CN106951556B - Consistency checking method and system for power distribution network graph model in offline environment - Google Patents
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Abstract
The invention relates to a method and a system for verifying consistency of a power distribution network graph model in an off-line environment, wherein the method comprises the following steps: checking basic attributes of various devices in a model file of a power distribution network graph model in an importing stage under an offline environment, and positioning each basic attribute to the position of a specific model file; in an off-line environment, carrying out correlation verification on the graph and the model of the power distribution network graph model during import to generate a network topology, and checking the topology connection state of the power distribution network graph model according to the network topology; and under an off-line environment, mutually checking the model file and the graphic file of the power distribution network graphic model, acquiring the difference between the model file and the graphic file, and correcting to ensure the consistency of the power distribution network graphic model. The technical scheme of the invention ensures the integrity and the correctness of the imported network model on the whole.
Description
Technical Field
The invention relates to the technical field of distribution automation, in particular to a method and a system for checking consistency of a power distribution network graph model in an offline environment.
Background
In the process of constructing the distribution network master station system, the integrity and the correctness of the distribution network model are the premise and the basis on which each distribution network analysis application module depends on practicality. At present, when a power grid master station is established, basic power distribution network graphic models are mainly imported from a Geographic Information System (GIS) or a Production Management System (PMS), but an effective checking means is lacked in the model importing process, and the completeness and the correctness of the imported network models are difficult to ensure on the whole.
Disclosure of Invention
Therefore, in order to solve the above technical problems, it is necessary to provide a method and a system for verifying consistency of a power distribution network graph model in an offline environment, so as to ensure integrity and correctness of an imported network model as a whole.
A method for verifying consistency of a power distribution network graph model in an off-line environment comprises the following steps:
(1) checking basic attributes of various devices in a model file of a power distribution network graph model in an importing stage under an offline environment, and positioning each basic attribute to the position of a specific model file;
(2) in an off-line environment, carrying out correlation verification on the graph and the model of the power distribution network graph model during import to generate a network topology, and checking the topology connection state of the power distribution network graph model according to the network topology;
(3) and under an off-line environment, mutually checking the model file and the graphic file of the power distribution network graphic model, acquiring the difference between the model file and the graphic file, and correcting to ensure the consistency of the power distribution network graphic model.
The utility model provides a distribution network graph model's uniformity verification system under off-line environment, includes:
the attribute checking module is used for checking the basic attributes of various devices in the model file of the power distribution network graph model in an importing stage under an offline environment and positioning each basic attribute to the position of a specific model file;
the network topology checking module is used for carrying out correlation checking on the graph and the model of the power distribution network graph model during import to generate a network topology under an offline environment and checking the topology connection state of the power distribution network graph model according to the network topology;
and the graph-model mutual checking module is used for mutually checking the model file and the graph file of the power distribution network graph model in an off-line environment, acquiring the difference between the model file and the graph file and correcting the difference to ensure the consistency of the power distribution network graph model.
According to the method and the system for verifying the consistency of the power distribution network graph model in the offline environment, basic attribute verification, topological visual graph-model association verification and graph-model overall consistency verification aiming at the consistency and the integrity of the power distribution network graph model are performed in the power distribution network graph model importing stage, the consistency verification of the power distribution network graph model in the offline environment is realized, and the integrity and the correctness of the imported network model are integrally ensured.
Drawings
FIG. 1 is a flowchart of a method for consistency verification of a graph model of a power distribution network in an off-line environment;
FIG. 2 is a logic diagram of an exemplary method for consistency verification of a graph model of a power distribution network;
fig. 3 is a schematic structural diagram of a consistency check system of a power distribution network graph model in an offline environment.
Detailed Description
The following describes embodiments of a method and a system for verifying consistency of a graph model of a power distribution network in an offline environment according to the present invention with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a flowchart of a consistency checking method for a graph model of a power distribution network in an offline environment, and includes the following steps:
checking basic attributes of various devices in a model file of a power distribution network graph model in an importing stage in an offline environment, and positioning each basic attribute to the position of a specific model file;
as an example, the process of step (1) may include the following steps:
analyzing the model file in the offline environment, extracting objects in the model file, and acquiring the necessary information of the basic attributes of various devices; checking and checking each equipment object in sequence according to the necessary information; performing centralized description on the related recorded information of the equipment objects which are not checked and passed, and positioning the related recorded information to a specific position in the model file;
furthermore, prompting is carried out on the device objects which fail to be checked, and a basic attribute checking report of the power distribution network graph model is formed; and recording each attribute of basic attributes of various types of equipment which fail to pass the checking in the basic attribute checking report, and positioning the basic attribute to a specific position of the model file.
