CN111697569B - Comprehensive analysis system and method for fault self-healing capability of distribution line - Google Patents
Comprehensive analysis system and method for fault self-healing capability of distribution line Download PDFInfo
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- CN111697569B CN111697569B CN202010445919.7A CN202010445919A CN111697569B CN 111697569 B CN111697569 B CN 111697569B CN 202010445919 A CN202010445919 A CN 202010445919A CN 111697569 B CN111697569 B CN 111697569B
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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
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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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- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The invention discloses a distribution line fault self-healing capability comprehensive analysis system and a method, wherein the system comprises a distribution network information unit, a static analysis unit, a dynamic sensing unit, a dynamic analysis unit, a comprehensive analysis unit and an early warning unit; according to the method, the distribution network information is acquired, the dynamic operation data of the distribution network is sensed, the distribution line fault self-healing capacity is analyzed, a capacity improvement solution is provided, and early warning is carried out on the distribution line self-healing capacity. The invention greatly improves the analysis capability of the self-healing capability of the distribution line fault, synthesizes the static and dynamic analysis results of the distribution line, provides the self-healing capability result of the distribution line, gives early warning in time, and provides a self-healing capability improvement scheme, so that each department can conveniently master the self-healing capability condition of the distribution line and make a line fault emergency plan, thereby providing a basis for the development and construction of a distribution network and the configuration and maintenance of automatic equipment and improving the fault handling capability of the distribution network.
Description
Technical Field
The invention relates to the field of power distribution network fault processing, in particular to a comprehensive analysis system and method for fault self-healing capability of a power distribution line.
Background
Along with the gradual improvement of the requirements of society and people on power supply reliability, the enhancement of the self-healing capacity of the power distribution network is more and more important, and the enhancement of the analysis of the self-healing capacity of the power distribution line is particularly important for improving the practical operation of the power distribution network.
The existing distribution line self-healing capacity analysis method mainly depends on manual work, has higher requirements on self capacities of analysis personnel such as experience, knowledge and the like, and does not have a unified analysis platform for support; the data source system resources are not intercommunicated, the volume is large, the key data is not highlighted, the key data cannot be effectively acquired, and the defects of low efficiency, incapability of early warning and the like exist; moreover, the self-healing problem of the line cannot be shown, early warned and solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a distribution line fault self-healing capability comprehensive analysis system and a distribution line fault self-healing capability comprehensive analysis method, which can timely, effectively and reasonably integrate the existing resources and comprehensively analyze the distribution line self-healing capability in an area from two aspects of a static model and dynamic operation of a power distribution network.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distribution line fault self-healing capability comprehensive analysis system comprises:
the distribution network information unit is used for acquiring distribution network information from the distribution automation master station system and integrating data;
the static analysis unit is used for establishing a node association rule according to the power distribution network information, establishing different sections for two adjacent nodes, logically simulating the faults of the different sections according to a feeder automation strategy, and analyzing the self-healing capability of the power distribution line;
the dynamic sensing unit is used for acquiring real-time power distribution network information;
the dynamic analysis unit is used for dynamically adjusting the topology and the running state of the power distribution network according to the real-time power distribution network information to form a distribution line section and analyzing the line fault self-healing capability according to the section;
the comprehensive analysis unit is used for synthesizing the analysis results of the static analysis unit and the dynamic analysis unit to obtain a fault self-healing capability result of the distribution line of the whole network and provide a capability improvement solution;
and the early warning unit is used for outputting a comprehensive analysis result.
Further, the distribution network information acquired by the distribution network information unit includes distribution network topology and device information.
Further, the acquiring of the real-time power distribution network information by the dynamic sensing unit specifically includes: the method comprises the steps of carrying out relevant data interaction with a power distribution automation master station system, an order management system and a power management system, and obtaining real-time operation data of power distribution network equipment, real-time fault data of the power distribution network equipment, a power distribution network maintenance plan and equipment transaction data.
Further, the section time of the dynamic analysis unit is adjustable.
Further, the section is sent to a static analysis unit for analysis, and computational redundancy is achieved.
Furthermore, the channel for outputting the comprehensive analysis result by the early warning unit comprises sending a short message, dialing a telephone, displaying an interface or outputting an analysis report.
