CN103605759B - A kind of sharing method of power grid history state data - Google Patents
A kind of sharing method of power grid history state data Download PDFInfo
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Abstract
The invention provides the sharing method of a kind of power grid history state data, the method includes: model is derived module and obtained model from power automatic system, forms E language model file；Data derive module and obtain the historical state data corresponding with described model file from power automatic system, transfer historical state data structure, history of forming condition data file to；Electric network model storehouse and historical state data storehouse obtain and store described model file and historical state data file respectively；Model imports module and reads and resolve described model file, imports in target power automated system；Data import module and read and resolve described historical state data file, import in target power automated system.The historical state data being closely related with concrete electric network model file is preserved as text-independent file and issues by the method, retains again itself and corresponding model associate feature, it is achieved that sharing of power grid history state data simultaneously.
Description
Technical field
A kind of method that the present invention relates to Power System and its Automation field, a kind of power grid history state data
Sharing method.
Background technology
Electric network model is the basis of all kinds of power automatic system application.For specification, efficient preservation and issue electric network model,
Have been carried out many research both at home and abroad, State Grid Corporation of China successively issue " Q/GDW137-2006 power system
The grid equipment parameter of analytical calculation and the specification of service data ", " Q_GDW215-2008_ electric power system data markup language
E linguistic norm ", " Q/GDW_216-2008 operation of power networks concurrentization ", " CIM/E electrical network physical model describe
With exchange specification (trying) " etc. standards and norms.Above specification is between all kinds of power automatic system, scheduling the most at different levels
Between automatization's main station system, share and exchange model is laid a good foundation.
But share between all kinds of power automatic systems and exchange historical data is the most sufficiently studied and specification.
The data of power automatic system are diversified, including operation of power networks real time data (remote measurement, remote signalling), device parameter, figure
The various data such as shape and topological data, electric energy data, power market transaction data and generation schedule.The electricity that the present invention is targeted
Net historical state data is primarily referred to as the electrical network history that wherein electric power data acquisition and monitoring system (SCADA) gather, store
Status data.This problem has following 3 features:
1) power grid history state data and particular model are closely related, and historical state data is left corresponding model and then lost meaning；
Power grid history state data must be closely related with specific electric network model, and historical state data exchange both sides it must be understood that
This electric network model.
2) historical state data is magnanimity, is embodied in sampled point many, the sampling period, and sampling quantity is big.
3) mode of all kinds of power automatic systems preservation historical state data is varied, without unified approach.
In actual applications, different power automatic systems are often different time, different manufacturers exploitation, the electricity of different manufacturers
The detection of power automated system lacks public data, and the difference of power network modeling is relatively big, and the data between different application systems are exchanged visits frequently
The data volume of degree and exchange there is also the biggest difference.
Problem above causes the exchange of historical state data between power automatic system and sharing efficiency is the highest, and information itself is not
Can be from explanation, it is necessary to subsidiary a lot of other information, information redundance is higher；Solution specificity is stronger, is difficult to adapt to respectively
Plant the specific model of automated system and call data storage.
Accordingly, it is desirable to provide the sharing method of a kind of power grid history state data.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the present invention provides the sharing method of a kind of power grid history state data, and the method will
The historical state data being closely related with concrete electric network model file preserves and issue as text-independent file, retains again it simultaneously
With corresponding model associate feature.
Realizing the solution that above-mentioned purpose used is:
A kind of sharing method of power grid history state data, it thes improvement is that: said method comprising the steps of:
I, model are derived module and are obtained model from power automatic system, form E language model file；
II, data derive module and obtain the historical state data corresponding with described model file from power automatic system, by institute
State historical state data and transfer historical state data structure, history of forming condition data file to；
III, electric network model storehouse and historical state data storehouse obtain and store described model file and historical state data file respectively；
IV, model import module and read and resolve described model file, import in target power automated system；
V, data import module and read and resolve described historical state data file, import in target power automated system.
Further, described step I includes: describing according to E linguistic norm and CIM/E electrical network physical model will with exchange specification
Model in described automated system is derived, and forms E language model file.
Further, described step II comprises the following steps:
S201, data derive module and determine the model file corresponding with historical state data and historical juncture；
S202, according to described model file obtain corresponding device information, read equipment mark and sampling attribute attribute-name；
S203, obtaining certain or the historical state data of multiple historical juncture, described historical state data includes adopting of historical juncture
The sampling property value of sample equipment；
S204, described historical state data is stored as historical state data structure, is formed according to described historical state data structure
Certain or the historical state data file of multiple historical juncture matched with the model in described power automatic system.
Further, in described step III, described electric network model storehouse obtains and stores described model file；Described historic state
Data base obtains and stores described historical state data.
