CN103605759A - Power grid history state data sharing method - Google Patents
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Abstract
The invention provides a power grid history state data sharing method. The method includes that a model exporting module acquires a model from a power automatization system to form an E language model file; a data exporting module acquires history state data corresponding to the model file from the power automatization system and converts the history state data to be of a history state data structure to form a history state data file; a power grid model base and a history state database respectively acquire and store the model file and the history state data file; a model importing module reads and analyzes the model file and imports the model file into a target power automatization system; a data importing module reads and analyzes the history state data file and imports the history state data file into the target power automatization system. By the method, the history state data closely related to a specific power grid model file are taken as an independent text file to be stored and issued, correlation characteristics, of the history state data, with corresponding models are retained, and sharing of power grid history state data is realized.
Description
Technical field
The present invention relates to the method in a kind of Power System and its Automation field, specifically relate to a kind of shared method of electrical network historical state data.
Background technology
Electric network model is the basis of all kinds of power automatic system application.For standard, preserve efficiently and issue electric network model, carried out many-sided research both at home and abroad, State Grid Corporation of China successively issue < < Q/GDW137-2006 Power System Analysis calculate the grid equipment parameter of use and the standard > > of service data, < < Q_GDW215-2008_ electric power system data markup language---E linguistic norm > >, < < Q/GDW_216-2008 operation of power networks concurrentization > >, the standards and norms such as the description of < < CIM/E electrical network physical model and exchange specification (trying) > >.Above standard is between all kinds of power automatic systems, particularly, between dispatching automation main station systems at different levels, shares with exchange model and lays a good foundation.
But share between all kinds of power automatic systems and exchange historical data, also do not studied fully and standard.The data of power automatic system are diversified, comprise the various data such as operation of power networks real time data (remote measurement, remote signalling), device parameter, figure and topological data, electric energy data, power market transaction data and generation schedule.The present invention for electrical network historical state data mainly refer to the electrical network historical state data that wherein electric power data acquisition and supervisory system (SCADA) gather, store.This problem has following 3 features:
1) electrical network historical state data and particular model are closely related, and historical state data is left corresponding model and lost meaning; Electrical network historical state data must be closely related with specific electric network model, and historical state data exchange both sides it must be understood that electric network model each other.
2) historical state data is magnanimity, is embodied in sampled point many, and the sampling period, not etc. sampling quantity was not large.
3) mode of all kinds of power automatic system keeping track of history status datas is varied, without unified approach.
In actual applications, different power automatic systems often different time, different manufacturers are developed, the power automatic system of different manufacturers detects and lacks public data, the difference of power network modeling is larger, and the data exchanging visit frequency between different application systems and the data volume of exchange also exist very large difference.
Above problem caused the exchange of historical state data between power automatic system and sharing efficiency not high, information itself can not be from explanation, must subsidiary a lot of other information, information redundance is higher; Solution specificity is more intense, is difficult to adapt to the specific model of various automated systems and call data storage.
Therefore, a kind of shared method of electrical network historical state data need to be provided.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the invention provides a kind of shared method of electrical network historical state data, the method is preserved the historical state data being closely related with concrete electric network model file as text-independent file and issue, retains again itself and corresponding model associate feature simultaneously.
Realizing the solution that above-mentioned purpose adopts is:
A shared method for electrical network historical state data, its improvements are: said method comprising the steps of:
I, model are derived module and from power automatic system, are obtained model, form E language model file;
II, data derive module and from power automatic system, obtain the historical state data corresponding with described model file, transfer described historical state data to historical state data structure, history of forming status data file;
III, electric network model storehouse and historical state data storehouse obtain respectively and store described model file and historical state data file;
IV, model import module and read and resolve described model file, import in target power automated system;
V, data importing module read and resolve described historical state data file, import in target power automated system.
Further, described step I comprises: according to E linguistic norm and the description of CIM/E electrical network physical model, with exchange specification, the model in described automated system is derived, form E language model file.
Further, described Step II comprises the following steps:
S201, data derive module and determine model file and the historical juncture corresponding with historical state data;
S202, according to described model file, obtain the information of corresponding device, the attribute-name of the sign of fetch equipment and sampling attribute;
S203, obtain the historical state data of certain or a plurality of historical junctures, described historical state data is drawn together the sampling property value of the sample devices of historical juncture;
S204, described historical state data is stored as to historical state data structure, according to described historical state data structure form with described power automatic system in model certain or the historical state data file of a plurality of historical junctures that match.
Further, in described Step II I, described electric network model storehouse obtains and stores described model file; Described historical state data storehouse obtains and stores described historical state data.
Further, described step IV comprises: described model imports module according to the method reverse resolution electric network model file in described step I, take out model information wherein, according to the demand, implementation and the call format writing system that are imported into power automatic system, preserve.
