CN103729732A - Distributed energy resource information modeling and information interacting method - Google Patents
Distributed energy resource information modeling and information interacting method Download PDFInfo
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Abstract
The invention discloses a distributed energy resource information modeling and information interacting method. Firstly, abstract analysis is conducted on distributed energy resources, and abstract class domains of the distributed energy resources are determined; secondly, concrete analysis is conducted on equipment of the distributed energy resources and other resources, and properties and property value types of abstract classes of the distributed energy resources are extracted; then, differentiation analysis is conducted on the abstract classes and the properties of the distributed energy resources and electric system public information models made according to the IEC61970/61968 series standard, the abstract classes needing domain expansion and the properties needing private expansion are determined, and as for the abstract classes and the properties existing in the standard, a mapping relation is built; on the basis of distributed energy resource information models built according to the information modeling method, according to the service scene requirement for intelligent power grid management and monitoring, messages of the distributed energy resources are designed for information interaction based on information integration buses. The distributed energy resource information modeling and information interacting method solves the technical problem of uniform information modeling of the distributed energy resources in the intelligent power grid context and the problem of information interacting of the distributed energy resources during intelligent power grid equipment management and power gird dispatching.
Description
Technical field
The present invention relates to intelligent grid information integration field for the modeling method of distributed energy common information model, and the distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard.
Background technology
Along with the exhaustion of fossil fuel and day by day increasing the weight of of environmental problem, the importance of distributed clean energy resource is upgrading gradually.The fast development of intelligent grid has proposed new requirement to the information of distributed energy is integrated, and the information of photovoltaic, fuel cell, wind-powered electricity generation, accumulator system distributed unit all needs to carry out integrated.The integrated key of information is that each system will have unified information model, the OO CIM model that electric system at present more and more adopts IEC61970/61968 to formulate; And in standard C IM, the model of distributed energy is not related to, in order to meet the integrated demand of distributed energy information, be necessary distributed energy to carry out unified information modeling.
The CIM model that distributed energy is carried out to abstractdesription is the integrated basis of intelligent grid information, how reasonably at energy management system (energy management system, EMS), data acquisition and monitoring system (supervisory control and data acquisition system, SCADA) and production management system (production management system, PMS) etc. in system, realize the transmission of distributed energy model and information between different system, the situation of reflection distributed energy operation and management, be not only and realize the integrated important step of intelligent grid information, also be one of urgent problem in theoretical research and engineering practice, so need to propose a kind of information interacting method of distributed energy.
Summary of the invention
In order to address the above problem, first object of the present invention is that a kind of OO distributed energy information modelling approach will be provided, by abstract classification, concrete analysis, differentiation to distributed energy, contrast, determine class and the attribute of the distributed energy information model that needs expansion, then according to the information modeling principle of CIM, distributed energy is carried out to information modeling, for the unified information modeling of distributed energy provides method, met the integrated demand of intelligent grid information.
For achieving the above object, OO distributed energy information modelling approach concrete steps provided by the invention are as follows:
S1: distributed energy is carried out to abstract analysis, determine the abstract class field of distributed energy;
S2: the resources such as the equipment of distributed energy, assets are made a concrete analysis of, extracted attribute and the property value type of distributed energy abstract class;
S3: the electric system common information model of the abstract class of distributed energy and attribute and the formulation of IEC61970/61968 series standard is carried out to difference analysis, determine and need to carry out the abstract class of field expansion and the attribute that carries out privately owned expansion, and for existing abstract class and attribute in standard C IM, do not need to set up new abstract class and attribute, the class directly and in standard C IM is set up mapping relations;
S4: for the distributed energy abstract class and the attribute that there is no corresponding class in standard C IM determined in difference analysis, follow the CIM model extension principle of IEC61970/61968 series standard regulation and carry out distributed energy information modeling.
As preferably, in above-mentioned steps S4, when distributed energy information is carried out to CIM modeling, CIM model that can not criterion of failure can only corresponding class derive from according to the rule of IEC61970/61968 series standard during to modeling from standard C IM.
As preferably, in above-mentioned steps S4, when distributed energy information is carried out to CIM modeling, if application scenarios need to increase new application, in standard C IM, expand new bag to meet the demand of business scenario.
As preferably, in above-mentioned steps S3, if the equipment of distributed energy or resource can not be corresponding with existing class in standard C IM, need to expand new abstract class, the new class of expansion corresponding parent from standard C IM is inherited, and determines the bag at place according to its functional requirement, by analysis, expands corresponding attribute, if the new class of expansion is relevant to existing class or other new classes, according to actual conditions, set up corresponding association or syntagmatic.
