CN114024321B - Reactive voltage layering self-organizing control model and method for power distribution network - Google Patents
Reactive voltage layering self-organizing control model and method for power distribution network Download PDFInfo
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- CN114024321B CN114024321B CN202111345392.1A CN202111345392A CN114024321B CN 114024321 B CN114024321 B CN 114024321B CN 202111345392 A CN202111345392 A CN 202111345392A CN 114024321 B CN114024321 B CN 114024321B
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- 238000012795 verification Methods 0.000 claims abstract description 83
- 238000004806 packaging method and process Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The application discloses a power distribution network reactive voltage layering self-organizing control model and a method, wherein the power distribution network reactive voltage layering self-organizing control model comprises the following steps: the 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 the low-voltage distribution network, and binding and transmitting certificates of the distribution line collecting sensors 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 stored in each power distribution regulation node, the data are analyzed and processed to output voltage regulation values of reactive power balance, and reactive voltage regulation instructions are sent; the data passing the verification is packed to generate a block and is sent to a distribution regulation node in a distribution line for storage; and receiving a reactive voltage regulation instruction sent by the power distribution regulation 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 reactive voltage layering self-organizing control of a power distribution network.
Background
The reactive voltage problem of the medium-low voltage distribution network is important for reducing line loss and improving power supply quality.
In order to improve the voltage qualification rate, the voltage qualification rate is improved by adopting on-load voltage regulation, reactive compensation and other modes at present, but the existing centralized control mode has the defects of poor self-organizing control performance, strong dependence on a communication network, prominent network safety problem and the like, so that the reactive voltage control effect of the medium-low voltage distribution is not ideal.
However, the appearance of the blockchain technology with the characteristics of decentralization, high network safety reliability and the like provides a new solution for the defect of a centralized control mode and potential safety hazard of stored data. The block chain is a distributed database, a series of data blocks related by a cryptography method are used, each data block contains all data information in a past period of time, the validity of the information can be verified, the blocks can be generated, and the problems of poor self-organizing controllability of the distribution network, particularly potential network safety hazards caused by a centralization mode can be effectively solved by applying the technology to reactive voltage control of the distribution network and utilizing the characteristics of the block chain technology.
Disclosure of Invention
The application provides a power distribution network reactive voltage layering self-organizing control model and a method, which aim to solve the pressure of centralized reactive compensation, thereby improving the flexibility of regulation and control equipment and improving the safety of operation monitoring data of a power distribution network.
In a first aspect, the application provides a power distribution network reactive voltage layering self-organizing control model, which 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, 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 low-voltage distribution network, and 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 authenticity of a certificate of the distribution line acquisition sensor and integrity of acquisition of the voltage and current data;
the intelligent contract of the power distribution network is used for packaging the voltage and current data to generate blocks, broadcasting and storing the blocks to power distribution regulation 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 nodes and is used for storing blocks generated by packaging the voltage and current data which are verified by the distribution line acquisition sensor and sending reactive voltage regulation instructions;
the distribution equipment regulation and control module comprises a plurality of distribution line transformers and distribution line capacitors and is used for receiving reactive voltage regulation instructions sent by the distribution regulation and control nodes and executing the reactive voltage regulation instructions.
In one implementation manner, the distribution line in the distribution network circuit data acquisition module acquires the certificate of the sensor, and the verification module performs recording to obtain a recording certificate, wherein the recording certificate is stored in the verification node.
In one implementation, the verifying module verifies, by the verifying node, authenticity of a certificate of the distribution line collection sensor and integrity of the collected 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 unqualified if the comparison result is inconsistent.
In one implementation, the intelligent contract of the power distribution network packages the voltage and current data to generate blocks, broadcasts the blocks to distribution regulation nodes 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 line.
In one implementation, the information coordination between every two distribution lines is carried out by the distribution regulation node closest to the two distribution lines.
In one implementation manner, the power distribution regulation and control node stores the blocks 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 distribution line transformer or a distribution line capacitor in the distribution equipment regulation and control module for regulation and control.
In a second aspect, the present application provides a method for hierarchical self-organizing reactive voltage control of a power distribution network, where the method is applied to the model described in any one of the above, and includes:
collecting voltage and current data of each distribution line of a medium-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 and sending the certificate to a verification module;
verifying authenticity of the received certificate of the distribution line acquisition sensor and integrity of the acquired voltage and current data through a verification node in a verification module;
the intelligent contract of the distribution network packs the voltage and current data to generate blocks, and broadcasts and stores the blocks to distribution regulation nodes in each medium-low voltage 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 voltage and current data which pass 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 distribution regulation node through a distribution line transformer and a distribution line capacitor in a distribution equipment regulation module, and executing the reactive voltage regulation instruction.
