CN112765258A - Power distribution network graph model checking management system and method thereof - Google Patents
Power distribution network graph model checking management system and method thereof Download PDFInfo
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Abstract
The invention discloses a power distribution network graph model checking management system, which automatically acquires a main graph model of a dispatching automation EMS system, automatically acquires a GIS/PMS system, a distribution network graph model center and a power distribution network graph model of a distribution automation main station through a power distribution network graph model abnormal flow, improves the work efficiency of graph model checking, efficiently monitors graph model abnormal movement in real time, and utilizes real-time and historical data of the dispatching automation EMS system (an energy management system), the distribution automation main station, a marketing business application system and a marketing electricity information acquisition system to perform graph model application operations including switch setting, equipment listing, operation ticket forming, closed loop current calculation, fault simulation, fault research and judgment and the like, thereby ensuring the correctness, safety and practicability of the graph model.
Description
Technical Field
The invention belongs to the technical field of big data, and particularly relates to a power distribution network graph model checking management system and a method thereof.
Background
With the continuous expansion of the scale of the power grid, the power grid wiring changes and modes are adjusted more and more frequently, and the requirements on the operation management level of the power grid are higher and higher. Because data of various systems of operation, distribution and dispatching do not interact to form an information isolated island, a distribution network single line diagram and a distribution network thematic diagram lack the concept of a global system, the verification of a distribution network model and a diagram needs drawing personnel to check wiring diagrams one by one, the work efficiency is low, time and labor are wasted, a large amount of energy is occupied, the timely maintenance of the data of a graph model cannot be ensured, and the correctness of the abnormal movement of the graph model cannot be monitored efficiently in real time.
Disclosure of Invention
The invention provides a power distribution network graph model checking management system, aiming at improving the checking efficiency and accuracy of a power distribution network graph model.
The invention is realized in this way, a distribution network graph model checking management system, the system includes:
the main distribution integrated graph-model management module: splicing the main power grid pattern model and the distribution network pattern model to form a main distribution network integrated pattern model;
the main distribution integrated graph model static checking management module: performing static checking on a main power grid graph model and a power distribution network graph model in the main power distribution network integrated graph model;
a power distribution network intelligent mapping management module; automatically generating a power distribution network system diagram;
the main distribution integrated ring network topology analysis check management module: the distribution network system diagram is subjected to topology checking, namely the integrity and the accuracy of the integrated looped network path of the main distribution network are checked;
the main distribution integrated graph model dynamic checking management module: the method comprises the steps of dynamically checking a power distribution network system, namely changing a main distribution network integrated ring network running path of a power grid through specified application operation, storing the main distribution network integrated ring network path after the application operation, and determining whether the main distribution network integrated ring network path corresponding to the application operation is complete and accurate;
visual display output module: and outputting the checking results of static checking, topological checking and dynamic checking.
Further, the main distribution integrated graph model static checking management module performs static checking on the main power grid graph model and the distribution network graph model, and comprises equipment attribute checking and topology connection checking of the main power grid and the distribution network, wherein,
the equipment attribute checking comprises the following steps: checking name numbers, equipment naming formats and equipment parameters of the switches and the lines;
checking the topological connection: comparing the topological connection relation with the equipment connection relation described on the main power grid graph model/the power distribution grid graph model, and checking whether the connection relation is consistent; and checking whether a single radiation line without a transfer path or an isolated electric island device without a power supply exists on the main power grid pattern and the distribution network pattern.
Further, the main distribution integrated ring network topology analysis check management module
On the main distribution integrated graph model, searching from two sides of a distribution network interconnection switch to the power supply side, regarding all equipment in every two communicated nodes as a branch until the same power supply with the highest voltage level is searched, comparing with standard interconnection line information, checking whether the line to which the equipment connected with the two ends belongs is the same as a specified line, analyzing whether the path of the main distribution integrated ring network is complete and correct, and outputting the detection result through a visual output module.
Further, the system further comprises:
the main power distribution network graph model transaction management module: the system is used for comparing the power distribution network graph and the main power network graph which are used for on-site scheduling and are prepared for use after line transformation and implementation, marking the power distribution network graph-model difference and the main power network graph-model difference in the main power distribution network integrated graph-model, outputting the power distribution network graph and the main power network graph which are used for scheduling and are prepared for use after line transformation and implementation through the visual output module, and outputting the power distribution network graph and the main power network graph to the main power distribution integrated graph-model static checking management module.
Further, the system further comprises:
the main distribution integrated power distribution network system diagram application management module comprises: setting and executing various application operations, including switch position, equipment listing, operation ticket point diagram ticket forming, loop closing load flow calculation and fault research and judgment.
Further, the system further comprises:
a data management module: receiving, converting, storing and forwarding data;
the data includes: the method comprises the steps of drawing and modeling files of a main network and a distribution network, network structure parameters of the main network and the distribution network and intrinsic parameter data of corresponding equipment of the main network and the distribution network, real-time operation data of the main network and the distribution network, an operation ticket and data of an OMS system power grid equipment power failure request form.
Furthermore, a main grid pattern in the main distribution integrated pattern management module is exported from a dispatching automation EMS system, a distribution network pattern is exported from a GIS/PMS system, is exported as CIM and SVG files and is stored in the main distribution integrated pattern management module, XML files of the main grid CIM and the distribution network CIM are read, and primary equipment, connection points and mutual topological relations of the main distribution network and the distribution network are analyzed.
