CN114629179A - A photovoltaic peak shaving method, device and system - Google Patents

Abstract

The application discloses a photovoltaic peak regulation method, a photovoltaic peak regulation device and a photovoltaic peak regulation system, wherein the photovoltaic peak regulation method comprises the following steps: issuing a photovoltaic output control instruction by primary scheduling; the secondary scheduling receives the photovoltaic output control instruction and generates a control strategy according to the photovoltaic output control instruction; and the third-level scheduling receives the control strategy and executes the control strategy. The method and the device can solve the problem that group control cannot be adjusted in a coordinated manner.

Description

A photovoltaic peak regulation method, device and system

technical field

The present application relates to the technical field of peak regulation, and in particular to a photovoltaic peak regulation method, device and system.

Background technique

At present, more and more distributed photovoltaics are connected to the power grid, but distributed photovoltaics have not yet achieved full-area household coverage and group control group control through grid dispatching operation, and there are problems affecting power grid operation monitoring and load control. With the increase of distributed photovoltaic household capacity and the increase in the number of grid-connected points, it will also have a certain impact on the stable operation of the power grid. The existing control system is one of the foundations of dispatching operation control, but the existing control system can only support the voltage level of 10kV and above, and cannot realize more and more low-voltage household photovoltaic group regulation and group control in the future. There is a lack of effective measures for photovoltaic regulation.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present application is made. The embodiments of the present application provide a photovoltaic peak regulation method, device and system, which can solve the problem of inability to coordinate group regulation and group control.

According to an aspect of the present application, a photovoltaic peak regulation method is provided, including: a first-level dispatcher issuing a photovoltaic output control instruction; a second-level dispatcher receiving the photovoltaic output control instruction, and generating a control strategy according to the photovoltaic output control instruction ; and a three-level scheduler receives the control strategy and executes it.

In one embodiment, the second-level scheduling receiving the photovoltaic output control instruction, and generating a control strategy according to the photovoltaic output control instruction includes: the second-level scheduling generating a photovoltaic output target value according to the photovoltaic output control instruction. ; wherein, the photovoltaic output target value is used to instruct the three-level scheduling to execute the control strategy, and the photovoltaic output target value is used to regulate the photovoltaics connected to the first grid.

In one embodiment, the second-level scheduling receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction, comprising: the second-level scheduling generates a direct Control instructions; wherein, the direct control instructions are used for secondary scheduling to directly regulate the photovoltaics connected to the second grid.

In an embodiment, the receiving and executing the control strategy in the tertiary scheduling includes: the tertiary scheduling controls the photovoltaics of multiple users in rounds according to the control strategy.

In an embodiment, the third-level scheduling controls the photovoltaics of multiple users by round according to the control strategy includes: the third-level scheduling records the photovoltaic status of the multiple users in each round, and the current round The round instruction is re-issued according to the photovoltaic status of the multiple users in the previous round; and the photovoltaics of the multiple users are controlled according to the round instruction.

In an embodiment, the second-level scheduling receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction, comprising: the second-level scheduling according to the photovoltaic output control instruction and a preset photovoltaic range, A photovoltaic sequence is generated according to the proportion of the total photovoltaic capacity managed and controlled by the three-level scheduling; wherein, the photovoltaic sequence is used to generate a control strategy.

In one embodiment, the receiving and executing the control strategy in the third-level scheduling includes: receiving and executing the control strategy corresponding to each control area of the third-level scheduling for a plurality of the third-level scheduling, respectively.

In an embodiment, the first-level scheduling includes provincial-level scheduling, the second-level scheduling includes prefecture-level scheduling, and the third-level scheduling includes county-level scheduling, wherein the photovoltaic peak regulation method further includes: provincial-level scheduling Issue photovoltaic output control instructions to a plurality of said prefecture-level dispatchers; a plurality of said prefecture-level dispatchers receive corresponding said photovoltaic output control instructions, and generate multiple control strategies according to said photovoltaic output control instructions; and multiple county-level dispatchers The scheduler receives and executes the corresponding control strategies respectively.

According to another aspect of the present application, a photovoltaic peak shaving device is provided, including: a first-level module, used for first-level scheduling to issue photovoltaic output control instructions; a second-level module, used for second-level scheduling to receive the photovoltaic output control instruction, and generate a control strategy according to the photovoltaic output control instruction; and a tertiary module for tertiary scheduling to receive and execute the control strategy.