In one implementation, verifying, by a verification node in a verification module, authenticity of the received certificate of the distribution line collection sensor includes:
the received certificate of the distribution line acquisition sensor is subjected to secondary record through a verification node in the verification module;
and comparing the recorded certificate of the secondary recorded with the recorded certificate stored in the verification node, wherein the verification is passed if the comparison result is consistent, and the verification is failed if the comparison result is inconsistent.
In one implementation manner, if the certificate verification of the distribution line acquisition sensor fails, the voltage and current data sent by the distribution line acquisition sensor are rejected to the distribution network circuit data acquisition module.
According to the power distribution network reactive voltage layering self-organizing control model and method, the verification module is arranged in the power distribution network reactive voltage layering self-organizing control system, so that the blockchain technology is fused into 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 of power distribution network operation monitoring data is improved.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a power distribution network reactive voltage layering self-organizing control model provided by the application;
fig. 2 is a flow chart of a hierarchical self-organizing control method for reactive voltage of a power distribution network.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the application. Merely exemplary of systems and methods consistent with aspects of the application as set forth in the claims.
It should be noted that the brief description of the terminology in the present application is for the purpose of facilitating understanding of the embodiments described below only and is not intended to limit the embodiments of the present application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.
The terms "comprising" and "having" and any variations thereof in the present specification and claims and in the above-described drawings are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements that are expressly listed but may include all elements that are not expressly listed or inherent to such product or apparatus. The term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware or/and software code that is capable of performing the function associated with that element.
The application discloses a reactive voltage layering self-organizing control model of a power distribution network, wherein a verification module is arranged in the reactive voltage layering self-organizing control model of the power distribution network, so that a blockchain technology is fused into reactive voltage control of the power distribution network, the pressure of centralized reactive compensation is solved, the flexibility of regulation and control equipment is improved, and the safety of operation monitoring data of the power distribution network is improved.
Referring to fig. 1, a schematic structural diagram of a power distribution network reactive voltage layering self-organizing control model is provided. The application provides a reactive voltage layering self-organizing control model of a power distribution network, which 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, 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 low-voltage distribution network, and 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 authenticity of a certificate of the distribution line acquisition sensor and integrity of acquisition of the voltage and current data;
the intelligent contract of the power distribution network is used for packaging the voltage and current data to generate blocks, broadcasting and storing the blocks to power distribution regulation 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 nodes and is used for storing blocks generated by packaging the voltage and current data which are verified by the distribution line acquisition sensor and sending reactive voltage regulation instructions;
the distribution equipment regulation and control module comprises a plurality of distribution line transformers and distribution line capacitors and is used for receiving reactive voltage regulation instructions sent by the distribution regulation and control nodes and executing the reactive voltage regulation instructions.
The power distribution network circuit data acquisition module is composed of voltage and current acquisition sensors of a branch circuit of the medium-low voltage power distribution network, acquires voltage and current data of each power distribution line of the medium-low voltage power distribution network, and sends the voltage and current data to the verification module; the verification module consists of a verification node cluster and is used for verifying the authenticity of the certificate of the acquisition circuit data sensor; the intelligent contract of the power distribution network consists of a preset program, voltage and current data acquired by packaging are generated into blocks, the blocks are broadcasted and stored to power distribution regulation nodes in all middle and low voltage power distribution branch lines, the voltage and current data are analyzed and processed, voltage regulation values of reactive power balance are output, and reactive voltage regulation instructions are issued; the distribution line is formed by distribution regulation nodes, the distribution regulation nodes are used as carriers for information transmission and storage with minimum granularity, and the distribution regulation nodes are communicated with each other through the distribution regulation nodes; the power distribution equipment regulation and control module consists of a transformer and a capacitor, wherein the transformer is used for receiving the regulation instruction, receiving the regulation instruction sent by the regulation and control node and executing the regulation instruction.
In some embodiments, the distribution line in the distribution network circuit data acquisition module acquires a certificate of a sensor, and the verification module performs recording to obtain a recording certificate, wherein the recording certificate is stored in the verification node.
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 data storage certificate. Further, the distribution line collection sensor in the distribution network circuit data collection module sends verification node information to the verification module, wherein the verification node information comprises the distribution line collection sensor certificate and the collected voltage and current information of the node.
