CN108767987A - A kind of power distribution network and its micro-capacitance sensor protection and control system - Google Patents

A kind of power distribution network and its micro-capacitance sensor protection and control system Download PDF

Info

Publication number
CN108767987A
CN108767987A CN201810631529.1A CN201810631529A CN108767987A CN 108767987 A CN108767987 A CN 108767987A CN 201810631529 A CN201810631529 A CN 201810631529A CN 108767987 A CN108767987 A CN 108767987A
Authority
CN
China
Prior art keywords
micro
capacitance sensor
protection
control
control system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810631529.1A
Other languages
Chinese (zh)
Inventor
林恒伟
孙凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Original Assignee
Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University filed Critical Tsinghua University
Priority to CN201810631529.1A priority Critical patent/CN108767987A/en
Publication of CN108767987A publication Critical patent/CN108767987A/en
Priority to US17/254,244 priority patent/US11616390B2/en
Priority to PCT/CN2019/091951 priority patent/WO2019242657A1/en
Pending legal-status Critical Current

Links

Classifications

    • H02J13/0017
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A kind of power distribution network and its micro-capacitance sensor protection and control system, the power distribution network includes communication equipment, generating equipment, energy storage device, protective device, data acquisition equipment and micro-capacitance sensor protection and control system, the communication equipment, generating equipment, energy storage device, protective device and data acquisition equipment are protected by micro-capacitance sensor communication network with the micro-capacitance sensor to be connect with control system, the micro-capacitance sensor is protected passes through Distribution Network Communication network and power distribution network with control system, the protection control centre of power transmission network connects, it includes data acquisition and monitoring control device, it is connect with the primary and/or secondary device of the micro-capacitance sensor and carries out real time monitoring and data collection;Database acquires with the data connect with monitoring control device and computing device respectively;And function module, it is connect respectively with the primary and/or secondary device of the database and the micro-capacitance sensor, by establishing primary and/or secondary device optimal control of the corresponding mathematical model completion to the micro-capacitance sensor.