According to another aspect of the present application, there is provided a photovoltaic peak regulation system, comprising: a regulation saving device, the regulation saving device is used to manage photovoltaic output control within a province; The provincial adjustment device is communicatively connected, and the ground adjustment device is used to manage the overall scheduling of photovoltaic output within the region; the county adjustment device, the county adjustment device is communicatively connected with the ground adjustment device, and the county adjustment device is used for managing and controlling photovoltaic peak regulation within a county; and a controller, the controller is connected to the provincial regulation device, the ground regulation device and the county regulation device, the controller is configured to perform any of the above-mentioned embodiments The photovoltaic peak shaving method.

The photovoltaic peak regulation method, device and system provided by the present application make distributed photovoltaic dispatching more flexible and operation more efficient through the strategy of hierarchical control at all levels. Dismantling distributed photovoltaics into reasonable levels and realizing single control, group control or even full control can improve the stability and reliability of the power grid. The coordinated operation of all levels can ensure the safe and stable operation of the power grid.

Description of drawings

The above and other objects, features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present application, constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation to the present application. In the drawings, the same reference numbers generally refer to the same components or steps.

Figure 1 is a schematic structural diagram of an automatic power generation control application and other applications.

FIG. 2 is a schematic flowchart of a photovoltaic peak shaving method provided by an exemplary embodiment of the present application.

FIG. 3 is a schematic flowchart of a photovoltaic peak shaving method provided by another exemplary embodiment of the present application.

FIG. 4 is a schematic flowchart of a photovoltaic peak shaving method provided by another exemplary embodiment of the present application.

FIG. 5 is a schematic flowchart of a photovoltaic peak shaving method provided by another exemplary embodiment of the present application.

FIG. 6 is a schematic structural diagram of a photovoltaic peak regulation device provided by an exemplary embodiment of the present application.

FIG. 7 is a schematic structural diagram of a photovoltaic peak regulation device provided by another exemplary embodiment of the present application.

FIG. 8 is a structural diagram of an electronic device provided by an exemplary embodiment of the present application.

Detailed ways

Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited by the example embodiments described herein.

Application overview

At present, more and more distributed photovoltaics are connected to the power grid, but distributed photovoltaics have not yet achieved full-area household coverage and group control group control through grid dispatching operation, and there are problems affecting power grid operation monitoring and load control. With the increase of distributed photovoltaic household capacity and the increase in the number of grid-connected points, it will also have a certain impact on the stable operation of the power grid. The existing control system is one of the foundations of dispatching operation control, but the existing control system can only support the voltage level of 10kV and above, and cannot realize more and more low-voltage household photovoltaic group regulation and group control in the future. There is a lack of effective measures for photovoltaic regulation.

With the continuous completion and operation of new energy power stations, more new energy is consumed in the power grid, the characteristics of the power grid have also undergone major changes, and the operation control has become more complex, which has put forward higher requirements for ensuring the safe and stable operation of the power grid and improving the ability of the power grid to control. requirements. Therefore, the integrated operation and coordinated development of dispatching at all levels is a necessary condition to ensure the safe and stable operation of the power grid.

Exemplary System

According to another aspect of the present application, a photovoltaic peak shaving system is provided, including: a provincial regulating device, which is used to manage photovoltaic output control within a provincial area; a ground regulating device, which communicates with the provincial regulating device Connection, the ground control device is used to manage the overall dispatching of photovoltaic output within the region; the county adjustment device, the county adjustment device is communicated with the ground control device, and the county adjustment device is used to manage and control the photovoltaic peak regulation within the county; and the controller, control The controller is connected with the provincial regulating device, the ground regulating device and the county regulating device, and the controller is used to execute the photovoltaic peak regulation method provided by the present application.

The controller can use the power grid automatic power generation control application, which is the application basis of the photovoltaic peak regulation system. The power grid automatic power generation control application uses the real-time operation information of the power grid, combined with the real-time scheduling plan information and real-time mode information to automatically adjust the adjustable equipment. Realize the closed-loop adjustment of the power grid.

