CN103208087A - Power distribution network data checking method based on international electrotechnical commission (IEC) 61968 standard - Google Patents
Power distribution network data checking method based on international electrotechnical commission (IEC) 61968 standard Download PDFInfo
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Abstract
The invention relates to the field of power system automation, in particular to a power distribution network data checking method based on the international electrotechnical commission (IEC) 61968 standard. The method is characterized in that a system used by the method comprises a grammar checking module, a semantics checking module and a log module which are sequentially communicated. The method includes the following steps: (1) configuring a checking machine for original data to enable the original data to be applicable to the common information model (CIM) standard used by CIM data; (2) judging whether grammatical mistakes exist in the CIM and writing the grammatical mistakes into the log module; (3) loading in the CIM standard used by the CIM data according to the configured checking machine; (4) judging whether semantics mistakes exist in the CIM model and writing the semantics mistakes into the log module; and (5) outputting an analysis result and a journal. The method improves power distribution network data quality, improves automatic operation level of a power distribution network accordingly, reduces outage cost, and has great social and economical value for safe operation of the power distribution network.
Description
Technical field
The present invention relates to Power System and its Automation, be specifically related to a kind of power distribution network data verification method based on the IEC61968 standard.
Background technology
In order to solve the problem of power distribution network application integration, International Power association (IEC) has formulated the IEC61968 series standard.IEC61968 series standard standard process and the data model of the integrated exchanges data of power distribution network information, be the foundation stone that the robotization of power distribution network is built.Wherein, in the data model part, IEC61968 uses the Common Information Model (Common Information Model is hereinafter to be referred as the CIM model) of 301 part defineds of IEC61970 standard to describe the main object of electrical network, especially relevant with operation of power networks data.Be the power network object of power transmission network and the CIM model of IEC61970 is primarily aimed at, for this reason, IEC61968 is, and the CIM model has been made certain expansion at power distribution network, Here it is the defined power distribution network Common Information Model of IEC61968-11 (Distribution Common Information Model, hereinafter to be referred as the DCIM model), hereinafter, will be referred to as the CIM model to these two models; To use the data of CIM model description to abbreviate the CIM model data as.
According to the definition of IEC61968/IEC61970 standard, the CIM model uses UML language definition, and is divided into core bag (Core), electric wire bag (Wires), assets bag unit such as (Assets).In bag, defined the class of some power system objects, as having defined electric system resource (PowerSystemResource) at core bag (Core), equipment container (EquipmentContainer) and conductive equipment classes such as (ConductingEquipment).Embodying of CIM model data, generally use the XML/RDF file: namely use the XML file to be the carrier of data model, use resource description framework (Resource Description Framework is called for short RDF) the concrete object of specification description CIM model of simple version and mutual relation thereof.
At present at home, 301 parts of IEC61970 standard have become national standard, and the domestic standard relevant with IEC61968 formulated; Electric power enterprise generally uses the CIM model as the data exchange standard model at present.From practice situation, interoperability and the exchanges data of using the CIM model to carry out the electric power enterprise application are feasible, but all have some setbacks, and some is to have finished data exchange task reluctantly, and some is then failed.Often the scene that occurs is: the both sides of swap data claim and support the CIM model, but the CIM model data of exchange but can not be used for the other side understands.3 points of having traced it to its cause:
1. each electric power enterprise, there is separately understanding in manufacturer to the CIM model, and nature can form the difference in the understanding, and the definition of CIM model also has incomplete place, has aggravated the deviation in this understanding; Each side is to the error of the understanding of CIM model, sometimes or even mistake, causes generating, transform, and transmission, exchange is used in the CIM model data process, variety of issue occurs.
2.IEC61968 standard, the IEC61970 standard still in evolution and revision process, during this period, a plurality of CIM model version occurred, if the CIM model version that each side uses is inconsistent, even a fine difference on the CIM model also can cause adverse effect to the model data exchange.
3. in CIM model data generative process, because the improper processing of the defective of power distribution network raw data and CIM model data Core Generator all may cause the CIM model data of generation to have variety of problems, go wrong when causing swap data.
