CN105389666A - Distribution network model topology connectivity verification method - Google Patents
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Abstract
The invention discloses a distribution network model topology connectivity verification method. The method comprises two aspects, the first including extracting a single line model through a distribution network feeder hierarchical relation, then clustering based on the connectivity of nodes, generating various connected clustering islands, and then determining the distance among the islands so as to preliminarily determine the connectivity of the single line model; and the second including extracting a single line model through a topological relation, then performing generalized dotted line graphic layout, generating a visualized distribution network topological graph, assisting in determining the model connectivity, or readjusting model extraction conditions, performing model re-extraction and re-layout, and conducting comparative analysis of the single line model connectivity. Based on the objective situation in the application of a distribution network model, the method is used for comparative analysis of the topological boundary and internal connectivity of the single feeder model from the two aspects of the hierarchical and topological relations, and provides calibration means for related applications based on the correctness of a topological model.
Description
Technical field
The invention belongs to electrical power distribution automatization system technical field, be specifically related to distribution network model topology connectivity inspection method.
Background technology
Electricity distribution network model is electric power digital abstractdesription, describes account and the topological connection relation of true electrical equipment, is the basic model data of power system computation, analysis, emulation.Distribution network model topology connectivity quality is the foundation stone of each service application, therefore guarantees that the topological relation of distribution network model is correctly the committed step of electric system Construction and operation.
In distribution field, unit feeder artwork (figure and model) is the elementary cell of carrying out message exchange between different business systems.Current system information is integrated more and more frequent, and particularly lack corresponding Means of Ensuring to the GIS artwork imported in electrical power distribution automatization system, how total evaluation distribution network systems model connectedness is a problem urgently to be resolved hurrily.Different from distribution figure, model data is generally directly perceived not, is difficult to the artificial Topology connection situation directly judging inside; On the other hand, determine also to be difficult to accurately define to the border of unit feeder model, particularly the inaccurate situation of the contact featured configuration of engineer applied breaker in middle.Such as because two feeder lines are got in touch with each other, a part of feeder line content " mistake " may import in another feeder line when artwork imports, and causes " overlap " phenomenon, and how right area divides mutual border to be a difficult point.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of distribution network model topology connectivity inspection method, reach the target that auxiliary electrical automation maintainer checks the connective quality work of distribution network model, solve rely on the efficiency of hand inspection distribution network model topology connectivity situation low, easily make mistakes, the problem such as directly perceived, difficulty is large, for the practicality meeting distribution automation O&M and electric power analysis service application provides technical guarantee.
The technical solution used in the present invention is:
A kind of distribution network model topology connectivity method of calibration, for verifying the connectedness of electricity distribution network model, described method comprises to be analyzed based on Hierarchical clustering analysis with based on topological model extraction;
Describedly based on Hierarchical clustering analysis be: after extracting single-line model by the feeder line hierarchical relationship of described electricity distribution network model, carry out cluster analysis, thus tentatively determine the connectedness of feeder line entirety;
Describedly extract analysis based on topological model and be: after extracting single-line model by the feeder line topological relation of described electricity distribution network model according to decimation rule, generate distribution topological diagram, thus according to the connectedness of described distribution topological diagram assistant analysis feeder line entirety or revise described single-line model decimation rule after regenerate distribution topological diagram and carry out assistant analysis.
Described based in Hierarchical clustering analysis, carry out cluster analysis and obtain several cluster islands, situation cluster island quantity being greater than to 1 carries out breadth-first search, tentatively determines the connectedness of feeder line entirety according to the quantity on described cluster island and the bee-line described in each between cluster island.
Preferably, described cluster island is divided into the main island comprising root feeder line section or power supply and do not comprise root feeder line section and power supply from island, according to described in each from island to described main island bee-line and tentatively determine the connectedness of feeder line entirety.
Described based in topological model extraction analysis, generate described distribution topological diagram based on general place-and-route algorithm.
Preferably, described place-and-route algorithm adopts elastic force placement algorithm.
Described decimation rule comprises
Initial rule: specified node number, select feeder line object;
Search rule: the normal fortune side carried out according to switch contact type topology, according to the real-time remote signalling of switch topological carry out real-time fortune side, the appointment maximum search degree of depth maximum step;
Termination rules: specify major network node, non-circuit station institute.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. method provided by the invention, the mode combined by hierarchical relationship cluster analysis and topology search set analysis, verifies topology connectivity mutually, checks inner topology and divides reasonable unit feeder border, effectively auxiliary distribution artwork check work;
2. method provided by the invention, efficiently solve rely on the efficiency of hand inspection distribution network model topology connectivity situation low, easily make mistakes, the problem such as directly perceived, difficulty is large;
3. method provided by the invention, efficiently solves distribution network model quality check work, for Power System Analysis application has established model support basis, for the raising of the practical level of distribution automation system provides aid.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic flow sheet of distribution network model topology connectivity method of calibration of the present invention.
Accompanying drawing 2 is the middle-level Model tying schematic diagram of the present invention.