Figure 1 is a schematic diagram of the structure of the automatic power generation control application and other applications. As shown in Figure 1, the automatic power generation control (AGC) application includes two independent modules, namely the new energy AGC module and the conventional hydrothermal power AGC module. The automatic power generation control application is connected with SCADA (Supervisory Control And Data AcquiSition System, data acquisition and supervisory control system) application, dispatch planning application and online safety analysis application. The automatic power generation control application is also connected to the D5000 basic platform. The D5000 basic platform is used to support the grid dispatching technology. The D5000 basic platform is the basis for the development and operation of the smart grid dispatching technology support system. General technical support provides guarantee for the integration and efficient and reliable operation of the entire system. The D5000 basic platform collects various data from the dispatching data network. The data collected by the dispatching data network comes from the wind farm monitoring system, photovoltaic station monitoring system, energy storage station monitoring system and power plant monitoring system. The new energy AGC and the conventional AGC system belong to the same AGC application, but the two are completely independent, using independent model table, historical template table and independent process. The conventional hydrothermal power AGC system controls the active power of the generator sets in the dispatch area to make the power generation automatically track the load changes, maintain the system frequency at the rated value, and maintain the power grid tie line exchange power. The new energy AGC system ensures the peak regulation and section safety of the power grid by controlling the active power output of the new energy stations in the dispatching area, and as much as possible to absorb the active power generation of wind and light new energy.

The automatic power generation control function built on the unified support platform of the smart grid dispatching technical support system is one of the most basic applications of the smart grid dispatching technical support system. According to the characteristics and new energy consumption requirements, a variety of control objectives adapted to new energy dispatch and control modes adapted to the control characteristics of new energy stations are designed, which can meet the control requirements of the grid for large-scale access to new energy. The main functions of the new energy AGC include: realizing the active automatic control of multi-region and multi-scenario new energy, providing a variety of new energy automatic and manual control modes to adapt to different control needs. Supports multiple control objects of regions and field groups, as well as field group-based grouping and multi-principle priority and proportional allocation strategies to meet the requirements of fairness and security. A coordinated control method is designed to facilitate the coordinated control of new energy AGC and conventional AGC.

According to the photovoltaic peak regulation set by the automatic generation control (AGC) application, the integrated operation of dispatching at all levels and the coordinated development of multiple places and multiple levels can be realized.

The provincial dispatching device can be equipped with the provincial dispatching AGC system, which is responsible for the overall dispatching of the output of various power plants within the provincial scope, and the ground dispatching device can be equipped with the ground dispatching AGC system, which is responsible for the distributed photovoltaic output within the regional power grid. For the overall dispatching, the county dispatching device can be equipped with a photovoltaic cost control system, which is responsible for the overall dispatch of the 380V grid-connected distributed photovoltaic output within the scope of the regional power grid. Implement hierarchical control, perform hierarchical management, and coordinate control to realize the peak regulation function of the global distributed photovoltaic auxiliary power grid.

Exemplary method

FIG. 2 is a schematic flowchart of a photovoltaic peak shaving method provided by an exemplary embodiment of the present application. As shown in FIG. 2 , the photovoltaic peak shaving method includes:

Step 100: The first-level scheduling issues a photovoltaic output control instruction.

The first-level dispatch is the highest-level dispatch. The first-level dispatcher is responsible for managing the main power plants and centralized photovoltaic output control within the scope, and issues the output control instructions of distributed photovoltaics to the next-level dispatcher. The photovoltaic output control command issued by the first-level dispatcher also includes the output peak shaving target value, which is used to indicate the photovoltaic output peak shaving target value of the next level.

The first-level scheduling can incorporate distributed photovoltaics into the adjustable range, develop programs that interface with the next-level system, and have the function of issuing the next-level distributed photovoltaic output target value.

Step 200: The secondary dispatcher receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction.

The secondary dispatcher generates a control strategy after receiving the photovoltaic output control instruction issued by the primary dispatcher. Control strategies include photovoltaics for controlling 10kV grid-connected and photovoltaics for controlling 380V grid-connected. The second-level dispatcher can issue control instructions to the 10kV grid-connected photovoltaics within the area controlled by the second-level dispatcher according to the voltage level, or send the control strategy to the third-level dispatcher, and the third-level dispatcher can control the grid-connected photovoltaics according to the control strategy of the second-level dispatcher. The 380V grid connection within the area controlled by the three-level scheduling control is regulated.

