the previous day power generation power curve, the previous day transaction price curve and the current day load peak-valley time period as input variables into the system operation and maintenance state calculation model to obtain current system operation and maintenance state data of the power generation system.
Optionally, the system operation control policy generating module 230 is specifically configured to: determining evaluation control associated data of the power generation system according to the current system operation and maintenance state data; and generating a system operation control strategy of the power generation system according to the evaluation control associated data of the power generation system.
Optionally, the system operation control policy modification module is specifically configured to: determining a real-time correction period; and correcting the system operation control strategy according to the real-time system operation data according to the real-time correction period.
The power generation system control device can execute the power generation system control method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in the present embodiment, reference may be made to a power generation system control method provided in any embodiment of the present invention.
Since the above-described power generation system control device is a device capable of executing the power generation system control method in the embodiment of the present invention, based on the power generation system control method described in the embodiment of the present invention, a person skilled in the art can understand a specific implementation manner of the power generation system control device of the embodiment and various variations thereof, and therefore, how to implement the power generation system control method in the embodiment of the present invention by the power generation system control device will not be described in detail herein. The technical personnel in the field can apply the device adopted by the control method of the power generation system in the embodiment of the invention to the protection scope of the present application.
EXAMPLE III
Fig. 3 is a schematic diagram of a power generation system control system according to a third embodiment of the present invention, and as shown in fig. 3, the power generation system control system includes: the control terminal 310 and the master station system 320, the control terminal 310 and the master station system 320 are connected in a communication mode, wherein:
the control terminal 310 is configured to collect basic system data of the power generation system, and send the basic system data to the master station system 320; the control terminal 310 is further configured to receive a system operation control policy sent by the master station system 320, and control an operation state of the power generation system according to the system operation control policy;
the master station system 320 is configured to generate current system operation and maintenance state data of the power generation system according to the basic system data, generate a system operation control policy of the power generation system according to the current system operation and maintenance state data, and send the system operation control policy to the control terminal 310.
The number of the control terminals 310 may be plural.
Fig. 4 is a schematic structural diagram of a control terminal according to a third embodiment of the present invention. Fig. 5 is a schematic structural diagram of a power generation system control system according to a third embodiment of the present invention. In a specific example, as shown in fig. 4, the controlling terminal may specifically include: switching power supply, liquid crystal display, storage module, interface module, control module, back-up source, communication module, supporting wire rod and terminal housing etc.. The switching power supply can be externally connected with 220V alternating voltage. Optionally, the communication module may be a wireless communication module, so as to connect with the master station system through a wireless network to perform communication functions such as data transmission. The communication module and the master station system can establish communication in a 4G or 5G wireless mode. Switching power supply, liquid crystal display, storage module, interface module, control module, reserve power supply and communication module all install inside the terminal housing. Optionally, the communication module may include a 4G and/or 5G wireless communication chip. The backup power supply can be a lithium battery and can support the terminal to work for at least 1 hour after the power failure of the circuit. The liquid crystal display screen is a Light-emitting Diode (LED) display screen.
In the embodiment of the present invention, optionally, the system architecture of the power generation system control system may include a pre-data service, a database, a business service, a short message push service, a World Wide Web (also referred to as World Wide Web) service, an APP (Application program) service, and an HTTP (hypertext Transfer Protocol) Protocol service.
The preposed data service can be used for processing data uploaded to the master station system by the control terminal and can also be used for processing data imported into the master station system by a user, and the data processing comprises data receiving, data preprocessing, data short-term storage and the like. The database may be used for long term storage of data, particularly serving various functions of the power generation system control system. The business service can comprise data acquisition, import and export, historical query, data calculation (mainly used for current system operation and maintenance state data such as benefit evaluation), real-time control and intelligent operation and maintenance. The short message pushing service is used for sending the intelligent operation and maintenance information to equipment of designated personnel through a short message pushing function. Web services are a class of services provided to facilitate system end users to access various types of data on the Web. The APP service is an APP software service function which can be provided for a user by the power generation system control system. The HTTP protocol service serves as a standard for client and server side requests and responses.
Fig. 6 is a schematic system function diagram of a control system of a power generation system according to a third embodiment of the present invention. In an embodiment of the present invention, as shown in fig. 6, the system functions of the power generation system control system may include management functions and business functions.