Description

A kind of power distribution network and its micro-capacitance sensor protection and control system
Technical field
The present invention relates to a kind of Power System Intelligent protection and control system, especially a kind of power distribution network and with the distribution The intelligent micro-grid protection of the compatible connection of net and control system.
Background technology
With intelligent grid, rise and fast-developing, the comprehensive intelligence to conventional electrical system of made in China 2025 Operation proposes increasingly higher demands.The integrated protection of power transmission network has had larger promotion with control system, completes power transmission network Information sharing and optimization run, be mainly reflected in the automated system of wide area protection and control, and intelligent fortune of tentatively marching toward Row.But power distribution network is increasingly automated and intelligent, since power distribution network range is very wide, equipment is numerous, distributed generation system is big Amount access, the cooperation of Protection control system and degree of integration are insufficient.Intelligent micro-grid largely occurs in power distribution network, can accelerate The automation of entire distribution system and intelligent level.
Therefore, there is an urgent need to from the safe and highly efficient operation of entire distribution system to realize intelligent micro-grid in power distribution network In protection and control coordination and optimization, and establish using big data technology the database of intelligent micro-grid oneself.To micro- electricity It nets each constituent functional units and establishes artificial intelligence model, realize self study and self-training ability, complete micro-capacitance sensor protection is with control The height intelligence of system is run.
Invention content
Propose the present invention in view of the above problems, in order to provide a kind of power distribution network to solve the above problems at least partly and The intelligent micro-grid of connection compatible with the power distribution network is protected and control system.
To achieve the goals above, the present invention provides a kind of protection of micro-capacitance sensor and control systems, wherein for micro- electricity The primary and/or secondary device of net is controlled, and is carried out with the transmission and distribution network of external power distribution network, power transmission network protection control centre Communication, receives United Dispatching control, and the micro-capacitance sensor protection includes with control system:
Data acquire with monitoring control device, pass through the primary and/or secondary of micro-capacitance sensor communication network and the micro-capacitance sensor Equipment connects, and real time monitoring and data collection are carried out for the primary and/or secondary device to the micro-capacitance sensor;
Database acquires with the data connect with monitoring control device and computing device respectively, the database purchase The data acquire the data with monitoring control device acquisition and provide calling access, and the computing device is for completing the number According to analysis calculate;And
Function module is connect with the primary and/or secondary device of the database and the micro-capacitance sensor respectively, for institute Primary and/or secondary device the operating status for stating micro-capacitance sensor is analyzed, estimated and is predicted, to obtain the complete of the micro-capacitance sensor Whole operation information, and by establishing primary and/or secondary device optimization of the corresponding mathematical model completion to the micro-capacitance sensor Control.
Above-mentioned micro-capacitance sensor protection and control system, wherein the function module includes:
Perceive predicting unit, connect with the database, according to the prediction model of foundation to the primary of the micro-capacitance sensor with/ Or secondary device operation conditions carries out perception prediction;
Crash analysis unit is connect with the computing device, according to the data of Accident analysis model and the computing device Analysis is calculated carries out crash analysis identification to the primary and/or secondary device of the micro-capacitance sensor;
State estimating unit is connect with the computing device, according to the data of state estimation model and the computing device Analysis is calculated carries out operating status estimation to the primary and/or secondary device of the micro-capacitance sensor;And
Optimal Decision-making control unit is interacted with the crash analysis unit and state estimating unit and is determined according to optimization Plan model generates primary and/or secondary device the protection to the micro-capacitance sensor and is instructed with control decision, passes through the micro-capacitance sensor The protection is sent to the primary and/or secondary device of the micro-capacitance sensor by communication network with control decision instruction, and by described Primary and/or secondary device the executing agency of micro-capacitance sensor completes to operate the operation of the protection and control decision instruction.
Above-mentioned micro-capacitance sensor protection and control system, wherein the perception predicting unit uses the portion in the database Divided data is trained artificial neural network to establish the prediction model, uses remaining partial data in the database The prediction model is tested, and the parameter in the prediction model is adjusted according to test result, by repeatedly training and Test determines the parameter of the prediction model after obtaining qualified precision, and is acquired according to the data using the prediction model The new operation data being collected into monitoring control device carries out the primary and/or secondary device operation conditions of the micro-capacitance sensor Perception prediction.
Above-mentioned micro-capacitance sensor protection and control system, wherein the Accident analysis model is established using decision tree, using most Small two multiply or artificial neural network establishes the state estimation model, and the search of Monte Carlo tree is used to be established with artificial neural network The Optimization Decision Models.
Above-mentioned micro-capacitance sensor protection and control system, wherein the database include historical collection data, real time data and Predictive simulation data.
Above-mentioned micro-capacitance sensor protection and control system, wherein stateful decision table is also stored in the database, for institute It states function module and accesses calling.