The second-level scheduling is connected with the first-level scheduling communication. The second-level scheduling has the function of receiving the peak regulation target value issued by the first-level scheduling, and also has the function of batch generation of 10kV photovoltaic control commands, which can realize the control strategy. The interface for scheduling communication, which can deliver the peak shaving target value to the third-level scheduling step by step.

Step 300: The three-level scheduling receives and executes the control strategy.

The third-level dispatcher can receive the control strategy issued by the second-level dispatcher, and control the 380V grid-connected photovoltaics of each household.

The photovoltaic peak regulation method provided by the present application makes distributed photovoltaic scheduling more flexible and operation more efficient through the strategy of hierarchical control at all levels. Dismantling distributed photovoltaics into reasonable levels and realizing single control, group control or even full control can improve the stability and reliability of the power grid. The coordinated operation of all levels can ensure the safe and stable operation of the power grid.

In one embodiment, step 200 may include: the second-level scheduling generates a photovoltaic output target value according to the photovoltaic output control instruction; wherein, the photovoltaic output target value is used to instruct the third-level scheduling to execute the control strategy, and the photovoltaic output target value is used to regulate the third-level scheduling. Grid-connected photovoltaics.

After the second-level dispatcher receives the photovoltaic output control command issued by the first-level dispatcher, it generates a photovoltaic output target value. The first grid connection may include a 380V grid connection.

In an embodiment, step 200 may include: the secondary scheduling generates a direct control command according to the photovoltaic output control command and the voltage level; wherein the direct control command is used for the secondary scheduling to directly regulate the photovoltaics connected to the second grid.

The second-level scheduling can also issue direct control instructions to the photovoltaics connected to the second grid according to the photovoltaic output control instructions and voltage level distinction, and the second grid connection can include 10kV grid connection. The second-level scheduling generates 10kV photovoltaic control commands in batches, which can directly control multiple 10kV distributed photovoltaics.

FIG. 3 is a schematic flowchart of a photovoltaic peak shaving method provided by another exemplary embodiment of the present application. As shown in FIG. 3 , step 300 may include:

Step 310: The third-level scheduling controls the photovoltaics of multiple users in rounds according to the control strategy.

The third-level scheduling can automatically adjust the control strategy of the second-level scheduling. For example, in order to evenly share the revenue loss caused by the user's photovoltaic control, a round mechanism is introduced. Each round includes all distributed photovoltaics. In principle, each photovoltaic household is only controlled once in each round. After the current round is controlled once, it will be turned on. next round. The three-level dispatching has the function of diary recording, which can automatically record the time of each photovoltaic disconnection and grid connection, whether it is successful, the number of times of disconnection within the year, and the loss of electricity, which is convenient for statistical analysis. After the third-level dispatcher receives and executes the control strategy, the list, quantity, and capacity of uncontrolled photovoltaics can be obtained, allowing the uncontrolled photovoltaics to be controlled again.

FIG. 4 is a schematic flowchart of a photovoltaic peak shaving method provided by another exemplary embodiment of the present application. As shown in FIG. 4 , the foregoing step 310 may include:

Step 311 : The third-level scheduling records the photovoltaic status of multiple users in each round, and the current round re-issues the round instruction according to the photovoltaic status of the multiple users in the previous round.

The three-level dispatching has the function of diary recording, which can automatically record the time of each photovoltaic disconnection and grid connection, whether it is successful, the number of times of disconnection within the year, and the loss of electricity, which is convenient for statistical analysis. After one round, the third-level dispatcher can obtain the list, quantity, and capacity of uncontrolled photovoltaics, so as to issue control instructions to uncontrolled photovoltaics again.

Step 312: Control the photovoltaics of multiple users according to the round instruction.

According to the actual situation of each household's photovoltaics recorded in the three-level scheduling, control instructions are issued to the photovoltaics of multiple users. The three-level scheduling can realize three functions: manual control, automatic overload control, and auxiliary control for peak regulation. It can automatically adjust the control strategy issued by the second-level scheduling, and automatically adjust according to the diary recording function of the third-level scheduling.

In an embodiment, the above step 200 may include: generating a photovoltaic sequence according to the photovoltaic output control instruction and preset photovoltaic range in the second-level scheduling and according to the total photovoltaic capacity ratio controlled by the third-level scheduling; wherein the photovoltaic sequence is used to generate a control strategy .