Further, described step IV includes: described model imports module according to the method reverse resolution electrical network in described step I
Model file, takes out model information therein, according to being imported into the demand of power automatic system, implementation and call format
Writing system preserves.
Further, described step V includes: described data import module and read historical state data file, and according to step II
In the method reverse resolution historical state data structure corresponding with described electric network model file, take out moment value, facility information,
Attribute-name and property value thereof, it is thus achieved that historical state data.
Further, described historical state data file preserves historical state data structure, and described historical state data structure includes:
The explanation of document No. mode, 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 log history condition data file institute
The electric network model CIM/E file of association.
Further, the explanation of described historical juncture of described historical state data file is adopted in log history condition data file
Corresponding certain of sample data or multiple historical juncture.
Further, described historical state data class records corresponding association respectively by resource identification, sampling attribute-name, sampled value
The attribute sampled value of the equipment that is sampled, device attribute and the correspondence of certain or multiple historical juncture of electric network model file.
Compared with prior art, the method have the advantages that
(1) method of the present invention combines the E language model file being widely used at present or CIM/E language model file can
For sharing and exchange electric network model and the historical state data corresponding with this model between different main station systems；Realize different factory
Information sharing during family's main website product test.
(2) method of the present invention provides public benchmark model and historical state data, for the distinct device of different manufacturers, enters
Row processes, it is achieved model file and the mutual of historical state data are shared.
(3) method of the present invention is used in combination, to greatest extent with company standard E language and the CIM/E standard of State Grid Corporation of China
Ground meets and utilizes existing standard, it is achieved that the model file of compliant and mutually sharing of historical state data.
(4) method of the present invention is a kind of efficient power grid history state data sharing method, and the method had both remained historic state
Data and the relatedness of electric network model, maintain again the independence of file simultaneously, do not comprise model, management etc. all kinds of superfluous in file
The method that remainder evidence is the most independent a kind of text preservation, share historical state data.
(5) method of the present invention has broad applicability, fully uses E language, CIM/E leading in terms of electric network model expression
By property, provide the method using self-described text-independent representation of file power grid history state data further, be a kind of general only
The method that vertical text preserves, shares historical state data.
Accompanying drawing explanation
Fig. 1 is the Technical Architecture figure that power grid history state data is shared；
Fig. 2 is that data derive resume module flow chart；
Fig. 3 is some historical juncture power grid history state data file pie graph.
Fig. 4 is class tables of data of sampling some historical juncture.
Fig. 5 is multiple historical juncture power grid history state data file pie graphs.
Fig. 6 is class tables of data of sampling multiple historical juncture.
Fig. 7 is that data import resume module flow chart.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
As it is shown in figure 1, Fig. 1 is the Technical Architecture figure that power grid history state data is shared；In figure, by " power automatic system 1 "
The origin system exported as model and data, other system is as input.In actual application according to demand, each system has
The standby ability as source, each system also may be introduced into model and data.
Module derived by model, data derive module, model import module and data import module be common model and data file with
Concrete power automatic system mutually converts (import and derive) between model and the expression of data, for different electric power from
Dynamicization system, due to different with the processing mode of power grid history state data to electric network model inside it, implementing of this module
Would also vary from.
The method sharing the power grid history state data being closely related with electric network model of the present invention, comprises the following steps:
Step one, model are derived module and are obtained model from power automatic system, form E language model file；
Step 2, data derive module and obtain the historical state data corresponding with described model file from power automatic system,
And transferred to the historical state data file of consolidation form；
Step 3, electric network model storehouse and historical state data storehouse obtain described model file and historical state data file respectively；
Step 4, model import module and read and resolve described model file, import in target power automated system；
Step 5, data import module and read and resolve described historical state data file, import in target power automated system.
In step one, model is derived module and is derived the model represented with E language from automated system, forms E language model literary composition
Part.
Electric network model is to meet power system of data acquisition and monitoring (SCADA) and the model of basic application demand, including equipment,
Equipment topology and the physical model of equipment basic parameter；Illustrating electrical network is relevant equipment (such as switch, disconnecting link, circuit etc.)
Contact composition system.Electric network model be change because in the different stages, all kinds of power equipments number and contact method all
Different.
