CN102957204B - Intelligent simulation method and system of power distribution network terminal - Google Patents
Intelligent simulation method and system of power distribution network terminal Download PDFInfo
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- CN102957204B CN102957204B CN201210027715.7A CN201210027715A CN102957204B CN 102957204 B CN102957204 B CN 102957204B CN 201210027715 A CN201210027715 A CN 201210027715A CN 102957204 B CN102957204 B CN 102957204B
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- 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
Abstract
The invention is applicable to the technical field of automation of a power distribution network and provides an intelligent simulation method and system of a power distribution network terminal. The method comprises the following steps of: leading out a model established by a main station according to an IEC61970 standard with a feed line capacitor type, and a CIM (Common Information Model) format in advance; leading in and analyzing led-out CIM format data and establishing an equipment data object; establishing a real-time data set; receiving a simulated power grid operation manner appointed by a user; establishing a power grid topology connection relation and analyzing primary equipment, a corresponding relation between an information point of the primary equipment and configuration information of a power distribution terminal, and configuration information of a remote control point, so as to carry out remote signaling and remote measuring grouping; and carrying out charged analysis on the power distribution network according to the configuration information and initial information of the power distribution terminal; and generating corresponding data according to a charged analysis result to be provided for a main station. The invention provides an effective method for testing and identifying the accuracy and the adaptability of a main station feed line automation function.
Description
Technical field
The invention belongs to distribution network automated technical field, relate in particular to a kind of Intelligent Simulation Method and system of power distribution network terminal.
Background technology
Along with country constantly increases the input of power distribution network Process of Information, power distribution automation has welcome unprecedented opportunity to develop.Due to the development of the communication technology, distribution communication condition progressively improves, and from the Distribution Automation Technology directive/guide of national grid and south electric network appearance, the scheme that adopts main website mode to realize feeder automation is recommended at present.
The basis that main website mode realizes feeder automation is that distribution terminal can be by the remote signalling of collection, telemetry by giving main website on communication network, main website can issue control command to distribution terminal by communication network, thereby feeder line block switch is carried out to deciliter control, realize the functions such as Fault Isolation, service restoration, load transfer, reach the requirement that improves distribution network reliability.
Main website feeder automation function is by obtaining from SCADA server the fault message that each distribution terminal send.Then search for according to the topological structure of power distribution network, judge abort situation, thereby determine the demarcation switch set of isolated fault; Complete after Fault Isolation, determine optimum service restoration scheme according to the topological structure of power distribution network rack, capacity and load condition, scheme completes service restoration after carrying out.
In order to test, verify correctness and the adaptability of main website feeder automation function, need real data as support.If there is actual track to leave nothing to be desired, but be in fact difficult to such condition; Feeder automation simultaneously need to adapt to various grid structure, if with actual track, arrange a lot of actual scenes to carry out validation test with regard to needing, this is obviously very unrealistic.
In sum, prior art lacks correctness and the adaptive effective ways of a kind of test, checking main website feeder automation function.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of Intelligent Simulation Method of power distribution network terminal, is intended to solve prior art and lacks a kind of test, the correctness of checking main website feeder automation function and the problem of adaptive effective ways.
The embodiment of the present invention is achieved in that a kind of Intelligent Simulation Method of power distribution network terminal, comprising:
Derive in advance the model of main website modeling according to the IEC61970 standard C IM model format that has increased feeder line Container Type;
Import and resolve derived CIM model format data, create device data object;
According to the device data object creating, set up real time data set;
Receive the specified simulating grid operational mode of user;
According to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping;
According to the configuration information of distribution terminal and initial information, distribution network is with to electroanalysis.
Generate corresponding data according to band electrical analysis result, offer main website.
The embodiment of the present invention also provides a kind of Intelligent Simulation System of power distribution network terminal, comprising:
Lead-out unit, for deriving in advance the model of main website modeling according to the IEC61970 standard C IM model format that has increased feeder line Container Type;
Import unit, for importing and resolve derived CIM model format data, create device data object;
Real time data aggregation units, for according to the device data object creating, sets up real time data set;
Receiving element, for receiving the specified simulating grid operational mode of user;
The first analytic unit, be used for according to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping;
The second analytic unit, for being with electroanalysis according to the configuration information of distribution terminal and initial information to distribution network;
Unit is provided, for generating corresponding data according to band electrical analysis result, offers main website.