Interoperability and exchanges data that power distribution network is used are the integrated necessary means of information, and the defective of this CIM model data has hindered carrying out smoothly of interoperability and exchanges data, has hindered the information automation process of power distribution network.
Summary of the invention
At the deficiencies in the prior art, the purpose of this invention is to provide a kind of power distribution network data verification method based on the IEC61968 standard, the present invention has promoted the raising of the distribution quality of data, thereby improves distribution network automated operation level, reduces loss of outage.Have very big society and economic worth for the safe operation that guarantees power distribution network.
The objective of the invention is to adopt following technical proposals to realize:
A kind of power distribution network data verification method based on the IEC61968 standard, its improvements are that the system that described method is used comprises syntax check module, semantic test module and the log pattern that communicates successively; Described method comprises the steps:
(1) for raw data configuration collator, make it be applicable to the employed CIM model of CIM model data standard;
(2) judge whether there is grammar mistake in the CIM model, and grammar mistake is write log pattern;
(3) according to the collator of configuration, be written into the employed CIM model of CIM model data standard;
(4) judge whether there is semantic error in the CIM model, and semantic error is write log pattern;
(5) with analysis result and daily record output.
Preferably, described syntax check module is used for checking the grammar mistake of CIM model data, and the syntax check module comprises XML analyzer and RDF Schema checker;
Described XML analyzer is used for the XML file layout of data is checked; Described RDF Schema checker is used for the verification XML document and whether meets RDF Schema standard;
Described grammar mistake comprises:
＜1〉the XML file layout mistake of CIM model data file;
＜2〉the due XML NameSpace of CIM model data missing documents;
＜3〉there is the document that does not meet RDF Schema standard in CIM model data file.
Preferably, described semantic test module is used for checking the semantic error of CIM model data; The semantic test module comprises distribution IEC61968CIM model adapter and distribution IEC61968CIM model checking device;
Described distribution model IEC61968CIM adapter is responsible for being written into CIM model rule, uses for distribution IEC61968CIM model checking device;
Described distribution IEC61968CIM model checking device is responsible for the inspection of CIM model data semantic level;
Described semantic error comprises:
There is XML element or the CIM class that does not meet this version CIM model definition in I, the CIM model data;
The data type mistake of the determinant attribute of CIM class disappearance or determinant attribute in II, the CIM model data;
The less important attribute disappearance of CIM class or the data type mistake of less important attribute in III, the CIM model data;
Be electrically connected terminal and the connected node disappearance of equipment in IV, the CIM model data.
Preferably, described log pattern is used for admin log and report, and check result is write daily record, forms report.
Preferably, described step (2) comprises the steps:
A, utilize the XML language rule to check the XML file layout, and call log pattern, form legitimacy, the integrity checking result of XML file write log pattern;
B, check the NameSpace whether have RDF standard and CIM model regulation (the general following form of these NameSpaces:＜rdf:RDFxmlns:rdf=" http://www.w3.org/1999/02/22-rdf-syntax-ns# " xmlns:cim=" http://www.sgcc.com.cn/SG-CIM/2010MAY# " 〉, if there are not these NameSpaces, illustrate that then this document is not legal XML/RDF file) and check result write log pattern;
C, use RDF Schema checker carry out verification to the CIM document of XML/RDF form, determine whether to meet the standard of RDF Schema, and write log pattern.
Preferably, described step (4) comprises the steps:
1. travel through the CIM model data, whether checking has the CIM element that does not belong to this version;
2. travel through the CIM model data, check whether the determinant attribute (the id attribute of determinant attribute such as class, name attribute and mrid attribute) of CIM class lacks or the data type mistake, write log pattern;
3. travel through the CIM model data, check whether the less important attribute (less important attribute such as length, capacity, on off state etc.) of CIM class lacks or the data type mistake, write log pattern;
4. travel through the CIM model data, whether terminal and the tie point that checks the electrical equipment in the CIM model data lacks that (electrical equipment generally has one to three terminal, it is electrical connection terminal, and the attribute or a plurality of attribute that show as electrical equipment class of the terminal of electrical equipment in model data, as terminal1, terminal2; And tie point, in model data, represent with the ConnectivityNode class, generally be used for describing two interconnective situations of above electrical equipment terminal, the terminal attribute connection each other of each electrical equipment class just), and the tie point situation not corresponding with equipment, write log pattern.