As preferably, in above-mentioned steps S3, if the equipment of distributed energy or resource existing corresponding class in standard C IM, but require to increase attribute and property value according to application scenarios, after such, derive from a new class, in new class, increase corresponding attribute and property value.
As preferably, when distributed energy information is carried out to CIM modeling, the new class of all expansions and the definition of attribute thereof with name all with reference to relevant international term standard and document.
Second object of the present invention is exactly the distributed energy information interacting method that a kind of electric power enterprise information Integration Bus based on IEC61970/61968 standard will be provided, allow the message of the information model design distributed energy that user sets up by above-mentioned distributed energy information modelling approach, utilize the transmission of distributed energy message on information Integration Bus realize distributed energy information between different system alternately.Specifically comprise the steps:
T1: the business scenario to distributed energy information interaction is analyzed, determines information interaction figure;
T2: according to the demand of business scenario, the information model of setting up based on above-mentioned distributed energy information modelling approach, relation between the class that extraction need to be used, attribute and class, formation model subset.
T3: according to model subset, the instantiation of object in subset and hierarchical relationship, adduction relationship are done to further design, form the distributed energy message that meets XML Schema form;
T4: the exchange scene to distributed energy is analyzed, determine the transfer mode of distributed energy message on information Integration Bus, select corresponding gerund to carry out interacting message, realize the mutual of information data between distributed energy application management system and each system.
In above-mentioned steps T4, when carrying out interacting message, distributed energy application management system and each system defer to verb and noun in standard message definition.
In above-mentioned steps T4, in the not high occasion of requirement of real-time, by the extended message of distributed energy, in the bus based on IEC61970/61968 standard, transmit.
Generally speaking, the present invention proposes a kind of OO distributed energy information modelling approach and the distributed energy information interacting method based on information Integration Bus, by information modelling approach of the present invention, can set up unified information model for distributed energy, for the integrated support that supplies a model of the information of distributed energy in intelligent grid, on model basis, by information interacting method of the present invention, just can realize the information interaction of distributed energy.
The present invention has adopted above technical scheme, compared with prior art, has the following advantages:
1, the OO distributed energy information modelling approach that the present invention proposes is more consistent with the standard C IM model of describing electric system, can carry out seamless information fusion with original system;
2, the distributed energy information interacting method based on information Integration Bus that the present invention proposes has overcome the drawback of conventional point to dot information interactive mode, has reduced the coupling between system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of OO distributed energy information modelling approach of the present invention;
Fig. 2 is the process flow diagram of OO distributed energy information modelling approach of the present invention;
Fig. 3 is the schematic diagram of the distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard of the present invention;
Fig. 4 is the process flow diagram of the distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard;
Fig. 5 is the structural drawing of the distributed energy message of the distributed energy model extension based on distributed energy information modelling approach foundation of the present invention;
Fig. 6 is the precedence diagram of distributed energy information interacting method.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail, but following embodiment is not intended to limit the present invention.
A distributed energy information modelling approach, with reference to accompanying drawing 1, first carries out abstract analysis to distributed energy equipment, assets etc., determines abstract class and the attribute of distributed energy, then carries out difference analysis with standard C IM, carries out Model Mapping and expansion.
The concrete steps of OO distributed energy information modelling approach are as shown in Figure 2:
S1: distributed energy is carried out to abstract analysis, determine the abstract class field of distributed energy, equipment, assets, protection and the management etc. that are about in distributed energy are abstracted into corresponding class according to OO thought;
S2: the resources such as the equipment of distributed energy, assets are made a concrete analysis of, extracted attribute and the property value type of distributed energy abstract class;
S3: the electric system common information model of the abstract class of distributed energy and attribute and the formulation of IEC61970/61968 series standard is carried out to difference analysis, for existing abstract class and attribute in standard, by setting up mapping relations, and determine and need to carry out the abstract class of field expansion and the attribute that carries out privately owned expansion; If the equipment of distributed energy or resource can not be corresponding with existing class in standard C IM, need to expand new abstract class, the new class of expansion corresponding parent from standard C IM is inherited, according to its functional requirement, determine the bag at place, by analysis, expand corresponding attribute, if the new class of expansion is relevant to existing class or other new classes, according to actual conditions, set up corresponding association or syntagmatic.If the equipment of distributed energy or resource be existing corresponding class in standard C IM, but require to increase attribute and property value according to application scenarios, after such, derive from a new class, in new class, increase corresponding attribute and property value.