Above-mentioned micro-capacitance sensor protection and control system, wherein when passing through the state estimating unit and perception predicting unit After primary and/or secondary device the operation conditions for determining the micro-capacitance sensor, the Optimal Decision-making control unit accesses the shape State decision table determines that control strategy is protected in the quasi- optimization taken according to the state decision table and the operation conditions, and generates The corresponding protection is instructed with control decision.
Above-mentioned micro-capacitance sensor protection and control system, wherein the optimization protection control strategy includes tide optimization, network Switching and/or protective device the setting value update of topology adjustment, load and generating equipment.
Above-mentioned micro-capacitance sensor protection and control system, wherein the computing device includes computer, CPU or GPU.
In order to which above-mentioned purpose is better achieved, the present invention also provides a kind of power distribution networks, including communication equipment, power generation to set Standby, energy storage device, protective device and data acquisition equipment, wherein further include such as above-mentioned micro-capacitance sensor protection and control system, institute State communication equipment, generating equipment, energy storage device, protective device and data acquisition equipment by micro-capacitance sensor communication network with it is described Micro-capacitance sensor protection connect with control system, micro-capacitance sensor protection and control system by Distribution Network Communication network and power distribution network, The transmission and distribution network protection control centre connection of power transmission network.
Above-mentioned power distribution network, wherein the micro-capacitance sensor protection is compatible by the signal conversion of communication gate with control system IEC61850 communication protocols, the micro-capacitance sensor protect the Content of Communication with control system in a manner of GOOSE and the distribution Netcom Communication network carries out PERCOM peripheral communication.
Beneficial effects of the present invention:
The intelligent micro-grid of the present invention is in power distribution network, and it is miniature electrical to be suitable for wired home and Building Power Distribution system etc. System.By establishing intelligent micro-grid protection and control system comprehensive integration in a power distribution system, solves existing micro-capacitance sensor and lack It is weary with bulk power grid the problem of contacting and cooperate with optimization to run, and further introduce database to intelligent micro-grid and its power distribution network Core layer, utilization of the strengthened artificial model of mind in each function module simultaneously finally realize the intelligence of micro-capacitance sensor in a power distribution system Energyization is run, such as artificial neural network, support vector machines, Markov Chain model application.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
The embodiment of the present invention is described in more detail in conjunction with the accompanying drawings, the above and other purposes of the present invention, Feature and advantage will be apparent.Attached drawing is used for providing further understanding the embodiment of the present invention, and constitutes explanation A part for book is not construed as limiting the invention for explaining the present invention together with the embodiment of the present invention.In the accompanying drawings, Identical reference label typically represents same parts or step.
Fig. 1 is the power distribution network schematic diagram of one embodiment of the invention;
Fig. 2 is the micro-capacitance sensor protection and control system schematic diagram of one embodiment of the invention;
Fig. 3 is that the micro-capacitance sensor protective device of one embodiment of the invention configures connection diagram;
Fig. 4 is the micro-capacitance sensor artificial intelligence model application schematic diagram of one embodiment of the invention.
Wherein, reference numeral
1 transmission and distribution network protects control centre
2 communication equipments
3 generating equipments
4 energy storage devices
5 protective devices
6 data acquisition equipments
7 micro-capacitance sensors are protected and control system
8 micro-capacitance sensor communication networks
9 Distribution Network Communication networks
10 communication gates
11 data acquire and monitoring control device (SCADA)
12 databases
13 CPU
14 perception predicting units
15 crash analysis units
16 state estimating units
17 Optimal Decision-making control units
18 substations
19 acquisition control equipment
20 compensation equipment
Specific implementation mode
In order to enable the object, technical solutions and advantages of the present invention become apparent, root is described in detail below with reference to accompanying drawings According to example embodiments of the present invention.Obviously, described embodiment is only a part of the embodiment of the present invention, rather than this hair Bright whole embodiments, it should be appreciated that the present invention is not limited by example embodiment described herein.Based on described in the present invention The embodiment of the present invention, those skilled in the art's obtained all other embodiment in the case where not making the creative labor It should all fall under the scope of the present invention.
It is the power distribution network schematic diagram of one embodiment of the invention referring to Fig. 1, Fig. 1.The power distribution network of the present invention, including communication equipment 2, generating equipment 3, energy storage device 4, protective device 5, real-time on-site data gathering equipment 6 and other equipment (such as reactive-load compensation Equipment) etc., further include micro-capacitance sensor protection and control system 7, arbitrary electrical equipment includes the communication equipment 2, generating equipment 3, energy storage device 4, protective device 5, data acquisition equipment 6 and other equipment (such as compensating equipment 20), communication gate 10 are logical Micro-capacitance sensor communication network 8 is crossed to connect with micro-capacitance sensor protection with control system 7;The micro-capacitance sensor protection and control system 7 are logical Communication gate 10 is crossed to be connected to Distribution Network Communication network 9;Pass through the power transmission and distribution of Distribution Network Communication network 9 and power distribution network, power transmission network Net protection control centre 1 connects, and carries out real-time information interaction, and carry out related protection and control action, micro-capacitance sensor communication network 8 With Distribution Network Communication network 9 including but not limited to fiber optic communication, wireless communication etc..Communication gate 10 can be to micro-capacitance sensor and power distribution network Between information pattern voluntarily convert, can be achieved by the prior art, complete the conversion of rule of communication between heterogeneous networks, compatible distribution The telecommunications metrics such as IEC61850, GOOSE in net.
