CN104992286A - Distribution network equipment model change verification method based on multiple time slices - Google Patents
Distribution network equipment model change verification method based on multiple time slices Download PDFInfo
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- CN104992286A CN104992286A CN201510375167.0A CN201510375167A CN104992286A CN 104992286 A CN104992286 A CN 104992286A CN 201510375167 A CN201510375167 A CN 201510375167A CN 104992286 A CN104992286 A CN 104992286A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses a distribution network equipment model change verification method based on multiple time slices. The method comprises the following steps of 1, obtaining distribution network equipment models of multiple time slices, and establishing inter-equipment hierarchical structures and topological structures according to the distribution network equipment models; 2, recording data of the distribution network equipment models of multiple time slices and selecting one as a reference mode; 3, utilizing equipment information generated in the data construction stage and the inter-equipment hierarchical structures and topological structures obtained in the step 1, analyzing equipment attribute statistic information and inter-equipment topological statistical information of a to-be-compared model and the reference mode obtained in the step 2, and taking analysis results as verification bases; and 4, determining whether or not on-off topological change, on-off attribute change and feeder section topological change exist, if so, outputting increased or deleted change verification results, and if not, ending verification. The invention can monitor change conditions of equipment models and timely find possible maloperation.
Description
Technical field
The present invention relates to a kind of distribution net equipment model based on many time slices change method of calibration, belong to Distribution Automation Technology field.
Background technology
For a long time, the planning and design, technical equipment, economical operation, fault handling etc. of power distribution network are manual management pattern, and its general technical economic target is in relatively backward level.Distribution network bulky complex simultaneously, network device operation is very frequent, if adopt traditional model update method, yardman must carry out artificial contrast and manual operation frequently in distribution automation system, very easily cause the maloperation problem to equipment, directly affect the power supply reliability of terminal user.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to provide a kind of distribution net equipment model based on many time slices change method of calibration, the device model of different time fragment is carried out record to store, determine that time model is the earliest benchmark model, in change verification, will treat that contrast model and benchmark model are analyzed, export the change check results that additions and deletions change, the situation of change of device model can be supervised, the maloperation that Timeliness coverage may exist.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of change of the distribution net equipment model based on many time slices method of calibration of the present invention, comprise following step: (1) obtains the distribution net equipment model of multiple time slice, according to hierarchical structure, topological structure between distribution net equipment model apparatus for establishing; (2) record the distribution net equipment model data of multiple time slice, the time, model was the earliest as benchmark model; (3) the equipment room hierarchical structure utilizing the distribution net equipment attribute generated in the reference data structure stage and quantity information and step (1) to obtain and topological structure, to treat that benchmark model that contrast model and step (2) obtain carries out device attribute and quantity statistics information and equipment room topology statistical information and contrasts that (control methods is prior art, repeat no more) herein, and in this, as verification according to (method of calibration is prior art, repeats no more) herein; (4) according to the comparing result of step (3), increment verification is carried out to model, judge that (this determination methods is prior art, repeat no more herein) whether there is switch topology change, switch attribute change, feeder line section change in topology, if there is change, export additions and deletions changeization check results, if there is no change, terminate verification.
In step (1), based on hierarchical structure between multiway tree principle apparatus for establishing; Based on non-directed graph and with close be topological structure between topological elementary cell apparatus for establishing.
In step (3), described device attribute statistical information is as follows:
Add up feeder line quantity under each transformer station;
Add up difference numbering of the same name, with numbering equipment not of the same name;
Add up each switch in interior distribution bus, distribution switch, distribution transforming quantity;
In statistics distribution net equipment, electric pressure is empty equipment;
Described equipment room topology statistical information is as follows:
The star-like equipment be connected is not become with bus in statistic switch station;
Add up the major network load be not connected with feeder line section;
Add up the feeder line section of the equipment that any one end connects;
Add up the distribution switch of any one end connection device;
Add up the distribution transforming of any one end connection device;
The distribution transforming of statistics two ends all connection device;
Statistics is the number of switches of line end equipment;
Statistics forms the outlet switch logarithm of looped network;
Statistics node number does not wait with negative 1, but fails to trace back to the equipment of any outlet switch;
Statistics circuit becomes the quantity of ring;
Add up the feeder line information that a feeder line is directly connected.
