CN114024321A - Power distribution network reactive voltage layered self-organizing control model and method - Google Patents
Power distribution network reactive voltage layered self-organizing control model and method Download PDFInfo
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- CN114024321A CN114024321A CN202111345392.1A CN202111345392A CN114024321A CN 114024321 A CN114024321 A CN 114024321A CN 202111345392 A CN202111345392 A CN 202111345392A CN 114024321 A CN114024321 A CN 114024321A
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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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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- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a power distribution network reactive voltage layered self-organizing control model and a method, wherein the power distribution network reactive voltage layered self-organizing control model comprises the following steps: the power distribution network intelligent contract management system comprises a power distribution network circuit data acquisition module, a verification module, a power distribution network intelligent contract, a power distribution line and a power distribution equipment regulation and control module. The method comprises the following steps: collecting voltage and current data of each distribution line of a medium and low voltage distribution network, binding a certificate of a distribution line collecting sensor with the voltage and current data, and sending the certificate and the voltage and current data to a verification module; verifying the authenticity of the received certificate through a verification node; the voltage and current data are packaged to generate block broadcasting and are stored in each power distribution regulation and control node, the data are analyzed and processed to output a voltage regulation value of reactive power balance, and a reactive voltage regulation instruction is sent; the data which passes the verification is packaged to generate a block and is sent to a power distribution regulation and control node in the power distribution line for storage; and receiving a reactive voltage regulation instruction sent by the power distribution regulation and control node, and executing the reactive voltage regulation instruction.
Description
Technical Field
The application relates to the technical field of reactive voltage control, in particular to the technical field of layered self-organized control of reactive voltage of a power distribution network.
Background
The reactive voltage problem of the medium and low voltage distribution network is very important for reducing line loss and improving power supply quality.
In order to improve the voltage qualification rate, on-load voltage regulation, reactive compensation and other modes are adopted to improve the voltage qualification rate at present, but the existing centralized control mode has the defects of poor self-organization control performance, strong dependence on a communication network, outstanding network safety problems and the like, so that the reactive voltage control effect of medium and low voltage power distribution is not ideal.
However, the appearance of the block chain technology with the characteristics of decentralization, high network safety and reliability and the like provides a new solution for the defects of a centralization control mode and the potential safety hazard of stored data. The block chain is a distributed database, a string of data blocks related by a cryptography method is used, each data block contains all data information in a period of time in the past, the validity of the information can be verified, and blocks are generated.
Disclosure of Invention
The application provides a power distribution network reactive voltage layered self-organizing control model and a method, which are used for solving the pressure of centralized reactive compensation, so that the flexibility of regulation and control equipment is improved, and the safety problem of power distribution network operation monitoring data is improved.
First aspect, this application provides a distribution network reactive voltage layering self-organizing control model, including distribution network circuit data acquisition module, verification module, distribution network intelligent contract, distribution lines, distribution equipment regulation and control module, wherein:
the distribution network circuit data acquisition module comprises a plurality of distribution line acquisition sensors and is used for acquiring voltage and current data of each distribution line of the medium and low voltage distribution network, binding certificates of the distribution line acquisition sensors with the voltage and current data and sending the certificates to the verification module;
the verification module comprises a plurality of verification nodes and is used for verifying the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data;
the power distribution network intelligent contract is used for packaging the voltage and current data to generate a block, broadcasting and storing the block to power distribution regulation and control nodes in each power distribution line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
the distribution line comprises a plurality of distribution regulation and control nodes and is used for storing blocks generated by packaging the voltage and current data verified by the distribution line acquisition sensors and sending reactive voltage regulation instructions;
the distribution equipment regulating and controlling module comprises a plurality of distribution line transformers and distribution line capacitors and is used for receiving the reactive voltage regulating instruction sent by the distribution regulating and controlling node and executing the reactive voltage regulating instruction.
In one implementation manner, the distribution line in the power distribution network circuit data acquisition module acquires a certificate of a sensor, and records the certificate in the verification module to obtain a recorded certificate, where the recorded certificate is stored in the verification node.
In one implementation, the verifying module verifies, by the verifying node, authenticity of the certificate of the distribution line acquisition sensor and integrity of the acquired voltage and current data, including:
carrying out secondary record on the certificate of the distribution line acquisition sensor;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein the comparison result is qualified if the comparison result is consistent, and the comparison result is not qualified if the comparison result is inconsistent.
