CN112467752A - Voltage regulating method and device for distributed energy distribution system - Google Patents
Voltage regulating method and device for distributed energy distribution system Download PDFInfo
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- CN112467752A CN112467752A CN202011351191.8A CN202011351191A CN112467752A CN 112467752 A CN112467752 A CN 112467752A CN 202011351191 A CN202011351191 A CN 202011351191A CN 112467752 A CN112467752 A CN 112467752A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The application provides a distributed energy power distribution system voltage regulation method and a device, wherein the distributed energy power distribution system voltage regulation method comprises the following steps: obtaining current active power injection and current reactive power injection on n nodes on a bus of a distributed energy distribution system; establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model; solving the optimization target to obtain corresponding optimal control parameters; and transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so as to control the inverters to perform reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted. The voltage regulating method and device for the distributed energy power distribution system can regulate the voltage of the distributed energy power distribution system, ensure the stability of the voltage, further reduce the damage to electric equipment, improve the power utilization efficiency, avoid the collapse of a power grid and the like.
Description
Technical Field
The application relates to the technical field of power distribution systems, in particular to a voltage regulating method and device for a distributed energy power distribution system.
Background
The distributed energy refers to an energy comprehensive utilization system distributed at a user side. At present, with the application and the increasing popularity of distributed energy, a power distribution system needs to undergo rapid changes in active power injection, and since the output of the distributed energy may rapidly change due to an indeterminate factor, the voltage on a bus may fluctuate due to the changes, and a large voltage fluctuation is usually not allowed, which may damage electric equipment, reduce electric efficiency, even cause a power grid to collapse, and the like.
Disclosure of Invention
An object of the embodiment of the application is to provide a voltage regulating method and device for a distributed energy power distribution system, which can regulate the voltage of the distributed energy power distribution system, ensure the stability of the voltage, further reduce the damage to electric equipment, improve the power utilization efficiency, and avoid the collapse of a power grid and the like.
In a first aspect, an embodiment of the present application provides a voltage regulating method for a distributed energy power distribution system, including:
obtaining current active power injection and current reactive power injection on n nodes on a bus of a distributed energy distribution system;
establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, wherein the preset power distribution system identification model is a preset neural network model;
solving the optimization target to obtain corresponding optimal control parameters;
and transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so as to control the inverters to perform reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted.
In the implementation process, according to the voltage regulating method for the distributed energy distribution system, a corresponding optimization target is established and obtained through the obtained current active power injection, the current reactive power injection and a preset distribution system identification model, and the optimization target is solved to obtain a corresponding optimal control parameter; the inverter that corresponds among transmission optimal control parameter to the distributed energy power distribution system can make the inverter carry out the control that reactive power pours into, and then can make distributed energy power distribution system's voltage obtain adjusting to the stability of guarantee voltage, thereby can reduce the harm to consumer, improve the power consumption efficiency, avoid causing the electric wire netting to collapse etc..
Further, the solving the optimization objective to obtain the corresponding optimal control parameter includes:
and iteratively solving the optimization target through a preset optimization algorithm to obtain the corresponding optimal control parameter.
In the implementation process, the method iteratively solves the optimization target through a preset optimization algorithm, and can quickly and accurately obtain the corresponding optimal control parameters.
Further, the transmitting the optimal control parameter to a corresponding inverter in the distributed energy power distribution system includes:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
In the implementation process, the method converts the optimal control parameters into corresponding control signals, and transmits the control signals to corresponding inverters in the distributed energy power distribution system, so that the corresponding inverters in the distributed energy power distribution system can conveniently perform reactive power injection control.
Further, the preset power distribution system identification model is obtained through the following steps:
obtaining historical voltage, historical active power injection and historical reactive power injection on n nodes on a bus of the distributed energy distribution system;
performing data processing on the historical voltage, the historical active power injection and the historical reactive power injection to obtain a model training data set, wherein the model training data set comprises model training voltage, model training active power and model training reactive power;
establishing a mapping relation between active power injection, reactive power injection and actual voltage deviation;
constructing a power distribution system identification model;
and training and testing the power distribution system identification model according to the mapping relation and the model training data set to obtain a preset power distribution system identification model.
