CN103559042A - Method for establishing distribution line loss CIM (common information model) based on IEC61970/61968 - Google Patents
Method for establishing distribution line loss CIM (common information model) based on IEC61970/61968 Download PDFInfo
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Abstract
The invention discloses a method for establishing a distribution line loss CIM based on IEC61970/61968. According to the method, distribution line loss CIM modelling is performed; firstly, information which is required for line loss calculation and comprises topological information, information of a power network model and measuring information is analyzed; and finally, data input and output are finished. The line loss CIM modelling mainly comprises several steps as follows: analyzing a topological CIM; establishing data input and output interface models; establishing the distribution line loss CIM, and expressing theoretical calculation line loss and measuring calculation line loss; adding attributes to new classes extended from the previous two steps; and relating the newly added classes with an original CIM class through inheritance, simple correlation and paradigmatic relation. According to the method, problems about line loss calculation models and data sources are well solved, the interoperability of the system is improved, and a large quantity of manpower and material resources are saved.
Description
Technical field
The invention belongs to Distribution Automation Technology field, relate to a kind of based on IEC61970/IEC61968 standard, set up the CIM model of data interaction interface, the method that realization is calculated Line Loss of Distribution Network System, specifically a kind of method of setting up the Line Loss of Distribution Network System CIM model based on IEC61970/61968.
Background technology
At home, the concept of first-class power distribution network is along with State Grid Corporation of China proposes strong intelligent grid development strategy and occurs.Current, in first-class power distribution network, generally all can dispose many cover automated systems, so realize information and function sharing is more and more important in electric system.But be limited by objective present situation, these systems are still built alone by specialty separately mostly, cannot meet the requirement that intelligent first-class power distribution network business progressively develops to cross integration aspect, need adopt a kind of standard, open integration system framework to solve model and the exchanges data problem between each service application, for the platform that the exploitation of senior application function provides standard, opens in the future, realize " plug and play " of sorts of systems and application.
Common information model (Common Information Model, CIM) be intended to resolution system this data interaction problem and produce.It has described all main objects of electric power enterprise, and those objects relevant with operation power particularly, by providing a kind of standard method that represents electric system resource by object and attribute and the relation between them.CIM is a kind of object-oriented language, has versatility and dirigibility widely, can carry out cutting or expansion according to the application of different system.
Line loss per unit is the important indicator that characterizes electric power enterprise economic benefit and management level.Although in system, line loss system is a lot of at present, mutual difficulty or the very difficult actual motion of throwing in, caused the waste of a large amount of human and material resources each other, and its subject matter one is object model disunity, the 2nd, and Data Source problem is not resolved.Foundation, based on CIM electric quantity data integration platform, can solve object model and Data Source problem in line loss computation process.
Summary of the invention
In order to solve the problems of the technologies described above, the method that the object of this invention is to provide the Line Loss of Distribution Network System CIM model of a kind of foundation based on IEC61970/61968, the method is calculated and the common object model of management and public data-interface by setting up about line loss, can better carry out data interaction, save a large amount of man power and materials.
