CN112507498A - SG-CIM-based digital model establishing method - Google Patents
SG-CIM-based digital model establishing method Download PDFInfo
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- CN112507498A CN112507498A CN202011391002.XA CN202011391002A CN112507498A CN 112507498 A CN112507498 A CN 112507498A CN 202011391002 A CN202011391002 A CN 202011391002A CN 112507498 A CN112507498 A CN 112507498A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/04—Power grid distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Abstract
The invention provides a digital model building method based on SG-CIM, which comprises the following steps: s1: importing an SG-CIM standard file, analyzing and identifying the structure of the SG-CIM standard file, and extracting modeling data; s2: analyzing the modeling data to obtain equipment attribute information and an equipment topological connection relation; s3: debugging the modeling data according to the integrity of the equipment attribute information and the rationality of the topological connection relation of the equipment to obtain fault information in the modeling data; s4: repairing fault information in the modeling data; s5: and completing modeling by using the repaired modeling data. The modeling data is extracted based on the SG-CIM standard file, debugging is carried out according to the equipment attribute information and the equipment topological connection relation, fault information is repaired, and modeling is completed by using the repaired modeling data. The established digital model has high accuracy and reasonability, is beneficial to subsequent secondary development and calculation, and is suitable for the data requirement of intelligent power grid construction.
Description
Technical Field
The invention relates to the technical field of power grid planning, in particular to a digital model building method based on SG-CIM.
Background
The traditional power grid is planned by adopting a CAD text, the CAD text can only describe the development condition of the power grid by using graphs, digital expression cannot be formed, and the secondary development level is difficult to butt joint. On the premise of high-speed development of an intelligent power grid, the data volume of power grid planning, operation and adjustable coordination is huge, and the traditional CAD text type planning method cannot meet the requirement. The SG-CIM (State grid-common information model) is a standard and open public information model and an application specification so as to meet the data requirements of 'three sets, five major' and strong smart grid construction of a national grid company, and needs to be supplemented and perfected in the aspect of digital model construction at present.
The invention discloses a bidirectional modeling method and system based on a graph model integration, which is disclosed by Chinese patent CN110991158A in 4/10/2020, and realizes bidirectional modeling of a data model and a graph model through standard modeling topology and mapping analysis according to a data model SCD file or a graph model CIM/G file of an existing transformer substation, so that the problem of incomplete graph model is solved, and the graph model is completely unified. Compared with the traditional automatic modeling method, the method is flexible, different modeling methods can be selected according to user habits, and meanwhile, multi-user multi-machine modeling is utilized, so that the working efficiency is greatly improved. However, due to the fact that modeling is carried out by different methods of multiple persons and multiple machines, the accuracy and the reasonability of the model are not high, and subsequent secondary development and calculation are not facilitated.
Disclosure of Invention
The invention provides a SG-CIM-based digital model establishing method for overcoming the defect of low accuracy of a digital model established in the prior art.
The technical scheme of the invention is as follows:
the invention provides a digital model building method based on SG-CIM, which comprises the following steps:
s1: importing an SG-CIM standard file, analyzing and identifying the structure of the SG-CIM standard file, and extracting modeling data;
s2: analyzing the modeling data to obtain equipment attribute information and an equipment topological connection relation;
s3: debugging the modeling data according to the integrity of the equipment attribute information and the rationality of the topological connection relation of the equipment to obtain fault information in the modeling data;
s4: repairing fault information in the modeling data;
s5: and completing modeling by using the repaired modeling data.
Preferably, the modeling data in S1 includes power supply companies, teams, substations, feeders, feeder equipment, off-site equipment, in-site equipment, distribution rooms, switchgears, wire segments, towers, in-site switches, bus segments, in-site connection ports, medium voltage user access points, transformers, transformer windings, and equipment connection ports.
Preferably, the device attribute information in S2 includes device ledger information, device coordinate information, and device affiliation.
Preferably, the device coordinate information is longitude and latitude of the device.
Preferably, the equipment affiliation is, from large to small, power supply company-team-substation-feeder equipment.
Preferably, the fault information in S3 includes warning information and error information.
Preferably, the warning message specifically includes: the ID of a distribution room and/or the ID of an opening and closing station are wrong, the length of a wire section is null or 0 meter, the model of the wire section is null, a plurality of bus sections are connected to the same connection point, a plurality of wire sections and a plurality of in-station connection ports are connected to the same connection point, a plurality of in-station connection ports and in-station switches are connected to the same connection point, an out-station device and an in-station device are directly connected, two or more out-station devices are directly connected, and two or more in-station devices are directly connected.
Preferably, the error information includes: when topology analysis is carried out, error information exists, the types of the lead segments cannot be matched in the lead segment type library, and the types of the transformers cannot be matched in the transformer type library.