S4: the distributed energy abstract class and the attribute that in standard C IM, there is no corresponding class for difference analysis, determined, follow the CIM model extension principle of IEC61970/61968 series standard regulation and carry out distributed energy information modeling.When distributed energy information is carried out to CIM modeling, CIM model that can not criterion of failure can only corresponding class derive from according to the rule of IEC61970/61968 series standard during to modeling from standard C IM.When distributed energy information is carried out to CIM modeling, if application scenarios need to increase new application, in standard C IM, expand new bag to meet the demand of business scenario.
When distributed energy information is carried out to CIM modeling, the new class of all expansions and the definition of attribute thereof with name all with reference to relevant international term standard and document.
The distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard:
With reference to accompanying drawing 3, distributed energy integrated information management platform is connected on the information Integration Bus based on IEC61970/61968 standard by interface, utilize transmission and the system such as production management system, data acquisition and monitoring system and Geographic Information System of distributed energy message on information Integration Bus to carry out information interaction, distributed energy message pattern with Publish-subscribe and request-reply in bus is transmitted.The distributed energy message of transmitting is the modelling of setting up of the OO distributed energy information modelling approach that proposes based on the present invention, and its structural drawing as shown in Figure 5.
The concrete steps of the distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard are as shown in Figure 4:
T1: the business scenario to distributed energy integrated information management platform information interaction is analyzed, determine information interaction figure, distributed energy integrated information management platform and Geographic Information System are obtained topological geodata alternately, obtain metric data with data acquisition and monitoring system interaction, obtain alternately asset management data with production management system;
T2: according to the demand of business scenario, extract relation between part class, attribute and the class in distributed energy information model, as the model subset under business scenario;
T3: according to model subset, formulate suitable instantiation rule, object hierarchy, adduction relationship, the message of design distributed energy.The message body of distributed energy message comprises three parts, and topological sum geography information part be take NetworkDataSet as container, and asset equipment information be take AssetList as container, measures part and take MeasurementList as container, as shown in Figure 5;
T4: the exchange scene to distributed energy is analyzed, determine the transfer mode of distributed energy message on information Integration Bus, select corresponding gerund to carry out interacting message, distributed energy integrated information management platform obtains topological geodata with Publish-subscribe pattern from Geographic Information System, from data acquisition and monitoring system acquisition metric data, with ask-answer-mode, from production management system, obtain asset management data.The precedence diagram that distributed energy integrated information platform and other system carry out information interaction as shown in Figure 6.
In sum, the present invention proposes a kind of OO distributed energy information modelling approach, utilize OO method to carry out unified information modeling to distributed energy, solved the Unified Expression of distributed energy in intelligent grid information is integrated, the distributed energy information interacting method of the electric power enterprise information Integration Bus based on IEC61970/61968 standard has been proposed simultaneously, according to the scene analysis of distributed energy integrated information management platform and other system information interaction, the information model design distributed energy message that the OO distributed energy information modelling approach proposing based on the present invention is set up, the gerund corresponding to feature selecting of reference information exchange scene, realize the information interaction of distributed energy integrated information management platform and other system, solved the application of distributed energy in intelligent grid equipment control and dispatching of power netwoks.
Described embodiment gives an example for convenience of description, and the interest field that the present invention advocates should be as the criterion with described in claim, but not only limits to described embodiment.All equalizations of doing according to the claims in the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. a distributed energy information modelling approach, is characterized in that comprising the steps:
1) first distributed energy is carried out to abstract analysis, determine the abstract class field of distributed energy;
2) secondly the equipment of distributed energy, asset source are made a concrete analysis of, extracted attribute and the property value type of distributed energy abstract class;
3) the electric system common information model of the abstract class of distributed energy and attribute and the formulation of IEC61970/61968 series standard is carried out to difference analysis, determine and need to carry out the abstract class of field expansion and the attribute that carries out privately owned expansion, for existing abstract class and attribute in standard C IM, do not need to set up new abstract class and attribute, the class directly and in standard C IM is set up mapping relations;
4), for the distributed energy abstract class and the attribute that there is no corresponding class in standard C IM determined in difference analysis, follow the CIM model extension principle of IEC61970/61968 series standard regulation and carry out distributed energy information modeling.