In order to achieve the above object, the technical solution adopted in the present invention is:
A method for Line Loss of Distribution Network System CIM model based on IEC61970/61968, is characterized in that the method comprises the steps:
The first step, resolves power distribution network CIM topological model;
Power distribution network CIM topological model comprises bus/branch road model, is to form after the connected node at Closing Switch two ends is merged; According to CIM definition, the topological analysis aggregation between node and topological node, topological node and topological island that need to connect; CIM model in topology bag very complete definition topological model and the class that relates to;
Second step, sets up data input/output interface model;
Its interface class comprises: the real time input data interface OutRealTimeDataInterface of the real time input data interface InRealTimeDataInterface class of input real time data, input non-real-time data non real-time input data-interface InNonRealTimeDateInterface class, output real time data, export the non real-time input data-interface OutNonRealTimeDateInterface class of non real-time number;
The 3rd step, the CIM extended model of Line Loss of Distribution Network System;
The class of its foundation comprises: the feature class Line Loss of Distribution Network System DistributionLineLoss class that characterizes Line Loss of Distribution Network System, the Line Loss of Distribution Network System algorithm DistributionLineLossAlgorithm class of Line Loss Calculation method is described, the topology information TopologicalInfo class of each nodal information of power distribution network is described, the measurement information MeaInfo class of power distribution network measuring value is described, the line information LineInfo class of distribution network line information is described, the Line Loss of Distribution Network System rate DistributionLineLossRate class of Line Loss of Distribution Network System rate is described,
The 4th step, for newly-increased class is added attribute;
All classes in second step and the 3rd step are all added to attribute, comprise the attribute-name of interpolation, the data type of attribute codes, attribute;
The 5th step, sets up the incidence relation of line loss model between all kinds of;
Set up the relation between each model; By succession, simple association, paradigmatic relation, all kinds of, associate; Measurement information MeaInfo class, line information LineInfo class, topology information TopologicalInfo class are simply associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System DistributionLineLoss class is inherited the class in electric system resource PowerSystemResource; Line Loss of Distribution Network System algorithm DistributionLineLossAlgorithm class is associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System rate DistributionLineLossRate class is associated with Line Loss of Distribution Network System DistributionLineLoss class.
Compared with prior art, the invention has the beneficial effects as follows along with the raising that distribution network automated degree is required, information integrated with become alternately a requisite ring.The China that is applied in of common information model is in the ground zero stage, and especially also seldom, the present invention has well filled up the blank of common information model in Line Loss Calculation to the CIM model aspect power distribution network, has very large realistic meaning.
The invention solves model problem and Data Source problem that line loss is calculated, improved the interoperability of system, saved a large amount of man power and materials.Its advantage also has the following aspects:
1) simple to operate, interoperability is good.
Common information model is a kind of OO modeling language, uses the Line Loss of Distribution Network System model based on IEC61970/61968, makes the Line Loss of Distribution Network System software of different manufacturers exploitation can well realize interoperability.While also can be reduced the difficulty that is connected with original system, thereby has reduced cost.
2) can realize " plug and play " of Line Loss of Distribution Network System system.
Software based on Line Loss of Distribution Network System CIM model development, can realize " plug and play " take in the system that IEC61970/61968 is standard, has reduced the investment of the point-to-point model conversion of exploitation occurring due to unmatched models.
3) extensibility is strong;
CIM model has very strong expansion, can need to carry out Function Extension according to different service application, also can carry out cutting according to business.
4) strengthen the ability of line Loss Analysis for Power Distribution Network, improved the integrated management level of power distribution network.
Line loss per unit is as the economic benefit of electric power enterprise and the important symbol of management, Line Loss of Distribution Network System CIM model has well solved object model and the Data Source problem in line loss calculating, greatly improve line loss computational accuracy and the analysis ability of distribution system, to reducing line loss, there is very large directive function.
Accompanying drawing explanation
Fig. 1 is the Line Loss of Distribution Network System CIM process flow diagram that the present invention sets up.
Fig. 2 is the power distribution network topological model figure in the present invention.
Fig. 3 is the inputoutput data interface schema in the present invention.
Fig. 4 is the Line Loss of Distribution Network System CIM illustraton of model in the present invention.
Embodiment
A method for Line Loss of Distribution Network System CIM model based on IEC61970/61968, its step is as follows:
The first step, resolves power distribution network CIM topological model, obtains the topological structure of power distribution network.
Power distribution network is carried out to trend calculating and line loss calculating, must first know its topological structure.The topological model of distribution network is the basis of network analysis applications, generally refers to bus/branch road (Bus/Branch) model, is to form after the connected node at Closing Switch two ends is merged.According to CIM definition, the topological analysis aggregation between node and topological node, topological node and topological island that need to connect.CIM model in Topology bag very complete definition topological model and the class that relates to, as shown in Figure 1.