Accompanying drawing 3 is model extraction regular texture figure provided by the invention.
Accompanying drawing 4 is distribution topological structure schematic diagram provided by the invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment one: as shown in Figure 1, a kind of distribution network model topology connectivity method of calibration for verifying the connectedness of electricity distribution network model, comprises and extracts analysis two aspects based on Hierarchical clustering analysis with based on topological model.
Based on Hierarchical clustering analysis be: after extracting single-line model by the feeder line hierarchical relationship of electricity distribution network model, carry out cluster analysis and obtain several cluster islands, cluster island be divided into the main island that comprises root feeder line section or power supply and do not comprise root feeder line section and power supply from island.The situation (may there is this feeder line to be appointed as by divided or other feeder line models of unit feeder model situation by mistake) cluster island quantity being greater than to 1 carries out breadth-first search, tentatively determine the connectedness of feeder line entirety according to the bee-line between the quantity on cluster island and each cluster island, namely tentatively determine the connectedness of feeder line entirety according to each from the bee-line between Dao Daozhu island.If the bee-line not between homology group is very little, then tentatively can determine that this Liang Ge island may be connective; If Liang Ge island is apart from excessive, then that tentatively can determine small-scale may not belong to this feeder line from island.Wherein comprise the Dao Weizhu island of power supply point, other is from island.
Such as, assuming that need the feeder line F checked, belong to distribution switch, the feeder line section set of F according to the ID inquiry distribution net equipment hierarchical relationship of F, then carry out cluster analysis according to its equipment connection situation.As shown in Figure 2, the possibility of result comprises three cluster islands C1, C2, C3.The scale of the scale of C1 to be the scale of 13, C2 be 2, C3 is 1.Because the quantity on cluster island is greater than 1, calculate each bee-line C2-C1:G1 from Dao Daozhu island respectively, C3-C1:B5B4B3B2B1.Visible from hierarchical relationship angle, C1-C2 belongs to an island, and namely "current" model exists the situation of " segmentation "; C3 may be that other feeder plant mistake is poured in F feeder line.
But in general, hierarchical relationship is not necessarily reliable.Therefore the topological relation utilizing distribution network model is needed to carry out assistant analysis.
Extracting analysis based on topological model is: after extracting single-line model by the feeder line topological relation of electricity distribution network model according to decimation rule, distribution topological diagram is generated based on general place-and-route algorithm (as elastic force placement algorithm), thus according to regenerating distribution topological diagram after the connectedness of distribution topological diagram assistant analysis feeder line entirety or the decimation rule of amendment line model and carrying out assistant analysis.
Referring to that the distribution net equipment model set according to extracting carries out layout based on elastic force placement algorithm based on general place-and-route algorithm, generating distribution topological diagram.Detailed process is: carry out mathematical modeling according to distribution net equipment model set, and by switch, feeder line section is abstract is " limit ", and tie point is abstract is " point ", constructs a figure G.Carry out layout at the elastic force placement algorithm utilizing gravitation to tear power model open, carry out painted according to switch, feeder line section type and node type, form readable distribution topological diagram.
Carry out connectivity analysis according to topological diagram or revise the regular one-tenth figure again of model extraction referring to that the topological diagram binding hierarchy cluster result generated according to particular topology search rule is analyzed, simultaneously can correction model extraction condition, such as expand the modes such as the maximum search degree of depth, regenerate topological diagram, carry out generalized analysis, determine reasonable topology boundary and the internal connectivity of this feeder line.
Such as, extract single-line model by feeder line topological relation, the rule of model extraction as shown in Figure 3, comprises initial rule: specified node number, select feeder line object; Search rule: the normal fortune side carried out according to switch contact type topology, according to the real-time remote signalling of switch topological carry out real-time fortune side, the appointment maximum search degree of depth maximum step; Termination rules: specify major network node, non-circuit station institute.
Carry out layout according to the distribution net equipment model set extracted based on elastic force placement algorithm again, generate distribution topological diagram.As shown in Figure 4, wherein:
The hollow node of light color: represent major network node;
Dark hollow node: represent distribution ordinary node;
Dark solid node: represent distribution bus nodes;
The solid node of light color: represent distribution distribution transforming or load bus;
Double-head arrow line: what expression was closed cut-offs kind equipment;
Single arrow line: what expression separated cut-offs kind equipment;
Dotted line: represent interconnection switch;
Black line: represent common feeder line section;
Whole distribution network contact diagram can be carried out painted according to feeder line belonging to equipment.
Global alignment analysis chart 2 and Fig. 4, can find out, cluster island C2 should belong to the scope of feeder line F, and C3 does not belong to the scope of feeder line F, there is model hierarchy abnormal.In addition, as the basic function of assistant analysis instrument, model topology decimation rule can be readjusted here, expand topology visualization scope, comparative analysis again.