2. a kind of distributed energy information modelling approach according to claim 1, it is characterized in that: in above-mentioned steps 4) in, when distributed energy information is carried out to CIM modeling, the CIM model of criterion of failure can only corresponding class not derive from according to the rule of IEC61970/61968 series standard during to modeling from standard C IM.
3. a kind of distributed energy information modelling approach according to claim 1 and 2, it is characterized in that: in above-mentioned steps 4) in, when distributed energy information is carried out to CIM modeling, if application scenarios need to increase new application, in standard C IM, expand new bag to meet the demand of business scenario.
4. a kind of distributed energy information modelling approach according to claim 1, it is characterized in that: in above-mentioned steps 3) in, if the equipment of distributed energy or resource can not be corresponding with existing class in standard C IM, expand new abstract class, the new class of expansion corresponding parent from standard C IM is inherited, according to its functional requirement, determine the bag at place, by analysis, expand corresponding attribute, if the new class of expansion is relevant to existing class or other new classes, according to actual conditions, set up corresponding association or syntagmatic.
5. according to a kind of distributed energy information modelling approach described in claim 1 or 4, it is characterized in that: in above-mentioned steps 3) in, if the equipment of distributed energy or resource be existing corresponding class in standard C IM, but require to increase attribute and property value according to application scenarios, after such, derive from a new class, in new class, increase corresponding attribute and property value.
6. a kind of distributed energy information modelling approach according to claim 1, is characterized in that: when distributed energy information is carried out to CIM modeling, the new class of all expansions and the definition of attribute thereof with name all with reference to relevant international term standard and document.
7. a distributed energy information interacting method, is characterized in that comprising the steps:
1) business scenario of distributed energy information interaction is analyzed, determined information interaction figure;
2) according to the demand of business scenario, the information model of setting up based on above-mentioned distributed energy information modelling approach, relation between the class that extraction need to be used, attribute and class, formation model subset;
3)according to model subset, the instantiation of object in subset and hierarchical relationship, adduction relationship are done to further design, form the distributed energy message that meets XML Schema form;
4) the exchange scene of distributed energy is analyzed, determine the transfer mode of distributed energy message on information Integration Bus, select corresponding gerund to carry out interacting message, realize the mutual of information data between distributed energy application management system and each system.
8. a kind of distributed energy information interacting method according to claim 7, is characterized in that: in above-mentioned steps 4) in, when carrying out interacting message, distributed energy application management system and each system defer to verb and noun in standard message definition.
9. according to a kind of distributed energy information interacting method described in claim 7 or 8, it is characterized in that: in above-mentioned steps 4) in, in the not high occasion of requirement of real-time, by the extended message of distributed energy, in the bus based on IEC61970/61968 standard, transmit.
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| CN104618160A (en) * | 2015-01-30 | 2015-05-13 | 加弘科技咨询(上海)有限公司 | Device cabinet management method and system |
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| CN105630489A (en) * | 2015-12-21 | 2016-06-01 | 畅捷通信息技术股份有限公司 | Data processing method and data processing device |
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| CN109831025A (en) * | 2018-07-19 | 2019-05-31 | 上海交通大学 | User terminal integrated energy system communication system modeling method based on extension CIM |
| CN109241168A (en) * | 2018-09-20 | 2019-01-18 | 南方电网科学研究院有限责任公司 | Processing method, device and equipment for technical standard data of power grid and storage medium |
| CN109272248A (en) * | 2018-10-10 | 2019-01-25 | 上海方融科技有限责任公司 | A kind of comprehensive energy integration e-CIM design methods based on metadata |
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| CN112152315A (en) * | 2020-09-01 | 2020-12-29 | 广东电网有限责任公司广州供电局电力调度控制中心 | IEC 61970-based electric power video public information model modeling method |
| CN112861368A (en) * | 2021-02-26 | 2021-05-28 | 国网河北省电力有限公司电力科学研究院 | Power distribution network information model construction method and device and terminal equipment |
| CN113051692A (en) * | 2021-02-26 | 2021-06-29 | 国网河北省电力有限公司电力科学研究院 | Model establishing method and device for fingerprint database of power distribution network and terminal equipment |
| CN113743507A (en) * | 2021-09-06 | 2021-12-03 | 国网浙江省电力有限公司信息通信分公司 | Fusion method of distributed energy information models and related device |
| CN113743507B (en) * | 2021-09-06 | 2023-08-25 | 国网浙江省电力有限公司信息通信分公司 | Fusion method and related device of distributed energy information model |
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