Further, described step V comprises: described data importing module reads historical state data file, and according to the historical state data structure corresponding with described electric network model file of the method reverse resolution in Step II, take out value, facility information, attribute-name and property value thereof constantly, obtain historical state data.
Further, described historical state data file keeping track of history status data structure, described historical state data structure comprises: document No. mode, the explanation of E model file, historical juncture explanation and historical state data class.
Further, the described E model file explanation of described historical state data file is for the associated electric network model CIM/E file of log history status data file.
Further, the explanation of described historical juncture of described historical state data file is for corresponding certain of log history status data file sampled data or a plurality of historical juncture.
Further, described historical state data class records respectively certain of corresponding associated electric network model file or the equipment that is sampled, device attribute and the corresponding attribute sampled value of a plurality of historical junctures by resource identification, sampling attribute-name, sampled value.
Compared with prior art, the present invention has following beneficial effect:
(1) method of the present invention is in conjunction with widely used E language model file or CIM/E language model file are used in shared between different main station systems and exchange electric network model and the historical state data corresponding with this model at present; Information sharing while realizing the product test of different manufacturers main website.
(2) method of the present invention provides public benchmark model and historical state data, for the distinct device of different manufacturers, processes, and the mutual of implementation model file and historical state data shared.
(3) method of the present invention is combined with company standard E language and the CIM/E standard of State Grid Corporation of China, meets to greatest extent and utilizes existing standard, has realized and has met the model file of standard and mutually sharing of historical state data.
(4) method of the present invention is that a kind of efficient electrical network historical state data is shared method, the method had both retained the relevance of historical state data and electric network model, independence simultaneously that kept again file, in file, not comprising all kinds of redundant datas such as model, management, is a kind of method of independently text preservation, shared historical state data efficiently.
(5) method of the present invention has broad applicability, fully use E language, the versatility of CIM/E aspect electric network model expression, further providing the method that adopts self-described text-independent representation of file electrical network historical state data, is a kind of method that historical state data was preserved, shared to general independently text.
Accompanying drawing explanation
Fig. 1 is the shared Technical Architecture figure of electrical network historical state data;
Fig. 2 is that data derive resume module process flow diagram;
Fig. 3 is some historical juncture electrical network historical state data file pie graphs.
Fig. 4 is some historical juncture sampling class tables of data.
Fig. 5 is a plurality of historical juncture electrical network historical state data file pie graphs.
Fig. 6 is a plurality of historical juncture sampling class tables of data.
Fig. 7 is data importing resume module process flow diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, Fig. 1 is the shared Technical Architecture figure of electrical network historical state data; In figure, the origin system by " power automatic system 1 " as model and data output, other system is as input end.In practical application, according to demand, each system possesses the ability as source, and each system also can import model and data.
Model derive module, data derive module, model to import module and data importing module be common model and data file with concrete power automatic system in mutual conversion (importing and derivation) between model and the expression of data, for different power automatic systems, because its inside is different with the processing mode of electrical network historical state data to electric network model, the specific implementation of this module also can be different.
The method of sharing the electrical network historical state data being closely related with electric network model of the present invention, comprises the following steps:
In step 1, model is derived module and from automated system, is derived the model with E language representation, forms E language model file.
Electric network model is the model that meets power system of data acquisition and monitoring (SCADA) and basic application demand, comprises the physical model of equipment, equipment topology and equipment basic parameter; Represented that electrical network is relevant equipment (such as switch, disconnecting link, circuit etc.) contact construction system.Electric network model changes because in the different stages, all kinds of power equipments number all different with contact method.
Electric network model is derived from power automatic system, mainly refer to historical and present electric network model is derived.In all kinds of power automatic systems, all preserve the electric network model oneself needing, the mode of preservation is different according to its specific implementation.Derive electric network model file and represent with E language file, obtain mutual other contact relation informations of topological sum of power equipment, the parameter information of power equipment, power equipment that relate to, and be saved in the text with E language (CIM/E language) regulation and stipulation.In the relevant E language and CIM/E standard that promulgate the general Shi of the derivation State Grid Corporation of China of the electric network model file of power automatic system power-management centre, definition ControlArea(control zone), BaseVoltage(reference voltage), Substation(transformer station), VoltageLevel(electric pressure), Bay(interval), Breaker(isolating switch), Disconnector(is every cutter), GroundDisconnector(ground cutter), BusbarSection(bus), TapChangerType(transformer tapping type) numerous electric network model standard class such as, in the specific definition of above-mentioned class, comprise the characteristic of electric network element itself and incidence relation each other, above-mentioned information all exists in different power automatic systems, but the method representing is variant, derive the work that electric network model module completes, generally by extract electric network element for information about from each power automatic system, and be written in E language file and realize according to the requirement of E language and CIM/E standard.
