CN104679805B - A kind of long-range retrieval method towards electric network synthesis information - Google Patents
A kind of long-range retrieval method towards electric network synthesis information Download PDFInfo
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- CN104679805B CN104679805B CN201410426243.1A CN201410426243A CN104679805B CN 104679805 B CN104679805 B CN 104679805B CN 201410426243 A CN201410426243 A CN 201410426243A CN 104679805 B CN104679805 B CN 104679805B
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- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 27
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- 230000008569 process Effects 0.000 claims description 6
- 241001269238 Data Species 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The invention discloses a kind of long-range retrieval method towards electric network synthesis information, include the following steps: that local regulation center sends the long-range of electric network synthesis information to remote control and regulation center and has access to service request, distant place regulation center is made a policy and returns to picture file to local regulation center according to remotely having access to service request, it is local regulate and control center parsing picture file and the distally data service request of regulation center transmission picture；Distant place regulation center is indexed according to the real time data in the content search electric network synthesis information database of data service request, and obtains electric network synthesis information data according to index, after the combination of electric network synthesis information data, is sent to local regulation center；Local regulation center receives and shows electric network synthesis information data.Using the present invention, the shared and exchange of different regulation Central Grid integrated informations may be implemented, the functionization for effectively improving electric network synthesis information monitoring is horizontal.
Description
Technical field
The present invention relates to a kind of long-range retrieval method towards electric network synthesis information belongs to electric power system dispatching technology neck
Domain.
Background technique
Control centre of the power network dispatching system as electric system, ensures the safe and stable operation of electric system.With
The fast development of power grid scale and technology, power network dispatching system have become the important monitoring of electric system, control, management hand
Section.Currently, accelerate to realize regulation integration, standardized power network dispatching system be power system development there is an urgent need to.
Currently, power network dispatching system has access to aspect in remote information, realizes image between control centre and substation and believe
Breath is had access to.Such as in the Chinese patent application application No. is 201310285601.7, disclose remote between a kind of heterogeneous system
The method that journey has access to substation's figure.This method can meet the demand of remote browse not substation's figure of homologous ray, realize
Long-range monitoring to isomery transformer substation system operation conditions.Such as Chinese patent application of Publication No. CN103390252A again
In, also disclose the exchange method of a kind of control centre and intelligent substation image information.This method can be supported to meet electricity
All monitoring system of electric substation figures of Force system figure Description standard are remotely had access to.It is integrated continuous however as regulating and controlling
Development, to operation of power networks situation is checked, more stringent requirements are proposed.
For the data interaction between power network dispatching system, power network dispatching system is only supported to obtain from strange land regulation center at present
The real-time data of power grid for taking single source, the separate storage and displaying that each applies data in this regulation center range.By
In the scale difference of each rank power grid and the otherness of each department power grid, the electric network synthesis information of different regulation center concerns
It is entirely different.Based on the above situation, the electric network synthesis information data resulted between different scheduling systems can not be shared
And exchange, dispatching of power netwoks technology support system is unable to satisfy to the monitoring demand of junior's electric network synthesis information.For different power grids
The long-range retrieval method of electric network synthesis information, not yet puts forward effective solutions at present between regulation center.Therefore, how
Realize remotely having access to for electric network synthesis information, in multiple regulation center ranges convenient for electric network synthetic letter between different regulation centers
The shared and exchange of breath, is the big important topic that electric power system dispatching field technical staff faces.
Summary of the invention
In view of the deficiencies of the prior art, a kind of towards electric network synthetic letter technical problem to be solved by the present invention lies in providing
The long-range retrieval method of breath.
For achieving the above object, the present invention uses following technical solutions:
A kind of long-range retrieval method towards electric network synthesis information, includes the following steps:
Local regulation center sends the long-range of electric network synthesis information to remote control and regulation center and has access to service request, the distant place
Regulation center makes a policy according to the service request of remotely having access to and returns to picture file to the local regulation center, described
Local regulation center parses the picture file and sends the data service request of picture to distant place regulation center；
Distant place regulation center is according in the content search electric network synthesis information database of the data service request
Real time data index, and electric network synthesis information data are obtained according to the index, after electric network synthesis information data combination,
It is sent to the local regulation center；
The local regulation center receives and shows the electric network synthesis information data.