Topological bag (Topology) and core bag (Core) have wherein been related generally to.5 important classes have been comprised: topological node class (TopologicalNode), topological island class (Topologicallsland), conductive equipment class (ConductingEquipment), end points class (Terminal) and connected node class (ConnectivityNode).Wherein, end points class (Terminal) represents that conductive equipment is connected to the electric interfaces in electric system, and each end points belongs to a concrete conductive equipment.Meanwhile, each end points must be connected on a connected node in principle, and each connected node is another, surely belongs to a topological node.
Be illustrated in figure 2 electric system CIM topological model.
Power distribution network topological model comprises static model and dynamic model.
Link node ConnectivityNode is illustrated in conductive equipment on these aspects and links together by zero impedance, expression be the static model of node-switch.
Topological node TopologicalNode refers to the one group of junction nodes linking together by Closing Switch under current network state, and it can change along with the variation of current network state, expression be the dynamic model of bus-branch road.
Second step, sets up data-interface, inputoutput data information.
The information interface of power distribution network comprises non-real-time data interface, real time data interface.
Electric network model data mainly comprise that the electric information of power circuit, transformer etc. belongs to non-real-time data information, and its perfect electric network model data can be provided by EMS.Adopt RDF Schema format file to be input in line loss system.
Real time data information spinner will comprise the measuring amount such as line voltage distribution, electric current, active power, reactive power, mainly from measurement system.
Set up real time input data interface InRealTimeDataInterface input real time data.
Set up non real-time input data-interface InNonRealTimeDateInterface input non-real-time data.
Set up real time output data interface InRealTimeDataInterface output real time data.
Set up non real-time output data-interface InNonRealTimeDateInterface output non-real-time data.
Above-mentioned data-interface class is set up in ENTERPRISE ARCHTECT, sets up input data-interface DataInput and DataOutput, and real time data interface class and non-real-time data interface class are from DataInput and DataOutput inherited attribute.
Set up as shown in Figure 3 data input/output interface.
1) set up data input DataInput class, data output DataOutput class, represents respectively the common class that data input and data are exported, and they all inherit the class in electric system resource PowerSystemResource.
2) data-interface is divided into real time data interface and non-real-time data interface, Data Input Interface, output data-interface are set up respectively in real time and non-real-time data interface to real time input data interface InRealTimeDataInterface class, non real-time input data-interface InNonRealTimeDateInterface class.Input data-interface is inherited DataInput class, and output data-interface is inherited DataOutput class.
The 3rd step, the CIM extended model of Line Loss of Distribution Network System.
The process of Line Loss Calculation is to receive the data that collect from measurement system, according to topological model, resolves topological structure, carries out the network loss of power distribution network calculate by algorithm.
The line loss computational algorithm of power distribution network comprises: rms current method, average current method, maximum current method, substitutional resistance method, loss of voltage method etc.
1) set up Line Loss of Distribution Network System DistributionLineLoss class, comprise its attribute, data type.Its public attribute comprises computational algorithm, measurement information, line information, topology information etc.
2) set up line loss algorithm LineLossAlgorithm class, various algorithms are decided to be attribute, and its data type is boolean type.
3) set up topology information TopologicalInfo class, measurement information MeaInfo class, line information LineInfo class measurement information and the electric network model information of descriptive system respectively, with DistributionLineLoss be incidence relation.
4) set up Line Loss of Distribution Network System rate DistributionLineLossRate, for representation theory, calculate line loss per unit and measure line loss per unit.
To various types of, by succession, association, paradigmatic relation, associate.Measurement information MeaInfo class, line information LineInfo class, topology information TopologicalInfo class are simply associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System DistributionLineLoss class is inherited the class in electric system resource PowerSystemResource; Line loss algorithm DistributionLineLossAlgorithm class is associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System rate DistributionLineLossRate class is associated with Line Loss of Distribution Network System DistributionLineLoss class.
Relation between the above-mentioned class of using determined subordinate relation between all kinds of and all kinds of between information flow.