The embodiment of the present invention compared with prior art, beneficial effect is: by using the model identical with main website, receive the specified simulating grid operational mode of user and automatically generate corresponding data past main website, thereby reach and need not build actual track, need not dispose actual distribution terminal and just can test, debug master function, for correctness and the adaptability of test, checking main website feeder automation function provide a kind of effective method.
Brief description of the drawings
Fig. 1 is the flow chart of the Intelligent Simulation Method of the power distribution network terminal that provides of the embodiment of the present invention;
Fig. 2 is the functional block diagram that the embodiment of the present invention provides;
Fig. 3 is the structured flowchart of the Intelligent Simulation System of the power distribution network terminal that provides of the embodiment of the present invention;
Fig. 4 is the Application Scenarios-Example figure of the Intelligent Simulation System of the power distribution network terminal that provides of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In the embodiment of the present invention, by using the model identical with main website, receive the specified simulating grid operational mode of user and automatically generate corresponding data past main website, thereby reach and need not build actual track, need not dispose actual distribution terminal and just can test, debug master function, for correctness and the adaptability of test, checking main website feeder automation function provide a kind of effective method.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of Intelligent Simulation Method of power distribution network terminal, comprising:
Step S101, derives the model of main website modeling in advance according to the IEC61970 standard C IM model format that has increased feeder line Container Type.
By above-mentioned steps, can reach the object using with the identical electrical network primary equipment model of main website and secondary device model.The model of main website modeling of deriving according to the IEC61970 standard that has increased feeder line (Feeder) Container Type in this step, comprises the incidence relation between topological connection relation and primary equipment and the secondary device of power distribution network.
The IEC61970 standard using in this step is the extension standards that has increased feeder line (Feeder) Container Type, can facilitate trend to calculate and carry out according to branch road, simplifies trend computational process, improves computational speed; Simultaneously convenient is that unit determines service restoration scheme, load transfer scheme according to feeder line; The also convenient topology search that carries out taking feeder line as unit.When modeling, distribution terminal is just configured according to the type of protective device.
Step S102, imports and resolves derived CIM model format data, creates device data object
In embodiments of the present invention, step S102 is further comprising the steps of: the correctness of the data that checking is resolved.
In this step, can complete by a CIM model importing module 201 above-mentioned functions of this step.
CIM model imports module 201, can load to XML file, then carry out XML syntactic analysis, IEC-61970 inspection, extraction equipment object and equipment end points (Terminal), tie point (ConnectivityNode) etc. again, finally be sent to the real time data collection modules 202 in step S103.
Wherein, device data object can comprise primary equipment data object and secondary device data object.
Step S103, according to the device data object creating, sets up real time data set.
In this step, can complete by a real time data collection modules 202 above-mentioned functions of this step, real time data collection modules 202 be equivalent to electrical network once with the container of secondary model object, safeguard operation of power networks data.This container is connection relation information between the equipment such as service equipment end points (Terminal) and tie point (ConnectivityNode) also.Real time data collection modules 202 externally provides the access interface of device object, packet, data point, equipment end points, tie point, topology operation etc.Real time data collection modules 202 is exactly " mirror image " of actual electric network equipment running status in fact.
Real time data collection modules 202, can import the data that module 201 provides to CIM model, Object Management group combination, data packet assembly, set of data points, topological Pointcut and topological logic information are externally provided, and corresponding object accesses interface, packet access interface, data point access interface, topological tie point access interface and topological logic message reference interface are provided.
Step S104, receives the specified simulating grid operational mode of user.
In an embodiment of the present invention, before this step, can also comprise the following steps:
Show Net Frame of Electric Network winding diagram, show current simulating grid operational mode and state, and provide to user the interface that changes simulating grid operational mode.
In embodiments of the present invention, can be used as providing to user by a personal-machine interface HMI module 203 interface of simulating grid operational mode, to realize the above-mentioned functions of this step.
This Human machine interface module 203, for showing Net Frame of Electric Network winding diagram, showing current simulating grid operational mode and state, and provides the interface that changes simulating grid operational mode to user, as in specified point simulated failure, excision fault, restore electricity etc.; Some other configuration interfaces are also provided.Wherein the kind of simulated failure can comprise: the faults such as three-phase ground short circuit, two phase ground short circuit, two-phase phase fault and single-line to ground fault.Can select the neutral grounding mode of power distribution network: earth-free, through grounding through arc or through several situations of low resistance grounding.