In one implementation manner, the distribution network intelligent contract packages the voltage and current data to generate blocks, broadcasts the blocks to the power distribution regulation and control node closest to each distribution line, and synchronously sends the blocks generated by packaging the voltage and current data to other regulation and control nodes of the distribution lines.
In one implementation, the information collaboration between every two distribution lines is undertaken through the power distribution regulation and control node closest to the two distribution lines.
In one implementation manner, the power distribution regulation and control node stores the block generated by packaging the voltage and current data, and transmits the reactive voltage regulation instruction sent by the power distribution network intelligent contract to a power distribution line transformer or a power distribution line capacitor in the power distribution equipment regulation and control module for regulation and control.
In a second aspect, the present application provides a method for hierarchical and self-organizing reactive voltage control of a power distribution network, where the method is applied to any one of the models, and includes:
acquiring voltage and current data of each distribution line of a medium and low voltage distribution network by a distribution line acquisition sensor in a distribution network circuit data acquisition module, and binding a certificate of the distribution line acquisition sensor with the voltage and current data and sending the certificate to a verification module;
verifying the authenticity of the received certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data through a verification node in a verification module;
the voltage and current data are packaged to generate blocks by a power distribution network intelligent contract, and the blocks are broadcasted and stored to power distribution regulation and control nodes in each medium-low voltage power distribution branch line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
storing a block generated by packaging the voltage and current data passing the verification of the distribution line acquisition sensor through a distribution regulation node, and sending a reactive voltage regulation instruction;
and receiving a reactive voltage regulation instruction sent by the power distribution regulation and control node through a power distribution line transformer and a power distribution line capacitor in the power distribution equipment regulation and control module, and executing the reactive voltage regulation instruction.
In one implementation, the method for verifying the authenticity of the received certificate of the distribution line acquisition sensor through the verification node in the verification module includes:
carrying out secondary record on the received certificate of the distribution line acquisition sensor through a verification node in the verification module;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein if the comparison result is consistent, the verification is passed, and if the comparison result is inconsistent, the verification is not passed.
In one implementation, if the certificate of the distribution line acquisition sensor fails to check, the voltage and current data sent by the distribution line acquisition sensor are sent back to the distribution network circuit data acquisition module.
According to the power distribution network reactive voltage layered self-organized control model and method, the verification module is arranged in the power distribution network reactive voltage layered self-organized control system, so that a block chain technology is integrated in power distribution network reactive voltage control, the pressure of centralized reactive compensation is solved, the flexibility of regulation and control equipment is improved, and the safety and other problems of power distribution network operation monitoring data are improved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a layered self-organizing control model for reactive voltage of a power distribution network according to the present application;
fig. 2 is a flowchart of a power distribution network reactive voltage layered self-organizing control method provided by the present application.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to explicitly listing all of the elements, but may include all elements not explicitly listed, and may include other elements not explicitly listed or inherent to such product or device. The term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.
The application discloses distribution network reactive voltage layering self-organizing control model through set up the verification module in distribution network reactive voltage layering self-organizing control model for fuse block chain technique in distribution network reactive voltage control, solve centralized reactive compensation's pressure, promoted the flexibility ratio of regulation and control equipment, improved distribution network operation monitoring data's security.
Referring to fig. 1, a schematic structural diagram of a layered self-organizing control model for reactive voltage of a power distribution network according to the present application is shown. The application provides a pair of distribution network reactive voltage layering self-organizing control model, including distribution network circuit data acquisition module, verification module, distribution network intelligent contract, distribution lines, distribution equipment regulation and control module, wherein:
the distribution network circuit data acquisition module comprises a plurality of distribution line acquisition sensors and is used for acquiring voltage and current data of each distribution line of the medium and low voltage distribution network, binding certificates of the distribution line acquisition sensors with the voltage and current data and sending the certificates to the verification module;
the verification module comprises a plurality of verification nodes and is used for verifying the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data;
the power distribution network intelligent contract is used for packaging the voltage and current data to generate a block, broadcasting and storing the block to power distribution regulation and control nodes in each power distribution line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
the distribution line comprises a plurality of distribution regulation and control nodes and is used for storing blocks generated by packaging the voltage and current data verified by the distribution line acquisition sensors and sending reactive voltage regulation instructions;
the distribution equipment regulating and controlling module comprises a plurality of distribution line transformers and distribution line capacitors and is used for receiving the reactive voltage regulating instruction sent by the distribution regulating and controlling node and executing the reactive voltage regulating instruction.