The micro-capacitance sensor protection protects control strategy to entire intelligent micro-grid with control system 7 by set optimization Operation is controlled, and the optimization protection control strategy includes such as tide optimization, network topology adjustment, load and generating equipment 3 Switching, protection equipment setting value update etc. functions optimization.
In the present embodiment, the micro-capacitance sensor protection is protected with 7 Distribution Network Communication network 9 of control system and the transmission and distribution network on upper layer Protect control centre 1 to be connected to, 61850 communication protocol of compatible to IEC converted by the signal of communication gate 10, the micro-capacitance sensor protection with The Content of Communication of control system 7 carries out PERCOM peripheral communication in a manner of GOOSE with the Distribution Network Communication network 9.In set protection Micro-capacitance sensor protection assists the operation of entire intelligent micro-grid and external distribution network system with control system 7 under control strategy Regulation and control system.Substation 18 in external distribution network system protects control centre 1 to interact by communication gate 10 with transmission and distribution network, adopts Collect analog quantity, digital quantity and protection act amount that control device 19 acquires etc. and passes through transmission distribution network protection control in substation 18 Center 1 processed, and protection and control of the completion to entire external distribution network system under the control that transmission and distribution network protects control centre 1 System.
The intelligent micro-grid of the present invention is protected below in conjunction with the accompanying drawings and is further elaborated with control system 7:
Referring to the micro-capacitance sensor protection and control system schematic diagram that Fig. 2, Fig. 2 are one embodiment of the invention.The present invention is using system The protection of the principle configuration intelligent micro-grid of one scheduling multi-zone supervision and control system.The micro-capacitance sensor protect with control system 7 with Based on database 12, controlled for the primary and/or secondary device to micro-capacitance sensor, and with external power distribution network, power transmission network Transmission and distribution network protection control centre 1 communicated, receive the United Dispatching control of network system, micro-capacitance sensor protection and control System 7 processed includes:Data acquire and monitor control device (SCADA) 11, pass through micro-capacitance sensor communication network 8 and the micro-capacitance sensor The connection of primary and/or secondary device, the real-time prison for carrying out field device to the primary and/or secondary device of the micro-capacitance sensor Control and data collection;Database 12 acquires with the data and monitors control device 11 and computing device, such as calculates respectively Machine, CPU13 or GPU connections, database 12 and computer are in the core layer of system, and the database 12 stores the data and adopts Collect the various data acquired with monitoring control device 11 and other functional units are provided and call access, the CPU13 or GPU are to be The calculating core of system, the analysis for completing the data calculate;And function module, respectively with the database 12 and described The primary and/or secondary device of micro-capacitance sensor connects, for each in the systems such as the primary and/or secondary device of the micro-capacitance sensor The operating status of kind of electrical equipment such as is analyzed, estimated and is predicted at the task functions, complete in the micro-grid system to obtain Whole operation information, and by establishing primary and/or secondary device optimization of the corresponding mathematical model completion to the micro-capacitance sensor Management control.By live secondary device by progress such as digital quantity, analog quantity and/or protection act amounts in its acquisition range It collects, micro-capacitance sensor protection and control is uploaded to monitoring control device 11 (SCADA) by the data acquisition inside intelligent micro-grid System 7 processed completes the reality to generating equipment 3, energy storage device 4, protective device 5, data acquisition equipment 6 and other relevant devices When liaison.It can be automatically performed crash analysis under the real-time data capture of SCADA11, state estimation, perceive prediction, is auxiliary The functions such as decision are helped, analysis result is interacted with Optimal Decision-making control unit 17 and the intelligence completed protection and controlled is determined Plan is sent to each primary and/or secondary device of micro-capacitance sensor by micro-capacitance sensor communication network 8, is finally completed by executing agency The operation requirement of system operation.
Wherein, the function module can further comprise:
Predicting unit 14 is perceived, is connect with the database 12, according to the prediction model of foundation to the one of the micro-capacitance sensor Secondary and/or secondary device carries out perception prediction;Crash analysis unit 15 is connect with the CPU13, according to Accident analysis model and The data analysis of the CPU13 is calculated carries out crash analysis to the primary and/or secondary device of the micro-capacitance sensor;State estimation Unit 16 is connect with the CPU13, is calculated to the micro-capacitance sensor according to the data analysis of state estimation model and the CPU13 Primary and/or secondary device carry out operating status estimation;And Optimal Decision-making control unit 17, with the crash analysis unit 15 and state estimating unit 16 interact and according to Optimization Decision Models generation the primary and/or secondary of the micro-capacitance sensor is set Standby protection is instructed with control decision, is sent to the protection and control decision instruction by the micro-capacitance sensor communication network 8 The primary and/or secondary device of the micro-capacitance sensor, and completed by primary and/or secondary device the executing agency of the micro-capacitance sensor The operation of the protection and control decision instruction is operated.