By this Human machine interface module 203, the person of being convenient to operation is observed and is operated.
Step S105, according to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping.
In this step, can calculate the topological connection relation of setting up between electrical network primary equipment by topological analysis module 204.Topological analysis module 204 is analyzed specifically for bus analysis and electric island.Wherein, the node set that Closing Switch is linked together is defined as a bus, and in the bus analysis phase, node correspondence the summit of figure, the limit that closed switch correspondence figure; It is that the bus sets definition that circuit and transformer are linked together is one " island " that electric island is analyzed.Island is divided into " dead island " and " island of living ": " dead island " corresponding the power failure part of electrical network, " island of living " correspondence the live part of electrical network.It is all the ergodic process of connected graph in fact that bus analysis and island are analyzed.After power system operating mode changes, just need topological analysis module 204 to carry out topology search, this module topological analysis algorithm is that the depth-first search mode of employing figure realizes.
In this step, described primary equipment can comprise feeder line outlet switch, block switch, interconnection switch, circuit etc.
Step S106, is with electroanalysis according to the configuration information of distribution terminal and initial information to distribution network.
This step can realize by a charged analysis module 205, these charged analysis module 205 homeomorphism analysis modules 204 are mutual, according to the position of power distribution and switch, analyze power distribution network charging zone and equipment, determine charging zone and power supply interrupted district, be with electroanalysis.
Step S107, generates corresponding data according to band electrical analysis result, offers main website.
This step specifically comprises:
According to the incidence relation between primary equipment and secondary device, generate corresponding data according to band electrical analysis result, offer main website.
In the invention process, can realize in this step according to the incidence relation between primary equipment and secondary device, according to the corresponding function that generates corresponding data with electrical analysis result by operation emulation module 206.Realize the corresponding function that offers main website in this step by stipulations module.
In embodiments of the present invention, operation emulation module 206, specifically for the simulating grid operational mode of specifying according to user in Human machine interface module 203, carrying out topological analysis and data calculates, be created on each collection point data value under this operational mode according to the incidence relation between primary equipment and secondary device, submit to stipulations module.And support primary equipment analog telecommand to operate.Neutral grounding mode, short-circuit-type and the short dot position of the power distribution network providing according to Human machine interface module 203 are as the left side of section breaker or right side; adopt topological analysis searching algorithm to find out the primary equipment path that short circuit current flows through; the feature that belongs to small current neutral grounding system with the incidence relation of section breaker and power distribution network according to distribution terminal generates fault simulation data; these data correspond to the collection point of distribution terminal; the dot generation enabling signal that simultaneously also will give distribution terminal defencive function, produces fault-signal.Remote signalling information, telemetry intelligence (TELINT) and SOE information are handed in stipulations module and are given main website after producing.
Stipulations module, specifically for carrying out data interaction between same main website, comprises that the data of upstream data group bag and reception unpack.Upstream data refers to operation of power networks image data and the secondary device data that operation emulation module 206 provides.The packet receiving is mainly that order and guidance command etc. are always called by main website.
In one embodiment of the invention, also can comprise a communication module, for carrying out data delivery between same main website, wait for that as substation role (the service end role of C/S structure) main website initiates to connect, adopt Transmission Control Protocol.
In one embodiment of the invention, described method is further comprising the steps of:
Remote signalling displacement (supporting SOE event) in the unit interval that reception user specifies or the quantity of telemetry intelligence (TELINT), produce pressure testing data, and offer main website, main website is carried out to a progressive test.
In this step, can by Human machine interface module 203 receive user specify unit interval in remote signalling displacement or the quantity of telemetry intelligence (TELINT).Wherein the unit interval can be second.When after user's starting pressure testing process, emulation distribution terminal just provides pressure data according to the intensity of pressure of configuration.
Refer to Fig. 3, the embodiment of the present invention also provides a kind of Intelligent Simulation System of power distribution network terminal, comprising:
Lead-out unit 301, for deriving in advance the model of main website modeling according to the IEC61970 standard C IM model format that has increased feeder line Container Type.
The model of the main website modeling of deriving in embodiments of the present invention, comprises the incidence relation between topological connection relation and primary equipment and the secondary device of power distribution network.