The invention is realized in this way, a distribution diagram model checking management method, the method specifically includes the following steps:
s1, splicing the main power grid pattern model and the power distribution network pattern model to form a main power distribution network integrated pattern model;
s2, performing static checking on a main power grid pattern model and a power distribution network pattern model in the main power distribution network integrated pattern model;
s3, automatically generating a power distribution network system diagram after the static checking is passed;
s4, carrying out topology checking on the power distribution network system diagram, namely checking the integrity and accuracy of the integrated ring network path of the main power distribution network;
s5, after the topology check of the power distribution network system diagram passes, dynamically checking the power distribution network system, namely changing the operation path of the main distribution integrated ring network of the power grid based on the specified application operation, storing the path of the main distribution integrated ring network after the application operation, and determining whether the path of the main distribution integrated ring network corresponding to the application operation is complete and accurate;
and S6, outputting the dynamic checking data of the power distribution network system by the visual display output module.
The management and control method breaks through an information island, and realizes operation, distribution and dispatching data sharing and information integration; the method has the advantages that the main network graph model of the dispatching automation EMS system can be automatically acquired, the GIS/PMS system can be automatically acquired through the distribution network graph model abnormal flow, the distribution network graph model center and the distribution network graph model of the distribution automation main station are improved, the work efficiency of graph model checking is improved, the graph model abnormal operation is efficiently monitored in real time, the real-time and historical data of the dispatching automation EMS system (energy management system), the distribution automation main station, the marketing business application system and the marketing power consumption information acquisition system are utilized, graph model application operations such as switch setting, equipment hanging plate, operation ticket point diagram ticket forming, loop closing trend calculation, fault simulation, fault study and judgment are carried out, and the correctness, safety and practicability of the graph model are guaranteed.
And the static checking of the graph model compares the graph model checking result with the imported equipment ledger through attribute checking and topology checking, so that heavy manual checking workload is avoided.
The distribution network system diagram is automatically generated, the diagram is automatically distributed, the system diagram takes a transformer substation as a unit according to the state of a single line diagram synchronous device, the diagram describing the contact relation between distribution lines among the transformer substations comprises a ring main unit on a distribution contact line, a cable branch box, a switch station and a distribution room, an overhead line pole circuit breaker switch with the functions of segmentation and contact, a dual-power dispatching protocol user and the like, equipment primitives in the system diagram are arranged by referring to the geographic coordinates of field equipment, the corresponding single line diagram can be quickly positioned through the system diagram, the defect that a distribution network single line diagram and a distribution network thematic diagram lack a global system is overcome, and the drawing time of drawing personnel is saved. And the looped network topology analysis and check ensures the completeness and correctness of the looped network path through the comparison of the looped network topology of the power distribution network system diagram and the contact line information in the imported contact switch equipment table.
The power distribution network system graph application is based on real-time remote measurement and remote signaling data, and has a main distribution integrated ring network path and network structure parameters thereof, graph model application operations including switch setting, equipment listing, operation ticket point diagram ticket forming, closed loop load flow calculation, fault simulation, fault study and judgment and the like are carried out on a graph unit, the equipment state is synchronized, and the graph model correctness is intelligently checked; the operation ticket point diagram is used for ticket forming, simulation rehearsal, topology coloring, safety check, flow management and automatic issuing of switch setting and equipment setting information after the operation instructions are executed on the red and black diagram of the system diagram, the reliability of the running state of the equipment is guaranteed by comparing the information with real-time remote measurement and remote signaling data, and the repeated labor of manual setting is avoided. Loop closing load flow calculation, safety verification, loop closing calculation check conclusion and adjustment suggestion are performed on a system diagram, a loop closing path diagram based on an SVG technology is displayed in a visual graph mode, and decision is assisted to improve the success rate of loop closing operation. The fault simulation comprises various fault settings such as single-phase grounding, tripping of a main and distribution network switch, disconnection of a control loop, refusing of the main and distribution network switch, voltage transformers and the like, virtual faults are vividly demonstrated, and dispatcher training is assisted. And in the fault study and judgment, the distribution transformer terminal power failure and recovery event reversely pushes distribution network switch trip information through a graph-model topological relation, power failure application single data of power grid equipment of an OMS system are compared, the distribution network switch fault trip event is judged, the fault trip equipment synchronously flickers, and the matching of the marketing, distribution and dispatching multi-source data is effectively verified. And one-key uploading of the graph model errors is found in the graph model application operation, so that the work efficiency of checking the graph model is improved.
The dynamic checking management of the graph model analyzes the dynamic change of the looped network path through the aspects of dynamic combination relation of the power grid and the like, and the defect of static checking of the graph model is overcome. The checking information result of the power distribution network graph model is automatically counted and released in a visual graph mode by combining the power distribution network graph model based on the SVG technology, and heavy manual counting is avoided.