In the implementation process, the preset power distribution system identification model can be obtained well by the method for obtaining the preset power distribution system identification model, so that the preset power distribution system identification model is more suitable for the distributed energy power distribution system voltage regulation method in the embodiment of the application, and the voltage stability can be better guaranteed.
Further, the performing data processing on the historical voltage, the historical active power injection and the historical reactive power injection to obtain a model training data set includes:
carrying out data cleaning, filtering and denoising on the historical voltage, the historical active power injection and the historical reactive power injection;
and correspondingly combining the processed historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set.
In the implementation process, a model training data set can be well obtained by a mode of carrying out data processing on historical voltage, historical active power injection and historical reactive power injection, so that the power distribution system identification model can be conveniently trained and tested.
In a second aspect, an embodiment of the present application provides a voltage regulating device for a distributed energy power distribution system, including:
the acquisition module is used for acquiring current active power injection and current reactive power injection on n nodes on a bus of the distributed energy distribution system;
the optimization target establishing module is used for establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, wherein the preset power distribution system identification model is a preset neural network model;
the solving module is used for solving the optimization target to obtain corresponding optimal control parameters;
and the transmission module is used for transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so as to control the inverters to perform reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted.
In the implementation process, the voltage regulating device of the distributed energy distribution system according to the embodiment of the application establishes and obtains a corresponding optimization target through the obtained current active power injection, the current reactive power injection and a preset distribution system identification model, and solves the optimization target to obtain a corresponding optimal control parameter; the inverter that corresponds among transmission optimal control parameter to the distributed energy power distribution system can make the inverter carry out the control that reactive power pours into, and then can make distributed energy power distribution system's voltage obtain adjusting to the stability of guarantee voltage, thereby can reduce the harm to consumer, improve the power consumption efficiency, avoid causing the electric wire netting to collapse etc..
Further, the solving module is specifically configured to:
and iteratively solving the optimization target through a preset optimization algorithm to obtain the corresponding optimal control parameter.
In the implementation process, the device iteratively solves the optimization target through a preset optimization algorithm, and can quickly and accurately obtain the corresponding optimal control parameters.
Further, the transmission module is specifically configured to:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
In the implementation process, the device converts the optimal control parameters into corresponding control signals, and transmits the control signals to corresponding inverters in the distributed energy power distribution system, so that the corresponding inverters in the distributed energy power distribution system can conveniently perform reactive power injection control.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is used to store a computer program, and the processor runs the computer program to make the electronic device execute the voltage regulating method for a distributed energy power distribution system described above.
In a fourth aspect, the present application provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the voltage regulating method for the distributed energy power distribution system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a voltage regulating method for a distributed energy distribution system according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of obtaining a preset power distribution system identification model according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a voltage regulating device of a distributed energy power distribution system according to a second embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
At present, with the application and the increasing popularity of distributed energy, a power distribution system needs to undergo rapid changes in active power injection, and since the output of the distributed energy may rapidly change due to an indeterminate factor, the voltage on a bus may fluctuate due to the changes, and a large voltage fluctuation is usually not allowed, which may damage electric equipment, reduce electric efficiency, even cause a power grid to collapse, and the like.
To solve the problems in the prior art, the application provides a voltage regulating method and device for a distributed energy power distribution system, which can regulate the voltage of the distributed energy power distribution system, ensure the stability of the voltage, further reduce the damage to electric equipment, improve the power utilization efficiency, avoid the collapse of a power grid and the like.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart of a voltage regulating method of a distributed energy power distribution system according to an embodiment of the present application. The voltage regulating method for the distributed energy distribution system in the embodiment of the application can be applied to the server.
The voltage regulating method of the distributed energy distribution system comprises the following steps:
step S110, obtaining current active power injection and current reactive power injection on n nodes on the bus of the distributed energy distribution system.
In this embodiment, the current active power injection, i.e. the current active power injection power value, and the current reactive power injection, i.e. the current reactive power injection power value.
The current active power injection is pAt present＝[p1,p2,…,pn]With the current reactive power injection being qAt present＝[q1,q2,…,qn]。
The current active power injection and the current reactive power injection on the n nodes on the bus of the distributed energy distribution system can be obtained through the intelligent electric meter.
And step S120, establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, wherein the preset power distribution system identification model is a preset neural network model.