Wherein, it is preferable to use decision tree establishes the Accident analysis model, built using least square or artificial neural network The state estimation model is found, the Optimization Decision Models are established using the search of Monte Carlo tree and artificial neural network.For example, By taking the foundation of prediction model as an example, the perception predicting unit 14 is using the partial data in the database 12 to artificial neuron Network is trained to establish the prediction model, using remaining partial data in the database 12 to the prediction model It is tested, and the parameter in the prediction model is adjusted according to test result, qualification is obtained by repeatedly training and test The parameter of the prediction model is determined after precision, and is acquired according to the data using the prediction model and monitored control device The 11 new operation datas being collected into carry out perception prediction to the primary and/or secondary device of the micro-capacitance sensor.
Wherein, it in order to complete the intelligent operation of micro-capacitance sensor, needs to establish completely with control system 7 in micro-capacitance sensor protection Database 12 provides data supporting and priori for system intelligent operation.The database 12 include historical collection data, Real time data and predictive simulation data.The database 12 can be interacted directly with the CPU13 of computer, in micro-capacitance sensor SCADA11 carries out Data Analysis Services and storage is called.Database 12 is by the data collecting system of SCADA11 to each dress It sets or the operating parameter of equipment is collected and stores, such as the new energy such as photovoltaic or wind-force in the generated energy of generator, system The power consumption etc. of generated energy, the on off state of protective device 5, load.Since there may be numbers from the collected data of equipment It situations such as according to damage, noise pollution, needs to analyze data and handled, the data of Recover from damaging and the shadow for filtering out noise It rings, accurate data is provided for the use of following data, as obtained system according to the data progress state estimation being collected into Operating status, it is to further use analysis etc. from now on to store into the data of processing are crossed.
Stateful decision table is also stored in the database 12, referring to the following table 1, is called so that the function module accesses. When primary and/or secondary device the fortune for determining the micro-capacitance sensor by the state estimating unit 16 and perception predicting unit 14 After row situation, the Optimal Decision-making control unit 17 accesses the state decision table, according to the state decision table and the fortune Row situation determines the quasi- optimization protection control strategy taken, and generates the corresponding protection and instructed with control decision.
Table 1
Situation Case 1 Case 2 …… Case n
Optimal Control Strategy Strategy 1 Strategy 2 …… Tactful n
The present invention is in view of the scale and configuration variance between micro-capacitance sensor and power distribution network, by the main number for using SCADA11 According to collection and communication function, other functions establish independent and interaction function module in micro-capacitance sensor protection and control system 7.Its Middle crash analysis, state estimation, perception prediction, aid decision, which are all established, the corresponding function of corresponding mathematical model completion, such as Decision tree can be used and carry out crash analysis, estimated using least square or ANN completion statuses and perception is predicted, use Monte Carlo Tree search (MCTS) joint artificial neural network or other Optimized models complete auxiliary Optimal Decision-making.It protects and controls in micro-capacitance sensor The CPU13 of system 7 to that under the voluntarily calculating of program flow, can execute each function automatically.
Connection diagram is configured referring to the micro-capacitance sensor protective device that Fig. 3, Fig. 3 are one embodiment of the invention.In micro-capacitance sensor Between system layer and micro-capacitance sensor protection execution level and between each equipment of micro-capacitance sensor protection execution level, it is both provided with multiple Protective device 5.It is both provided with protective device 5 between the level-one of micro-capacitance sensor, secondary equipment and micro-capacitance sensor communication network.Correspondence is as follows Shown in table 2, the on off state of protective device 5 is also recorded in data table related, indicates to be closed with state 1 in the present invention, state 0 It indicates to disconnect.
Table 2
Protective device 1 Protective device 2 Protective device 3 …… Protective device n
State 0 1 1 …… n
It is the micro-capacitance sensor artificial intelligence model application schematic diagram of one embodiment of the invention referring to Fig. 4, Fig. 4.Artificial intelligence is Theory, a special kind of skill science of method, technology and application system of the intelligence of research, exploitation for simulating, extending and extending people. Artificial intelligence model is mathematical model used in the subject.According to the correlation theory and method of machine learning in artificial intelligence, Artificial intelligence model is trained under the support of big data, is tested, in determination and the tune for completing artificial intelligence model parameter After examination, new system operation data can be learnt and trained automatically under program, the performance and parameter of model are continuously improved. The present invention carries out modeling, train and testing for artificial intelligence model by establishing database 12 to each function of system, believes system Breath predict and aid decision, and to protective device 5, idle and harmonic wave compensation equipment 20, energy storage device 4 and power generation The operating mode and setting value of equipment 3 carry out intelligent adjustment.Its micro-capacitance sensor is protected can be with each constituent functional units with control system 7 Carry out real-time, interactive, by database 12 mass data and CPU13 calculate to crash analysis unit 15, state estimation list Corresponding each artificial intelligence mathematical model carries