Drawings
FIG. 1 is a schematic diagram of an overall design framework of a power distribution network graph model checking management implementation method and system of the present invention;
FIG. 2 is a schematic structural diagram of a management, distribution and dispatching data through and application integration framework of the method and system for implementing verification management of a power distribution network graph model according to the present invention;
FIG. 3 is a data walking diagram of the method and system for implementing checking management of power distribution network graph models according to the present invention;
FIG. 4 is a flowchart of a method for implementing verification management of a power distribution network graph model according to the present invention;
fig. 5 is a flowchart of an application of a main distribution integrated power distribution network system diagram of the power distribution network graph-model checking management implementation method and system of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
Fig. 1 is a schematic structural diagram of a power distribution network graph-model checking management system according to an embodiment of the present invention, and for convenience of description, only parts related to the embodiment of the present invention are shown.
A method and a system for realizing checking management of a power distribution network graphic model are based on a CIM (common information model)/SVG (scalable vector graphics) graphic model integration technology, utilize marketing and dispatching data to be communicated, the power distribution network graphic model transaction is circulated and checked according to a distribution network transaction management realization method, the power distribution network graphic model transaction is circulated from a GIS/PMS/distribution network graphic model center/distribution automation master station system to a power distribution network graphic model checking management system, and a main network graphic model is circulated from a dispatching automation EMS system to the power distribution network graphic model checking management system. The integrated modeling of the main power distribution network is realized through the splitting and the combination of the models. And generating a red-black graph after the power distribution network graph model is introduced into the power distribution network graph model checking management system. The method comprises the steps of sequentially performing static checking on a power distribution network graph model, intelligently mapping the power distribution network, analyzing and checking ring network topology, applying application operation in a power distribution network system graph and dynamically checking, performing application operation of the graph model on a graphic unit of the power distribution network system graph, wherein the application operation comprises switch setting, equipment listing, ticket point diagram formation on a red and black graph of the system graph, loop closing load flow calculation, fault simulation, fault study and judgment and the like, synchronizing the equipment state, and reporting errors by one key. And a conclusion is obtained through the power distribution network graph-model checking, and the power distribution network graph-model information which passes the checking and does not pass the checking is transmitted to the visual output module. After the checking process is finished, the power distribution network graph model checking information results are collected, and the power distribution network graph model is automatically counted and issued in a visual graph mode in combination with the SVG technology.
The method and the system for realizing the checking management of the power distribution network graph model comprise nine modules:
the system comprises a data management module, a main distribution integrated graph-model management module, a power distribution network graph-model transaction management module, a main distribution integrated graph-model static checking management module, a power distribution network intelligent mapping management module, a main distribution integrated ring network topology analysis checking management module, a main distribution integrated power distribution network system graph application management module, a main distribution integrated graph-model dynamic checking management module and a visual output module.
And meanwhile, a CIM model in the IEC61970/610968 standard is adopted to carry out running-through of operation and coordination data and integration of application. The marketing, distribution and dispatching system consists of a marketing system, a dispatching system and a power distribution system, wherein the marketing system comprises a marketing service application system and a marketing electricity utilization information acquisition system, the dispatching system comprises a dispatching automation SCADA/EMS system and an OMS system, and the power distribution system comprises a GIS/PMS system, a distribution network graph model center and a power distribution automation system; and respective data are converted into a standard format of a CIM (common information model) through a CIM/XML (common information model/extensible markup language) data conversion interface program, so that a checking management system of the power distribution network graph model can acquire required data through a data exchange bus. By adopting the CIM/SVG-based graph-model integration technology, loose coupling among the systems can be realized, and maintenance, upgrading and reconstruction of the systems are facilitated.
As shown in fig. 1, the method and system for implementing verification management of power distribution network graph model includes nine modules, namely a data management module, a master-distribution integrated graph model management module, a power distribution network graph model transaction management module, a master-distribution integrated graph model static verification management module, a power distribution network intelligent graph formation management module, a master-distribution integrated ring network topology analysis verification management module, a master-distribution integrated power distribution network graph application management module, a master-distribution integrated graph model dynamic verification management module and a visual output module, and the specific module functions are as follows:
(1) data management module
The data management module is responsible for receiving, converting format, storing and forwarding all data required by the checking management system of the power distribution network graph model, and mainly comprises the following six types of data: the method comprises the following steps that (1) parameters of a main power grid graphic model, lines and transformer equipment, and real-time and historical telemetering and remote signaling data of the transformers, the lines and buses are obtained;
the method comprises the following steps that (1) a power distribution network graph model, length and model parameters of a line, real-time and historical data of a power distribution automation system and real-time and historical data of distribution transformer are acquired;
the system comprises a dispatching automation EMS system (energy management system), a GIS/PMS system, a distribution network graph model center, power grid equipment parameters of a distribution automation main station, marketing business application system account information data, marketing electricity information acquisition system data, equipment state, operation ticket data, closed loop power flow calculation data, fault simulation data, fault study and judgment data, distribution network graph model static checking information, distribution network graph model dynamic checking information, ring network topology analysis checking information, an equipment abnormal operation request form of an OMS system, a power grid equipment power failure request form and the like.