The invention also provides a comprehensive analysis method for the fault self-healing capability of the distribution line, which comprises the following steps:
acquiring power distribution network information;
the static analysis unit establishes a node association rule according to the acquired power distribution network information, establishes different sections for two adjacent nodes, logically simulates the faults of the different sections according to a feeder automation strategy, and analyzes the self-healing capability of the power distribution line;
the dynamic sensing unit acquires real-time power distribution network information;
the dynamic analysis unit dynamically adjusts the topology and the running state of the power distribution network according to the real-time power distribution network information to form a distribution line section, and the line fault self-healing capability is analyzed according to the section;
analyzing results of the static analyzing unit and the dynamic analyzing unit are integrated to obtain a full-network distribution line fault self-healing capability result, and a capability improvement solution is provided;
and outputting a comprehensive analysis result.
Further, the method is performed in real time or periodically.
Further, the acquiring of the real-time power distribution network information by the dynamic sensing unit specifically includes: the method comprises the steps of carrying out relevant data interaction with a power distribution automation master station system, an order management system and a power management system, and obtaining real-time operation data of power distribution network equipment, real-time fault data of the power distribution network equipment, a power distribution network maintenance plan and equipment transaction data.
Furthermore, the dynamic analysis unit forms a distribution line section, the section time is adjustable, and the section is sent to the static analysis unit for analysis, so that computational redundancy is realized.
The invention has the beneficial effects that:
the invention provides a distribution line fault self-healing capacity comprehensive analysis system, which integrates a distribution network information unit, a static analysis unit, a dynamic sensing unit, a dynamic analysis unit, a comprehensive analysis unit and an early warning unit, realizes static self-healing analysis of a distribution network through an association relation established in a point-line-plane manner, and realizes early warning of self-healing capacity; the distribution network dynamic operation analysis is combined, the self-healing capacity before the distribution line fault is analyzed in real time, the on-line early warning of the self-healing capacity is realized, and the self-healing capacity of the distribution line is effectively improved. The method provides effective support for the regulation, control, operation, planning and construction of the power distribution network, and enhances the self-healing control capability of the power distribution network. The system greatly improves the analysis capability of the self-healing capability of the distribution line fault, establishes a distribution line model by acquiring the topology of the distribution network, the information of the distribution equipment and the real-time data (including operation data and fault data) of the distribution equipment, synthesizes the static and dynamic analysis results of the distribution line, gives the self-healing capability result of the distribution line, gives early warning in time and provides a self-healing capability improvement scheme, is convenient for operation, inspection, dispatching and development departments to master the self-healing capability condition of the distribution line, makes a line fault emergency plan and provides a basis for the development and construction of the distribution network and the configuration and maintenance of automatic equipment; the system has the functions of distribution network wiring diagram, distribution network topology analysis, distribution network section analysis, self-healing capability early warning and the like.
The invention also provides a comprehensive analysis method for the distribution line fault self-healing capacity, which can analyze the distribution line fault self-healing capacity timely and accurately, can meet the analysis and early warning of the existing topology self-healing capacity through static analysis, can meet the analysis and early warning of the self-healing capacity after topology change through dynamic analysis, can be visually displayed and alarmed on the system, and can provide a self-healing capacity improvement scheme according to the analysis result. The distribution network regulation and control professional can adjust line monitoring key points in real time according to the analysis result, modify a fault emergency plan and assist in line fault analysis, and is convenient for the regulation and control operation of the distribution network; the development professional can carry out power distribution network development planning according to the analysis result and the promotion scheme; the operation and inspection professional can optimize the grid structure of the power distribution network, improve the standardized configuration rate and eliminate the fault defects of the power distribution network equipment according to the analysis result and the improvement scheme; the automation profession can reasonably arrange automatic operation, return operation, automatic terminal defect and feeder automation strategy configuration according to the analysis result. The system and the implementation method thereof meet the real-time monitoring of distribution line self-healing capacity of each specialty, are oriented to distribution network automation practitioners, distribution network development planning and operation and maintenance maintainers, conveniently perform 'health check' on the distribution network, and can improve the distribution network fault handling capacity.