In some embodiments, the verifying module verifies, by the verifying node, authenticity of a certificate of the distribution line collection sensor and integrity of the collected 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 unqualified if the comparison result is inconsistent.
The verification mode of the verification module is that the verification node records the certificate sent by the distribution line acquisition sensor again, the certificate is compared with the recorded certificate stored in the verification node, the comparison result is consistent and qualified, and otherwise, the certificate is unqualified.
In some embodiments, the intelligent contract of the power distribution network packages the voltage and current data to generate blocks, broadcasts the blocks to distribution regulation nodes closest to each power distribution line, and synchronously sends the blocks generated by packaging the voltage and current data to other regulation nodes of the power distribution line.
In some embodiments, the information coordination between every two distribution lines is carried out by the distribution regulation node closest to the two distribution lines.
In some embodiments, the power distribution regulation and control node stores the blocks 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 distribution line transformer or a distribution line capacitor in the power distribution equipment regulation and control module for regulation and control.
The application further discloses a power distribution network reactive voltage layering self-organizing control method, which is applied to the model of any one of the above, and the specific steps shown in fig. 2 include:
s1, collecting voltage and current data of each distribution line of a medium-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 and sending the certificate to a verification module;
in some embodiments, the distribution line collection sensor in the distribution network circuit data collection module collects voltage and current data of the distribution network circuit once every 15 minutes, binds a certificate of the distribution line collection sensor with information of the voltage and current data, and sends the certificate and the information of the voltage and current data to the verification module.
S2, verifying authenticity of the received certificate of the distribution line acquisition sensor and integrity of the acquired voltage and current data through a verification node in a verification module;
the verification node in the verification module in the blockchain network is used for verifying the sent certificate and the certificate recorded by the distribution line sensor, and the block generated by packaging the voltage and current data sent by the distribution line acquisition sensor through verification is stored in the distribution regulation node, otherwise, the block is rejected.
S3, the intelligent contract of the power distribution network packs the voltage and current data to generate blocks, and the blocks are broadcasted and stored to power distribution regulation nodes in all medium-low voltage power distribution branch lines; automatically analyzing the voltage and current data of the distribution line and outputting a voltage regulation value of reactive power balance;
the intelligent contract of the power distribution network analyzes and processes the voltage and current data stored in each power distribution regulation node, then outputs reactive voltage parameter regulating values of each regulation node, and issues regulating instructions to the power distribution line.
S4, storing blocks generated by packaging voltage and current data passing verification of the distribution line acquisition sensor through a distribution regulation node, and sending reactive voltage regulation instructions;
illustratively, a plurality of distribution regulation nodes in the distribution line store voltage and current data which are verified by the distribution line acquisition sensor.
S5, receiving a reactive voltage regulation instruction sent by the distribution regulation node through a distribution line transformer and a distribution line capacitor in a distribution equipment regulation module, and executing the reactive voltage regulation instruction.
The power distribution regulation and control node in the power distribution line sends the received reactive voltage regulation instruction to an adjacent power distribution equipment regulation and control module, and the power distribution equipment regulation and control module regulates the gear of the power distribution line transformer and the capacitance switching of the power distribution line capacitor according to the received reactive voltage regulation instruction information, so that the regulation requirement of the reactive voltage of the power distribution network is met.
The verification node in the verification module compares and verifies the sent certificate of the distribution line sensor with the recorded certificate, and the block generated by packaging the verified data is stored in the distribution regulation node, otherwise, the distribution regulation node is refused; then, analyzing and processing the voltage and current data stored in each power distribution regulation node through the intelligent contract of the power distribution network, outputting the voltage regulation parameter value of each power distribution regulation node, and issuing a regulation command; the power distribution regulation node sends a regulation instruction to the power distribution equipment regulation module closest to the power distribution regulation node; the power distribution equipment regulation and control module receives the regulation information, regulates the gear of the power distribution line transformer and the capacitance switching of the power distribution line capacitor according to the regulation information, and the whole power distribution network regulation and control equipment regulates reactive voltage according to the received information to balance reactive power.
In some embodiments, verifying, by a verification node in a verification module, authenticity of the received certificate of the distribution line collection sensor includes:
the received certificate of the distribution line acquisition sensor is subjected to secondary record through a verification node in the verification module;
and comparing the recorded certificate of the secondary recorded with the recorded certificate stored in the verification node, wherein the verification is passed if the comparison result is consistent, and the verification is failed if the comparison result is inconsistent.