Electric network model is derived from power automatic system, is primarily referred to as deriving history and present electric network model.All kinds of electricity
All preserving the electric network model oneself needed in power automated system, the mode of preservation is different according to its specific implementation.Derive
Electric network model file also represents with E language file, i.e. obtains the power equipment that relates to, the parameter information of power equipment, electric power set
Other contact relation informations of standby mutual topological sum, and it is saved in the text literary composition specified with E language (CIM/E language) specification
In part.The deriving of electric network model file of power automatic system is usually in State Grid Corporation of China's promulgation by power-management centre
About in E language and CIM/E standard, define ControlArea(control zone), BaseVoltage(reference voltage), Substation
(transformer station), VoltageLevel(electric pressure), Bay(interval), Breaker(chopper), Disconnector(every
Cutter), GroundDisconnector(ground cutter), BusbarSection(bus), TapChangerType(transformer tapping
Type) etc. numerous electric network model standard class, the characteristic comprising electric network element itself in being specifically defined of above-mentioned class and mutually
Between incidence relation, above-mentioned information all exists in different power automatic systems, but represent method the most variant, lead
Go out the work that electric network model module is completed, generally by extracting the relevant letter of electric network element from each power automatic system
Breath, and be written in E language file realize according to the requirement of E language and CIM/E standard.
In step 2, data derive module and derive the historical state data relevant to model from automated system.
Historical state data in electrical network, refers to electric network data collection and monitors (SCADA) system acquisition and the electric network state number preserved
According to, including " four is distant " information: deciliter state of remote signalling information, power network switch and disconnecting link, generally with 0～3 etc. several simply
Discrete values represents；Telemetry intelligence (TELINT), refers to the measured value of variable in electrical network, such as line voltage value, bus current value, this type of
Information is successive value (can be with 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 such as load, the total electricity consumption at critical point；Remote information, the remote control information in electrical network.Data above has 2
Feature: 1) status data and electric network model be closely related；Such as, if only remembering switch deciliter state, there is no model,
Then not knowing the specifying information of switch and the position in electrical network thereof, data the most just lose meaning；2) historical state data and time
Between be closely coupled；Such as, if only remember certain switch point state, but do not know the moment of point state, then this
Data are the most nonsensical.
This method proposes data derivation module derives the historical state data relevant to model from automated system, and concrete steps are such as
Shown in Fig. 2, comprise the following steps:
S201, the model file represented with E language derived from automated system according to model derivation module, find correspondence to set
Standby information, reads class-mark and the crucial font size of place apoplexy due to endogenous wind record of equipment, determines sample devices, sampling attribute and attribute pair
The sampled value answered.
S202, the historical state data that derivation is corresponding with model file from power automatic system, it may be judged whether need multiple
The historical state data in moment, is then to enter step S204, otherwise enters S203.
If the historical juncture specified for S203 is a historical juncture, then by the state of aforementioned obtained this historical juncture of correspondence
Value information, the crucial font size of equipment place apoplexy due to endogenous wind record, preserve, as shown in Figure 3,4 in write text.
If the historical juncture specified for S204 is multiple historical junctures, then by the shape of aforementioned obtained these historical junctures of correspondence
State value information, the crucial font size of equipment place apoplexy due to endogenous wind record, preserve, as shown in Figure 5,6 in write text.
As it is shown on figure 3, Fig. 3 is some historical juncture power grid history state data file pie graph；This historical state data literary composition
Part storage historical state data structure, this structure includes file header and class sampled value, and file header includes coded system, relevant CIM/E
Model file name and historical juncture, class sampled value includes this class object of a certain historical juncture sampled value on some attribute.Should
As shown in Figure 4, Fig. 4 is class tables of data of sampling some historical juncture to class object sampled value on some attribute；Including sampling
The sampled value that equipment and the serial number of correspondence thereof, attribute-name that this sample devices is corresponding and each attribute-name are corresponding, attribute is up to 1024
Individual attribute.
As it is shown in figure 5, Fig. 5 is multiple historical juncture power grid history state data file pie graphs；This historical state data file
Storage historical state data structure, this structure includes file header and class sampled value, and file header includes coded system, relevant CIM/E
Model file name, historical juncture 1, historical juncture 2 ... historical juncture N, class sampled value includes that such of multiple historical juncture is right
As the sampled value on some attribute.This class object of the plurality of historical juncture sampled value on some attribute as shown in Figure 6,
Fig. 6 is class tables of data of sampling multiple historical juncture, including sample devices and the serial number of correspondence thereof, the attribute-name of this equipment and should
Equipment is in sampled value the most in the same time.
In step 3, the historical state data file of model file and correspondence is stored respectively in electric network model storehouse and historic state number
According to storehouse.
In step 4, model imports module and reads and resolve the electricity in the source power automatic system that described model derivation module derives
Pessimistic concurrency control file, and according to the requirement of target power automated system, it is written to target power automated system.This process is step
The inverse process of rapid one.