Illustratively, the power distribution network circuit data acquisition module consists of voltage and current acquisition sensors of branches of a medium-low voltage power distribution network, acquires voltage and current data of each distribution line of the medium-low voltage power distribution network, and sends the data to the verification module; the verification module consists of a verification node cluster and verifies the authenticity of the certificate of the acquisition circuit data sensor; the intelligent contract of the power distribution network consists of preset programs, the acquired voltage and current data generation blocks are packaged, broadcasted and stored to the power distribution regulation and control nodes in the middle and low voltage distribution branch lines, the voltage and current data are analyzed and processed, the voltage regulation value of reactive power balance is output, and a reactive voltage regulation instruction is issued; the distribution line is formed by each distribution regulation and control node, the distribution regulation and control nodes are used as carriers for information transmission and storage with minimum granularity, and the distribution regulation and control branch lines are communicated through the distribution regulation and control nodes; the power distribution equipment regulating and controlling module consists of a transformer and a capacitor which are used for receiving regulating instructions, receiving the regulating instructions sent by the regulating and controlling nodes and executing the regulating instructions.
In some embodiments, the distribution line in the distribution network circuit data acquisition module acquires a certificate of a sensor, and records the certificate in the verification module to obtain a recorded certificate, and the recorded certificate is stored in the verification node.
Illustratively, the certificate of each sensor in the power distribution network circuit data acquisition module is recorded in the verification module, and the recorded certificate is stored in each verification node as a certificate of data storage. Furthermore, the information of the verification node sent by the distribution line acquisition sensor in the distribution network circuit data acquisition module to the verification module includes the distribution line acquisition sensor certificate and the acquired voltage and current information of the node.
In some embodiments, the verifying module verifies the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data through the verifying node, including:
carrying out secondary record on the certificate of the distribution line acquisition sensor;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein the comparison result is qualified if the comparison result is consistent, and the comparison result is not qualified if the comparison result is inconsistent.
Illustratively, the verification mode of the verification module is to record the certificate sent by the distribution line acquisition sensor again through a verification node, and compare the certificate with the recorded certificate stored in the verification node, and if the comparison result is consistent, the certificate is qualified, otherwise, the certificate is not qualified.
In some embodiments, the distribution network intelligent contract packages the voltage and current data to generate blocks, broadcasts the blocks to the distribution regulation node closest to each distribution line, and synchronously sends the blocks generated by packaging the voltage and current data to other regulation nodes of the distribution lines.
In some embodiments, the information collaboration between every two distribution lines is assumed through the nearest distribution regulation node in the two distribution lines.
In some embodiments, the distribution regulation and control node stores the block generated by packaging the voltage and current data, and transmits the reactive voltage regulation instruction sent by the distribution network intelligent contract to a distribution line transformer or a distribution line capacitor in the distribution equipment regulation and control module for regulation and control.
Further, the application also discloses a power distribution network reactive voltage layered self-organizing control method, which is applied to any one of the models, and the specific steps shown in fig. 2 include:
s1, collecting voltage and current data of each distribution line of the medium and low voltage distribution network through a distribution line collecting sensor in a distribution network circuit data collecting module, and binding a certificate of the distribution line collecting sensor with the voltage and current data to send to a verification module;
in some embodiments, the distribution line acquisition sensor in the distribution network circuit data acquisition module acquires voltage and current data of the distribution network circuit once every 15 minutes, binds a certificate of the distribution line acquisition sensor with information of the voltage and current data, and sends the certificate to the verification module.
S2, verifying the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data through a verification node in a verification module;
for example, the sent certificate and the certificate recorded by the distribution line sensor are verified based on a verification node in the verification module in a block chain network, and a block generated by packaging voltage and current data sent by the distribution line acquisition sensor and passing the verification is stored in the distribution regulation node, otherwise, the block is rejected.