Alternatively, the management functions may include, but are not limited to, user rights management, terminal infrastructure management, and system version management. The user authority management can realize the addition, modification, deletion and authority level setting management of the user account password. The terminal basic information management can realize the operations of adding, deleting, modifying basic information and the like to the control terminal, and can also distribute the control terminal administered by the user according to the user authority condition. The system version management can realize management of the system version and management of the software version of each control terminal according to the authority.
Optionally, the business functions may include, but are not limited to, data collection, import and export, historical queries, benefit assessment, real-time control, and intelligent operation and maintenance. Taking the photovoltaic power generation system as an example, as shown in fig. 5, the data acquisition may be a control terminal for acquiring voltage, current and power of the photovoltaic power generation system, voltage, current and power of the stored energy, and voltage, current, power and power factor of the photovoltaic power generation metering instrument and the grid-connected point metering instrument. The import and export function can be used for importing basic system data of the photovoltaic power generation system into the master station system, importing a historical daily transaction electricity price curve and a load prediction result, or automatically calculating the load prediction result according to the basic system data, exporting a solar photovoltaic power generation benefit evaluation result and photovoltaic energy storage voltage, current and power data information as current system operation and maintenance state data, and exporting a photovoltaic power generation daily control scheme as a system operation control strategy. Historical query can be realized to query various data information stored in the database of the master station system. The data calculation can be used for evaluating and calculating a daily photovoltaic power generation evaluation benefit result according to the historical photovoltaic power generation power, the historical load prediction result and the historical daily trading electricity price curve, and generating a corresponding system operation control strategy as a control scheme. The real-time control can be realized by modifying the control scheme in real time according to the real-time photovoltaic power generation power, the real-time load data and the real-time daily transaction electricity price, so that the real-time control scheme is generated and the operation of the photovoltaic power generation system is controlled. Wisdom fortune dimension then can obtain photovoltaic power generation, energy storage and control terminal's operation situation information through data acquisition, realizes high-efficient accurate fortune dimension troubleshooting.
In a specific example, taking a photovoltaic power generation system as an example for specific description, a specific flow of a power generation system control method executed by a power generation system control system may include the following contents:
step 1: and each control terminal acquires basic system data of the photovoltaic power generation system and imports the acquired basic system data into the master station system.
Step 2: at a fixed time point (e.g. 0: 00) every day, the master station system automatically obtains the load prediction result of the day. Or the main station system automatically calculates the load prediction result of the current day according to the acquired basic system data.
And 3, step 3: and determining the photovoltaic power generation power curve of the previous day and the trading power price curve information of the previous day according to the basic system data, and calculating and evaluating the optimal benefit evaluation result of the photovoltaic power generation system and a corresponding control scheme by combining the load prediction result of the current day.
And 4, step 4: and acquiring real-time daily transaction electricity price information and real-time operation data information of photovoltaic, energy storage and various instruments.
And 5: and correcting the control scheme once per hour according to the real-time information obtained in the fourth step, controlling the operation of the photovoltaic power generation system according to the real-time control scheme generated after correction, and outputting the benefit evaluation result of the photovoltaic power generation system on the same day at another fixed time point (such as 24 points 00 minutes).
Specifically, the control scheme of the photovoltaic power generation system can be obtained by:
step 3.1: and acquiring related data at intervals of 15 minutes to construct a current load prediction result curve, a previous day photovoltaic power generation power curve and previous day transaction electricity price curve information, and acquiring a load peak-valley time period according to the current load prediction result.
Step 3.2: and establishing an optimal benefit evaluation model of the photovoltaic power generation system, wherein the model can be composed of photovoltaic power generation income, energy storage peak and frequency modulation cost, conventional operation and maintenance cost and probabilistic fault loss cost, and the constraint conditions can comprise photovoltaic power generation power constraint, energy storage daily peak and frequency modulation frequency constraint and energy storage peak and frequency modulation single income constraint.
Step 3.3: and solving the optimal benefit evaluation model of the photovoltaic power generation system by using an intelligent optimization algorithm to obtain the evaluation benefit of the solar photovoltaic power generation and the numerical values of all variables such as voltage, current and power data of the photovoltaic energy storage.
Step 3.4: and (4) circulating the step 3.2 and the step 3.3 until 96 times (one day is a period) are finished, and summarizing the solar photovoltaic power generation evaluation benefit of the step 3.2 in each circulation so as to uniformly generate a corresponding control scheme according to a summarized result.