Inheritance a: class is inherited all properties and the relation of another class, and increase new attribute for subclass
Simple incidence relation: the fixed relationship of a class and another class is the strong dependence of non-contingency, exists information flow between two classes.
Paradigmatic relation a: class is another kind of ingredient.
The 4th step, adds attribute to newly-increased class, makes it meet the requirement that line loss is calculated each side function.
According to the concrete function of the requirement of the 3rd step, for each class increases its build-in attribute.
The step that the present invention sets up new class is as follows:
1) function and the data of the requirement of analytical applications and needs thereof;
2) according to analysis, set up relevant class, first enumerate out;
3) according to the function completing of the entrained information of class or needs, be that it adds attribute;
4) last, be all kinds of interpolation incidence relations;
Set up as shown in Figure 4 Line Loss of Distribution Network System model.
1) set up Line Loss of Distribution Network System DistributionLineLoss class, characterize the main information of Line Loss Calculation.Be the core classes of Line Loss of Distribution Network System CIM model, its inheritance of attribute is in electric system resource PowerSystemResource.
2) distribution line loss is calculated needed data and is mainly comprised three aspects, and the one, the topology information of power distribution network, from the topology of power distribution network; The 2nd, the metrical information of power distribution network, from measurement system (as SCADA); The 3rd, electricity distribution network model supplemental characteristic is Distribution Network Equipment model (as distribution line model, transformer model), from EMS etc.
On Line Loss of Distribution Network System DistributionLineLoss class basis, continue expansion topology information TopologicalInfo class, measurement information MeaInfo class, three classes of line information LineInfo class.
3) Line Loss Calculation comprises theory wire loss and measures calculating line loss, two kinds of line losses are all important parameter amounts for the calculating of Line Loss of Distribution Network System, set up Line Loss of Distribution Network System rate DistributionLineLossRate class, represent the line loss per unit that two kinds of diverse ways obtain.
4), according to all kinds of completed function, be all kinds of interpolation attributes.
Line Loss of Distribution Network System algorithm DistributionLineLossAlgorithm generic attribute table, in Table 1.
Table 1
Line Loss of Distribution Network System rate DistributionLineLossRate generic attribute table, in Table 2.
Table 2
| Title | Code | Attribute |
| Theoretical line loss per unit/the TheoryLineRate that calculates | TheoryLineRate | float |
| Measure and calculate line loss per unit/MeaLineLossRate | MeaLineLossRate | float |
Line Loss of Distribution Network System DistributionLineLoss generic attribute table, in Table 3.
Table 3
Topology information TopologicalInfo generic attribute table, in Table 4.
Table 4
| Title | Code | Attribute |
| Node type/NodeType | NodeType | NodeType |
| Nodes/NumberOfNode | NumberOfNode | int |
| Upstream branch road/UpBranch | UpBranch | Number |
| Downstream leg/DownBranch | DownBranch | Number |
Measurement information MeaInfo generic attribute table, in Table 5.
Table 5
| Title | Code | Attribute |
| Gauge point numbering/MeaNumber | MeaNumber | Number |
| Measuring value/MeaValue | MeaValue | Matrix |
| Measurement information type/MeaType | MeaType | MeaType |
Line information LineInfo generic attribute table, in Table 6.
Table 6
| Title | Code | Attribute |
| Endpoint node numbering/EndNodeNumber | EndNodeNumber | Number |
| Headend node numbering/HeadNodeNumber | HeadNodeNumber | Number |
| Circuit number/LineNumber | LineNumber | Number |
| Circuit types/LineType | LineType | LineType |
The 5th step, all kinds of by inheriting, simple associated, polymerization sets up relation.
To various types of, by succession, association, paradigmatic relation, associate.Measurement information MeaInfo class, line information LineInfo class, topology information TopologicalInfo class are simply associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System DistributionLineLoss class is inherited the class in electric system resource PowerSystemResource; Line loss algorithm DistributionLineLossAlgorithm class is associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System rate DistributionLineLossRate class is associated with Line Loss of Distribution Network System DistributionLineLoss class.