The device model of different time fragment is carried out record and stores by the present invention, determine that one of them is benchmark model, in change verification, to treat that contrast model and benchmark model are analyzed, export the change check results that additions and deletions change, the situation of change of device model can be supervised, the maloperation that Timeliness coverage may exist; The method has considered the overall local characteristics of device model as a whole, both can carry out the global analysis of the whole network model, also can carry out the subrange device model verification in units of region, plant stand, feeder line.
Accompanying drawing explanation
Fig. 1 is a kind of change of the distribution net equipment model based on many time slices method of calibration workflow diagram of the present invention;
Fig. 2 is multiway tree;
Fig. 3 is the hierarchical relationship of Fig. 2;
Fig. 4 is non-directed graph;
Fig. 5 is topological elementary cell.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Distribution net equipment model of the present invention change method of calibration is introduced in construction electrical power distribution automatization system, by carrying out increment judgement and model consistency and completeness check to the model of different time fragment, the mode changed by additions and deletions is automatically imported model, the automatic amendment of implementation model increment, greatly reduce the maloperation problem that manual operation brings, improve the power supply reliability of power distribution network.
Network model verification is mainly through carrying out global statistics analysis to all devices model information in OPEN3200 distribution main station system, user be provided one check the instrument of facility information and equipment room hierarchical relationship, topological relation, facilitate user to check device model possibility Problems existing, process potential risk in time.
One of the present invention considers distribution net equipment model overall situation local characteristics as a whole, to the method that the hierarchical topology relation of many time slices distribution net equipment model is analyzed.The device model of different time fragment is carried out record and stores by the method, determines that one of them is benchmark model, in change verification, will treat that contrast model and benchmark model are analyzed, and export the change check results that additions and deletions change.The method has considered the overall local characteristics of device model as a whole, both can carry out the global analysis of the whole network model, also can carry out the subrange device model verification in units of region, plant stand, feeder line.
Specifically comprise following step:
Step one: set up level, topological structure according to distribution net equipment SCADA model;
Hierarchical structure is set up based on multiway tree (see Fig. 2 and Fig. 3) principle, each equipment only has a container (immediate container), namely upwards describes, and the container as on-pole switch is only feeder line, in station, closing container is only station, and the container of feeder line is only outlet switch.Special, distribution station allows multiple container, and such as ring main unit can belong to two feeder lines simultaneously.
Be that topological elementary cell (see Fig. 5) builds device topology based on non-directed graph (see Fig. 4), to close, because considering the scalar property of electric topology, relation two-end-point equity, i.e. AB=BA.
Step 2: the distribution net equipment SCADA model data recording multiple time slice, selects one as benchmark model;
Each time slice facility information stores with following form record:
Step 3: utilize the facility information and equipment room topological structure, hierarchical structure that generate in the data construct stage, the attribute of analytical equipment and equipment room topological relation, and in this, as verification foundation, verification content comprises:
(1) statistics of attributes information
add up feeder line quantity under each transformer station: travel through all transformer stations; Utilize hierarchical model to search outlet switch in each transformer station, count the feeder line under wiretap;
add up difference numbering of the same name, with numbering equipment not of the same name;
add up each switch in interior distribution bus, distribution switch, distribution transforming quantity;
in statistics distribution net equipment, electric pressure is empty equipment.
(2) simple topology statistical information
the star-like equipment be connected is not become with bus in statistic switch station;
add up the major network load be not connected with feeder line section;
add up the feeder line section of the equipment (>=3) that any one end connects;
add up the distribution switch of any one end connection device (>=2);
add up the distribution transforming of any one end connection device (>=2);
the distribution transforming of statistics two ends all connection device;
statistics is the number of switches of line end equipment.
(3) topological statistical information
statistics forms the outlet switch logarithm of looped network;
statistics node number does not wait with negative 1, but fails to trace back to the equipment of any outlet switch;
statistics circuit becomes the quantity of ring;
add up the feeder line information that a feeder line is directly connected.