out self study in member 16, perception predicting unit 14, Optimal Decision-making control unit 17 And self-training, simulating the intelligence of people keeps the operation height of micro-capacitance sensor intelligent.This relates generally to the engineering in computer science Practise correlation theory and method.For example, artificial neural network (ANN or DNN), which can be used, uses the part being collected into database 12 Data are trained ANN (or DNN), realize the perception forecast function of system, use remaining partial data in database 12 ANN (or DNN) is tested, and according to test result adjust ANN (or DNN) model in parameter, by repeatedly training and The parameter of model can be determined by testing after obtaining qualified precision, and the new operation being collected into according to system using ANN model Data carry out perception prediction.Due to needing the function of realizing and complete to be not quite similar in actual micro-capacitance sensor and power distribution network, this hair To the training, test and use of artificial neural network ANN (or DNN) in the bright machine learning for being not limited solely to be previously mentioned, can also adopt It realizes that each artificial intelligence mathematical model carries out the function of self study and self-training with the method for other prior arts, this is not done Limitation.
The present invention, which relies in micro-capacitance sensor, establishes complete database 12, to the historical data of micro-grid system, in real time number It is collected, handles and analyzes according to, predictive simulation data.And directly interact database 12 with the CPU13 of computer, to micro- electricity The functional units such as SCADA11, crash analysis, state estimation, perception prediction, aid decision in net carry out building for corresponding model Vertical, training and test.It, can online or offline optimization system by a large amount of mathematical computations of computer and the continuous expansion of database 12 The runnability of system and the precision for improving model of mind, the final intelligent operation for realizing micro-capacitance sensor in distribution network system.It is logical It crosses and establishes micro-capacitance sensor protection and the comprehensive integration in a power distribution system of control system 7, solve existing micro-capacitance sensor shortage and bulk power grid Contact and collaboration optimization operation the problem of, and further introduce database 12 arrive intelligent micro-grid core layer, strengthened artificial Utilization and finally realization micro-capacitance sensor intelligent operation in a power distribution system of the model of mind in each function module, it is such as artificial refreshing Model application through network, support vector machines, Markov Chain etc..It is real from the safe and highly efficient operation of entire distribution system The coordination and optimization of protection and control of the existing intelligent micro-grid in power distribution network, and establish intelligent micro-grid using big data technology The database 12 of oneself.Artificial intelligence model is established to each constituent functional units of micro-capacitance sensor, realizes self study and self-training ability, it is complete It is run at micro-capacitance sensor protection and the height intelligence of control system 7.
Although describing example embodiment by reference to attached drawing here, it should be understood that the above example embodiment is merely exemplary , and be not intended to limit the scope of the invention to this.Those of ordinary skill in the art can carry out various changes wherein And modification, it is made without departing from the scope of the present invention and spiritual.All such changes and modifications are intended to be included in appended claims Within required the scope of the present invention.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the unit, only Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can be tied Another equipment is closed or is desirably integrated into, or some features can be ignored or not executed.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention Example can be put into practice without these specific details.In some instances, well known method, structure is not been shown in detail And technology, so as not to obscure the understanding of this description.
Similarly, it should be understood that in order to simplify the present invention and help to understand one or more of each inventive aspect, To in the description of exemplary embodiment of the present invention, each feature of the invention be grouped together into sometimes single embodiment, figure, Or in descriptions thereof.However, the method for the present invention should be construed to reflect following intention:It is i.e. claimed The present invention claims the more features of feature than being expressly recited in each claim.More precisely, such as corresponding power As sharp claim reflects, inventive point is that the spy of all features less than some disclosed single embodiment can be used It levies to solve corresponding technical problem.Therefore, it then follows thus claims of specific implementation mode are expressly incorporated in this specific Embodiment, wherein each claim itself is as a separate embodiment of the present invention.
It will be understood to those skilled in the art that other than mutually exclusive between feature, any combinations pair may be used All features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed any method Or all processes or unit of equipment are combined.Unless expressly stated otherwise, this specification (including want by adjoint right Ask, make a summary and attached drawing) disclosed in each feature can be replaced by providing the alternative features of identical, equivalent or similar purpose.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments means in of the invention Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of arbitrary It mode can use in any combination.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference mark between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real It is existing.In the unit claims listing several devices, several in these devices can be by the same hardware branch To embody.
The above description is merely a specific embodiment or to the explanation of specific implementation mode, protection of the invention Range is not limited thereto, and any one skilled in the art in the technical scope disclosed by the present invention, can be easily Expect change or replacement, should be covered by the protection scope of the present invention.Protection scope of the present invention should be with claim Subject to protection domain.