It is wherein more preferably, described that remotely to have access to service request include remote node information and CIM/G standard image file name
Claim.
Wherein more preferably, each regulation center has data service middle layer and electric network synthesis information database；Wherein
The electric network synthesis information database is used to store the index of different application real time data in the power grid of one's respective area；The data service
Middle layer obtains real time data according to data directory in electric network synthesis information database.
Wherein more preferably, the process that the data service middle layer obtains real time data includes the following steps:
The data key words that data association information is included are parsed according to the data service request；
The data directory in electric network synthesis information database is inquired according to the data key words；
The electric network data of different application is obtained according to the node name in the index, and will be sent out after electric network data combination
It send to local regulation center.
Wherein more preferably, the index of the data includes a single state class real time data index and collection class real time data
Index；
What a single state class real time data was recorded for corresponding one under a certain real time data table of real-time data base
Data under one attribute；The collection class real time data is corresponding a plurality of record under a certain real time data table of real-time data base
Multiple attributes under data.
Wherein more preferably, the storage format of a single state class real time data index are as follows: node name % data it is unique
Numeric key；
Wherein more preferably, the numeric key includes table number, data line number and attribute number.
Wherein more preferably, the storage format of the collection class real time data index: node name % table number [attribute number+condition
Relation character+numerical value] logical symbol 1 [attribute number+conditional relator+numerical value] logical symbol 2 ... logical symbol N [attribute number+condition
Relation character+numerical value]；Wherein,
The conditional relator includes being greater than, be less than, be equal to, be not more than and being not less than, and the logical symbol 1 only includes patrolling
Volume with, the 2~N of logical symbol include logical AND and logic or.
Wherein more preferably, the node name is substituted by IP address.
The present invention dispatches system for smart grid and provides a kind of comprehensive solution realizing electric network synthesis information and remotely having access to
Scheme is advantageously implemented the shared and exchange of electric network synthetic data, improves the reusability of electric network synthesis information.
Detailed description of the invention
Fig. 1 is that the electric network synthesis information at different regulation centers carries out the schematic diagram of data deployment；
Fig. 2 is the flow chart that regulation center realizes that electric network synthesis information data are had access to；
Fig. 3 is that the flow chart of service request and response is remotely had access between different regulation centers in the present invention；
Fig. 4 is to regulate and control the process of analysis figure of the remote electric network integrated information data at center in the present invention；
Fig. 5 is to regulate and control the acquisition flow chart of the remote electric network integrated information data at center in the present invention.
Specific embodiment
Technology contents of the invention are described in further detail in the following with reference to the drawings and specific embodiments.
In order to guarantee that power grid applies the comprehensive and effective of real time data more, the present invention is independently ground with State Grid Corporation of China
Wide area panorama distribution integral electrical scheduling system (referred to as D-5000 system) of hair is illustrated for embodiment.Pass through knot
D-5000 system is closed, the present invention can realize the synthesis of different application real time data in local regulation center, can also be more
Remotely having access to for electric network synthesis information is realized in a regulation center range.
Existing D-5000 system include man-machine module, data service intermediate module (middata, midmmi) and in real time
Database.Each real-time data base is mutually independent in D-5000 system, stores according to unified Specification Design.Of the invention
In one embodiment, D-5000 system is in addition to comprising multiple real-time data bases, each regulation center is firstly the need of establishment power grid
Integrated information database.The establishment of electric network synthesis information database is introduced first below.
Referring to Fig. 1, an independent integrated information data center is established at each independent regulation center, and different
Data communication is carried out by remote agent between grid dispatching center.Integrated information data center include data service middle layer and
Electric network synthesis information database.Electric network synthesis information data base organization stores each application node real time data within the scope of local power grid
Index.Data service middle layer is used to parse electric network data request message, and according to data in electric network synthesis information database
Index searches real time data.Referring to fig. 2, a variety of different electric power applications are generally comprised in power grid, such as SCADA is applied and DSA is answered
With etc..Since different application is often by different server providing services, the real-time data memory of acquisition is in different regions.
