CN104317864B - A method of the information model automatic identification based on IEC61850 logical nodes - Google Patents
A method of the information model automatic identification based on IEC61850 logical nodes Download PDFInfo
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- 239000002131 composite material Substances 0.000 claims description 3
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Abstract
The present invention relates to a kind of methods of the information model automatic identification based on IEC61850 logical nodes, belong to the general field of computer software technology and power system automation technology.The present invention is by establishing IEC61850 logical node mapping ruler matrixes, data object in data set is mapped in defined processing scheme, configure common data rule-like library, after initial system model object being produced using CDC rule bases, query logic node rule matrix is removed with data-object index, then according to the processing scheme setting privately owned attribute of system model object matched, the automatic identification of information model is completed.The present invention reduces the manual intervention situation in the configuration of intelligent substation database, solves the problem of configuration work amount is big, and efficiency is low, is easy error, working efficiency is made to be significantly improved.
Description
Technical field
The present invention relates to a kind of methods of the information model automatic identification based on IEC61850 logical nodes, belong to computer
The general field of software technology and power system automation technology.
Background technology
In intelligent substation monitoring system, the foundation of database information model is a key link.In Practical Project,
(meet the file of intelligent electronic equipment of transformer substation configuration language SCL specifications by parsing SCD file, be that data are handed in substation
The standard language changed) content, the configuration information of transformer substation described with XML is generated into interval, device, four two-dimentional table models such as distant
System database.Then many privately owned attributes of system database information model are that do not have description, system database in SCD file
The many attributes of model need to carry out manual configuration, and configuration work amount is big, and efficiency is low and easy error.
Invention content
The purpose of the present invention is a kind of methods of the information model automatic identification based on IEC61850 logical nodes, to solve
Model configuration, which need to manually carry out configuration, in intelligent substation project implementing process causes efficiency low and engineering staff's configuration burden
The problem of weight.
It is automatic that the present invention provides a kind of information model based on IEC61850 logical nodes to solve above-mentioned technical problem
Know method for distinguishing, this approach includes the following steps：
1) IEC61850 logical nodes are based on, SCD file content is parsed, the data object in SCD file is mapped to certainly
In the processing scheme of definition, to establish logical node rule mapping matrix；
2) rule table that common data class generates SCD data objects to system model object is advised as common data class
Then library；
3) common data rule-like library is used to generate initial system model object, with data-object index query logic node
Regular matrix is arranged the privately owned attribute of system model object according to the processing scheme matched, completes the automatic identification of information model.
The IEC61850 use Object -Oriented Model method, define tree-like, stratification data model, on to
Under be followed successively by logical device, logical node, data object and data attribute.
The type of the common data class includes base data type, simple composite data type, and nested public
Data class.
Data object in the SCD file must belong to a certain common data class.
The SCD file is parsed using SAX modes, and the load of SCD contents is completed with smaller memory headroom, improves big text
Part analyzing efficiency.
The beneficial effects of the invention are as follows：The present invention is by establishing IEC61850 logical node mapping ruler matrixes, by data
The data object of concentration is mapped in defined processing scheme, is configured common data rule-like library, can be given birth to using CDC rule bases
After initial system model object, query logic node rule matrix is removed with data-object index, then according to the place matched
The privately owned attribute of system model object is arranged in reason scheme, completes the automatic identification of information model.The present invention reduces intelligent substation number
Manual intervention situation in being configured according to library solves the problem of configuration work amount is big, and efficiency is low, is easy error, makes working efficiency
It is significantly improved.
Description of the drawings
Fig. 1 is IEC61850 object model schematic diagrames；
Fig. 2 is IEC61850 template class object model schematic diagrames；
Fig. 3 is IEC61850 entity class object model schematic diagrames；
Fig. 4 is system model product process figure.
Specific implementation mode
The specific implementation mode of the present invention is further described below in conjunction with the accompanying drawings.
The present invention is big for configuration amount present in engineering configuration, and the low problem of efficiency provides one kind and is based on
The information model automatic identifying method of IEC61850 logical nodes, as shown in Figure 1, mapping ruler library is established by IEC61850,
When generating system information model database, according to the mapping ruler library established, the multiple privately owned attributes of system information model are realized
Automatic identification, wherein model mapping block input be SCD parsing modules structure 61850 object model spaces, export to be
System information model object space, is the nucleus module entirely realized.According to the mapping ruler library previously built up, logical node mapping
61850 original data objects are mapped directly to the information model of system approval by regular matrix, public database rule base
Object is not required to carry out cumbersome human configuration again.Data memory module provides the query interface to relational database, mainly there is number
It is investigated that asking, modification, deleting function.It is called for model mapping block, system information model is imported into relational database.
The flow of this method is as shown in figure 4, specifically include following steps：
1. being based on IEC61850 logical nodes, SCD file content is parsed, the data object in SCD file is mapped to certainly
In the processing scheme of definition, to establish logical node rule mapping matrix, as shown in table 1.