Preferably, the method for repairing the warning information in the fault information specifically includes:
updating the ID of the distribution room and/or the ID of the switching station when the ID of the distribution room and/or the ID of the switching station is wrong;
when the length of the wire section is null or 0 meter, correcting the length of the wire section to be 1 meter;
when the model of the wire section is null, the wire section is corrected to be the designated model VLV-8.7/10-3 multiplied by 400;
when a plurality of bus sections are connected to the same connecting point, the first bus section is selected, and the rest bus sections are ignored;
when a plurality of lead segments and a plurality of in-station ports are connected to the same connection point, the lead segments and the in-station ports are disassembled, and a first lead segment is taken to be connected with the first in-station port;
when a plurality of in-station connection ports and in-station switches are connected to the same connection point, adding a bus section to connect all the in-station connection ports with the in-station switches through the bus section;
when the external equipment is directly connected with the internal equipment, an internal connection port is added, and the external equipment is connected with the internal equipment through the internal connection port;
when two or more than two off-station devices are directly connected, adding a tower, wherein the off-station devices are connected to the newly added tower;
when two or more in-station equipment are directly connected, one bus section is added, and the in-station equipment is connected to the newly added bus section.
Preferably, the method for repairing the error information in the fault information specifically includes:
when error information exists in the topology analysis, checking the SG-CIM standard file, correcting the topology relation, and importing the repaired SG-CIM standard file;
checking an SG-CIM standard file and supplementing a lead segment model library when the lead segment models are not matched in the lead segment model library;
and when the model of the transformer cannot be matched in the transformer model library, checking the SG-CIM standard file, and supplementing the transformer model library.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the modeling data is extracted based on the SG-CIM standard file, debugging is carried out according to the equipment attribute information and the equipment topological connection relation, fault information is repaired, and modeling is completed by using the repaired modeling data. The established digital model has high accuracy and reasonability, is beneficial to subsequent secondary development and calculation, and is suitable for the data requirement of intelligent power grid construction.
Drawings
Fig. 1 is a flowchart of a SG-CIM-based digital model building method described in embodiment 1.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a SG-CIM-based digital model building method, as shown in fig. 1, the method includes:
s1: importing an SG-CIM standard file, analyzing and identifying the structure of the SG-CIM standard file, and extracting modeling data;
s2: analyzing the modeling data to obtain equipment attribute information and an equipment topological connection relation;
s3: debugging the modeling data according to the integrity of the equipment attribute information and the rationality of the topological connection relation of the equipment to obtain fault information in the modeling data;
s4: repairing fault information in the modeling data;
s5: and completing modeling by using the repaired modeling data.
Preferably, the modeling data in S1 includes power supply companies, teams, substations, feeders, feeder equipment, off-site equipment, in-site equipment, distribution rooms, switchgears, wire segments, towers, in-site switches, bus segments, in-site connection ports, medium voltage user access points, transformers, transformer windings, and equipment connection ports.
The device attribute information in S2 includes device ledger information, device coordinate information, and device dependencies.
The device coordinate information is longitude and latitude of the device.
The equipment subordination relation is from big to small, and the equipment subordination relation is power supply company-team-transformer substation-feeder line equipment.
The failure information in S3 includes warning information and error information.
The warning information specifically includes: the ID of a distribution room and/or the ID of an opening and closing station are wrong, the length of a wire section is null or 0 meter, the model of the wire section is null, a plurality of bus sections are connected to the same connection point, a plurality of wire sections and a plurality of in-station connection ports are connected to the same connection point, a plurality of in-station connection ports and in-station switches are connected to the same connection point, an out-station device and an in-station device are directly connected, two or more out-station devices are directly connected, and two or more in-station devices are directly connected.
The error information includes: when topology analysis is carried out, error information exists, the types of the lead segments cannot be matched in the lead segment type library, and the types of the transformers cannot be matched in the transformer type library.
The method for repairing the warning information in the fault information specifically comprises the following steps:
updating the ID of the distribution room and/or the ID of the switching station when the ID of the distribution room and/or the ID of the switching station is wrong;
when the length of the wire section is null or 0 meter, correcting the length of the wire section to be 1 meter;
when the model of the wire section is null, the wire section is corrected to be the designated model VLV-8.7/10-3 multiplied by 400;
when a plurality of bus sections are connected to the same connecting point, the first bus section is selected, and the rest bus sections are ignored;
when a plurality of lead segments and a plurality of in-station ports are connected to the same connection point, the lead segments and the in-station ports are disassembled, and a first lead segment is taken to be connected with the first in-station port;
when a plurality of in-station connection ports and in-station switches are connected to the same connection point, adding a bus section to connect all the in-station connection ports with the in-station switches through the bus section;
when the external equipment is directly connected with the internal equipment, an internal connection port is added, and the external equipment is connected with the internal equipment through the internal connection port;
when two or more than two off-station devices are directly connected, adding a tower, wherein the off-station devices are connected to the newly added tower;
when two or more in-station equipment are directly connected, one bus section is added, and the in-station equipment is connected to the newly added bus section.
The method for repairing the error information in the fault information specifically comprises the following steps:
when error information exists in the topology analysis, checking the SG-CIM standard file, correcting the topology relation, and importing the repaired SG-CIM standard file;
checking an SG-CIM standard file and supplementing a lead segment model library when the lead segment models are not matched in the lead segment model library;
and when the model of the transformer cannot be matched in the transformer model library, checking the SG-CIM standard file, and supplementing the transformer model library.
The terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An SG-CIM-based digital model building method is characterized by comprising the following steps:
s1: importing an SG-CIM standard file, analyzing and identifying the structure of the SG-CIM standard file, and extracting modeling data;
s2: analyzing the modeling data to obtain equipment attribute information and an equipment topological connection relation;
s3: debugging the modeling data according to the integrity of the equipment attribute information and the rationality of the topological connection relation of the equipment to obtain fault information in the modeling data;
s4: repairing fault information in the modeling data;
s5: and completing modeling by using the repaired modeling data.
2. The SG-CIM-based digital modeling method according to claim 1, wherein the modeling data in S1 comprises power supply companies, teams, substations, feeders, feeder equipment, off-site equipment, in-site equipment, distribution rooms, switchyards, wire segments, towers, in-site switches, bus segments, in-site connection ports, medium-voltage user access points, transformers, transformer windings and equipment connection ports.
3. The SG-CIM-based digital modeling method according to claim 2, wherein the device attribute information in S2 includes device ledger information, device coordinate information and device dependencies.
4. An SG-CIM-based digital modeling method as claimed in claim 3, wherein said device coordinate information is longitude and latitude of the device.
5. An SG-CIM-based digital modeling method according to claim 4, wherein the device dependencies are, from large to small, power supply company-team-substation-feeder devices.
6. The SG-CIM-based digital modeling method according to claim 5, wherein the fault information in S3 includes warning information and error information.
7. The SG-CIM-based digital model building method of claim 6, wherein the warning information specifically comprises: the ID of a distribution room and/or the ID of an opening and closing station are wrong, the length of a wire section is null or 0 meter, the model of the wire section is null, a plurality of bus sections are connected to the same connection point, a plurality of wire sections and a plurality of in-station connection ports are connected to the same connection point, a plurality of in-station connection ports and in-station switches are connected to the same connection point, an out-station device and an in-station device are directly connected, two or more out-station devices are directly connected, and two or more in-station devices are directly connected.
8. An SG-CIM-based digital modeling method according to claim 7, wherein said error information includes: when topology analysis is carried out, error information exists, the types of the lead segments cannot be matched in the lead segment type library, and the types of the transformers cannot be matched in the transformer type library.
9. The SG-CIM-based digital model building method according to claim 8, wherein the method for repairing the warning information in the fault information specifically comprises:
when the ID of the distribution room and/or the ID of the switching station are wrong, updating the ID of the distribution room and/or the ID of the switching station;
when the length of the wire section is null or 0 meter, correcting the length of the wire section to be 1 meter;
when the model of the wire section is null, the wire section is corrected to be the designated model VLV-8.7/10-3 multiplied by 400;
when a plurality of bus sections are connected to the same connecting point, the first bus section is selected, and the rest bus sections are ignored;
when a plurality of lead segments and a plurality of in-station ports are connected to the same connection point, the lead segments and the in-station ports are disassembled, and a first lead segment is taken to be connected with the first in-station port;
when a plurality of in-station connection ports and in-station switches are connected to the same connection point, adding a bus section to connect all the in-station connection ports with the in-station switches through the bus section;
when the external equipment is directly connected with the internal equipment, an internal connection port is added, and the external equipment is connected with the internal equipment through the internal connection port;
when two or more than two off-station devices are directly connected, adding a tower, wherein the off-station devices are connected to the newly added tower;
when two or more in-station equipment are directly connected, one bus section is added, and the in-station equipment is connected to the newly added bus section.
10. The SG-CIM-based digital model building method according to claim 9, wherein the method for repairing the error information in the fault information specifically comprises:
when error information exists in the topology analysis, checking the SG-CIM standard file, correcting the topology relation, and importing the repaired SG-CIM standard file;
checking an SG-CIM standard file and supplementing a lead segment model library when the lead segment models are not matched in the lead segment model library;
and when the model of the transformer cannot be matched in the transformer model library, checking the SG-CIM standard file, and supplementing the transformer model library.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609520A (en) * | 2012-02-09 | 2012-07-25 | 天津市电力公司 | Method for exporting model data of substation by filtering |
| CN107016503A (en) * | 2017-03-31 | 2017-08-04 | 国家电网公司 | The real-time stipulations of CIM topology and modification method based on fuzzy reasoning |
| CN110991158A (en) * | 2019-11-27 | 2020-04-10 | 广州白云电器设备股份有限公司 | Bidirectional modeling method and system based on graph-model integration |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609520A (en) * | 2012-02-09 | 2012-07-25 | 天津市电力公司 | Method for exporting model data of substation by filtering |
| CN107016503A (en) * | 2017-03-31 | 2017-08-04 | 国家电网公司 | The real-time stipulations of CIM topology and modification method based on fuzzy reasoning |
| CN110991158A (en) * | 2019-11-27 | 2020-04-10 | 广州白云电器设备股份有限公司 | Bidirectional modeling method and system based on graph-model integration |
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