Different application real-time data of power grid obtained is stored in the same area by the present invention, and integrated information data center passes through power grid
The index of electric power application node real time data in the power grid scope of integrated information database purchase one's respective area, can using the concordance list
To search the real time data of different application node, to realize the synthesis of electric network information data in the regulation center of one's respective area.At this
In one embodiment of invention, electric network synthesis information database includes the index of two kinds of data: a single state class real time data and
Collection class real time data.
A single state class real time data is corresponding one one recorded under a certain real time data table of real-time data base
Data under attribute.Number in D-5000 system, under a certain real time data table under corresponding one attribute recorded
According to can be by a unique numeric key, i.e., table number, data line number and attribute number indicate.Such as it includes handing over that SCADA, which is applied,
Flow Line table, alternating current circuit endpoint table and comprehensive intelligent alert record sheet.According to table number, data line number and the attribute in index
Number it can be read corresponding information data.In one embodiment of the invention, electric network synthesis information database purchase is single
The storage format of state class data directory are as follows: unique number keyword (the i.e. table number, data of node name (or IP address) % data
Line number and attribute number).Such as node name is indicated with xxxx, table number is indicated with yyy, and data line number is indicated with zzzzzz, and attribute is
It is indicated with pp, then such data directory is xxxx%yyyzzzzzzpp in the storage content of integrated information data center.Pass through
The index of this storage format can be quickly found out the specified real time data under a certain application node.
Under multiple attributes of the collection class real time data for corresponding a plurality of record under a certain real time data table of real-time data base
Data.In one embodiment of the invention, the collection class data memory format of electric network synthesis information database purchase are as follows: node
Name (or IP address) % table number [attribute number, conditional relator, numerical value] logical symbol 1 [attribute number, conditional relator, numerical value] is patrolled
It collects symbol 2 ... logical symbol N [attribute number, conditional relator, numerical value].Wherein [attribute number, conditional relator, data] indicate
The data of a certain attribute, when the data of the multiple attributes of correspondence, the data of each attribute need to be connected by logical symbol.In the present invention
One embodiment in, conditional relator includes>,<,=,>=,≤；Logical symbol 1 is only &&；Logical symbol 2,3 ... N
Be then &&, | |.Such as node name is indicated with xxxx, table number is indicated with yyy, attribute number pp1, pp2, pp3 table of three attributes
Show, then such data is xxxx%yyy [1] && [pp2<numerical value of pp1>numerical value in the content that integrated information data center stores
2] && [pp3=numerical value 3].The specified collection class under a certain application node can be found by the index of this storage format to count in real time
According to.
The long-range of electric network synthesis information between different control centres is described below and has access to process.
Fig. 3 remotely has access to the flow chart of service request and response between different regulation centers.Local regulation center is to remote
Journey regulation center, which is sent, remotely has access to service request.The man-machine module of the D-5000 system of local power grid is remotely having access to other electricity
When the integrated information data of net, by service bus, distally the D-5000 system of power grid sends the long-range service of having access to and asks first
It asks.Remotely having access to service request need to be forwarded via remote agent again after service bus, get to distant place power grid
D-5000 system.Remotely having access to service request includes remote node information and corresponding CIM/G (CIM Based Graphic
Exchange Forma, the GIF(Graphic Interchange format) based on CIM) standard image file title etc..The D-5000 system of distant place power grid
Receive the D-5000 system of local power grid remotely has access to service request, decides whether that having access to request to this responds.
If it is desirable, the corresponding picture file of CIM/G standard image file title is then sent to this through service bus, remote agent
The D-5000 system of ground power grid.Local D-5000 system receives and parses through the picture file of distant place power grid transmission, and obtains the picture
All data association informations for including in the file of face.Here data association information refers to a plurality of number of integrated information data center
According to the corresponding data key words of index.Multiple data key words find the corresponding number of data key words for data service middle layer
According to index.After data association information out to be resolved, data association information tissue is data service request by local regulation center,
The D-5000 system of afield power grid is forwarded through service bus, remote agent.The D-5000 system in a distant place to the request of data into
Row parsing, and return to corresponding electric network synthetic data in picture.
