CN104793071A - Power grid fault diagnosis system based on J2EE distributed type technology - Google Patents
Power grid fault diagnosis system based on J2EE distributed type technology Download PDFInfo
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Abstract
The invention discloses a power grid fault diagnosis system based on a J2EE distributed type technology. The power grid fault diagnosis system comprises an application program server, a client and a database, wherein the application program server is realized by adopting a J2EE framework; the application program server is composed of a Web server and an EJB container; the client is composed of all nodes controlled by a certain power grid dispatching center or a power substation.
Description
Technical field
The present invention relates to smart power grid fault diagnostic system field, specifically a kind of electric network failure diagnosis system based on J2EE distributed computing technology.
Background technology
The enterprise especially lifelines of the national economy manufacturing enterprise such as large-scale power, metallurgy, coal is the main users of electric power energy, and the low inferior hidden danger of power outage, danger of hazardous electrical discharges, the quality of power supply inevitably constitutes a threat to safely to electric power facility safety, site operation personnel's safety, large-scale production.
Traditional electric network failure diagnosis system mostly adopts and is similar to cls pattern, this pattern is usually by client executing application program, then the database server on backstage is connected to, various command request is sent to the database server on backstage by client, and wait-for-response, then do corresponding process.This mode of operation is all do not have advantage for the transmission of process big data quantity, big data quantity calculating, and electric network fault transient signal is non-stationary signal, the frequency spectrum that it covers is wider, record this non-stationary signal and need higher sampling rate, data volume is very large, the calculated amount of corresponding electric network fault information handling system is also very huge, only has and adopts Distributed Parallel Computing technology, can realize diagnosing in real time or quasi real time of bulk power grid.
Therefore, set up a kind of base J2EE distributed computing technology and become the urgent demand of of electric system with the electric network fault intelligent diagnosis system that the safe operation of adapted electric network is main target.
summary of the inventionthe object of this invention is to provide a kind of electric network failure diagnosis system based on J2EE distributed computing technology, to solve prior art Problems existing.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on the electric network failure diagnosis system of J2EE distributed computing technology, it is characterized in that: comprise apps server, client and database, wherein:
Described apps server adopts J2EE framework to realize, and apps server is made up of Web server and Enterprise Java Bean container; Web server adopts JSP technology and Java Servlet technology to realize, be responsible for the electric network data information receiving client transmissions, by local interface, the data that electric substation gathers are passed to Enterprise Java Bean container, and the result formation webpage of Enterprise Java Bean container algorithm calculations and Logic judgment is turned back to client, Web server also can carry out alternately with database simultaneously; The arithmetical operation of whole fault information processing system and the session BEAN assembly of logical operation is provided with in Enterprise Java Bean container; The integrated intelligent processing system from each transformer station preprocessed data and the whole network static knowledge of Enterprise Java Bean container, builds a session BEAN assembly for each functional module; Being responsible for the session BEAN assembly of arithmetical operation and logical operation and Web server and entity B EAN assembly is local interaction, the BEAN assembly be arranged in Enterprise Java Bean container realizes mapping with the same machine of each field of database, the i.e. data of whole system, comprising fault recorder data that data that client passes back and session BEAN calculate data and the electric network fault process obtained is all be mapped to during database shows accordingly by entity B EAN assembly;
Described client refers to all nodes controlled by certain grid dispatching center or electric substation, client carries out the Real-time Collection of electrical network dynamic parameter by fault wave recording device, the data gathered are presented on the main wiring diagram of client on the one hand in real time, after client-side program carries out pre-service by the data preprocessing module with Distributed Calculation and multithreading characteristic to recorder datas a large amount of during fault simultaneously, pass dispatching center fast back by electric system dedicated network and carry out Distributed Calculation, and by primary fault recorder data and pre-processed results stored in local data base;
Described is according to claim 1, it is characterized in that:, it is characterized in that: client adopts Java language and Java Applet mechanism to work out, and packed, be in place on the server of dispatching center or transformer station, client itself has server end applied logic EJB assembly and JSP access interface.
The present invention adopts the parallel computation mode based on J2EE distributed computing technology, is particularly suitable for the big data quantity transmission involved by gird fault diagnosis, big data quantity calculating, can realizes diagnosing in real time or quasi real time of bulk power grid.
Accompanying drawing explanation
Fig. 1 is model structure block diagram of the present invention.
Embodiment
As shown in Figure 1, the present invention includes:
1, apps server: the present invention adopts J2EE framework to realize design and the programming of server end, and apps server is made up of Web server and Enterprise Java Bean container.
Web server mainly adopts JSP technology and Java Servlet technology to realize, be responsible for the electric network data information receiving client transmissions, by local interface, the data that electric substation gathers are passed to Enterprise Java Bean container, and the result of Enterprise Java Bean container algorithm calculations and Logic judgment is formed webpage turn back to client simultaneously Web server also can carry out alternately with data Layer.This layer of primary responsibility transmits data and forms webpage and shown.