Import unit 302, for importing and resolve derived CIM model format data, create device data object.
In embodiments of the present invention, described device data object comprises primary equipment data object and secondary device data object.
Real time data aggregation units 303, for according to the device data object creating, sets up real time data set.
Receiving element 304, for receiving the specified simulating grid operational mode of user.
In embodiments of the present invention, described receiving element 304 comprises:
Human machine interface module 203, for showing Net Frame of Electric Network winding diagram, current simulating grid operational mode and state, and provides the interface that changes simulating grid operational mode to user.
The first analytic unit 305, be used for according to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping.
In embodiments of the present invention, described primary equipment comprises feeder line outlet switch, block switch, interconnection switch and circuit.
The second analytic unit 306, for being with electroanalysis according to the configuration information of distribution terminal and initial information to distribution network.
Unit 307 is provided, for generating corresponding data according to band electrical analysis result, offers main website.
Certainly, the description of some concrete schemes in said method all can be applied in this system accordingly, does not repeat them here.
Refer to Fig. 4, illustrate the deployed position in application of Intelligent Simulation System of power distribution network terminal, the Intelligent Simulation Method of this power distribution network terminal and system may operate on a PC, configure after the listening port of distribution terminal, main website server can be initiated TCP to distribution terminal and be connected, and main website adopts IEC104 communication protocol with the data interaction between substation.
Intelligent Simulation Method and the system of the power distribution network terminal of the embodiment of the present invention, by using the model identical with main website, receive the specified simulating grid operational mode of user and automatically generate corresponding data past main website, thereby reach and need not build actual track, need not dispose actual distribution terminal and just can test, debug master function, for correctness and the adaptability of test, checking main website feeder automation function provide a kind of effective method.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an Intelligent Simulation Method for power distribution network terminal, is characterized in that, comprising:
Derive in advance the model of main website modeling according to IEC61970 standard C IM model format;
Import and resolve derived CIM model format data, create device data object;
According to the device data object creating, set up real time data set;
Receive the specified simulating grid operational mode of user;
According to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping;
According to the configuration information of distribution terminal and initial information, distribution network is with to electroanalysis;
Generate corresponding data according to band electrical analysis result, offer main website;
The model of the main website modeling of wherein, deriving comprises the incidence relation between topological connection relation and primary equipment and the secondary device of power distribution network.
2. the method for claim 1, is characterized in that, described device data object comprises primary equipment data object and secondary device data object.
3. the method for claim 1, is characterized in that, before the described step that receives the specified simulating grid operational mode of user, also comprises:
Show Net Frame of Electric Network winding diagram, current simulating grid operational mode and state, and the interface that changes simulating grid operational mode is provided to user.
4. the method for claim 1, is characterized in that, described primary equipment comprises feeder line outlet switch, block switch, interconnection switch and circuit.
5. an Intelligent Simulation System for power distribution network terminal, is characterized in that, comprising:
Lead-out unit, for deriving in advance the model of main website modeling according to IEC61970 standard C IM model format;
Import unit, for importing and resolve derived CIM model format data, create device data object;
Real time data aggregation units, for according to the device data object creating, sets up real time data set;
Receiving element, for receiving the specified simulating grid operational mode of user;
The first analytic unit, be used for according to specified simulating grid operational mode, set up power network topology annexation, analyze the information point of primary equipment, primary equipment with the configuration information of the corresponding relation between the configuration information of distribution terminal and remote controlled point, to carry out remote signalling and remote measurement grouping;
The second analytic unit, for being with electroanalysis according to the configuration information of distribution terminal and initial information to distribution network;
Unit is provided, for generating corresponding data according to band electrical analysis result, offers main website;
The model of the main website modeling of wherein, deriving comprises the incidence relation between topological connection relation and primary equipment and the secondary device of power distribution network.
6. system as claimed in claim 5, is characterized in that, described device data object comprises primary equipment data object and secondary device data object.
7. system as claimed in claim 5, is characterized in that, described receiving element comprises:
Human machine interface module, for showing Net Frame of Electric Network winding diagram, current simulating grid operational mode and state, and provides the interface that changes simulating grid operational mode to user.
8. system as claimed in claim 5, is characterized in that, described primary equipment comprises feeder line outlet switch, block switch, interconnection switch and circuit.
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