The local man-machine module of D-5000 system asks all data association information tissues in picture file for data service
It asks after being sent to long-range D-5000 system, data service is received simultaneously after remote agent forwards by the D-5000 system in a distant place
Processing.After electric network synthesis information data needed for the D-5000 system in a distant place passes through parsing data service request and obtains, it is sent to
Local regulation center.Its process specifically handled may refer to Fig. 4.
The data service middle layer of the integrated information data center of the D-5000 system in a distant place asks received data service
It asks and is parsed.Since, comprising multiple data association informations, data service middle layer needs to parse number in data service request
According to the corresponding keyword of each of related information data, and according to the keyword of each data from electric network synthesis information number
The index of integrated data is obtained according to library.
Referring to Fig. 5, regulate and control the acquisition process of the remote electric network integrated data at center.The parsing of data service middle layer obtains
The index of integrated information data obtains corresponding real time data according to the index.Due to the number of electric network synthetic databases storage
It include data key words, node name (or IP address) according to the information in index, data service middle layer is looked into according to data key words
Look for its corresponding node name (or IP address), and it is real-time according to specified node name (or IP address) to read the corresponding each of index
Data.
The index of two class real time datas is stored in electric network synthesis information database.Different electric power are real using power grid obtained
When data be stored in the same area, local regulation center finds all answer by data directory interior joint name or IP address
Real-time data of power grid, while the electric network synthesis information at local regulation center can be had access to the regulation center in a distant place.Traditional
Mode is had access to, is stored in due to the data of different application in different regions, it is all that synchronization is same that a picture, which is shown,
Real-time data of power grid under.And electric network synthesis information data are stored in the same area by the present invention, and are real time data
Concordance list is provided, multiple and different electric power is supported to apply any combination of lower real time data.Therefore no matter the regulation center of various regions is
No to pay close attention to identical electric network information, different control centres can realize remotely having access to for electric network synthesis information.
After pending data services all state class real time datas and collection class real time data that middle layer obtains picture, and it is corresponding
Real time data under is combined.The D-5000 system in a distant place by being encoded to the electric network synthesis information data of acquisition,
Unified electric network synthesis information data set is formed after encapsulation, combination.Electric network synthesis information data set is sent to by remote agent
In the D-5000 system of local power grid.Local regulation center receives and shows electric network synthesis information data.All reading data
After the man-machine module of D-5000 system of local power grid is returned to by remote agent, and show and had access in man-machine module
Picture and data.
In conclusion the present invention is indexed by providing real time data to electric network data, realize that difference is answered in regulation center
With the synthesis of real time data, while will not be different because of the electric network synthesis information of concern between regulation center, and can not share and hand over
Change the integrated information of power grid.The present invention, which for smart grid dispatches system and provides, a kind of supports what electric network synthesis information was remotely had access to
The data interaction of the electric network synthesis information between different scheduling systems may be implemented in comprehensive solution.It is mentioned through the invention
The method of confession, may be implemented the synthesis of power grid different application real time data in same regulation center, while can also realize multiple
The long-range of electric network synthesis information is had access in regulation center range, can effectively meet power regulation technology support system to junior's electricity
The monitoring demand of net integrated information, improves the reusability of electric network synthesis information.
The long-range retrieval method to provided by the present invention towards electric network synthesis information is described in detail above, but
Not limitation of the present invention.For those of ordinary skill in the art, under the premise of without departing substantially from true spirit
To any obvious change that it is done, the infringement for all weighing composition to the invention patent will undertake corresponding law duty
Appoint.