S3, the voltage and current data are packaged to generate blocks by a power distribution network intelligent contract, and the blocks are broadcasted and stored to power distribution regulation nodes in each medium and low voltage power distribution branch line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
illustratively, the power distribution network intelligent contract analyzes and processes the voltage and current data stored in each power distribution regulation and control node, then outputs a reactive voltage parameter regulation value of each regulation and control node, and issues a regulation instruction to the power distribution line.
S4, storing blocks generated by packaging voltage and current data passing the verification of the distribution line acquisition sensor through a distribution regulation node, and sending a reactive voltage regulation instruction;
illustratively, a plurality of power distribution regulation and control nodes in the power distribution line store the voltage and current data verified by the power distribution line acquisition sensor.
And S5, receiving the reactive voltage regulation instruction sent by the power distribution regulation and control node through a power distribution line transformer and a power distribution line capacitor in the power distribution equipment regulation and control module, and executing the reactive voltage regulation instruction.
Illustratively, distribution regulation and control node in the distribution lines will be received reactive voltage adjusts the instruction and sends to adjacent distribution equipment regulation and control module, distribution equipment regulation and control module is according to receiving reactive voltage adjusts instruction information, adjusts the gear of distribution lines transformer and the electric capacity switching of distribution lines condenser satisfies distribution networks reactive voltage's regulation demand.
Illustratively, the verification node in the verification module compares the transmitted certificate of the distribution line sensor with the recorded certificate for verification, and a block generated by packaging the data passing the verification is stored in the distribution regulation and control node, otherwise, the block is rejected; analyzing and processing the voltage and current data stored in each power distribution regulation and control node through the power distribution network intelligent contract, outputting the voltage regulation and control parameter values of each power distribution regulation and control node, and issuing a regulation instruction; the power distribution regulation and control node sends a regulation instruction to the power distribution equipment regulation and control module closest to the power distribution equipment regulation and control node; the distribution equipment regulating and controlling module receives the regulating information, regulates the gear of the distribution line transformer and the capacitance switching of the distribution line capacitor according to the regulating information, and the whole distribution network regulating and controlling equipment regulates the reactive voltage according to the received information to balance the reactive power.
In some embodiments, verifying the authenticity of the received certificate of the distribution line acquisition sensor through a verification node in a verification module includes:
carrying out secondary record on the received certificate of the distribution line acquisition sensor through a verification node in the verification module;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein if the comparison result is consistent, the verification is passed, and if the comparison result is inconsistent, the verification is not passed.
In some embodiments, if the certificate of the distribution line acquisition sensor fails to check, the voltage and current data sent by the distribution line acquisition sensor are sent back to the distribution network circuit data acquisition module.
According to the technical scheme, the power distribution network reactive voltage layered self-organizing control method is based on the blockchain network, the blockchain technology is applied to the field of power distribution network reactive compensation, the problems of high pressure, poor compensation effect and power distribution network operation data safety of centralized reactive compensation are solved, reactive balance can be timely and dynamically carried out, the voltage qualification rate and the power distribution network operation data safety are improved, and the complaint rate of users is reduced.
Reference throughout this specification to "embodiments," "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, component, or characteristic described in connection with the embodiment is included in at least one embodiment, and thus, appearances of the phrases "in various embodiments," "in some embodiments," "in at least one other embodiment," or "in an embodiment," etc., throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, components, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, without limitation, a particular feature, component, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with a feature, component, or characteristic of one or more other embodiments. Such modifications and variations are intended to be included within the scope of the present application.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (9)
1. The utility model provides a distribution network reactive voltage layering self-organizing control model which characterized in that, includes distribution network circuit data acquisition module, verification module, distribution network intelligent contract, distribution lines, distribution equipment regulation and control module, wherein:
the distribution network circuit data acquisition module comprises a plurality of distribution line acquisition sensors and is used for acquiring voltage and current data of each distribution line of the medium and low voltage distribution network, binding certificates of the distribution line acquisition sensors with the voltage and current data and sending the certificates to the verification module;
the verification module comprises a plurality of verification nodes and is used for verifying the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data;
the power distribution network intelligent contract is used for packaging the voltage and current data to generate a block, broadcasting and storing the block to power distribution regulation and control nodes in each power distribution line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
the distribution line comprises a plurality of distribution regulation and control nodes and is used for storing blocks generated by packaging the voltage and current data verified by the distribution line acquisition sensors and sending reactive voltage regulation instructions;
the distribution equipment regulating and controlling module comprises a plurality of distribution line transformers and distribution line capacitors and is used for receiving the reactive voltage regulating instruction sent by the distribution regulating and controlling node and executing the reactive voltage regulating instruction.