In this embodiment, the preset power distribution system identification model is a preset neural network model, that is, a pre-trained neural network model. Optionally, the pre-trained neural network model adopts a 3-layer fully-connected neural network model.
The established optimization target is
Where p represents active power injection and q represents reactive power injection.
And step S130, solving the optimization target to obtain the corresponding optimal control parameter.
In this embodiment, the optimization objective may be solved through an optimization solving algorithm to obtain the corresponding optimal control parameter.
And step S140, transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so that the inverters can perform reactive power injection control, and the voltage of the distributed energy power distribution system can be adjusted.
In this embodiment, when transmitting the optimal control parameter to the corresponding inverter in the distributed energy power distribution system, the optimal control parameter may be transmitted to the electronic interface of the corresponding inverter in the distributed energy power distribution system.
According to the voltage regulating method of the distributed energy distribution system, a corresponding optimization target is established and obtained through the obtained current active power injection, the current reactive power injection and a preset distribution system identification model, and the optimization target is solved to obtain a corresponding optimal control parameter; the inverter that corresponds among transmission optimal control parameter to the distributed energy power distribution system can make the inverter carry out the control that reactive power pours into, and then can make distributed energy power distribution system's voltage obtain adjusting to the stability of guarantee voltage, thereby can reduce the harm to consumer, improve the power consumption efficiency, avoid causing the electric wire netting to collapse etc..
In order to obtain the corresponding optimal control parameters relatively quickly and accurately, the voltage regulating method for the distributed energy distribution system in the embodiment of the application can solve the optimization target to obtain the corresponding optimal control parameters through a preset optimization algorithm to iteratively solve the optimization target to obtain the corresponding optimal control parameters.
In the process, the method solves the optimization target iteratively through a preset optimization algorithm, and can quickly and accurately obtain the corresponding optimal control parameter.
In order to facilitate control of reactive power injection of a corresponding inverter in a distributed energy power distribution system, the voltage regulation method for the distributed energy power distribution system according to the embodiment of the application may be configured to, when transmitting an optimal control parameter to the corresponding inverter in the distributed energy power distribution system:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
In the process, the method converts the optimal control parameters into corresponding control signals, and transmits the control signals to corresponding inverters in the distributed energy power distribution system, so that the corresponding inverters in the distributed energy power distribution system can conveniently perform reactive power injection control.
Referring to fig. 2, fig. 2 is a schematic flowchart of obtaining a preset power distribution system identification model according to an embodiment of the present disclosure.
In this embodiment, the preset power distribution system identification model is obtained through the following steps:
step S210, obtaining historical voltages, historical active power injection and historical reactive power injection on n nodes on a bus of the distributed energy distribution system;
step S220, performing data processing on historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set, wherein the model training data set comprises model training voltage, model training active power and model training reactive power;
step S230, establishing a mapping relation between active power injection, reactive power injection and actual voltage deviation;
step S240, constructing a power distribution system identification model;
and step S250, training and testing the power distribution system identification model according to the mapping relation and the model training data set to obtain a preset power distribution system identification model.
The historical active power injection is a historical active power injection power value, and the historical reactive power injection is a historical reactive power injection power value.
History voltage of uHistory of＝[u1,u2,…,un]Historical active power injection of pHistory of＝[p1,p2,…,pn]Historical reactive power injection of qHistory of＝[q1,q2,…,qn]。
The model training data set is { P, Q, U }, where the model training voltages
Active power of model training
Reactive power for model training
The model training voltage, the model training active power and the model training reactive power are obtained by processing t-dimensional time sequence data of historical voltage, historical active power injection and historical reactive power injection.
The mapping relation of active power injection, reactive power injection and actual voltage deviation is f (p, q) → u-unWhere p denotes active power injection, q denotes reactive power injection, u is voltage, u denotesnAnd calibrating the voltage for the power distribution network.
The power distribution system identification model adopts a 3-layer fully-connected neural network model.
For the model training data set, 80% of the model training data may be used as training samples, and 20% of the model training data may be used as test samples.
When the power distribution system identification model is trained, a random gradient descent algorithm can be used for learning the mapping relation f (p, q) → u-u of active power injection, reactive power injection and actual voltage deviation based on training samplesn。
In the process, the preset power distribution system identification model can be obtained well by the method for obtaining the preset power distribution system identification model, so that the preset power distribution system identification model is more suitable for the distributed energy power distribution system voltage regulation method in the embodiment of the application, and the voltage stability can be better guaranteed.