Drawings
FIG. 1 is a schematic diagram of a comprehensive analysis system for fault self-healing capability of a distribution line according to the present invention;
fig. 2 is a flow diagram of the comprehensive analysis method for the self-healing capability of the fault of the distribution line.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1, the embodiment of the invention discloses a distribution line fault self-healing capability comprehensive analysis system, which comprises a distribution network information unit 1, a static analysis unit 2, a dynamic sensing unit 3, a dynamic analysis unit 4, a comprehensive analysis unit 5 and an early warning unit 6.
Specifically, the distribution network information unit comprises an interface module and a distribution network model module, and the acquired distribution network information comprises distribution network topology and distribution equipment real-time data (including operation data, fault data and operation information) acquired from a distribution automation master station system; the method comprises the steps of obtaining a Power distribution network maintenance plan, equipment abnormal operation data, ledger data and graphic data from an Order Management System (OMS) and a Power Management System (PMS). The distribution network information unit integrates the acquired data and provides the data for the static analysis module and the dynamic analysis module to use through interface service.
The static analysis module adopts a point-line-surface establishment node association rule according to information such as distribution network topology and equipment attributes, establishes different sections for two adjacent nodes, and judges whether the distribution line can realize self-healing or not when different sections are truly simulated to have faults according to Feeder Automation (FA) strategy logic.
The dynamic sensing unit is interacted with an interface module of the distribution network information unit to acquire real-time distribution network information required by the dynamic analysis module, and the dynamic sensing unit specifically comprises: relevant data interaction with a power distribution automation master station system is realized, and real-time data (including operation data and fault data) of power distribution network equipment is obtained; and the method realizes the relevant data interaction with an OMS system and a PMS system, and acquires the maintenance plan and the equipment transaction data of the power distribution network.
The dynamic analysis unit receives data acquired by the dynamic sensing unit from the distribution automation master station system, the OMS system and the PMS system to dynamically adjust the topology and the running state of the distribution network to form a distribution line section, and the section is subjected to line fault self-healing capability analysis according to the section, so that the section time is adjustable, and the section can be sent to the static analysis unit to be analyzed to realize calculation power redundancy.
The comprehensive analysis unit integrates and processes data of the static analysis unit and the dynamic analysis unit, integrates and analyzes the self-healing capacity of the line fault by acquiring analysis results of the static analysis unit and the dynamic analysis unit, and provides capacity improvement solutions such as self-healing capacity, early warning information and solutions.
The early warning unit comprises a warning module and a publishing module, and outputs the comprehensive analysis result in the forms of interface display, analysis report, short message warning, call making, information publishing and the like for the self-healing capacity of the distribution line by acquiring the analysis result of the self-healing capacity of the comprehensive analysis unit on the fault of the distribution line, so that early warning is performed, and support is provided for the regulation and control specialty, the transportation and inspection specialty, the development specialty and the automation specialty.
As shown in fig. 2, an embodiment of the present invention further discloses a method for comprehensively analyzing the fault self-healing capability of the distribution line, where the method includes:
acquiring power distribution network information;
the static analysis unit establishes a node association rule according to the acquired power distribution network information, establishes different sections for two adjacent nodes, logically simulates the faults of the different sections according to a feeder automation strategy, and analyzes the self-healing capability of the power distribution line;
the dynamic sensing unit acquires real-time power distribution network information;
the dynamic analysis unit dynamically adjusts the topology and the running state of the power distribution network according to the real-time power distribution network information to form a distribution line section, and the line fault self-healing capability is analyzed according to the section;
analyzing results of the static analyzing unit and the dynamic analyzing unit are integrated to obtain a full-network distribution line fault self-healing capability result, and a capability improvement solution is provided;
and outputting a comprehensive analysis result.
Preferably, the above method is performed in real time or periodically.
The dynamic sensing unit is used for acquiring the real-time power distribution network information and specifically comprises the following steps: the method comprises the steps of carrying out relevant data interaction with a power distribution automation master station system, an order management system and a power management system, and obtaining real-time operation data of power distribution network equipment, real-time fault data of the power distribution network equipment, a power distribution network maintenance plan and equipment transaction data.
The dynamic analysis unit forms a distribution line section, the section time is adjustable, and the section is sent to the static analysis unit for analysis, so that calculation force redundancy is realized.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. Various modifications and alterations will occur to those skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. On the basis of the technical scheme of the invention, various modifications or changes which can be made by a person skilled in the art without creative efforts are still within the protection scope of the invention.