(2) Main distribution integrated graph model management module
The main network graphic model is exported from a dispatching automation EMS system (energy management system), the distribution network graphic model is exported from a GIS/PMS/distribution network graphic model center/distribution automation master station system, the exported files are CIM and SVG files and stored in a main distribution integration graphic model management module, XML files of the main network CIM and the distribution network CIM are read, and primary equipment, connection points and mutual topological relation of the primary equipment and the connection points of the main network and the distribution network are analyzed. According to the characteristic that double-named numbers of 10kV feeders are unique identifiers in the whole network, all connecting nodes and topological relations thereof are searched in a depth-first mode by taking the feeders as intersection points, the main power grid and the power distribution network are correspondingly associated and then numbered again, new logic nodes are generated, a directory tree is formed, and the splicing work of the graph-model topology of the main power distribution network is completed.
(3) Power distribution network graph model transaction management module
According to the method for managing the abnormal operation of the distribution network equipment, the method realizes the reproduction of the abnormal operation management flow of the equipment in the system by means of red and black image management. The 'red and black graph' describes the dynamic change process of the power distribution network model. The trace management of the full life cycle of commissioning, running and retirement of the equipment is realized, and the problem of difficult equipment running management caused by frequent construction and transformation of the power distribution network is effectively solved. And managing device transaction in a standardized way. Black picture: the graph that the dispatch is using and is used for field dispatch is a graphical display of the current distribution network configuration and operating state. Red picture: and after the line reconstruction is implemented, scheduling a graph ready for use, wherein the graph is a graph display of a future power distribution network structure. The system automatically compares and analyzes the change content of the red chart and is marked by yellow, and the system can flash to remind a dispatcher of finding the changed part of the chart. And after the new version of the power distribution network graph model is imported, the power distribution network graph model becomes a red graph version, and a dispatcher puts the red graph into use after confirming that the red graph is accurate. The red and black image comparison function can compare the difference between the red and black images, so that a dispatcher can confirm that the image is correct to modify. Because the red and black images can be flexibly called, the functions of starting and stopping the ticket on the black image and starting and recovering the ticket on the red image can be realized when the ticket is simulated. When the system runs, the black map version is called in by default.
(4) Main-distribution integrated graph-model static checking management module
The checking rules comprise attribute checking and topology checking, and comprise matching of switch line name attributes, complete equipment attributes, static topology, connection relation errors, model loss, standard format of equipment naming, marketing system standing accounts, scheduling system standing accounts and power distribution system standing accounts. Checking the power distribution network graph model and the main power network graph model, and checking whether the name numbers of the switch and the line are consistent; whether the device attribute parameters are completely correct; whether single radiation lines without a transfer path or isolated electrical island equipment without a power supply exist or not is checked through network topology connection; the CIM corresponds to the XML, the CIM and the XML file are analyzed to obtain a topological connection relation, the topological connection relation is compared with the equipment connection relation drawn on the graph model, and whether the connection relation is consistent or not is checked; whether the equipment naming number conforms to a standard format or not; whether the standing book information of the marketing system is matched with the graph model or not. After checking, comparing the checking result of the graph model with the imported equipment ledger, avoiding missing of checking, obtaining a checking conclusion,
the equipment ledger is a mapping table of manually recorded lines, interconnection lines and interconnection switches;
and the marketing system standing book, the scheduling system standing book and the power distribution system standing book are respectively exported from the marketing system, the scheduling system and the power distribution system.
(5) Intelligent mapping management module for power distribution network
The module is used for realizing the function of a distribution network system diagram, automatically generating the distribution network system diagram by analyzing a distribution network single line diagram, performing topology analysis and automatic graphic layout, and synchronizing the equipment state according to the single line diagram; distribution network system picture uses the transformer substation as the unit, describe the figure of the contact relation between the distribution lines between each transformer substation, contain the looped netowrk cabinet on the distribution contact line, the cable branch box, the switch station, the electricity distribution room, play the segmentation, overhead line post circuit breaker switch and dual supply dispatch protocol user etc. of contact effect, equipment primitive in the system picture refers to field device's geographical coordinate and arranges, can fix a position corresponding single line picture fast through the system picture, the component element contains the transformer substation, the tie line, the section switch, the contact switch, simplified electricity distribution station room, dual supply dispatch protocol user etc..
(6) Main distribution integrated ring network topology analysis checking management module
Based on the integrated graph model of the main power distribution network, searching from two sides of a power distribution network connection switch to the power supply side, regarding all equipment in every two connected nodes as a branch until the same power supply with the highest voltage level, such as a generator or a virtual power supply, is searched, then generating a ring network topology, comparing the ring network topology with imported standard connection line information (taken from a connection switch equipment table), checking whether the line to which the equipment connected with two ends belongs is the same as a specified line, and analyzing the integrity and correctness of the integrated ring network path of the main power distribution network through the topology analysis of the power distribution network system graph.