Optionally, when performing data processing on the historical voltage, the historical active power injection, and the historical reactive power injection to obtain a model training data set, the following steps may be performed:
carrying out data cleaning, filtering and denoising on historical voltage, historical active power injection and historical reactive power injection;
and correspondingly combining the processed historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set.
In the process, the model training data set can be well obtained by the method for processing the historical voltage, the historical active power injection and the historical reactive power injection, so that the power distribution system identification model can be conveniently trained and tested.
Example two
In order to implement the method corresponding to the above embodiment to achieve the corresponding functions and technical effects, a voltage regulating device for a distributed energy distribution system is provided below.
Referring to fig. 3, fig. 3 is a block diagram of a voltage regulating device of a distributed energy power distribution system according to an embodiment of the present disclosure.
The distributed energy power distribution system voltage regulator of this application embodiment includes:
an obtaining module 310, configured to obtain current active power injection and current reactive power injection at n nodes on a bus of a distributed energy distribution system;
the optimization target establishing module 320 is configured to establish and obtain a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, where the preset power distribution system identification model is a preset neural network model;
the solving module 330 is configured to solve the optimization target to obtain corresponding optimal control parameters;
the transmission module 340 is configured to transmit the optimal control parameter to a corresponding inverter in the distributed energy power distribution system, so that the inverter performs control of reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted.
According to the voltage regulating device of the distributed energy distribution system, a corresponding optimization target is established and obtained through the obtained current active power injection, the current reactive power injection and a preset distribution system identification model, and the optimization target is solved to obtain a corresponding optimal control parameter; the inverter that corresponds among transmission optimal control parameter to the distributed energy power distribution system can make the inverter carry out the control that reactive power pours into, and then can make distributed energy power distribution system's voltage obtain adjusting to the stability of guarantee voltage, thereby can reduce the harm to consumer, improve the power consumption efficiency, avoid causing the electric wire netting to collapse etc..
As an optional implementation manner, the solving module 330 may specifically be configured to:
and iteratively solving the optimization target through a preset optimization algorithm to obtain the corresponding optimal control parameter.
As an optional implementation manner, the transmission module 340 may be specifically configured to:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
As an optional implementation manner, the obtaining module 310 may further be configured to obtain historical voltages, historical active power injections, and historical reactive power injections at n nodes on the bus of the distributed energy power distribution system;
the distributed energy power distribution system voltage regulating device of the embodiment of the application can also comprise:
the data processing module is used for carrying out data processing on historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set, and the model training data set comprises model training voltage, model training active power and model training reactive power;
the mapping relation establishing module is used for establishing the mapping relation between active power injection, reactive power injection and actual voltage deviation;
the building module is used for building a power distribution system identification model;
and the model training module is used for training and testing the power distribution system identification model according to the mapping relation and the model training data set to obtain a preset power distribution system identification model.
Optionally, the data processing module may be specifically configured to:
carrying out data cleaning, filtering and denoising on historical voltage, historical active power injection and historical reactive power injection;
and correspondingly combining the processed historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set.
The voltage regulating device of the distributed energy power distribution system can implement the voltage regulating method of the distributed energy power distribution system in the first embodiment. The alternatives in the first embodiment are also applicable to the present embodiment, and are not described in detail here.
The rest of the embodiments of the present application may refer to the contents of the first embodiment, and in this embodiment, details are not repeated.
EXAMPLE III
The embodiment of the application provides an electronic device, which comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor runs the computer program to enable the electronic device to execute the voltage regulating method of the distributed energy power distribution system.
Alternatively, the electronic device may be a server.
In addition, the embodiment of the present application further provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the method for regulating voltage of a distributed energy power distribution system is implemented.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A voltage regulating method of a distributed energy power distribution system is characterized by comprising the following steps:
obtaining current active power injection and current reactive power injection on n nodes on a bus of a distributed energy distribution system;
establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, wherein the preset power distribution system identification model is a preset neural network model;
solving the optimization target to obtain corresponding optimal control parameters;
and transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so as to control the inverters to perform reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted.