Claims (11)

1. a kind of micro-capacitance sensor protection and control system, which is characterized in that carried out for the primary and/or secondary device to micro-capacitance sensor Control, and communicated with the transmission and distribution network of external power distribution network, power transmission network protection control centre, receive United Dispatching control, institute State micro-capacitance sensor protection includes with control system:
Data acquire and monitor control device, pass through the primary and/or secondary device of micro-capacitance sensor communication network and the micro-capacitance sensor Connection carries out real time monitoring and data collection for the primary and/or secondary device to the micro-capacitance sensor;
Database acquires with the data connect with monitoring control device and computing device respectively, described in the database purchase Data acquire the data with monitoring control device acquisition and provide calling and access, and the computing device is for completing the data Analysis calculates;And
Function module is connect with the primary and/or secondary device of the database and the micro-capacitance sensor respectively, for described micro- Primary and/or secondary device the operating status of power grid is analyzed, estimated and is predicted, to obtain the complete fortune of the micro-capacitance sensor Row information, and by establishing primary and/or secondary device optimal control of the corresponding mathematical model completion to the micro-capacitance sensor.
2. micro-capacitance sensor as described in claim 1 protection and control system, which is characterized in that the function module includes:
Predicting unit is perceived, is connect with the database, according to the prediction model of foundation to the micro-capacitance sensor primary and/or two Secondary device operation conditions carries out perception prediction;
Crash analysis unit is connect with the computing device, according to the data analysis of Accident analysis model and the computing device It calculates and crash analysis identification is carried out to the primary and/or secondary device of the micro-capacitance sensor;
State estimating unit is connect with the computing device, according to the data analysis of state estimation model and the computing device It calculates and operating status estimation is carried out to the primary and/or secondary device of the micro-capacitance sensor;And
Optimal Decision-making control unit is interacted with the crash analysis unit and state estimating unit and according to Optimal Decision-making mould Type generates primary and/or secondary device the protection to the micro-capacitance sensor and is instructed with control decision, is communicated by the micro-capacitance sensor The protection is sent to the primary and/or secondary device of the micro-capacitance sensor by network with control decision instruction, and by micro- electricity Primary and/or secondary device the executing agency of net completes to operate the operation of the protection and control decision instruction.
3. micro-capacitance sensor protection as claimed in claim 2 and control system, which is characterized in that the perception predicting unit uses institute It states the partial data in database to be trained artificial neural network to establish the prediction model, using in the database Remaining partial data tests the prediction model, and adjusts the parameter in the prediction model according to test result, The parameter of the prediction model is determined after obtaining qualified precision by repeatedly training and test, and uses the prediction model root The new operation data being collected into monitoring control device according to data acquisition sets the primary and/or secondary of the micro-capacitance sensor Standby operation conditions carries out perception prediction.
4. micro-capacitance sensor protection as claimed in claim 3 and control system, which is characterized in that establish the accident using decision tree Analysis model establishes the state estimation model using least square or artificial neural network, using Monte Carlo tree search with Artificial neural network establishes the Optimization Decision Models.
5. the micro-capacitance sensor protection as described in claim 2,3 or 4 and control system, which is characterized in that the database includes going through History collects data, real time data and predictive simulation data.
6. micro-capacitance sensor protection as claimed in claim 5 and control system, which is characterized in that be also stored with shape in the database State decision table calls so that the function module accesses.
7. micro-capacitance sensor as claimed in claim 6 protection and control system, which is characterized in that when passing through the state estimating unit After primary and/or secondary device the operation conditions for determining the micro-capacitance sensor with perception predicting unit, the Optimal Decision-making control State decision table described in unit access determines that control is protected in the quasi- optimization taken according to the state decision table and the operation conditions System strategy, and generate the corresponding protection and instructed with control decision.
8. micro-capacitance sensor protection as claimed in claim 7 and control system, which is characterized in that control strategy packet is protected in the optimization Include switching and/or protective device the setting value update of tide optimization, network topology adjustment, load and generating equipment.
9. the micro-capacitance sensor protection as described in any one of claim 1-8 and control system, which is characterized in that the calculating dress It sets including computer, CPU or GPU.
10. a kind of power distribution network, including communication equipment, generating equipment, energy storage device, protective device and data acquisition equipment, special Sign is, further includes that micro-capacitance sensor protection and control system, the communication as described in any one of the claims 1-9 is set Standby, generating equipment, energy storage device, protective device and data acquisition equipment are protected by micro-capacitance sensor communication network and the micro-capacitance sensor Shield connect with control system, and micro-capacitance sensor protection and control system pass through Distribution Network Communication network and power distribution network, power transmission network Transmission and distribution network protects control centre's connection.
11. power distribution network as claimed in claim 10, which is characterized in that the micro-capacitance sensor protection passes through communication network with control system The signal of pass converts 61850 communication protocol of compatible to IEC, and the micro-capacitance sensor protects the Content of Communication with control system with the side GOOSE Formula carries out PERCOM peripheral communication with the Distribution Network Communication network.
CN201810631529.1A 2018-06-19 2018-06-19 A kind of power distribution network and its micro-capacitance sensor protection and control system Pending CN108767987A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201810631529.1A CN108767987A (en) 2018-06-19 2018-06-19 A kind of power distribution network and its micro-capacitance sensor protection and control system
US17/254,244 US11616390B2 (en) 2018-06-19 2019-06-19 Micro-grid reconstruction method and device, micro-grid protection control center, and storage medium
PCT/CN2019/091951 WO2019242657A1 (en) 2018-06-19 2019-06-19 Micro-grid reconstruction method and apparatus, micro-grid protection control center, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810631529.1A CN108767987A (en) 2018-06-19 2018-06-19 A kind of power distribution network and its micro-capacitance sensor protection and control system