(7) Main distribution integrated distribution network system diagram application management module
The module is based on real-time remote measurement and remote signaling data, is provided with a main distribution integrated power distribution network system graph model with a main distribution integrated ring network path and network structure parameters thereof, and performs graph model application operations including switch setting, equipment listing, operation ticket point diagram forming, loop closing load flow calculation, fault simulation, fault study and judgment and the like on a graph unit to synchronize the equipment state;
the method realizes ticket forming, simulated rehearsal, topology coloring, safety check, flow management and automatic issuing of switch setting and equipment plate setting information after execution of scheduling operation instructions on the red and black images of the system image, compares the information with real-time remote measurement and remote signaling data, and reports the image mode errors found in operation ticket application by one key. The dispatcher searches corresponding power failure equipment in a power distribution network graph model according to a power failure maintenance request form returned by a transport party, a right key is flicked to stop and start an operation ticket, fixed dispatching operation phrase selection is provided, an operation ticket module has a graphic topology anti-error automatic analysis function, the ticket is formed quickly, and the ticket is formed reversely by one key. Red and black picture transaction flow: when the modified graph model is imported, a graph model change record is automatically generated, and the graph model related to the record is set to be in a red graph state; before the work of the reconstruction and extension project is started, a dispatcher generally opens out an out-of-service operation ticket on a black map and opens out a back-of-service operation ticket on a red map; when all the rescale operations related to the transaction are completed, the red graph is changed into the black graph to become the current operation graph.
The method comprises the steps of establishing a main distribution network integrated model for realizing loop closing load flow calculation, analyzing and determining a loop closing path, carrying out load flow calculation before and after loop closing, carrying out loop closing load flow calculation safety verification, displaying a loop closing calculation check conclusion and an adjustment suggestion in a visual graph mode by combining with a loop closing path diagram based on an SVG technology, and reporting a graph model error found in loop closing load flow calculation application in a one-key mode. Selecting a switch needing to be closed in a power distribution network graph model according to the operation mode requirement, snapping a right key to perform load flow calculation analysis, and displaying load flow calculation results and safety evaluation results before and after closing the loop in a visual graph mode by combining with a closed loop path single line graph based on an SVG technology.
The fault simulation comprises various fault settings such as single-phase grounding, tripping of a main and distribution network switch, disconnection of a control loop, refusing of the main and distribution network switch, voltage transformers and the like, and the graph-mode errors found in the fault simulation application are reported by one key. The real-time data section is stored firstly, then the fault is set in the stored real-time data section, and the accident plan automatically triggers the fault according to the preset triggering time. The basic scheduling operation supported by the graph model comprises switching operation of a switch (disconnecting link), transformer switching and tapping adjustment, adjustment of a transformer neutral point grounding mode, load adjustment, setting and modification of protection, scheduling comprehensive command operation and fault setting of a transformer substation and a distribution network line. The misoperation monitoring supported by the graph model comprises various operations which do not conform to safety regulations, such as pulling a knife switch with load, closing the knife switch with load, pressing a grounding knife with electricity, closing a switch with the grounding knife, charging a no-load line or a transformer by the knife switch, hanging a grounding wire with electricity, detaching the grounding wire with electricity, forcibly sending the grounding wire to a permanent fault, closing the switch at a permanent fault point and expanding accidents. Finding out corresponding operation equipment in the main and distribution network graphs, flicking a right button for operation, selecting a fixed scheduling operation phrase, and automatically changing the equipment state by operating the equipment on the execution graph model. And carrying out misoperation of fault simulation operation on the graph model, and tracing whether the graph model has errors or not by analyzing a power supply path of a power supply.
The distribution transformer terminal power failure and recovery event in fault study and judgment is realized by reversely pushing distribution network switch tripping information through a graph-model topological relation, comparing power failure application order data of power grid equipment of an OMS (operation management system), judging the distribution network switch fault tripping event, synchronously flashing fault tripping equipment and reporting graph-model errors found in fault study and judgment application in a one-key mode. If the event of distributing switch tripping information is wrongly sent, after the reason that the terminal of the distribution transformer stops the power recovery event and fails in pushing is eliminated, drawing errors of the graph model are traced through analyzing the power supply range of the distributing switch and the topological relation of the graph model.
(8) Main-distribution integrated graph-model dynamic checking management module
Various application operations are carried out on a power distribution network system diagram to change the ring network path of the power grid of the diagram module, a dynamic combination relation of the power grid is formed through switching operation of switching on and switching off of a switch, namely various application operations are executed, and the main distribution integrated ring network path is changed. And storing the contact points and the paths after the looped network path changes, analyzing the dynamic changes of the paths of the main distribution integrated looped network, comparing the graph model checking result with the topological analysis and checking result of the main distribution integrated looped network before the abnormal operation, and analyzing the contact points and the path changes before and after the abnormal operation (contrast display) to obtain the conclusion of the dynamic checking of the graph model of the power distribution network.
(9) Visual output module
The visual output module is used for displaying the various checking information results of the power distribution network graphic model in a visual graphic mode in combination with the power distribution network graphic model based on the SVG technology, and is used for displaying visual graphics and/or reports of various checking management data of the power distribution network graphic model.
The method and the system for realizing the checking management of the power distribution network graph model adopt a CIM model in IEC61970/610968 standard to carry out the communication of operation, distribution and dispatching data and the integration of application, and the framework structure of the method and the system is shown in figure 2. The operation, distribution and dispatching system converts respective data into a standard format of a CIM (common information model) through a CIM/XML (common information model/extensible markup language) data conversion interface program, so that the checking and management system of the power distribution network graph model can acquire required data through a data exchange bus. By adopting the CIM/SVG-based graph-model integration technology, loose coupling among the systems can be realized, and maintenance, upgrading and reconstruction of the systems are facilitated.