Claims (7)
1. The utility model provides a distribution lines fault self-healing ability integrated analysis system which characterized in that includes:
the distribution network information unit is used for acquiring distribution network information from the distribution automation master station system and integrating data;
the distribution network information acquired by the distribution network information unit comprises distribution network topology and equipment information, the distribution network information unit comprises an interface module and a distribution network model module, and the acquired distribution network information comprises real-time data of the distribution network topology and the distribution equipment acquired from a distribution automation master station system; acquiring a power distribution network maintenance plan, equipment transaction data, ledger data and graphic data from an order management system and a power management system; the distribution network information unit integrates the acquired data and provides the data for the static analysis unit and the dynamic analysis unit to use through interface service;
the static analysis unit is used for establishing a node association rule according to the power distribution network information, establishing different sections for two adjacent nodes, logically simulating the faults of the different sections according to a feeder automation strategy, and analyzing the self-healing capability of the power distribution line;
the dynamic sensing unit is used for acquiring real-time power distribution network information;
the dynamic sensing unit is used for acquiring the real-time power distribution network information and specifically comprises the following steps: acquiring real-time operation data of power distribution network equipment, real-time fault data of the power distribution network equipment, a power distribution network maintenance plan and equipment transaction data by performing related data interaction with a power distribution automation master station system, an order management system and a power management system;
the dynamic analysis unit is used for dynamically adjusting the topology and the running state of the power distribution network according to the real-time power distribution network information to form a distribution line section and analyzing the line fault self-healing capability according to the section;
the comprehensive analysis unit is used for synthesizing the analysis results of the static analysis unit and the dynamic analysis unit to obtain a fault self-healing capability result of the distribution line of the whole network and provide a capability improvement solution;
and the early warning unit is used for outputting a comprehensive analysis result.
2. The distribution line fault self-healing capability comprehensive analysis system according to claim 1, wherein a section time of the dynamic analysis unit is adjustable.
3. The distribution line fault self-healing capability comprehensive analysis system according to claim 1, wherein the cross section is sent to a static analysis unit for analysis to achieve computational redundancy.
4. The distribution line fault self-healing capability comprehensive analysis system according to claim 1, wherein the channel through which the early warning unit outputs the comprehensive analysis result includes sending a short message, making a call, displaying an interface, or outputting an analysis report.
5. A distribution line fault self-healing capability comprehensive analysis method is characterized by comprising the following steps:
the distribution network information unit acquires distribution network information;
the acquired power distribution network information comprises power distribution network topology and power distribution equipment real-time data acquired from a power distribution automation master station system; acquiring a power distribution network maintenance plan, equipment transaction data, ledger data and graphic data from an order management system and a power management system; the distribution network information unit integrates the acquired data and provides the data for the static analysis unit and the dynamic analysis unit to use through interface service;
the static analysis unit establishes a node association rule according to the acquired power distribution network information, establishes different sections for two adjacent nodes, logically simulates the faults of the different sections according to a feeder automation strategy, and analyzes the self-healing capability of the power distribution line;
the dynamic sensing unit acquires real-time power distribution network information;
the dynamic sensing unit is used for acquiring the real-time power distribution network information and specifically comprises the following steps: acquiring real-time operation data of power distribution network equipment, real-time fault data of the power distribution network equipment, a power distribution network maintenance plan and equipment transaction data by performing related data interaction with a power distribution automation master station system, an order management system and a power management system;
the dynamic analysis unit dynamically adjusts the topology and the running state of the power distribution network according to the real-time power distribution network information to form a distribution line section, and the line fault self-healing capability is analyzed according to the section;
analyzing results of the static analyzing unit and the dynamic analyzing unit are integrated to obtain a full-network distribution line fault self-healing capability result, and a capability improvement solution is provided;
and outputting a comprehensive analysis result.
6. The comprehensive analysis method for power distribution line fault self-healing capability according to claim 5, wherein the method is performed in real time or periodically.
7. The distribution line fault self-healing capability comprehensive analysis method according to claim 5, wherein the dynamic analysis unit forms a distribution line section, the section time is adjustable, and the section is sent to the static analysis unit for analysis, so that computational redundancy is realized.
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