After the second-level dispatcher receives the peak shaving target value input by manual or first-level dispatching, within the photovoltaic range of the selected third-level dispatching area, according to the proportion of the total photovoltaic capacity of each third-level dispatching area, the demand for each third-level dispatching area is automatically generated. When the PV sequence is pulled and stopped, a control strategy is generated according to the PV sequence and sent to the third-level dispatcher. Auxiliary control of regional peak shaving is realized. Users can also freely select each three-level dispatching area on the visual interface, and independently control the three-level dispatching area according to the selection.

In an embodiment, the above step 300 may include: multiple tertiary schedulers respectively receiving and executing a control strategy corresponding to a control area of each tertiary schedule.

The third-level dispatching area can include multiple county-level areas, and each county-level area includes multi-household photovoltaics, which can realize flexible grid-connected control of photovoltaic power generation within the cluster. The photovoltaic control is divided according to the three-level dispatching responsibility area. The first-level dispatch area only controls the photovoltaics in its own area, and multiple third-level dispatchers respectively receive control strategies belonging to their own areas. Make distributed photovoltaic scheduling more flexible and operate more efficiently.

FIG. 5 is a schematic flowchart of a photovoltaic peak regulation method provided by another exemplary embodiment of the present application. As shown in FIG. 5 , the first-level scheduling includes provincial-level scheduling, the second-level scheduling includes prefecture-level scheduling, and the third-level scheduling includes county-level scheduling , wherein the photovoltaic peak shaving method may further include:

Step 400: The provincial dispatcher issues photovoltaic output control instructions to multiple prefecture-level dispatchers.

The provincial dispatching is responsible for the overall dispatching of the output of various power plants in the provincial area, and manages the main power plants and centralized photovoltaic output control within the province. function of the target value.

Provincial-level scheduling can also carry out planned peak shaving and issue output curves for future periods in advance.

Step 500: Multiple ground-level dispatchers receive corresponding photovoltaic output control instructions, and generate multiple control strategies according to the photovoltaic output control instructions.

The prefecture-level dispatcher is responsible for the overall dispatch of distributed photovoltaic output within the region. According to the voltage level, it issues control commands for 10kV grid-connected photovoltaics, or for county-level dispatchers, issues the target value of 380V grid-connected photovoltaic output. The ground-level scheduling can generate 10kV photovoltaic control commands in batches to realize 10kV photovoltaic area control.

Step 600: Multiple county-level dispatchers respectively receive and execute corresponding control strategies.

The county-level dispatcher is responsible for the dispatch of the distributed photovoltaic output of 380V grid-connected within the scope of the county-level power grid, controls the 380V grid-connected photovoltaics, and implements the control strategy according to the target value of each county adjustment. The division of PV clusters at the county level can realize flexible grid-connected control of PV power generation within the cluster. PV control is divided according to the county's responsibility area for scheduling, and each county only controls PV in its own area.

Through the method of hierarchical control at all levels, the integrated operation of dispatching at all levels and the coordinated development of provinces, prefectures and counties are formed. According to the characteristics of the control system of each layer, combined with the control strategy, the connection of each level of scheduling is realized. Compared with the traditional photovoltaic peak shaving method, the overall scheduling can be achieved faster and stronger. Disassemble distributed photovoltaics into reasonable levels, from distribution level, line level, substation level to county level, to achieve single control, group control and even full control.

Exemplary device

FIG. 6 is a schematic structural diagram of a photovoltaic peak shaving device provided by an exemplary embodiment of the present application. As shown in FIG. 6 , the photovoltaic peak shaving device 8 includes: a first-level module 81, which is used for the first-level dispatching and issuing photovoltaic output control The second-level module 82 is used for the second-level scheduling to receive photovoltaic output control instructions, and generate a control strategy according to the photovoltaic output control instructions; and the third-level module 83 is used for the third-level scheduling to receive and execute the control strategy.

The photovoltaic peak regulation device provided by the present application makes the distributed photovoltaic scheduling more flexible and the operation more efficient through the strategy of hierarchical control between the first-level module 81 , the second-level module 82 and the third-level module 83 . Dismantling distributed photovoltaics into reasonable levels and realizing single control, group control or even full control can improve the stability and reliability of the power grid. The coordinated operation of all levels can ensure the safe and stable operation of the power grid.