The method for realizing the checking management of the power distribution network graph model and the data source acquired by the system comprise the following steps:
(1) main network graph model, line and transformer equipment parameters and real-time and historical remote measuring and remote signaling data of the transformer, the line and the bus: and acquiring a CIM (common information model), SVG (scalable vector graphics) and E-language format main network and historical real-time data of the main network from the EMS system three areas through FTP (file transfer protocol) or SFTP (small form transfer protocol) interfaces.
(2) Real-time and historical data of the distribution automation system: the access service of FTP or SFTP files is provided by the acquisition of the distribution automation master station system, and the on-off states of all the power distribution networks in E file formats are sent.
(3) Real-time and historical data acquisition of distribution transformer: and the marketing electricity utilization information is acquired through a marketing electricity utilization information acquisition system and a marketing business application system.
(4) The power grid equipment parameters of the distribution network thematic graph model, the GIS/PMS/distribution network graph model center/distribution automation master station system are as follows: and acquiring parameters of the power distribution network graphic model and the power network equipment in a CIM/SVG format through a GIS/PMS/distribution network graphic model center/distribution automation master station system.
(5) OMS system data: the device transaction request sheet containing the OMS system and the power failure request sheet of the power grid device are obtained through the OMS system.
(6) Marketing standing book information data: and obtaining the data through a marketing service application system.
As shown in fig. 3, 4 and 5, the method and system for checking and managing the power distribution network graph model specifically include the following steps:
step 0: reading in a main and distribution network model file, main and distribution network real-time and historical data and main and distribution network real-time and historical operation topological data, and realizing main and distribution network integrated modeling by utilizing marketing, distribution and dispatching data through a CIM/SVG (common information model/scalable vector graphics) based graph-model integration technology and by splitting and combining models;
step 1: acquiring a power distribution network graph model in a GIS system;
step 2: the distribution network graphic model is transferred to a distribution network graphic model center from a GIS system;
and step 3: checking the distribution network graph model at the distribution network graph model center, and automatically forming a graph to generate a single line graph and a distribution network thematic graph;
and 4, step 4: the distribution network graphic model flows to a distribution automation master station from a distribution network graphic model center;
and 5: the distribution network graphic model flows from a GIS/PMS/distribution network graphic model center/distribution automation master station system to a distribution network graphic model checking management system, and the main graphic model flows from a dispatching automation EMS system to the distribution network graphic model checking management system;
step 6: leading out, storing, reading, analyzing and splicing the main network graph model and the distribution network graph model;
and 7: importing a variation graph model of the power distribution network graph model, generating a graph model variation record, and setting the graph model related to the variation record into a red graph state;
and 8: according to the selected line version, static checking is carried out on a red graph of a power distribution network graph model, a graph model checking result is compared with a imported device account to obtain a corresponding conclusion of static checking of the power distribution network graph model, power distribution network graph model information which passes the checking sum and does not pass the checking sum is transmitted to a visual output module, and the power distribution network graph model which passes the checking sum flows to a power distribution network intelligent graph management module;
and step 9: analyzing the power distribution network graph model, and automatically generating a power distribution network system graph;
step 10: analyzing a main distribution integrated ring network path, transmitting power distribution network graph-mode information which passes and does not pass through ring network topology analysis and verification to a visual output module, and transferring the power distribution network graph-mode flow which passes through the ring network topology analysis and verification to a main distribution integrated power distribution network system graph application management module;
step 11: carrying out graphic module application operations including switch setting, equipment listing, ticket forming by operating a ticket point diagram, loop closing load flow calculation, fault simulation, fault study and judgment and the like on a graphic unit of a power distribution network system diagram, synchronizing the equipment state, reporting errors by one key, and transmitting operation information to a main distribution integrated graphic module dynamic checking management module;
step 12: comparing contact points and paths before and after the looped network path transaction, analyzing dynamic changes of the main distribution integrated looped network path, comparing and analyzing a graph model checking result with a main distribution integrated looped network topology analysis checking result to obtain a conclusion of dynamic checking of a power distribution network graph model, and transmitting power distribution network graph model information which passes the check sum and does not pass the check sum to a visual output module;
step 13: summarizing various checking information results of the power distribution network graphic model, and presenting the checking information results in a visual graph mode by combining the power distribution network graphic model based on the SVG technology;
step 14: the data is stored, and the power distribution network graph model checking management report can be exported, displayed and/or printed.
The following are some explanations of terms relevant to the present invention:
SG-CIM: the enterprise public information model is established by national grid companies.
A GIS system: power grid GIS platform/public power grid geographic information resource platform.
PMS: a lean management system for equipment (assets) uniformly constructed by national networks.
EMS: a dispatch automation EMS system (energy management system).
5. Power grid graph model: the device is characterized in that the device refers to graph and model data of a power grid and consists of a CIM and an XML, wherein the CIM records an electrical symbol of equipment, and the XML records an equipment parameter and an electrical connection relation between the equipment.
6. And in the single line diagram, all power distribution network equipment from the outgoing line of the substation to the tail end of the line or between line interconnection switches is described by taking a single feeder line as a unit. The component elements comprise equipment such as a transformer substation, a ring main unit, a switch station, a distribution room, a box type transformer, a distributed photovoltaic user, a cable branch box, a load switch, a circuit breaker, a disconnecting link, a drop-out fuse, a combination switch, an overhead line, a cable, a distribution transformer, a fault indicator and the like, and a tower thereof.