In step 2, data derive module and from automated system, derive the historical state data relevant to model.
Historical state data in electrical network, refer to electric network data collection and monitoring (SCADA) system acquisition the electric network state data of preserving, comprise " four is distant " information: remote signalling information, deciliter state of power network switch and disconnecting link, represents by several simple discrete values such as 0～3 conventionally; Telemetry intelligence (TELINT), refers to the measured value of variable in electrical network, and as line voltage distribution value, bus current value, this type of information is successive value (can continually varying), the value of mixed decimal position; Distant arteries and veins information, about the measured value of power consumption in electrical network, the power consumption of for example loading, the total electricity consumption at critical point; Remote information, the Long-distance Control information in electrical network.Above data have 2 features: 1) status data and electric network model are closely related; For example, if only remembered switch deciliter state, there is no model, do not know the specifying information of switch and the position in electrical network thereof, data have also just lost meaning; 2) historical state data is to be closely connected with the time; For example, if only remembered minute state of certain switch, but do not know the moment of minute state, these data are also nonsensical.
This method proposes data derivation module and from automated system, derives the historical state data relevant to model, and concrete steps as shown in Figure 2, comprise the following steps:
S201, the model file with E language representation of deriving from automated system according to model derivation module, find the information of corresponding device, the crucial font size recording in the class-mark of fetch equipment and place class, determines sample devices, sampling attribute and sampled value corresponding to attribute.
S202, from power automatic system, derive the historical state data corresponding with model file, judge whether the historical state data in a plurality of moment of needs, be to enter step S204, otherwise enter S203.
If the specified historical juncture of S203 is a historical juncture,, by the crucial font size recording in the state value information of aforementioned obtained this historical juncture of correspondence, equipment place class, writes in text and preserve, as shown in Figure 3,4.
If the specified historical juncture of S204 is a plurality of historical junctures,, by the crucial font size recording in the state value information of aforementioned obtained these historical junctures of correspondence, equipment place class, writes in text and preserve, as shown in Figure 5,6.
As shown in Figure 3, Fig. 3 is some historical juncture electrical network historical state data file pie graphs; This historical state data file storage historical state data structure, this structure comprises file header and class sampled value, file header comprises coded system, relevant CIM/E model file name and historical juncture, the sampled value of this class object that class sampled value comprises a certain historical juncture on some attribute.As shown in Figure 4, Fig. 4 is some historical juncture sampling class tables of data to the sampled value of this class object on some attribute; Comprise sample devices and corresponding sequence number thereof, the attribute-name that this sample devices is corresponding and sampled value corresponding to each attribute-name, attribute mostly is 1024 attributes most.
As shown in Figure 5, Fig. 5 is a plurality of historical juncture electrical network historical state data file pie graphs; This historical state data file storage historical state data structure, this structure comprises file header and class sampled value, file header comprises coded system, relevant CIM/E model file name, historical juncture 1, historical juncture 2 ... historical juncture N, the sampled value of this class object that class sampled value comprises a plurality of historical junctures on some attribute.As shown in Figure 6, Fig. 6 is a plurality of historical junctures sampling class tables of data to the sampled value of this class object of the plurality of historical juncture on some attribute, comprise sample devices and corresponding sequence number thereof, the attribute-name of this equipment and this equipment in sampled value in the same time not.
In step 3, model file and corresponding historical state data file are stored in respectively to electric network model storehouse and historical state data storehouse.
In step 4, model imports module and reads and resolve described model and derive the electric network model file in the source power automatic system that module derives, and according to the requirement of target power automated system, is written to target power automated system.This process is the inverse process of step 1.
In step 5, data importing module reads and resolves described data and derives the historical state data file in the source power automatic system that module derives; According to the inverse process of step 2, carry out the reverse resolution of model file and corresponding historical state data file thereof, and according to the requirement of target power automated system, be written to target power automated system.As shown in Figure 7, Fig. 7 is data importing resume module process flow diagram to its specific implementation step.This process is the inverse process of step 2.
The reverse resolution process of data importing module comprises the following steps:
S501, data importing module read historical state data file; According to its file header and file structure, read its corresponding informance;
S502, judge whether that all historical state data read in system, be successfully resolved, otherwise enter step S503;
S503, from historical state data file, read a record, according to the sign in file, attribute-name, in associated CIM/E model file, obtain sample devices, sampling attribute and corresponding property value, successively historical state data file is read and resolved, obtain all information.
Finally should be noted that: above embodiment is only for illustrating the application's technical scheme but not restriction to its protection domain; although the application is had been described in detail with reference to above-described embodiment; those of ordinary skill in the field are to be understood that: those skilled in the art still can carry out all changes, revise or be equal to replacement to the embodiment of application after reading the application; but these change, revise or be equal to replacement, within the claim protection domain all awaiting the reply in application.