IEC61850 use Object -Oriented Model method, define tree-like, stratification data model, from top to bottom according to
Secondary is logical device (logical device, LD), logical node (logical node, LN), data object (logical
Device, DO), data attribute (data attribute, DA), as shown in Figure 1-Figure 3.According to hierarchical relationship, each object can
A globally unique index (path) is generated, format is LD/LN $ FC $ DO $ DA.Mapping ruler matrix is then according to LN and DO
Claim, it will be in a processing scheme defined in the DO object maps to system in data set.
Because SCD file itself is larger, prodigious memory headroom will be occupied by adopting DOM modes and parsing, and be parsed using SAX modes
SCD file completes the load of SCD contents with smaller memory headroom, to improve big document analysis efficiency.
Table 1
Customized processing scheme is as shown in table 2.
Table 2
2. configuring common data class (CDC) rule base
IEC61850-7-3 defines multiple CDC classes, and also there are expansion, the data attribute that CDC classes include, type packet in the country
Include base data type, simple composite data type, and nested CDC classes.Data object (attribute) in SCD file must
Belong to a certain CDC classes, it therefore, can be according to the rule table of CDC classes one SCD data object of generation to system model object, such as
Shown in table 3.
Table 3
3 parsing SCD file contents, generate system model object database.
According to common data class (CDC) rule base and logical node rule mapping matrix, automatic creation system information model.
After producing initial system model object using CDC rule bases, query logic node rule matrix is removed with data-object index, so
Afterwards according to the processing scheme setting privately owned attribute of system model object matched, the automatic identification of information model is completed.
Claims (5)
1. a kind of method of the information model automatic identification based on IEC61850 logical nodes, which is characterized in that this method includes
Following steps：
1) IEC61850 logical nodes are based on, SCD file content is parsed, the data object in SCD file is mapped to self-defined
Processing scheme on, to establish logical node rule mapping matrix；
2) using the rule table of common data class generation SCD data objects to system model object as common data rule-like
Library；
3) common data rule-like library is used to generate initial system model object, with data-object index query logic node rule
Matrix is arranged the privately owned attribute of system model object according to the processing scheme matched, completes the automatic identification of information model.
2. the method for the information model automatic identification according to claim 1 based on IEC61850 logical nodes, feature
It is, the IEC61850 uses Object -Oriented Model method, defines tree-like, stratification data model, from top to bottom
It is followed successively by logical device, logical node, data object and data attribute.
3. the method for the information model automatic identification according to claim 2 based on IEC61850 logical nodes, feature
It is, the type of the common data class includes base data type, simple composite data type, and nested common data
Class.
4. the method for the information model automatic identification according to claim 3 based on IEC61850 logical nodes, feature
It is, the data object in the SCD file must belong to a certain common data class.
5. the method for the information model automatic identification according to claim 4 based on IEC61850 logical nodes, feature
It is, the SCD file is parsed using SAX modes, and the load of SCD contents is completed with smaller memory headroom, improves big file
Analyzing efficiency.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104598628A (en) * | 2015-02-05 | 2015-05-06 | 贵州电网公司六盘水供电局 | Intelligent substation SCD (substation configuration description) resolving method based on SAX |
| CN106201444A (en) * | 2015-04-29 | 2016-12-07 | 南京南瑞继保电气有限公司 | A kind of generic Extensible programmed symbol modeling method |
| CN104794300A (en) * | 2015-04-29 | 2015-07-22 | 南京南瑞继保电气有限公司 | Automatic generation method for IEC 61850 logic node graphic symbols |
| CN105652137B (en) * | 2015-12-28 | 2018-07-24 | 云南电网有限责任公司电力科学研究院 | A kind of substation's on-line monitoring and diagnosis method of model identification and device |
| CN106056227B (en) * | 2016-07-13 | 2020-02-21 | 南京国电南自电网自动化有限公司 | Intelligent substation service tracking method based on IEC61850 standard |
| CN106202026A (en) * | 2016-08-01 | 2016-12-07 | 广州市优普电力科技有限公司 | Editor's multiplexing method of intelligent substation automation equipment model file |
| CN106888126B (en) * | 2017-03-30 | 2020-07-03 | 凌云天博光电科技股份有限公司 | Network management data modeling method |
| CN110008538B (en) * | 2019-03-19 | 2022-07-22 | 南京南瑞继保电气有限公司 | IEC 61850-based distributed optical fiber temperature measurement data modeling method |
| CN110781162A (en) * | 2019-09-27 | 2020-02-11 | 国电南瑞科技股份有限公司 | Database modeling method based on SCD |
| CN112651136B (en) * | 2020-12-31 | 2022-01-21 | 广东电网有限责任公司电力科学研究院 | CIM equipment measurement model generation method, device, equipment and medium |
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