7. A power distribution network system diagram: the method comprises the steps of describing a graph of a contact relation between distribution lines among all substations by taking the substations as a unit; the overhead line pole-mounted circuit breaker comprises a ring main unit, a cable branch box, a switch station and a distribution room on a distribution interconnection line, and plays the roles of segmenting and connecting, a circuit breaker switch on an overhead line pole, a dual-power scheduling protocol user and the like. The equipment primitives in the system diagram are arranged by referring to the real geographic coordinates of the equipment, and the corresponding single line diagram can be quickly positioned through the system diagram. The component elements comprise a transformer substation, a tie line, a section switch, a tie switch, a simplified power distribution station room, a dual-power dispatching protocol user and the like.
8. A distribution network thematic map: professional graphs, generally simplified horizontal and vertical graphs, are needed for distribution network services, and reflect the electrical topological relation of a power grid. Common distribution network thematic maps comprise a regional system map, a single-line simplified map, a single-line detailed map, a ring network map and the like.
9. Automatic mapping: the method is a process of automatically generating a distribution network thematic map and a distribution network system map by using power grid graphic data through topology analysis and automatic graphic layout.
10. Distribution network graph model center: the distribution network equipment model and the graph data system can generate a distribution network model and a graph and provide the distribution network model and the graph for the distribution automation system.
11. Distribution automation: the distribution automation system is an automation system for realizing operation monitoring and control of a distribution network, has the functions of distribution SCADA (supervisory control and data acquisition), feeder automation, power grid analysis application, interconnection with related application systems and the like, and mainly comprises a distribution automation main station, a distribution terminal, a distribution substation (optional) and a communication channel.
12. Distribution automation main website: a master station of a distribution automation system.
Language E: the power system data model description language developed by the national center of mediation. The object-oriented technology is used, the characteristics of XML are inherited, a coding-free system for describing classes, attributes and entities by adopting natural language is adopted, conversion and data exchange of CIM format are facilitated, and various power grid equipment models can be described efficiently.
CIM: the Common Information Model (Common Information Model) is an abstract conceptual Model defined in IEC61970, which describes all the main objects of a power enterprise by providing a standard way of representing power system resources with object classes and attributes and relationships between attributes. CIM uses a Unified Modeling Language (UML) definition, and various other formats of models can be generated based on the UML model definition. The method is mostly described by adopting XML and is mainly used for data exchange and integration among systems.
15, SVG: the two-dimensional vector graphics system is an XML-based open two-dimensional graphics description language issued by a W3C organization, is based on an extensible markup language (XML), is used for describing a graphics format of two-dimensional vector graphics, and has strong interactivity. The IEC technical commission, work group 13, introduced the IEC61970 family of standards, which stipulate SVG as a standard for graphics interaction.
16. Static topology: the connection relation of the network elements when the feeder line operates normally, and the change of the static topology is represented by the change of the connection relation of the network elements.
17. Dynamic topology: and the running mode of the power grid is changed, and a dynamic power grid combination relation is formed by switching operation of opening and closing of the switch.
18. Standing book matching: distribution transformation and distributed power access points of the power distribution network graph model checking management system correspond to power points of public transformation areas, special transformation users and distributed power users of the marketing service system.
19. Terminal power failure event: and collecting power failure and power restoration events generated by a terminal (including a concentrator).
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
1. The power distribution network graph model checking management system is characterized by comprising:
the system comprises a main distribution integrated graph-model management module, a main distribution integrated graph-model static checking management module, a power distribution network intelligent mapping management module, a main distribution integrated ring network topology analysis checking management module, a main distribution integrated graph-model dynamic checking management module and a visual display output module which are sequentially connected;
the main distribution integrated graph-model management module: the main power distribution network integrated graph model is used for splicing the main power distribution network graph model and the distribution network graph model to form a main power distribution network integrated graph model;
the main distribution integrated graph model static checking management module: performing static checking on a main power grid graph model and a power distribution network graph model in the main power distribution network integrated graph model;
distribution network intelligence becomes management module of drawing a picture: the method is used for automatically generating a power distribution network system diagram;
the main distribution integrated ring network topology analysis check management module: the method is used for carrying out topology checking on a power distribution network system diagram and checking the integrity and accuracy of the integrated looped network path of the main power distribution network;
the main distribution integrated graph model dynamic checking management module: the system is used for dynamically checking the power distribution network system, changing a main distribution network integrated ring network running path of a power grid through specified application operation, storing the main distribution network integrated ring network path after the application operation, and determining whether the main distribution network integrated ring network path corresponding to the application operation is complete and accurate;
visual display output module: and the device is used for outputting checking results of static checking, topological checking and dynamic checking.
2. The power distribution network graph-model checking management system of claim 1, wherein the main distribution integrated graph-model static checking management module performs static checking on the main power distribution network graph model and the power distribution network graph model, and comprises equipment attribute checking and topology connection checking of the main power distribution network and the power distribution network, wherein,
the equipment attribute checking comprises the following steps: checking name numbers, equipment naming formats and equipment parameters of the switches and the lines;
checking the topological connection: comparing the topological connection relation with the equipment connection relation described on the main power grid graph model/the power distribution grid graph model, and checking whether the connection relation is consistent; and checking whether a single radiation line without a transfer path or an isolated electric island device without a power supply exists on the main power grid pattern and the distribution network pattern.