Compared with the prior art, the beneficial effect that reaches of the present invention is:
1, the core content of method of calibration of the present invention is to the bad data identification based on the CIM model of IEC61968 standard.Method of calibration of the present invention provides the diagnosis of clear and definite type of error and position, and writes daily record at all kinds of mistakes that power distribution network CIM model data may occur; Daily record will report and submit data set provider manually to examine.Innovative point in this process, namely 1) multiple input data error type is enumerated as far as possible completely; 2) identification of error in data.3) to adaptation and the support of the CIM model of the employed different editions of distribution data.
2, method of calibration of the present invention is carried out identification to the bad data in the power distribution network CIM model data automatically, can solve the CIM model data quality problems of following distribution:
1〉XML file layout mistake;
2〉CIM object instance and model do not match;
3〉determinant attribute of CIM object disappearance, the type error problem;
4〉the described electrical equipment terminal of model data and tie point disappearance and mismatch problem.
3, can to solve the quality of distribution data generally not high for method of calibration provided by the invention, hinders this problem of carrying out of distribution automation, has practicality widely; CIM model and power transmission network that the present invention uses are basically identicals, have also just determined the present invention can be used for the solution of the similar problem of power transmission network specialty.The present invention is easy to realize, carries out the efficient height, but a large amount of distribution data of fast processing improve the work efficiency of distribution enterprise.The present invention has promoted the raising of the distribution quality of data, thereby improves distribution network automated operation level, reduces loss of outage.Have very big society and economic worth for the safe operation that guarantees power distribution network.
Description of drawings
Fig. 1 is the power distribution network data verification system figure based on the IEC61968 standard provided by the invention;
Fig. 2 is the power distribution network data verification method process flow diagram based on the IEC61968 standard provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Power distribution network data verification system figure based on the IEC61968 standard provided by the invention comprises the syntax check module, semantic test module and the log pattern that communicate successively as shown in Figure 1; The syntax check module is used for checking the grammar mistake of CIM model data, and the syntax check module comprises XML analyzer and RDF Schema checker; The XML analyzer is used for the XML file layout of data is checked; RDF Schema checker is responsible for further verification XML document and whether is met RDF Schema standard; The semantic test module is used for checking the semantic error of CIM model data; The semantic test module comprises distribution IEC61968CIM model adapter and distribution IEC61968CIM model checking device; Distribution model IEC61968CIM adapter is responsible for being written into CIM model rule, uses for distribution IEC61968CIM model checking device; Distribution IEC61968CIM model checking device is responsible for the inspection of CIM model data semantic level, whether meets the definition of current C IM version as checking the CIM class, and whether determinant attribute lacks etc.Log pattern is in charge of daily record and function of reporting, and check result is write daily record, forms final report etc.
Method of calibration provided by the invention is applicable in the power distribution network verification based on the CIM model data of IEC61968 standard.At present at home, the network master data of power distribution network exchanges the CIM model in the IEC61968 standard that has generally adopted certain version, say so accurately and use CIM/RDF as the data exchange standard form, and in real work, all there is grammer in a lot of CIM model datas, the problem of semantic aspect.Use this method of calibration, can check whether the form of power distribution network data meets the CIM toy grammar of its employed IEC61968 standard, whether have the element that does not meet this version CIM model at semantic level.This method of calibration can be carried out identification to non-compliant data according to the CIM model among the employed IEC61968 of CIM model data, makes things convenient for the Search and Orientation of misdata and further processing.The present invention has promoted the raising of the distribution quality of data, thereby improves distribution network automated operation level, reduces loss of outage.Have very big society and economic worth for the safe operation that guarantees power distribution network.