Claims (3)
1. a method for the Line Loss of Distribution Network System CIM model of foundation based on IEC61970/61968, is characterized in that the method comprises the steps:
The first step, resolves power distribution network CIM topological model;
Power distribution network CIM topological model comprises bus/branch road model, is to form after the connected node at Closing Switch two ends is merged; According to CIM definition, the topological analysis aggregation between node and topological node, topological node and topological island that need to connect; CIM model in topology bag very complete definition topological model and the class that relates to;
Second step, sets up data input/output interface model;
Its interface class comprises: the real time input data interface OutRealTimeDataInterface of the real time input data interface InRealTimeDataInterface class of input real time data, input non-real-time data non real-time input data-interface InNonRealTimeDateInterface class, output real time data, export the non real-time input data-interface OutNonRealTimeDateInterface class of non real-time number;
The 3rd step, the CIM extended model of Line Loss of Distribution Network System;
The class of its foundation comprises: the feature class Line Loss of Distribution Network System DistributionLineLoss class that characterizes Line Loss of Distribution Network System, the Line Loss of Distribution Network System algorithm DistributionLineLossAlgorithm class of Line Loss Calculation method is described, the topology information TopologicalInfo class of each nodal information of power distribution network is described, the measurement information MeaInfo class of power distribution network measuring value is described, the line information LineInfo class of distribution network line information is described, the Line Loss of Distribution Network System rate DistributionLineLossRate class of Line Loss of Distribution Network System rate is described,
The 4th step, for newly-increased class is added attribute;
All classes in second step and the 3rd step are all added to attribute, comprise the attribute-name of interpolation, the data type of attribute codes, attribute;
The 5th step, sets up the incidence relation of line loss model between all kinds of;
Set up the relation between each model; By succession, simple association, paradigmatic relation, all kinds of, associate; Measurement information MeaInfo class, line information LineInfo class, topology information TopologicalInfo class are simply associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System DistributionLineLoss class is inherited the class in electric system resource PowerSystemResource; Line Loss of Distribution Network System algorithm DistributionLineLossAlgorithm class is associated with Line Loss of Distribution Network System DistributionLineLoss class; Line Loss of Distribution Network System rate DistributionLineLossRate class is associated with Line Loss of Distribution Network System DistributionLineLoss class.
2. the method for the Line Loss of Distribution Network System CIM model of foundation according to claim 1 based on IEC61970/61968, is characterized in that: in the first step, relate to topology bag and core bag; Comprise 5 important classes: topological node class, topological island class, conductive equipment class, end points class and connected node class; Wherein: end points class represents that conductive equipment is connected to the electric interfaces in electric system, and each end points belongs to a concrete conductive equipment; Meanwhile, each end points must be connected on a connected node in principle, and each connected node is another, surely belongs to a topological node.