The present invention is from the connective quality of the ancillary information comprehensive assessment distribution network model such as hierarchical relationship and topological relation two aspects bonding apparatus title, solve the problems such as distribution network model relation " overlap ", disappearance, a kind of distribution network model connectivity checks method is provided, for distribution network model quality check work provides assistive technology means, General Promotion Distribution Network Practical fractional analysis level.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. a distribution network model topology connectivity method of calibration, for verifying the connectedness of electricity distribution network model, is characterized in that: described method comprises to be analyzed based on Hierarchical clustering analysis with based on topological model extraction;
Describedly based on Hierarchical clustering analysis be: after extracting single-line model by the feeder line hierarchical relationship of described electricity distribution network model, carry out cluster analysis, thus tentatively determine the connectedness of feeder line entirety;
Describedly extract analysis based on topological model and be: after extracting single-line model by the feeder line topological relation of described electricity distribution network model according to decimation rule, generate distribution topological diagram, thus according to the connectedness of described distribution topological diagram assistant analysis feeder line entirety or revise described single-line model decimation rule after regenerate distribution topological diagram and carry out assistant analysis.
2. distribution network model topology connectivity method of calibration according to claim 1, it is characterized in that: described based in Hierarchical clustering analysis, carry out cluster analysis and obtain several cluster islands, situation cluster island quantity being greater than to 1 carries out breadth-first search, tentatively determines the connectedness of feeder line entirety according to the quantity on described cluster island and the bee-line described in each between cluster island.
3. distribution network model topology connectivity method of calibration according to claim 2, it is characterized in that: described cluster island is divided into the main island comprising root feeder line section or power supply and do not comprise root feeder line section and power supply from island, according to described in each from island to described main island bee-line and tentatively determine the connectedness of feeder line entirety.
4. distribution network model topology connectivity method of calibration according to claim 1, is characterized in that: described based in topological model extraction analysis, generates described distribution topological diagram based on general place-and-route algorithm.
5. distribution network model topology connectivity method of calibration according to claim 4, is characterized in that: described place-and-route algorithm adopts elastic force placement algorithm.
6. distribution network model topology connectivity method of calibration according to claim 1, is characterized in that: described decimation rule comprises
Initial rule: specified node number, select feeder line object;
Search rule: the normal fortune side carried out according to switch contact type topology, according to the real-time remote signalling of switch topological carry out real-time fortune side, the appointment maximum search degree of depth maximum step;
Termination rules: specify major network node, non-circuit station institute.
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Cited By (6)
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| CN108009942A (en) * | 2017-11-29 | 2018-05-08 | 北京工业大学 | Topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process |
| CN108829959A (en) * | 2018-06-01 | 2018-11-16 | 广东电网有限责任公司 | A kind of distribution thematic map automatic generation method of service-oriented driving |
| CN109165865A (en) * | 2018-09-07 | 2019-01-08 | 国电南瑞科技股份有限公司 | Master based on boundary switch connectivity analysis matches Integrated Model method of calibration and system |
| CN109885859A (en) * | 2018-12-28 | 2019-06-14 | 杭州电子科技大学 | The substation for adding inertia force is center network distribution single line diagram autoplacement calculation method |
| CN111079242A (en) * | 2019-12-05 | 2020-04-28 | 北京四方继保自动化股份有限公司 | Distribution network physical model connectivity error checking method and device |
| CN111191332A (en) * | 2019-12-25 | 2020-05-22 | 中国南方电网有限责任公司 | Stock data initialization system and method for dispatching master station transformer diagram module to GIS platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108009942A (en) * | 2017-11-29 | 2018-05-08 | 北京工业大学 | Topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process |
| CN108829959A (en) * | 2018-06-01 | 2018-11-16 | 广东电网有限责任公司 | A kind of distribution thematic map automatic generation method of service-oriented driving |
| CN108829959B (en) * | 2018-06-01 | 2022-09-06 | 广东电网有限责任公司 | Service-driven-oriented distribution network thematic map automatic generation method |
| CN109165865A (en) * | 2018-09-07 | 2019-01-08 | 国电南瑞科技股份有限公司 | Master based on boundary switch connectivity analysis matches Integrated Model method of calibration and system |
| CN109165865B (en) * | 2018-09-07 | 2021-07-06 | 国电南瑞科技股份有限公司 | Main distribution integrated model checking method and system based on boundary switch connectivity analysis |
| CN109885859A (en) * | 2018-12-28 | 2019-06-14 | 杭州电子科技大学 | The substation for adding inertia force is center network distribution single line diagram autoplacement calculation method |
| CN109885859B (en) * | 2018-12-28 | 2023-05-12 | 杭州电子科技大学 | Automatic layout calculation method for single line diagram of transformer substation with inertial force as center |
| CN111079242A (en) * | 2019-12-05 | 2020-04-28 | 北京四方继保自动化股份有限公司 | Distribution network physical model connectivity error checking method and device |
| CN111079242B (en) * | 2019-12-05 | 2024-01-09 | 北京四方继保自动化股份有限公司 | Distribution network physical model communication error checking method and device |
| CN111191332A (en) * | 2019-12-25 | 2020-05-22 | 中国南方电网有限责任公司 | Stock data initialization system and method for dispatching master station transformer diagram module to GIS platform |
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