The core content of this method of calibration is to the bad data identification based on the CIM model of IEC61968 standard.This method of calibration provides the diagnosis of clear and definite type of error and position, and writes log pattern at all kinds of mistakes that power distribution network CIM model data may occur; Log pattern will report and submit data set provider manually to examine.Difficult point in this process, namely 1) multiple input data error type is enumerated as far as possible completely; 2) identification of error in data.3) to adaptation and the support of the CIM model of the employed different editions of distribution data.Above-mentioned 3 also is the core innovative point of the present patent application.
The mistake that distribution CIM model data often occurs comprises:
1. the XML file layout mistake of data file is not as being well-formed's XML document, because mess code etc. appears in encoded question.
2. data file lacks due XML NameSpace.
3. data file is the document that does not meet RDF schema standard.
4. there is the XML element (or CIM class) that does not meet this version CIM model definition in the data
5. the data type mistake of the determinant attribute of concrete CIM class disappearance or determinant attribute in the data, as the ID of disappearance RDF and in the CIM more recent version necessary mrid attribute.
6. the less important attribute disappearance of concrete CIM class or the data type mistake of less important attribute in the data are as extending this as character value with certain numerical attribute.
7. be electrically connected terminal and the connected node disappearance of equipment in the data.
Problem in the CIM model data that runs in the real work may be the compound of above-mentioned several situations.Also may have the not mistake in above-mentioned situation, the present invention is intended to handle above-mentioned several mistake, and wherein 1-3 belongs to the mistake of grammer aspect, and 4-7 belongs to the mistake of semantic level.
Processing policy for above-mentioned mistake is: at first handle the grammar mistake of 1-3, if grammar mistake, behind record, just the result is returned the raw data supplier and handles; If there is not grammar mistake, then continue to check the problem on the semantic level: wherein, 4,5 two kinds of situations belong to the mistake that must correct, the result is returned the raw data supplier handle; 6,7 belong to negligible problem, only record problem, look configuring condition and determine whether should return raw data supplier processing.
Power distribution network data verification method process flow diagram based on the IEC61968 standard provided by the invention comprises the steps: as shown in Figure 2
(1) for raw data configuration collator, make it be applicable to the employed CIM model of CIM model data standard;
(2) judge whether there is grammar mistake in the CIM model, and grammar mistake is write log pattern;
Step (2) comprises the steps:
A, utilize the XML language rule to check the XML file layout, use the XML analyzer to the coding of XML, the formedness of structure checks, and calls log pattern, and form legitimacy, the integrity checking result of XML file write log pattern;
B, check the NameSpace whether have RDF standard and CIM model regulation (the general following form of these NameSpaces:＜rdf:RDFxmlns:rdf=" http://www.w3.org/1999/02/22-rdf-syntax-ns# " xmlns:cim=" http://www.sgcc.com.cn/SG-CIM/2010MAY# " 〉, if there are not these NameSpaces, illustrate that then this document is not legal XML/RDF file), and write log pattern;
C, use RDF Schema checker carry out verification to the CIM data file of XML/RDF form, determine whether to meet the standard of RDF Schema, and write log pattern.
(3) according to the collator of configuration, be written into the employed CIM model of CIM model data standard;
(4) judge whether there is semantic error in the CIM model, and semantic error is write log pattern;
Step (4) comprises the steps:
1. travel through the CIM model data, whether checking has the CIM element that does not belong to this version;
2. travel through the CIM model data, check whether the determinant attribute (the id attribute of determinant attribute such as class, name attribute and mrid attribute are if these attributes lack then cause distinguishing this CIM class) of CIM class lacks or the data type mistake, write log pattern;
3. travel through the CIM model data, check less important attribute (less important attribute such as length, capacity, the on off state etc. of CIM class, if these attributes disappearance would cause this CIM class unavailable in some application scenario) whether lack or the data type mistake, write log pattern;
4. travel through the CIM model data, whether terminal and the tie point that checks electrical equipment lacks that (electrical equipment generally has one to three terminal, it is electrical connection terminal, and the attribute or a plurality of attribute that show as electrical equipment class of the terminal of electrical equipment in model data, as terminal1, terminal2; And tie point, in model data, represent with the ConnectivityNode class, generally be used for describing two interconnective situations of above electrical equipment terminal, the terminal attribute connection each other of each electrical equipment class just) and the tie point situation not corresponding with equipment, write log pattern.