2. The layered self-organizing control model for reactive voltage of power distribution network according to claim 1, wherein the distribution line in the distribution network circuit data collection module collects the certificate of the sensor, records in the verification module to obtain a recorded certificate, and the recorded certificate is stored in the verification node.
3. The layered self-organizing control model for reactive voltage of power distribution network according to claim 1, wherein the verification module verifies the authenticity of the certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data through the verification node, comprising:
carrying out secondary record on the certificate of the distribution line acquisition sensor;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein the comparison result is qualified if the comparison result is consistent, and the comparison result is not qualified if the comparison result is inconsistent.
4. The distribution network reactive voltage hierarchical self-organizing control model according to claim 1, wherein the distribution network intelligent contract packages the voltage and current data to generate blocks, broadcasts the blocks to the nearest distribution regulation node of each distribution line, and synchronously sends the blocks generated by packaging the voltage and current data to other regulation nodes of the distribution lines.
5. The layered self-organizing control model for reactive voltage of power distribution network according to claim 1, wherein the information coordination between every two distribution lines is assumed by the nearest distribution regulation node of the two distribution lines.
6. The distribution network reactive voltage hierarchical self-organizing control model according to claim 1, wherein the distribution regulation and control node stores a block generated by packaging the voltage and current data, and transmits a reactive voltage regulation instruction sent by the distribution network intelligent contract to a distribution line transformer or a distribution line capacitor in the distribution equipment regulation and control module for regulation and control.
7. A power distribution network reactive voltage layered self-organizing control method applied to the model of any one of claims 1-6, and characterized by comprising the following steps:
acquiring voltage and current data of each distribution line of a medium and low voltage distribution network by a distribution line acquisition sensor in a distribution network circuit data acquisition module, and binding a certificate of the distribution line acquisition sensor with the voltage and current data and sending the certificate to a verification module;
verifying the authenticity of the received certificate of the distribution line acquisition sensor and the integrity of the acquired voltage and current data through a verification node in a verification module;
the voltage and current data are packaged to generate blocks by a power distribution network intelligent contract, and the blocks are broadcasted and stored to power distribution regulation and control nodes in each medium-low voltage power distribution branch line; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
storing a block generated by packaging the voltage and current data passing the verification of the distribution line acquisition sensor through a distribution regulation node, and sending a reactive voltage regulation instruction;
and receiving a reactive voltage regulation instruction sent by the power distribution regulation and control node through a power distribution line transformer and a power distribution line capacitor in the power distribution equipment regulation and control module, and executing the reactive voltage regulation instruction.
8. The layered self-organizing control method for the reactive voltage of the power distribution network according to claim 7, wherein the step of verifying the authenticity of the certificate of the distribution line acquisition sensor through a verification node in a verification module, which is performed by the following steps:
carrying out secondary record on the received certificate of the distribution line acquisition sensor through a verification node in the verification module;
and comparing the secondary recorded certificate with the recorded certificate stored in the verification node, wherein if the comparison result is consistent, the verification is passed, and if the comparison result is inconsistent, the verification is not passed.
9. The layered self-organizing control method for reactive voltage of power distribution network according to claim 8, wherein if the certificate of the distribution line acquisition sensor fails to check, the voltage and current data sent by the distribution line acquisition sensor are sent back to the distribution network circuit data acquisition module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111345392.1A CN114024321B (en) | 2021-11-15 | 2021-11-15 | Reactive voltage layering self-organizing control model and method for power distribution network |
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| CN202111345392.1A CN114024321B (en) | 2021-11-15 | 2021-11-15 | Reactive voltage layering self-organizing control model and method for power distribution network |
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| CN114024321A true CN114024321A (en) | 2022-02-08 |
| CN114024321B CN114024321B (en) | 2023-11-10 |
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