In one embodiment, the second-level module 82 may include: the second-level scheduling generates a photovoltaic output target value according to the photovoltaic output control instruction; wherein, the photovoltaic output target value is used to instruct the third-level scheduling to execute the control strategy, and the photovoltaic output target value is used for For regulating the first grid-connected photovoltaics.

In an embodiment, the above-mentioned secondary module 82 may further include: the secondary dispatcher generates a direct control command according to the photovoltaic output control command and the voltage level; wherein, the direct control command is used for the secondary dispatch to directly regulate the photovoltaics connected to the second grid. .

FIG. 7 is a schematic structural diagram of a photovoltaic peak regulation device provided by another exemplary embodiment of the present application. As shown in FIG. 7 , the above-mentioned three-level module 83 may include: a round unit 831, which is used for three-level scheduling according to the control strategy. Control the PV of multiple users in turn.

In an embodiment, as shown in FIG. 7 , the above-mentioned round unit 831 may include: a recording sub-unit 8311, which is used for three-level scheduling to record the photovoltaic status of multiple users in each round. The current round is based on the previous round. The PV status of the multiple users is re-issued the round instruction; the control sub-unit 8312 is used to control the PV of the multiple users according to the round instruction.

In an embodiment, the above-mentioned secondary module 82 may further include: the secondary scheduling generates a photovoltaic sequence according to the photovoltaic output control instruction and the preset photovoltaic range, and according to the proportion of the total photovoltaic capacity controlled by the tertiary scheduling; wherein, the photovoltaic sequence is used for Generate control strategies.

In an embodiment, the above-mentioned tertiary module 83 may include: a plurality of tertiary schedulers respectively receive and execute the control strategy corresponding to the control area of each tertiary schedule.

In one embodiment, as shown in FIG. 7 , the above photovoltaic peak regulation device 8 may include: a provincial regulation module 84 for dispatching photovoltaic output control commands to multiple prefecture-level dispatching at the provincial level; and an earth regulation module 85 for The multiple prefecture-level dispatchers receive corresponding photovoltaic output control instructions, and generate multiple control strategies according to the photovoltaic output control instructions; the county-level dispatching module 86 is used for multiple county-level dispatchers to receive and execute corresponding control strategies respectively.

Exemplary Electronics

Hereinafter, an electronic device according to an embodiment of the present application will be described with reference to FIG. 8 . The electronic device may be either or both of the first device and the second device, or a stand-alone device independent of them that can communicate with the first device and the second device to receive the collected data from them input signal.

8 illustrates a block diagram of an electronic device according to an embodiment of the present application.

As shown in FIG. 8 , the electronic device 10 includes one or more processors 11 and a memory 12 .

Processor 11 may be a central processing unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in electronic device 10 to perform desired functions.

Memory 12 may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and/or cache memory, or the like. The non-volatile memory may include, for example, read only memory (ROM), hard disk, flash memory, and the like. One or more computer program instructions may be stored on the computer-readable storage medium, and the processor 11 may execute the program instructions to implement the photovoltaic peak shaving method and/or the various embodiments of the present application described above. Other desired features. Various contents such as input signals, signal components, noise components, etc. may also be stored in the computer-readable storage medium.

In one example, the electronic device 10 may also include an input device 13 and an output device 14 interconnected by a bus system and/or other form of connection mechanism (not shown).

When the electronic device is a stand-alone device, the input device 13 may be a communication network connector for receiving the collected input signals from the first device and the second device.

In addition, the input device 13 may also include, for example, a keyboard, a mouse, and the like.

The output device 14 can output various information to the outside, including the determined distance information, direction information, and the like. The output device 14 may include, for example, displays, speakers, printers, and communication networks and their connected remote output devices, among others.

Of course, for simplicity, only some of the components in the electronic device 10 related to the present application are shown in FIG. 8 , and components such as buses, input/output interfaces and the like are omitted. Besides, the electronic device 10 may also include any other suitable components according to the specific application.