2. The voltage regulating method for the distributed energy distribution system according to claim 1, wherein the solving the optimization objective to obtain the corresponding optimal control parameter comprises:
and iteratively solving the optimization target through a preset optimization algorithm to obtain the corresponding optimal control parameter.
3. The method of regulating voltage in a distributed energy power distribution system according to claim 1, wherein said transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system comprises:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
4. The method of regulating voltage in a distributed energy power distribution system according to claim 1, wherein the predetermined power distribution system identification model is obtained by:
obtaining historical voltage, historical active power injection and historical reactive power injection on n nodes on a bus of the distributed energy distribution system;
performing data processing on the historical voltage, the historical active power injection and the historical reactive power injection to obtain a model training data set, wherein the model training data set comprises model training voltage, model training active power and model training reactive power;
establishing a mapping relation between active power injection, reactive power injection and actual voltage deviation;
constructing a power distribution system identification model;
and training and testing the power distribution system identification model according to the mapping relation and the model training data set to obtain a preset power distribution system identification model.
5. The voltage regulation method of a distributed energy power distribution system of claim 4, wherein the processing of the historical voltage, the historical active power injection, and the historical reactive power injection to obtain a model training data set comprises:
carrying out data cleaning, filtering and denoising on the historical voltage, the historical active power injection and the historical reactive power injection;
and correspondingly combining the processed historical voltage, historical active power injection and historical reactive power injection to obtain a model training data set.
6. The utility model provides a distributed energy power distribution system voltage regulator which characterized in that includes:
the acquisition module is used for acquiring current active power injection and current reactive power injection on n nodes on a bus of the distributed energy distribution system;
the optimization target establishing module is used for establishing and obtaining a corresponding optimization target according to the current active power injection, the current reactive power injection and a preset power distribution system identification model, wherein the preset power distribution system identification model is a preset neural network model;
the solving module is used for solving the optimization target to obtain corresponding optimal control parameters;
and the transmission module is used for transmitting the optimal control parameters to corresponding inverters in the distributed energy power distribution system so as to control the inverters to perform reactive power injection, so that the voltage of the distributed energy power distribution system is adjusted.
7. The voltage regulating device of the distributed energy power distribution system according to claim 6, wherein the solving module is specifically configured to:
and iteratively solving the optimization target through a preset optimization algorithm to obtain the corresponding optimal control parameter.
8. The voltage regulator apparatus of claim 6, wherein the transmission module is specifically configured to:
converting the optimal control parameters into corresponding control signals;
and transmitting the control signal to a corresponding inverter in the distributed energy power distribution system.
9. An electronic device comprising a memory for storing a computer program and a processor for executing the computer program to cause the electronic device to perform the method of regulating voltage of a distributed energy power distribution system according to any one of claims 1 to 5.
10. A computer-readable storage medium storing a computer program which, when executed by a processor, implements a distributed energy power distribution system voltage regulation method according to any one of claims 1 to 5.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117200241A (en) * | 2023-11-06 | 2023-12-08 | 南通威森新能源科技有限公司 | New forms of energy intelligent voltage regulation system that is incorporated into power networks |
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| CN109638883A (en) * | 2018-12-29 | 2019-04-16 | 国网陕西省电力公司 | Network voltage control method, device, computer equipment and storage medium |
| CN110365056A (en) * | 2019-08-14 | 2019-10-22 | 南方电网科学研究院有限责任公司 | A kind of distributed energy participation power distribution network pressure regulation optimization method based on DDPG |
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| CN105977997A (en) * | 2016-06-22 | 2016-09-28 | 成都欣维保科技有限责任公司 | Operating method for intelligent reactive compensation power distribution system |
| CN109638883A (en) * | 2018-12-29 | 2019-04-16 | 国网陕西省电力公司 | Network voltage control method, device, computer equipment and storage medium |
| CN110365056A (en) * | 2019-08-14 | 2019-10-22 | 南方电网科学研究院有限责任公司 | A kind of distributed energy participation power distribution network pressure regulation optimization method based on DDPG |
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| CN117200241A (en) * | 2023-11-06 | 2023-12-08 | 南通威森新能源科技有限公司 | New forms of energy intelligent voltage regulation system that is incorporated into power networks |
| CN117200241B (en) * | 2023-11-06 | 2024-03-05 | 南通威森新能源科技有限公司 | New forms of energy intelligent voltage regulation system that is incorporated into power networks |
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