Claims (10)
1. a shared method for electrical network historical state data, is characterized in that: said method comprising the steps of:
I, model are derived module and from power automatic system, are obtained model, form E language model file;
II, data derive module and from power automatic system, obtain the historical state data corresponding with described model file, transfer described historical state data to historical state data structure, history of forming status data file;
III, electric network model storehouse and historical state data storehouse obtain respectively and store described model file and historical state data file;
IV, model import module and read and resolve described model file, import in target power automated system;
V, data importing module read and resolve described historical state data file, import in target power automated system.
2. the shared method of a kind of electrical network historical state data as claimed in claim 1, it is characterized in that: described step I comprises: according to E linguistic norm and the description of CIM/E electrical network physical model, with exchange specification, the model in described automated system is derived, form E language model file.
3. the shared method of a kind of electrical network historical state data as claimed in claim 1, is characterized in that: described Step II comprises the following steps:
S201, data derive module and determine model file and the historical juncture corresponding with historical state data;
S202, according to described model file, obtain the information of corresponding device, the attribute-name of the sign of fetch equipment and sampling attribute;
S203, obtain the historical state data of certain or a plurality of historical junctures, described historical state data is drawn together the sampling property value of the sample devices of historical juncture;
S204, described historical state data is stored as to historical state data structure, according to described historical state data structure form with described power automatic system in model certain or the historical state data file of a plurality of historical junctures that match.
4. the shared method of a kind of electrical network historical state data as claimed in claim 1, is characterized in that: in described Step II I, described electric network model storehouse obtains and store described model file; Described historical state data storehouse obtains and stores described historical state data.
5. the shared method of a kind of electrical network historical state data as claimed in claim 1, it is characterized in that: described step IV comprises: described model imports module according to the method reverse resolution electric network model file in described step I, take out model information wherein, according to the demand, implementation and the call format writing system that are imported into power automatic system, preserve.
6. the shared method of a kind of electrical network historical state data as claimed in claim 2, it is characterized in that: described step V comprises: described data importing module reads historical state data file, and according to the historical state data structure corresponding with described electric network model file of the method reverse resolution in Step II, take out value, facility information, attribute-name and property value thereof constantly, obtain historical state data.
7. the shared method of a kind of electrical network historical state data as claimed in claim 3, it is characterized in that: described historical state data file keeping track of history status data structure, described historical state data structure comprises: document No. mode, the explanation of E model file, historical juncture explanation and historical state data class.
8. the shared method of a kind of electrical network historical state data as claimed in claim 7, is characterized in that: the described E model file explanation of described historical state data file is for the associated electric network model CIM/E file of log history status data file.
9. the shared method of a kind of electrical network historical state data as claimed in claim 8, is characterized in that: the described historical juncture explanation of described historical state data file is for corresponding certain of log history status data file sampled data or a plurality of historical juncture.
10. the shared method of a kind of electrical network historical state data as claimed in claim 8, is characterized in that: described historical state data class records respectively certain of corresponding associated electric network model file or the equipment that is sampled, device attribute and the corresponding attribute sampled value of a plurality of historical junctures by resource identification, sampling attribute-name, sampled value.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103902518A (en) * | 2014-03-12 | 2014-07-02 | 国家电网公司 | Method for automatically compiling monitoring information sheet by computer |
| CN103970862A (en) * | 2014-05-08 | 2014-08-06 | 国家电网公司 | Automatic generating system and method of power grid operation mode data |
| CN106383842A (en) * | 2016-08-30 | 2017-02-08 | 广联达科技股份有限公司 | Parsing method and parsing device of model file, and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1219272C (en) * | 2003-07-09 | 2005-09-14 | 北京四方继保自动化有限公司 | Data monitoring method in electric network safe dynamic monitoring system |
| CN1331294C (en) * | 2004-08-27 | 2007-08-08 | 江苏省电力公司南京供电公司 | Method for establishing electric network monitoring disaster back-up system |
| CN100466416C (en) * | 2006-03-24 | 2009-03-04 | 上海市电力公司 | Intelligent decision support system for urban power grid accidents |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103902518A (en) * | 2014-03-12 | 2014-07-02 | 国家电网公司 | Method for automatically compiling monitoring information sheet by computer |
| CN103970862A (en) * | 2014-05-08 | 2014-08-06 | 国家电网公司 | Automatic generating system and method of power grid operation mode data |
| CN103970862B (en) * | 2014-05-08 | 2017-04-26 | 国家电网公司 | Automatic generating system and method of power grid operation mode data |
| CN106383842A (en) * | 2016-08-30 | 2017-02-08 | 广联达科技股份有限公司 | Parsing method and parsing device of model file, and server |
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