In some embodiments, if the distribution line acquisition sensor certificate fails to pass, the voltage and current data sent by the distribution line acquisition sensor is rejected to the distribution network circuit data acquisition module.
According to the technical scheme, the block chain technology is applied to the reactive compensation field of the power distribution network based on the block chain network, so that the problems of high pressure and poor compensation effect of centralized reactive compensation and safety of operation data of the power distribution network are solved, reactive balance can be timely and dynamically performed, the voltage qualification rate is improved, the safety of the operation data of the power distribution network is improved, and the complaint rate of users is reduced.
Reference throughout this specification to "an embodiment," "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 the phrases "in embodiments," "in some embodiments," "in at least another embodiment," or "in embodiments," etc., appearing throughout the specification do not necessarily all refer to the same embodiment. Furthermore, the particular features, components, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, component, or characteristic shown or described in connection with one embodiment may be combined, in whole or in part, with features, components, or characteristics of one or more other embodiments, without limitation. Such modifications and variations are intended to be included within the scope of the present application.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.
Claims (6)
1. The utility model provides a distribution network reactive voltage layering self-organizing control model which characterized in that, including distribution network circuit data acquisition module, verification module, distribution network intelligent contract, distribution line, 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 low-voltage distribution network, and 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 authenticity of a certificate of the distribution line acquisition sensor and integrity of acquisition of the voltage and current data;
the intelligent contract of the power distribution network is used for packaging the voltage and current data to generate blocks, broadcasting and storing the blocks to power distribution regulation 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 nodes and is used for storing blocks generated by packaging the voltage and current data which are verified by the distribution line acquisition sensor and sending reactive voltage regulation instructions;
the distribution equipment regulation and control module comprises a plurality of distribution line transformers and distribution line capacitors, and is used for receiving reactive voltage regulation instructions sent by the distribution regulation and control nodes and executing the reactive voltage regulation instructions;
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, and the verification module comprises the following steps:
carrying out secondary record on the certificate of the distribution line acquisition sensor;
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 unqualified if the comparison result is inconsistent;
the intelligent contract of the power distribution network packs the voltage and current data to generate blocks, broadcasts the blocks to power distribution regulation nodes closest to each power distribution line, and synchronously transmits the blocks generated by packing the voltage and current data to other regulation nodes of the power distribution lines;
and the information cooperation between every two distribution lines is born by the nearest distribution regulation node in the two distribution lines.
2. The power distribution network reactive voltage hierarchical self-organizing control model according to claim 1, wherein a distribution line in the power distribution network circuit data acquisition module acquires a certificate of a sensor, a record is made in the verification module, and a record certificate is obtained and stored in the verification node.
3. The power distribution network reactive voltage hierarchical self-organizing control model according to claim 1, wherein the power distribution regulation and control node stores blocks generated by packaging the voltage and current data, and transmits reactive voltage regulation instructions sent by the power distribution network intelligent contract to a distribution line transformer or a distribution line capacitor in the power distribution equipment regulation and control module for regulation and control.
4. A method for hierarchical self-organizing reactive voltage control of a power distribution network, applied to the model of any one of claims 1-3, comprising the steps of:
collecting voltage and current data of each distribution line of a medium-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 and sending the certificate to a verification module;
verifying authenticity of the received certificate of the distribution line acquisition sensor and integrity of the acquired voltage and current data through a verification node in a verification module;
the intelligent contract of the distribution network packs the voltage and current data to generate blocks, and broadcasts and stores the blocks to distribution regulation nodes in each medium-low voltage 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 voltage and current data which pass 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 distribution regulation node through a distribution line transformer and a distribution line capacitor in a distribution equipment regulation module, and executing the reactive voltage regulation instruction.
5. The method for hierarchical self-organizing reactive voltage control of a power distribution network according to claim 4, wherein verifying authenticity of the received certificate of the power distribution line collecting sensor through a verification node in a verification module comprises:
the received certificate of the distribution line acquisition sensor is subjected to secondary record through a verification node in the verification module;
and comparing the recorded certificate of the secondary recorded with the recorded certificate stored in the verification node, wherein the verification is passed if the comparison result is consistent, and the verification is failed if the comparison result is inconsistent.
6. The method for hierarchical self-organizing reactive voltage control of a power distribution network according to claim 5, wherein if the certificate verification of the power distribution line acquisition sensor is not passed, voltage and current data sent by the power distribution line acquisition sensor are rejected to the power distribution network circuit data acquisition module.
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Citations (8)
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