By pre-checking the graph-model import of the power distribution network in an off-line environment, prompting and positioning the model which does not pass the check, the operation and maintenance personnel can conveniently check; the method is mainly used for checking the basic attributes of the model again when the requirement of the model is modified or checked to change.
Step (2), in an off-line environment, carrying out correlation verification on the graph and the model of the power distribution network graph model during import to generate a network topology, and checking the topology connection state of the power distribution network graph model according to the network topology;
as an example, the process of step (2) may include the following steps:
when the distribution network graph model is imported, the distribution network graph model is pre-detected, and a visual graphical network topology graph is generated through a feeder line model; after the distribution network graph model is imported, a single-line graph model of the network topological graph is detected, and the topological connection condition of the feeder line is determined.
Generating a network topology in an offline mode by correlation verification of a graph and a model based on an offline environment; and when the method is used for modifying the model topological relation, the model topological relation is detected again.
Step (3), under an off-line environment, mutually checking a model file and a graphic file of a power distribution network graphic model, acquiring the difference between the model file (CIM/XML) and the graphic file (SVG) and correcting to ensure the consistency of the power distribution network graphic model;
as an example, the process of step (3) may include the steps of:
(3.1) synchronously analyzing a model file and a graphic file of a power distribution network graphic model in an offline environment;
(3.2) analyzing equipment information participating in the topological relation from the model file, and establishing a primitive set and relation information among the primitives;
(3.3) analyzing a model object set contained in each primitive and a topological relation between the model objects from the graph file;
(3.4) performing bidirectional comparison between the model file and the graphic file according to the primitive set and the model object set, and performing consistency mutual check on the power distribution network graphic model;
for the bidirectional comparison method, the difference of the graphic files can be analyzed by taking the primitive set of the model file as a reference; analyzing the difference of the model files by taking the model object set of the graphic files as a reference;
according to the method for carrying out consistency mutual check on the power distribution network graph model, a feeder line graph model consistency mutual check analysis report can be formed according to the comparison result of the two-way comparison, and the feeder line graph model consistency mutual check analysis report is used for detecting the condition that equipment objects in the power distribution network graph model are missing or redundant in two aspects of graphs and models;
furthermore, the difference between the model file and the graph file can be corrected according to the comparison result of the bidirectional comparison, so that the consistency of the graph model of the power distribution network is ensured.
Referring to fig. 2, fig. 2 is a logic diagram of a consistency check method of a graph model of a power distribution network according to an example; mainly comprises the following steps:
(1) checking basic attributes: the method and the device can be used for conducting pre-inspection of graph-model import of the power distribution network under an offline environment, and prompting and positioning model files which do not pass verification, so that operation and maintenance personnel can conveniently conduct troubleshooting.
For the basic attribute check, the method is mainly used for carrying out the basic attribute check of the model file again when the possible model file modification or check requirement changes;
in the specific implementation process, a model file (CIM/XML format) in an offline environment can be analyzed, the analyzed model file is subjected to object extraction, the basic attribute mandatory information of various configured devices is combined, each device object is checked and checked in sequence, the recorded information which is not passed through the checking is centrally described and positioned to the specific line number in the specific model file, and finally a basic attribute checking report of the power distribution network graph model is formed, so that the basic attribute checking is realized aiming at each basic attribute, and the specific model file position can be positioned, and the operation and maintenance personnel can check conveniently.
(2) Checking the network topology: namely, the association verification based on the graphic file and the model file under the offline environment is carried out under the offline environment, and the network topology is generated under the offline mode;
and for network topology checking, the method is mainly used for detecting the topological relation of the model again when the topological relation of the model is modified, and the topological connection condition of the feeder line can be visually prompted.
In the specific implementation process, the pre-inspection can be performed when the power distribution network graph model is imported, a visual graphical network topology graph is automatically generated through the feeder line model, and operation and maintenance personnel are assisted to visually perceive the topology connectivity; and secondly, after the power distribution network graph model is introduced, network topology detection can be performed on a single line graph model at any time.
(3) Checking the graph and the model: mutual verification of a CIM model file and an SVG graphic file is carried out in an offline environment, and the difference between the CIM model file and the SVG graphic file generated in the offline environment is automatically corrected, so that the consistency of a power distribution network graphic model is ensured;
for mutual checking of the graph models, the method is used for detecting the graph model consistency problem of the feeder line, finding the lacking model file or primitive object and ensuring the integrity of the graph model information;
in the specific implementation process, the model file and the graphic file in the offline environment can be synchronously analyzed; analyzing equipment information participating in the topological relation from the model file, and establishing a primitive set and relation information among the primitives; analyzing a model object set contained in each primitive and a topological relation between models from the graph file; performing bidirectional comparison of model objects and primitive information after the analysis is completed, and adopting a technical scheme of analyzing the difference of the graph files by taking the model as a reference and analyzing the difference of the model files by taking the graph as a reference;
finally, analysis and comparison results of the two aspects can be integrated to form a feeder line graph-model consistency mutual check analysis report, so that the consistency detection of automation personnel from the two aspects of the model file and the graph file can be effectively and quickly assisted, the possible situations of equipment object loss or redundancy are avoided, and the method has important significance for graph-model management in the power distribution network graph-model offline environment.