In step 5, data import module and read and resolve going through in the source power automatic system that described data derivation module derives
History condition data file；Model file and the reverse resolution of corresponding historical state data file thereof is carried out according to the inverse process of step 2,
And according to the requirement of target power automated system, it is written to target power automated system.It implements step such as Fig. 7 institute
Showing, Fig. 7 is that data import resume module flow chart.This process is the inverse process of step 2.
Data import the reverse resolution process of module and comprise the following steps:
S501, data import module and read historical state data file；Its corresponding informance is read according to its file header and file structure；
S502, judge whether that all historical state data read in system, be then successfully resolved, otherwise enter step S503；
S503, from historical state data file read a record, according to the mark in file, attribute-name, association CIM/E
Model file obtains sample devices, sampling attribute and corresponding property value, successively historical state data file is read and resolves,
Obtain all information.
Finally should be noted that: above example is merely to illustrate the technical scheme of the application rather than the restriction to its protection domain,
Although being described in detail the application with reference to above-described embodiment, those of ordinary skill in the field are it is understood that this area
Technical staff still can carry out all changes, amendment or equivalent to the detailed description of the invention of application after reading the application, but
These changes, amendment or equivalent, all within the claims that application is awaited the reply.
Claims (5)
1. the sharing method of a power grid history state data, it is characterised in that: said method comprising the steps of:
I, model are derived module and are obtained model from power automatic system, form E language model file；
II, data derive module and obtain the historical state data corresponding with described model file from power automatic system, and described historical state data transfers to historical state data structure, history of forming condition data file；
III, electric network model storehouse and historical state data storehouse obtain and store described model file and historical state data file respectively；
IV, model import module and read and resolve described model file, import in target power automated system；
V, data import module and read and resolve described historical state data file, import in target power automated system；
Described step I includes: describing according to E linguistic norm and CIM/E electrical network physical model derives the model in described automated system with exchange specification, forms E language model file
；
Described step II comprises the following steps:
S201, data derive module and determine the model file corresponding with historical state data and historical juncture；
S202, according to described model file obtain corresponding device information, read equipment mark and sampling attribute attribute-name；
S203, obtaining certain or the historical state data of multiple historical juncture, described historical state data includes the sampling property value of the sample devices of historical juncture；
S204, described historical state data is stored as historical state data structure, forms certain or the historical state data file of multiple historical juncture matched with the model in described power automatic system according to described historical state data structure；
In described step III, described electric network model storehouse obtains and stores described model file；Described historical state data storehouse obtains and stores described historical state data；
Described step IV includes: described model importing module, according to the method reverse resolution electric network model file in described step I, takes out model information therein, preserves according to being imported into the demand of power automatic system, implementation and call format writing system；
Described step V includes: described data import module and read 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 moment value, facility information, attribute-name and property value thereof, it is thus achieved that historical state data.
The sharing method of a kind of power grid history state data the most as claimed in claim 1, it is characterized in that: described historical state data file preserves historical state data structure, and described historical state data structure includes: the explanation of document No. mode, E model file, historical juncture explanation and historical state data class.
The sharing method of a kind of power grid history state data the most as claimed in claim 2, it is characterised in that: the described E model file explanation of described historical state data file is for the electric network model CIM/E file associated by log history condition data file.
The sharing method of a kind of power grid history state data the most as claimed in claim 3, it is characterised in that: described historical juncture of described historical state data file explanation sampled data is corresponding in log history condition data file certain or multiple historical juncture.
The sharing method of a kind of power grid history state data the most as claimed in claim 3, it is characterised in that: described historical state data class records the attribute sampled value of the equipment that is sampled, device attribute and the correspondence of certain or multiple historical juncture of corresponding association electric network model file respectively by resource identification, sampling attribute-name, sampled value.
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| CN1472688A (en) * | 2003-07-09 | 2004-02-04 | 北京四方继保自动化有限公司 | Data monitoring method in electric network safe dynamic monitoring system |
| CN1630160A (en) * | 2004-08-27 | 2005-06-22 | 江苏省电力公司南京供电公司 | Method for establishing electric network monitoring disaster back-up system |
| CN101043152A (en) * | 2006-03-24 | 2007-09-26 | 上海市电力公司 | Intelligent decision support system for urban power grid accidents |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1472688A (en) * | 2003-07-09 | 2004-02-04 | 北京四方继保自动化有限公司 | Data monitoring method in electric network safe dynamic monitoring system |
| CN1630160A (en) * | 2004-08-27 | 2005-06-22 | 江苏省电力公司南京供电公司 | Method for establishing electric network monitoring disaster back-up system |
| CN101043152A (en) * | 2006-03-24 | 2007-09-26 | 上海市电力公司 | Intelligent decision support system for urban power grid accidents |
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