3. the method for the Line Loss of Distribution Network System CIM model of foundation according to claim 1 based on IEC61970/61968, it is characterized in that: in the 3rd step about Line Loss of Distribution Network System rate, its attribute can represent the line loss calculated value of power distribution network, has again attribute to represent the measurement calculated value of Line Loss of Distribution Network System.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104123478A (en) * | 2014-08-20 | 2014-10-29 | 国家电网公司 | Fast topology analysis method based on general information model |
| CN104201669A (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | Distribution network call circuit line loss statistical technology based on distribution network thematic map switch setting |
| CN104239428A (en) * | 2014-08-26 | 2014-12-24 | 国家电网公司 | IEC61970 (international electrotechnical commission 61970) CIM (common information model) data query access method |
| CN105022874A (en) * | 2015-07-09 | 2015-11-04 | 国网山东省电力公司电力科学研究院 | Digital simulation automatic modeling method and system for power distribution network |
| CN106202832A (en) * | 2016-08-10 | 2016-12-07 | 全球能源互联网研究院 | A kind of common information model construction method for quality of power supply economic evaluation |
| CN105046590B (en) * | 2015-08-21 | 2018-06-29 | 国家电网公司 | A kind of method for being extended modeling and alarm to feeder automation function based on IEC61968CIM |
| CN109272248A (en) * | 2018-10-10 | 2019-01-25 | 上海方融科技有限责任公司 | A kind of comprehensive energy integration e-CIM design methods based on metadata |
| CN109308389A (en) * | 2018-09-20 | 2019-02-05 | 南京南瑞继保电气有限公司 | Subway DC Traction modeling method based on CIM extended model |
| CN112507499A (en) * | 2020-12-02 | 2021-03-16 | 广东电网有限责任公司 | GIS-based power distribution network line loss data acquisition method and related device |
| CN117272563A (en) * | 2023-09-25 | 2023-12-22 | 上海能优网电力科技有限公司 | Power distribution network information physical twin modeling method and system based on fusion flow model |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130297241A1 (en) * | 2012-05-02 | 2013-11-07 | International Business Machines Corporation | Estimating Loss Rates of Links in Smart Grids |
-
2013
- 2013-11-20 CN CN201310582877.1A patent/CN103559042B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130297241A1 (en) * | 2012-05-02 | 2013-11-07 | International Business Machines Corporation | Estimating Loss Rates of Links in Smart Grids |
Non-Patent Citations (3)
| Title |
|---|
| 崔巍，等: "基于IE061970／61968电网模型构建和整合", 《电力系统保护与控制》 * |
| 张敬，等: "基于CIM模型扩展的配电网线损计算", 《2008江苏省自动化学会学术年会论文集》 * |
| 杨萌: "基于CIM模型企业电网分析平台数据库及数据接口研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
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| CN104123478A (en) * | 2014-08-20 | 2014-10-29 | 国家电网公司 | Fast topology analysis method based on general information model |
| CN104201669A (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | Distribution network call circuit line loss statistical technology based on distribution network thematic map switch setting |
| CN104239428A (en) * | 2014-08-26 | 2014-12-24 | 国家电网公司 | IEC61970 (international electrotechnical commission 61970) CIM (common information model) data query access method |
| CN105022874B (en) * | 2015-07-09 | 2018-01-19 | 国网山东省电力公司电力科学研究院 | A kind of power distribution network Digital Simulation method for automatic modeling and system |
| CN105022874A (en) * | 2015-07-09 | 2015-11-04 | 国网山东省电力公司电力科学研究院 | Digital simulation automatic modeling method and system for power distribution network |
| CN105046590B (en) * | 2015-08-21 | 2018-06-29 | 国家电网公司 | A kind of method for being extended modeling and alarm to feeder automation function based on IEC61968CIM |
| CN106202832A (en) * | 2016-08-10 | 2016-12-07 | 全球能源互联网研究院 | A kind of common information model construction method for quality of power supply economic evaluation |
| CN109308389A (en) * | 2018-09-20 | 2019-02-05 | 南京南瑞继保电气有限公司 | Subway DC Traction modeling method based on CIM extended model |
| CN109272248A (en) * | 2018-10-10 | 2019-01-25 | 上海方融科技有限责任公司 | A kind of comprehensive energy integration e-CIM design methods based on metadata |
| CN109272248B (en) * | 2018-10-10 | 2022-01-11 | 上海方融科技有限责任公司 | Comprehensive energy integration e-CIM model design method based on metadata |
| CN112507499A (en) * | 2020-12-02 | 2021-03-16 | 广东电网有限责任公司 | GIS-based power distribution network line loss data acquisition method and related device |
| CN112507499B (en) * | 2020-12-02 | 2024-01-23 | 广东电网有限责任公司 | GIS-based power distribution network line loss data acquisition method and related device |
| CN117272563A (en) * | 2023-09-25 | 2023-12-22 | 上海能优网电力科技有限公司 | Power distribution network information physical twin modeling method and system based on fusion flow model |
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