The computer program product can write program codes for performing the operations of the embodiments of the present application in any combination of one or more programming languages, including object-oriented programming languages, such as Java, C++, etc. , also includes conventional procedural programming languages, such as "C" language or similar programming languages. The program code may execute entirely on the user computing device, partly on the user device, as a stand-alone software package, partly on the user computing device and partly on a remote computing device, or entirely on the remote computing device or server execute on.

The computer-readable storage medium may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may include, for example, but not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatuses or devices, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

The foregoing description has been presented for the purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the forms disclosed herein. Although a number of example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims (10)

1. A photovoltaic peak shaving method, characterized in that, comprising: The first-level dispatcher issues photovoltaic output control instructions; The secondary dispatcher receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction; and The three-level scheduling receives the control strategy and executes it. 2 . The photovoltaic peak regulation method according to claim 1 , wherein the second-level scheduling receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction, comprising: 2 . The second-level scheduling generates a photovoltaic output target value according to the photovoltaic output control instruction; wherein, the photovoltaic output target value is used to instruct the third-level scheduling to execute the control strategy, and the photovoltaic output target value is used for regulation and control The first grid-connected photovoltaics. 3 . The photovoltaic peak regulation method according to claim 1 , wherein the secondary scheduling receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction, comprising: 3 . The secondary scheduling generates a direct control instruction according to the photovoltaic output control instruction and the voltage level; wherein, the direct control instruction is used for the secondary scheduling to directly regulate the photovoltaics connected to the second grid. 4 . The photovoltaic peak regulation method according to claim 1 , wherein the three-level scheduling receiving and executing the control strategy comprises: 5 . The three-level scheduling controls the photovoltaics of multiple users in rounds according to the control strategy. 5 . The photovoltaic peak regulation method according to claim 4 , wherein, according to the control strategy, the three-level scheduling controls the photovoltaics of multiple users in rounds, comprising: 6 . The three-level scheduling records the photovoltaic status of the multiple users in each round, and the current round re-issues the round instruction according to the photovoltaic status of the multiple users in the previous round; According to the round instruction, the photovoltaics of the plurality of users are controlled. 6 . The photovoltaic peak regulation method according to claim 1 , wherein the second-level scheduling receives the photovoltaic output control instruction, and generates a control strategy according to the photovoltaic output control instruction, comprising: 6 . The second-level scheduling generates a photovoltaic sequence according to the photovoltaic output control instruction and the preset photovoltaic range, and according to the total photovoltaic capacity ratio managed and controlled by the third-level scheduling; wherein, the photovoltaic sequence is used to generate a control strategy. 7 . The photovoltaic peak regulation method according to claim 1 , wherein the three-level scheduling receiving and executing the control strategy comprises: 8 . A plurality of the three-level scheduling respectively receive and execute the control strategy corresponding to the control area of each of the three-level scheduling. 8 . The photovoltaic peak regulation method according to claim 1 , wherein the first-level scheduling includes provincial-level scheduling, the second-level scheduling includes prefecture-level scheduling, and the third-level scheduling includes county-level scheduling, wherein, The photovoltaic peak shaving method further includes: Provincial-level dispatchers issue photovoltaic output control commands to multiple said prefecture-level dispatchers; A plurality of the ground-level dispatchers receive the corresponding photovoltaic output control instructions, and generate multiple control strategies according to the photovoltaic output control instructions; and A plurality of county-level dispatchers respectively receive and execute the corresponding control strategies. 9. A photovoltaic peak shaving device, comprising: The first-level module is used for the first-level dispatch to issue photovoltaic output control instructions; a secondary module, used for secondary scheduling to receive the photovoltaic output control instruction, and to generate a control strategy according to the photovoltaic output control instruction; and The third-level module is used for the third-level scheduling to receive and execute the control strategy. 10. A photovoltaic peak shaving system, comprising: A regulating device, the regulating device is used to manage photovoltaic output control within a province; a ground regulating device, the ground regulating device is connected in communication with the provincial regulating device, and the ground regulating device is used to manage the overall scheduling of photovoltaic output within a region; a county regulation device, the county regulation device is connected in communication with the ground regulation device, and the county regulation device is used to manage and control photovoltaic peak regulation within the county; and A controller, the controller is connected to the provincial regulation device, the ground regulation device and the county regulation device, and the controller is used to perform the photovoltaic peak regulation according to any one of the above claims 1-8 method.

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