The technical scheme of the invention aims at the current situation that an effective global check means is lacked in the existing power distribution network graph-model importing process, the integrity and the correctness of a system network model are difficult to detect on the whole, and from the view point of consistency check of the power distribution network graph-model in an off-line environment, the processing management requirements of all links are checked on the whole consistency check of the graph-model in the power distribution network graph-model importing stage, which serves for topology visualization and aims at the consistency and the integrity of the graph-model.
According to the technical scheme, the situation that the topological connection condition of the feeder line is visually prompted by positioning the feeder line to a specific model file position according to each attribute can be achieved, the situation that equipment objects are missing or redundant in the aspect of consistency check of automation personnel from two aspects of graphs and models can be effectively and quickly assisted, and the method has important significance for graph model management in a power distribution network graph model offline environment.
The following describes an embodiment of the consistency check system of the graph model of the power distribution network in an offline environment according to the present invention with reference to the accompanying drawings.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a consistency check system of a graph model of a power distribution network in an offline environment, and includes:
the attribute checking module is used for checking the basic attributes of various devices in the model file of the power distribution network graph model in an importing stage under an offline environment and positioning each basic attribute to the position of a specific model file;
the network topology checking module is used for carrying out correlation checking on the graph and the model of the power distribution network graph model during import to generate a network topology under an offline environment and checking the topology connection state of the power distribution network graph model according to the network topology;
and the graph-model mutual checking module is used for mutually checking the model file and the graph file of the power distribution network graph model in an off-line environment, acquiring the difference between the model file and the graph file and correcting the difference to ensure the consistency of the power distribution network graph model.
The consistency check system of the graph model of the power distribution network in the offline environment corresponds to the consistency check method of the graph model of the power distribution network in the offline environment one by one, and the technical characteristics and the beneficial effects described in the embodiment of the consistency check method of the graph model of the power distribution network in the offline environment are both applicable to the embodiment of the consistency check system of the graph model of the power distribution network in the offline environment, so that the consistency check system is declared.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for verifying consistency of a power distribution network graph model in an off-line environment is characterized by comprising the following steps:
(1) checking basic attributes of various devices in a model file of a power distribution network graph model in an importing stage in an offline environment, prompting device objects which do not pass the checking, and positioning each basic attribute to the position of a specific model file;
(2) in an off-line environment, carrying out correlation verification on a graph and a model of a power distribution network graph model during import, generating a visual graphical network topological graph through a feeder line model, checking the topological connection state of the power distribution network graph model according to a single line graph model in the graphical network topological graph, and determining the topological connection condition of the feeder line;
(3) the method comprises the steps that mutual verification is conducted on a model file and a graphic file of a power distribution network graphic model under an off-line environment, the difference of the graphic file is analyzed when a primitive set of the model file is taken as a reference, the difference of the model file is analyzed when a model object set of the graphic file is taken as a reference, the difference of the model file and the graphic file is obtained and corrected through bidirectional comparison of the model object and the primitive information, and the consistency of the power distribution network graphic model is ensured; wherein, the consistency analysis of the graph file and the model file comprises the following steps: synchronously analyzing a model file and a graphic file of a power distribution network graphic model in an offline environment; analyzing equipment information participating in the topological relation from the model file, and establishing a primitive set and relation information between primitives; analyzing a model object set contained in each primitive and a topological relation between model objects from the graph file; and performing bidirectional comparison between the model file and the graphic file according to the primitive set and the model object set, and performing consistency mutual check on the power distribution network graphic model.
2. The method for verifying the consistency of the graph model of the power distribution network in the offline environment according to claim 1, wherein the step (1) comprises:
analyzing the model file in the offline environment, extracting objects in the model file, and acquiring the necessary information of the basic attributes of various devices; checking and checking each equipment object in sequence according to the necessary information; and carrying out centralized description on the relevant recorded information of the equipment objects which pass through the non-checking process, and positioning to a specific position in the model file.
3. The method for verifying the consistency of the graph model of the power distribution network in the offline environment according to claim 2, further comprising: prompting the device object which is not passed through the checking, and forming a basic attribute checking report of the power distribution network graph model; and recording each attribute of basic attributes of various types of equipment which fail to pass the checking in the basic attribute checking report, and positioning the basic attribute to a specific position of the model file.