Publications (1)

Publication Number Publication Date
CN108767987A true CN108767987A (en) 2018-11-06

Family

ID=63978802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810631529.1A Pending CN108767987A (en) 2018-06-19 2018-06-19 A kind of power distribution network and its micro-capacitance sensor protection and control system

Country Status (1)

Country Link
CN (1) CN108767987A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109995095A (en) * 2019-03-29 2019-07-09 中国科学院电工研究所 A kind of distribution system intelligent operation control method based on data-driven
WO2019242657A1 (en) * 2018-06-19 2019-12-26 清华大学 Micro-grid reconstruction method and apparatus, micro-grid protection control center, and storage medium
CN112949729A (en) * 2021-03-11 2021-06-11 广东技术师范大学 Control algorithm for micro-grid current conversion
CN115117699A (en) * 2022-06-17 2022-09-27 中国南方电网有限责任公司超高压输电公司柳州局 Microcomputer protection device replacement method, microcomputer protection device replacement device, computer equipment, medium and product

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630840A (en) * 2009-08-12 2010-01-20 电子科技大学 Intelligent control system for microgrid energy
CN102355057A (en) * 2011-09-25 2012-02-15 国网电力科学研究院 Computer monitoring method for microgrid system
CN105048457A (en) * 2015-08-18 2015-11-11 济南大陆机电股份有限公司 Electric energy management system of intelligent microgrid
CN205123282U (en) * 2015-11-19 2016-03-30 中国科学院广州能源研究所 Little electric wire netting
CN106054672A (en) * 2016-07-20 2016-10-26 天津天大求实电力新技术股份有限公司 Real micro-grid operation dynamic simulation test platform based on RT-LAB

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630840A (en) * 2009-08-12 2010-01-20 电子科技大学 Intelligent control system for microgrid energy
CN102355057A (en) * 2011-09-25 2012-02-15 国网电力科学研究院 Computer monitoring method for microgrid system
CN105048457A (en) * 2015-08-18 2015-11-11 济南大陆机电股份有限公司 Electric energy management system of intelligent microgrid
CN205123282U (en) * 2015-11-19 2016-03-30 中国科学院广州能源研究所 Little electric wire netting
CN106054672A (en) * 2016-07-20 2016-10-26 天津天大求实电力新技术股份有限公司 Real micro-grid operation dynamic simulation test platform based on RT-LAB

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
宋述宏: "基于MAS-SOA的微网群广域协同控制", 《电工技术》 *
李洋等: "微电网能量管理系统开发与应用", 《华东电力》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019242657A1 (en) * 2018-06-19 2019-12-26 清华大学 Micro-grid reconstruction method and apparatus, micro-grid protection control center, and storage medium
US11616390B2 (en) 2018-06-19 2023-03-28 Tsinghua University Micro-grid reconstruction method and device, micro-grid protection control center, and storage medium
CN109995095A (en) * 2019-03-29 2019-07-09 中国科学院电工研究所 A kind of distribution system intelligent operation control method based on data-driven
CN112949729A (en) * 2021-03-11 2021-06-11 广东技术师范大学 Control algorithm for micro-grid current conversion
CN115117699A (en) * 2022-06-17 2022-09-27 中国南方电网有限责任公司超高压输电公司柳州局 Microcomputer protection device replacement method, microcomputer protection device replacement device, computer equipment, medium and product
CN115117699B (en) * 2022-06-17 2023-08-29 中国南方电网有限责任公司超高压输电公司柳州局 Microcomputer protection device replacing method, device, computer equipment, medium and product

Similar Documents

Publication Publication Date Title
CN108767987A (en) A kind of power distribution network and its micro-capacitance sensor protection and control system
Moradi et al. State of art of multiagent systems in power engineering: A review
CN103296677B (en) A kind of online bulk power grid recovers aid decision-making system
CN110059356A (en) A kind of bulk power grid intelligent control system and method based on big data and artificial intelligence
CN105512448B (en) A kind of appraisal procedure of power distribution network health index
CN103872681A (en) Online real-time loop closing method based on integration of major network and distribution network
CN106329516A (en) Typical scene recognition based dynamic reconstruction method of power distribution network
CN103166219A (en) Power grid on-line decision-stabilizing control system and control method based on super real-time emulation
Ramos et al. AI in power systems and energy markets
CN107730088A (en) A kind of controller switching equipment inspection scheme generation method and device based on distribution big data
CN110264116A (en) A kind of Electrical Power System Dynamic safety evaluation method explored based on relationship with regression tree
CN104463465B (en) A kind of real time monitoring clustering methods based on distributed model
CN111277048A (en) System and method for controlling wide area coordinated operation of electric power system
CN109742788A (en) A kind of grid-connected Performance Evaluating Indexes modification method of new energy power station
CN105912767B (en) Multistage power grid distributed collaborative combined calculation method based on B/S framework
CN109697251A (en) Cloud computing method and cloud service platform based on photovoltaic power station
CN115860321A (en) Power distribution network power supply reliability assessment method and system, electronic equipment and medium
CN103606931B (en) A kind of AVC system definite value method of adjustment based on probability statistics feature
CN108092267A (en) A kind of power distribution network access planning system and method based on intelligent body
CN110361609A (en) Extra-high voltage equipment monitors system and method
Zhao et al. Artificial intelligence applications in power system
CN103296678B (en) A kind of online bulk power grid recovers aid decision-making method
CN117390944A (en) Substation operation condition simulation system
Wang et al. Analysis of network loss energy measurement based on machine learning
CN116613746A (en) OS 2-based distributed power grid modeling model

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181106