Step 4: based on above content, analyzes the equipment variations information judging different time fragment.Different time periodic model data are analyzed, obtain the concrete change of equipment level, topology, and result of variations is notified each application program.Concrete change verification content comprises:
(1) add up different time cycle hierarchical structure change switch, utilize distribution switch association attributes statistical information and simple topology statistical information to be analyzed, obtain result of variations;
(2) add up different time cycle topologies change switch, utilize distribution switch topology statistical information to be analyzed, obtain result of variations;
(3) add up different time cycle hierarchical structure change feeder line section, utilize feeder line section association attributes statistical information and simple topology statistical information to be analyzed, obtain result of variations;
(4) add up different time cycle topologies change feeder line section, utilize feeder line section topology statistical information to be analyzed, obtain result of variations.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1., based on a distribution net equipment model change method of calibration for many time slices, it is characterized in that, comprise following step:
(1) the distribution net equipment model of multiple time slice is obtained, according to hierarchical structure, topological structure between distribution net equipment model apparatus for establishing;
(2) the distribution net equipment model data of multiple time slice is recorded, to import time model the earliest as benchmark model;
(3) the equipment room hierarchical structure utilizing the distribution net equipment attribute generated in the reference data structure stage and quantity information and step (1) to obtain and topological structure, to treat that benchmark model that contrast model and step (2) obtain carries out device attribute statistical information, quantity statistics information and equipment room topology statistical information and contrast, and in this, as verifying foundation;
(4) comparing result obtained according to step (3) carries out increment verification to model, judge whether to there is switch topology change, switch attribute change, feeder line section change in topology, if there is change, export additions and deletions changeization check results, if there is no change, terminate verification.
2. the change of the distribution net equipment model based on many time slices method of calibration according to claim 1, is characterized in that, in step (1), based on hierarchical structure between multiway tree principle apparatus for establishing; Based on non-directed graph and with close be topological structure between topological elementary cell apparatus for establishing.
3. the change of the distribution net equipment model based on many time slices method of calibration according to claim 1, it is characterized in that, in step (3), described device attribute statistical information is as follows:
Add up feeder line quantity under each transformer station;
Add up difference numbering of the same name, with numbering equipment not of the same name;
Add up each switch in interior distribution bus, distribution switch, distribution transforming quantity;
In statistics distribution net equipment, electric pressure is empty equipment;
Described equipment room topology statistical information is as follows:
The star-like equipment be connected is not become with bus in statistic switch station;
Add up the major network load be not connected with feeder line section;
Add up the feeder line section of the equipment that any one end connects;
Add up the distribution switch of any one end connection device;
Add up the distribution transforming of any one end connection device;
The distribution transforming of statistics two ends all connection device;
Statistics is the number of switches of line end equipment;
Statistics forms the outlet switch logarithm of looped network;
Statistics node number does not wait with negative 1, but fails to trace back to the equipment of any outlet switch;
Statistics circuit becomes the quantity of ring;
Add up the feeder line information that a feeder line is directly connected.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108763557A (en) * | 2018-06-01 | 2018-11-06 | 广东电网有限责任公司 | A kind of power distribution automation artwork intelligence management-control method |
| CN109685684A (en) * | 2018-12-26 | 2019-04-26 | 武汉大学 | A kind of low-voltage network topological structure method of calibration of knowledge based map |
| CN112597634A (en) * | 2020-12-06 | 2021-04-02 | 国网山东省电力公司电力科学研究院 | Power distribution network topology data verification method and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598691A (en) * | 2015-01-30 | 2015-05-06 | 国家电网公司 | Network model checking method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104598691A (en) * | 2015-01-30 | 2015-05-06 | 国家电网公司 | Network model checking method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108763557A (en) * | 2018-06-01 | 2018-11-06 | 广东电网有限责任公司 | A kind of power distribution automation artwork intelligence management-control method |
| CN109685684A (en) * | 2018-12-26 | 2019-04-26 | 武汉大学 | A kind of low-voltage network topological structure method of calibration of knowledge based map |
| CN112597634A (en) * | 2020-12-06 | 2021-04-02 | 国网山东省电力公司电力科学研究院 | Power distribution network topology data verification method and system |
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Application publication date: 20151021 |