4. The method for consistency check of the power distribution network graphic model in the offline environment according to claim 1, wherein the method for consistency mutual check of the power distribution network graphic model comprises the following steps:
and forming a feeder line graph-model consistency mutual check analysis report according to the comparison result of the two-way comparison, and detecting the condition of missing or redundant equipment objects in the power distribution network graph-model from two aspects of graphs and models.
5. The method for verifying the consistency of the graph model of the power distribution network in the offline environment according to claim 4, further comprising: and according to the comparison result of the bidirectional comparison, correcting the difference between the model file and the graph file to ensure the consistency of the graph model of the power distribution network.
6. The method for verifying consistency of the graphic models of the power distribution network in the offline environment as recited in claim 4, wherein the model files are CIM/XML format files, and the graphic files are SVG format files.
7. The utility model provides a distribution network graph model's uniformity verification system under off-line environment which characterized in that includes:
the attribute checking module is used for checking the basic attributes of various devices in the model file of the power distribution network graph model in an importing stage under an offline environment, prompting the device objects which do not pass the checking, and positioning the basic attributes to the specific positions of the model file;
the network topology checking module is used for carrying out correlation checking on the graph and the model of the power distribution network graph model during import in an off-line environment, generating a visual graphical network topology graph through a feeder line model, checking the topology connection state of the power distribution network graph model according to a single-line graph model in the graphical network topology graph, and determining the topology connection condition of the feeder line;
the graph-model mutual checking module is used for mutually checking the model files and the graphic files of the power distribution network graph-models in an off-line environment, analyzing the differences of the graphic files when the primitive sets of the model files are taken as a reference, analyzing the differences of the model files when the model object sets of the graphic files are taken as a reference, and acquiring and correcting the differences of the model files and the graphic files through bidirectional comparison of the model objects and the primitive information to ensure the consistency of the power distribution network graph-models; wherein, the consistency analysis of the graph file and the model file comprises the following steps: synchronously analyzing a model file and a graphic file of a power distribution network graphic model in an offline environment; analyzing equipment information participating in the topological relation from the model file, and establishing a primitive set and relation information between primitives; analyzing a model object set contained in each primitive and a topological relation between model objects from the graph file; and performing bidirectional comparison between the model file and the graphic file according to the primitive set and the model object set, and performing consistency mutual check on the power distribution network graphic model.
8. The system of claim 7, further comprising:
the network topology checking module is also used for analyzing the model file in the offline environment, extracting objects in the model file and acquiring the necessary information of the basic attributes of various devices; checking and checking each equipment object in sequence according to the necessary information; and carrying out centralized description on the relevant recorded information of the equipment objects which pass through the non-checking process, and positioning to a specific position in the model file.
9. The system of claim 8, further comprising:
the network topology checking module is also used for prompting the equipment objects which fail to be checked and forming a basic attribute checking report of the power distribution network graph model; and recording each attribute of basic attributes of various types of equipment which fail to pass the checking in the basic attribute checking report, and positioning the basic attribute to a specific position of the model file.
10. The system of claim 7, further comprising:
and the graph-model mutual checking module is also used for forming a feeder line graph-model consistency mutual checking analysis report according to the comparison result of the bidirectional comparison, and is used for detecting the condition of missing or redundant equipment objects in the power distribution network graph model from two aspects of graphs and models.
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| CN107730123B (en) * | 2017-10-20 | 2023-04-18 | 国网江苏省电力公司南京供电公司 | Method for checking consistency of dispatching automation graph model specification |
| CN110909101A (en) * | 2019-11-21 | 2020-03-24 | 贵州电网有限责任公司 | GIS import graph model quality monitoring and statistical method |
| 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 |
| CN111191331A (en) * | 2019-12-25 | 2020-05-22 | 中国南方电网有限责任公司 | Transformer substation graph-model data quality verification device and method based on CIM and SVG |
| CN112328538A (en) * | 2020-09-28 | 2021-02-05 | 许继集团有限公司 | PMS2.0 graph model file importing method |
| CN112580178B (en) * | 2020-12-26 | 2022-02-11 | 广东电网有限责任公司电力调度控制中心 | Graph-model bidirectional verification method and device for energy management system |
| CN113641863A (en) * | 2021-08-03 | 2021-11-12 | 广东电网有限责任公司 | GIS-based multi-energy collaborative display method and device |
| CN113870051A (en) * | 2021-09-27 | 2021-12-31 | 南京四方亿能电力自动化有限公司 | Graph-model bidirectional error-free calibration method for power distribution network |
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