(5) with analysis result and daily record output.
Power distribution network data verification method based on the IEC61968 standard provided by the invention utilizes the XML language rule, and the grammar mistake of RDF normalized checking CIM model data.Utilize the ultimate principle of definition and the distribution of CIM model, check the semantic error of CIM model data.Distribution IEC61968CIM model adapter wherein, can flexible configuration adapt to the CIM model of various version, can carry out verification to the CIM model data of multiple version, the present invention has promoted the raising of the distribution quality of data, thereby improve distribution network automated operation level, reduce loss of outage.Have very big society and economic worth for the safe operation that guarantees power distribution network.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the power distribution network data verification method based on the IEC61968 standard is characterized in that, the system that described method is used comprises syntax check module, semantic test module and the log pattern that communicates successively; Described method comprises the steps:
(1) for raw data configuration collator, make it be applicable to the employed CIM model of CIM model data standard;
(2) judge whether there is grammar mistake in the CIM model, and grammar mistake is write log pattern;
(3) according to the collator of configuration, be written into the employed CIM model of CIM model data standard;
(4) judge whether there is semantic error in the CIM model, and semantic error is write log pattern;
(5) with analysis result and daily record output.
2. power distribution network data verification method as claimed in claim 1 is characterized in that, described syntax check module is used for checking the grammar mistake of CIM model data, and the syntax check module comprises XML analyzer and RDF Schema checker;
Described XML analyzer is used for the XML file layout of data is checked; Described RDF Schema checker is used for the verification XML document and whether meets RDF Schema standard;
Described grammar mistake comprises:
＜1〉the XML file layout mistake of CIM model data file;
＜2〉the due XML NameSpace of CIM model data missing documents;
＜3〉there is the document that does not meet RDF Schema standard in CIM model data file.
3. power distribution network data verification method as claimed in claim 1 is characterized in that, described semantic test module is used for checking the semantic error of CIM model data; The semantic test module comprises distribution IEC61968CIM model adapter and distribution IEC61968CIM model checking device;
Described distribution model IEC61968CIM adapter is responsible for being written into CIM model rule, uses for distribution IEC61968CIM model checking device;
Described distribution IEC61968CIM model checking device is responsible for the inspection of CIM model data semantic level;
Described semantic error comprises:
There is XML element or the CIM class that does not meet this version CIM model definition in I, the CIM model data;
The data type mistake of the determinant attribute of CIM class disappearance or determinant attribute in II, the CIM model data;
The less important attribute disappearance of CIM class or the data type mistake of less important attribute in III, the CIM model data;
Be electrically connected terminal and the connected node disappearance of equipment in IV, the CIM model data.
4. power distribution network data verification method as claimed in claim 1 is characterized in that, described log pattern is used for admin log and report, and check result is write daily record, forms report.
5. power distribution network data verification method as claimed in claim 1 is characterized in that, described step (2) comprises the steps:
A, utilize the XML language rule to check the XML file layout, and call log pattern, form legitimacy, the integrity checking result of XML file write log pattern;
Whether B, inspection exist the NameSpace of RDF standard and CIM model regulation and check result are write log pattern;
C, use RDF Schema checker carry out verification to the CIM document of XML/RDF form, determine whether to meet the standard of RDF Schema, and write log pattern.
6. power distribution network data verification method as claimed in claim 1 is characterized in that, described step (4) comprises the steps:
1. travel through the CIM model data, whether checking has the CIM element that does not belong to this version;
2. travel through the CIM model data, check whether the determinant attribute of CIM class lacks or the data type mistake, write log pattern;
3. travel through the CIM model data, check whether the less important attribute of CIM class lacks or the data type mistake, write log pattern;
4. travel through the CIM model data, check the terminal of the electrical equipment in the CIM model data and the situation that whether tie point lacks and tie point is not corresponding with equipment, write log pattern.
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Application publication date: 20130717 |