Enterprise Java Bean container is the core of this system, is provided with arithmetical operation and the logical operation session BEAN assembly of whole fault information processing system in this module.This container is the integrated intelligent processing system from each transformer station preprocessed data and the whole network static knowledge mainly, and realizes the object of the whole network fault diagnosis.A session BEAN assembly is built for each functional module.Being responsible for the session BEAN assembly of arithmetical operation and logical operation and Web server and entity B EAN assembly is local interaction, can reduce network overhead like this.The entity B EAN assembly be arranged in Enterprise Java Bean container is used for realizing mapping with the same machine of each field of database.The i.e. data of whole system, comprising fault recorder data that data that client passes back and session BEAN calculate data and the electric network fault process obtained is all be mapped to during database shows accordingly by this entity B EAN assembly.Complete the communication with database with local interface, namely carry out dynamic read/write operation to database, its whole process is local operation, need not carry out far call, to save network overhead.
2, client: client refers to all nodes controlled by certain grid dispatching center or electric substation.Client mainly completes following function: the Real-time Collection being carried out electrical network dynamic parameter by fault wave recording device, these data comprise grid nodes voltage, line current and switch state, these data are presented on the main wiring diagram of client on the one hand in real time, after electric substation's client-side program carries out pre-service by the data preprocessing module with Distributed Calculation and multithreading characteristic to recorder datas a large amount of during fault simultaneously, pass dispatching center fast back by electric system dedicated network and carry out Distributed Calculation, and by these primary fault recorder datas and pre-processed results stored in local data base.
Client operation platform adopts Java language and Java Applet mechanism to work out, and packed, be in place on the server of dispatching center or transformer station, and this program itself has server end applied logic EJB assembly and JSP access interface.Cover as the program of renewal repacked, once complete like this, and need not carry out in numerous electric substation's data terminals at server end, the renewal of the system of giving and upgrading are brought great convenience by this.
3, data Layer design: the data deposited in database mainly comprise operational factor and the electric substation's operation note etc. such as facility information, electrical network interior joint voltage, line current, switch reclosures that form network.J2EE server comes connection data storehouse by JDBC driver and realizes seamless link by JDBC-ODBC bridge and non-Java language system.
4, security of system design: before the network technology of advanced person and distributed computing technology are introduced electric network failure diagnosis system, the security of necessary fully guarantee system.If when a dispatching center or the administrative client of transformer station more time, must set up special subscriber's meter, this table is used for recording the essential information of validated user, and this authority manages by having the system that system highest weight limits.
Claims (2)
1. based on the electric network failure diagnosis system of J2EE distributed computing technology, it is characterized in that: comprise apps server, client and database, wherein:
Described apps server adopts J2EE framework to realize, and apps server is made up of Web server and Enterprise Java Bean container; Web server adopts JSP technology and Java Servlet technology to realize, be responsible for the electric network data information receiving client transmissions, by local interface, the data that electric substation gathers are passed to Enterprise Java Bean container, and the result formation webpage of Enterprise Java Bean container algorithm calculations and Logic judgment is turned back to client, Web server also can carry out alternately with database simultaneously; The arithmetical operation of whole fault information processing system and the session BEAN assembly of logical operation is provided with in Enterprise Java Bean container; The integrated intelligent processing system from each transformer station preprocessed data and the whole network static knowledge of Enterprise Java Bean container, builds a session BEAN assembly for each functional module; Being responsible for the session BEAN assembly of arithmetical operation and logical operation and Web server and entity B EAN assembly is local interaction, the BEAN assembly be arranged in Enterprise Java Bean container realizes mapping with the same machine of each field of database, the i.e. data of whole system, comprising fault recorder data that data that client passes back and session BEAN calculate data and the electric network fault process obtained is all be mapped to during database shows accordingly by entity B EAN assembly;
Described client refers to all nodes controlled by certain grid dispatching center or electric substation, client carries out the Real-time Collection of electrical network dynamic parameter by fault wave recording device, the data gathered are presented on the main wiring diagram of client on the one hand in real time, after client-side program carries out pre-service by the data preprocessing module with Distributed Calculation and multithreading characteristic to recorder datas a large amount of during fault simultaneously, pass dispatching center fast back by electric system dedicated network and carry out Distributed Calculation, and by primary fault recorder data and pre-processed results stored in local data base.
2. according to claim 1, it is characterized in that:, it is characterized in that: client adopts Java language and Java Applet mechanism to work out, and packed, be in place on the server of dispatching center or transformer station, client itself has server end applied logic EJB assembly and JSP access interface.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213540A (en) * | 2018-10-31 | 2019-01-15 | 湖北大学 | Power grid data processing method and device for handheld device |
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Application publication date: 20150722 |