Claims (7)
1. a kind of long-range retrieval method towards electric network synthesis information, wherein respectively regulation center has electric network synthesis information database
With data service middle layer, the electric network synthesis information database is used to store the real time data of different application in the power grid of one's respective area
Index, the data service middle layer is used to obtain different application according to the index in the electric network synthesis information database
Real time data；By the real-time data memory of different application in the power grid of one's respective area in the same area, feature exists at each regulation center
In including the following steps:
Local regulation center distally regulates and controls the long-range of center transmission electric network synthesis information and has access to service request, the distant place regulation
Center makes a policy according to the service request of remotely having access to and returns to picture file, the local to the local regulation center
Regulation center parses the picture file and sends the data service request of picture to distant place regulation center；
Distant place regulation center is in the electric network synthesis information database according to the content search of the data service request
The index of real time data, and according to the real time data of all applications of the index lookup；Wherein, the index packet of the real time data
The index of a single state class real time data index and collection class real time data is included, a single state class real time data is to count in real time
According to the data of the corresponding attribute recorded of a certain real time data table in library, the collection class real time data is to count in real time
According to the data of multiple attributes of corresponding a plurality of record under a certain real time data table in library；
All state class real time datas and collection class of the data service middle layer acquisition picture at distant place regulation center are real-time
After data, the real time data under different application is combined, unified electric network synthesis information data is formed, is sent to described
Ground regulation center；
The local regulation center receives and shows the electric network synthesis information data.
2. the long-range retrieval method towards electric network synthesis information as described in claim 1, it is characterised in that:
It is described that remotely to have access to service request include remote node information and CIM/G standard image file title.
3. the long-range retrieval method towards electric network synthesis information as described in claim 1, it is characterised in that the data service
The process that middle layer obtains real time data includes the following steps:
The data key words that data association information is included are parsed according to the data service request；
The data directory in electric network synthesis information database is inquired according to the data key words；
The electric network data of different application is obtained according to the node name in the index, and will be sent to after electric network data combination
Local regulation center.
4. the long-range retrieval method towards electric network synthesis information as described in claim 1, it is characterised in that:
The storage format of a single state class real time data index are as follows: the unique number keyword of node name % data.
5. the long-range retrieval method towards electric network synthesis information as claimed in claim 4, it is characterised in that:
The numeric key includes table number, data line number and attribute number.
6. the long-range retrieval method towards electric network synthesis information as described in claim 1, it is characterised in that:
The storage format of the collection class real time data index are as follows: node name % table number [attribute number+conditional relator+numerical value] is patrolled
Collect symbol 1 [attribute number+conditional relator+numerical value] logical symbol 2 ... logical symbol N [attribute number+conditional relator+numerical value]；
Wherein, the conditional relator includes being greater than, be less than, be equal to, be not more than and being not less than, and the logical symbol 1 only includes logic
With, the 2~N of logical symbol include logical AND and logic or.
7. the long-range retrieval method towards electric network synthesis information as described in claim 4 or 6, it is characterised in that:
The node name is substituted by IP address.
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| CN106027665A (en) * | 2016-06-29 | 2016-10-12 | 国家电网公司 | Wide area information transmission system based on scheduling data network |
| CN107147690A (en) * | 2016-07-12 | 2017-09-08 | 国家电网公司 | A kind of electrical power system wide-area method for message transmission |
| CN106210053A (en) * | 2016-07-12 | 2016-12-07 | 国家电网公司 | A kind of electrical power system wide-area information management method |
| CN107580025A (en) * | 2017-08-07 | 2018-01-12 | 国电南瑞科技股份有限公司 | A kind of more control centres of power network in a few days generation schedule Security Checking data sharing method |
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| CN102722548B (en) * | 2012-05-25 | 2014-03-12 | 中国电力科学研究院 | Distributed type remote graphics browsing method based on province and local combination type anti-accident maneuver |
| CN103338247B (en) * | 2013-06-25 | 2017-02-08 | 中国南方电网有限责任公司 | Power system remote image retrieval method based on Web service mode |
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Effective date of registration: 20160331 Address after: 100033 West Chang'an Avenue, Beijing, No. 86, No. Applicant after: State Grid Corporation of China Applicant after: Jiangsu Electric Power Company Applicant after: Beijing Kedong Power Control System Co., Ltd. Applicant after: State Grid Zhejiang Electric Power Company Address before: 100033 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Jiangsu Electric Power Company Applicant before: Beijing Kedong Power Control System Co., Ltd. |
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Granted publication date: 20181218 Termination date: 20200826 |