According to the technical scheme, the control terminal is used for collecting the basic system data of the power generation system and sending the basic system data to the master station system. And the master station system generates current system operation and maintenance state data of the power generation system according to the basic system data, further generates a system operation control strategy of the power generation system according to the current system operation and maintenance state data, and sends the system operation control strategy to the control terminal. After the control terminal receives the system operation control strategy sent by the master station system, the control terminal controls the operation state of the power generation system according to the system operation control strategy, solves the problems of low power generation efficiency and power generation capacity and the like of the existing power generation system, and can optimize the power generation control mode of the power generation system, thereby improving the power generation efficiency and power generation capacity of the power station.
Example four
FIG. 7 illustrates a block diagram of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 7, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 can perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from a storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to the bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, or the like. The processor 11 performs the various methods and processes described above, such as the power generation system control method.
In some embodiments, the power generation system control method may be implemented as a computer program tangibly embodied in a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the power generation system control method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the power generation system control method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the Internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
EXAMPLE five
Fifth embodiment of the present invention further provides a computer storage medium storing a computer program, which when executed by a computer processor is configured to execute the power generation system control method according to any one of the fifth embodiment of the present invention: acquiring basic system data of a power generation system; generating current system operation and maintenance state data of the power generation system according to the basic system data; generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data; wherein the system operation control strategy is used to control the operating state of the power generation system.
Computer storage media for embodiments of the present invention may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM, or flash Memory), an optical fiber, a portable compact disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired result of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power generation system control method characterized by comprising:
acquiring basic system data of a power generation system;
generating current system operation and maintenance state data of the power generation system according to the basic system data;
generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data;
wherein the system operation control strategy is used for controlling the operation state of the power generation system.
2. The method of claim 1, further comprising:
acquiring real-time system operation data of the power generation system;
and correcting the system operation control strategy according to the real-time system operation data to obtain a real-time corrected system operation control strategy.
3. The method of claim 1, wherein generating current system operation and maintenance state data of the power generation system from the base system data comprises:
generating a current day load prediction result, a previous day power generation power curve and a previous day trading electricity price curve of the power generation system according to the basic system data;
generating a load peak-valley time period of the power generation system according to the load prediction result of the day;
and generating current system operation and maintenance state data of the power generation system according to the current day load prediction result, the previous day power generation power curve, the previous day transaction power price curve and the current day load peak-valley time period.
4. The method of claim 3, wherein generating the current system operation and maintenance state data of the power generation system according to the current day load prediction result, the previous day power generation power curve, the previous day trade electricity price curve and the current day load peak-valley time period comprises:
establishing a system operation and maintenance state calculation model according to preset model parameters and preset constraint conditions;
and inputting the current day load prediction result, the previous day power generation power curve, the previous day transaction price curve and the current day load peak-valley time period as input variables into the system operation and maintenance state calculation model to obtain current system operation and maintenance state data of the power generation system.
5. The method of claim 1, wherein generating the system operation control strategy for the power generation system according to the current system operation and maintenance state data comprises:
determining evaluation control associated data of the power generation system according to the current system operation and maintenance state data;
and generating a system operation control strategy of the power generation system according to the evaluation control associated data of the power generation system.
6. The method of claim 2, wherein modifying the system operation control strategy based on the real-time system operation data comprises:
determining a real-time correction period;
and correcting the system operation control strategy according to the real-time system operation data according to the real-time correction period.
7. A power generation system control device characterized by comprising:
the basic system data acquisition module is used for acquiring basic system data of the power generation system;
the current system operation and maintenance state data generation module is used for generating current system operation and maintenance state data of the power generation system according to the basic system data;
the system operation control strategy generation module is used for generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data;
wherein the system operation control strategy is used to control the operating state of the power generation system.
8. A power generation system control system is characterized by comprising a control terminal and a main station system, wherein the control terminal is in communication connection with the main station system, and the power generation system control system comprises:
the control terminal is used for acquiring basic system data of the power generation system and sending the basic system data to the master station system; the control terminal is further used for receiving a system operation control strategy sent by the master station system and controlling the operation state of the power generation system according to the system operation control strategy;
the master station system is used for generating current system operation and maintenance state data of the power generation system according to the basic system data, generating a system operation control strategy of the power generation system according to the current system operation and maintenance state data, and sending the system operation control strategy to the control terminal.
9. An electronic device, characterized in that the electronic device comprises:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein, the first and the second end of the pipe are connected with each other,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the power generation system control method of any one of claims 1-6.
10. A computer storage medium storing computer instructions for causing a processor to perform the power generation system control method of any one of claims 1-6 when executed.
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