3. The power distribution network graph-model checking management system according to claim 1, wherein the main distribution integrated ring network topology analysis checking management module:
on the main distribution integrated graph model, searching from two sides of a power distribution network interconnection switch to the power supply side, regarding all equipment in every two communicated nodes as a branch until the same power supply with the highest voltage level is searched, comparing with standard interconnection line information, checking whether the line to which the equipment connected with the two ends belongs is the same as a specified line, analyzing whether the path of the main distribution integrated ring network is complete and correct, and outputting the detection result through a visual output module.
4. The power distribution network graph-model verification management system of claim 1, wherein the system further comprises:
the main power distribution network graph model transaction management module: the system is used for comparing the power distribution network graph and the main power network graph which are used for on-site scheduling and are prepared for use after line transformation and implementation, marking the power distribution network graph-model difference and the main power network graph-model difference in the main power distribution network integrated graph-model, outputting the power distribution network graph and the main power network graph which are used for scheduling and are prepared for use after line transformation and implementation through the visual output module, and outputting the power distribution network graph and the main power network graph to the main power distribution integrated graph-model static checking management module.
5. The power distribution network graph-model verification management system of claim 1, wherein the system further comprises:
the main distribution integrated power distribution network system diagram application management module comprises: setting and executing various application operations, including switch position, equipment listing, operation ticket point diagram ticket forming, loop closing load flow calculation and fault research and judgment.
6. The power distribution network graph-model verification management system of claim 1, wherein the system further comprises:
a data management module: receiving, converting, storing and forwarding data;
the data includes: the method comprises the steps of drawing and modeling files of a main network and a distribution network, network structure parameters of the main network and the distribution network and intrinsic parameter data of corresponding equipment of the main network and the distribution network, real-time operation data of the main network and the distribution network, an operation ticket and data of an OMS system power grid equipment power failure request form.
7. The power distribution network graphic model checking management system according to claim 1, wherein a main graphic model in the main distribution integrated graphic model management module is exported from a dispatching automation EMS system, a distribution network graphic model is exported from a GIS/PMS system, exported as CIM and SVG files and stored in the main distribution integrated graphic model management module, XML files of the CIM and the CIM of a main power network are read, and primary equipment, connection points and mutual topological relations of the primary equipment and the connection points of the main distribution network are analyzed.
8. The power distribution graph model checking management method based on the power distribution graph model checking management system is characterized by comprising the following steps:
s1, splicing the main power grid pattern model and the power distribution network pattern model to form a main power distribution network integrated pattern model;
s2, performing static checking on a main power grid pattern model and a power distribution network pattern model in the main power distribution network integrated pattern model;
s3, automatically generating a power distribution network system diagram after the static checking is passed;
s4, carrying out topology checking on the power distribution network system diagram, namely checking the integrity and accuracy of the integrated ring network path of the main power distribution network;
s5, after the topology check of the power distribution network system diagram passes, dynamically checking the power distribution network system, changing a main distribution integrated ring network running path of the power grid based on the specified application operation, storing the main distribution integrated ring network path after the application operation, and determining whether the main distribution integrated ring network path corresponding to the application operation is complete and accurate;
and S6, outputting the dynamic checking data of the power distribution network system by the visual display output module.
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| CN113191746A (en) * | 2021-05-28 | 2021-07-30 | 广东电网有限责任公司 | Method and system for summarizing and analyzing real-time listing information of main network and distribution network |
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| CN114256976A (en) * | 2021-12-09 | 2022-03-29 | 国网江苏省电力有限公司淮安供电分公司 | Anti-misoperation management and control system and method for overall process of distribution network field operation |
| CN114256976B (en) * | 2021-12-09 | 2024-04-30 | 国网江苏省电力有限公司淮安供电分公司 | Distribution network field operation overall process error prevention and control system and error prevention and control method |
| CN115224687A (en) * | 2022-06-13 | 2022-10-21 | 国网四川省电力公司天府新区供电公司 | Power failure overhaul safety checking method and system for power transmission and transformation equipment below 220KV |
| CN115883439A (en) * | 2022-11-25 | 2023-03-31 | 中国联合网络通信集团有限公司 | Network transmission path processing method, device and storage medium |
| CN116886562A (en) * | 2023-07-05 | 2023-10-13 | 国网河北省电力有限公司石家庄供电分公司 | Intelligent acceptance device, method and system for power distribution automation terminal |
| CN116935251A (en) * | 2023-09-18 | 2023-10-24 | 众芯汉创(江苏)科技有限公司 | Unmanned aerial vehicle-based distribution network single line diagram automatic check analysis method and system |
| CN116935251B (en) * | 2023-09-18 | 2023-12-22 | 众芯汉创(江苏)科技有限公司 | Unmanned aerial vehicle-based distribution network single line diagram automatic check analysis method and system |
| CN118394958A (en) * | 2024-06-25 | 2024-07-26 | 安徽网华信息科技有限公司 | Online editing and inquiring method and system for power model of power distribution network |
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