CN102769664B - Synchronous access method of realtime banks and transformer substation monitoring system - Google Patents
Synchronous access method of realtime banks and transformer substation monitoring system Download PDFInfo
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- CN102769664B CN102769664B CN201210207406.8A CN201210207406A CN102769664B CN 102769664 B CN102769664 B CN 102769664B CN 201210207406 A CN201210207406 A CN 201210207406A CN 102769664 B CN102769664 B CN 102769664B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
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Abstract
The invention relates to a synchronous access method of realtime banks and a transformer substation monitoring system. The system comprises a master server and a slave server, wherein operator stations are respectively in communicating connection with the master server and the slave server; the master server and the slave server are respectively provided with the realitime bank, a server side application module, a client side application module and a server side realtime bank remote access interface module; synchronized private network connection is adopted between the master server and the slave server so as to be used for synchronization of the two realtime banks; each operator station is provided with a client side application module and a client side realtime bank remote access interface module; and the operator stations access the realtime banks in the servers through the client side realtime bank remote access interface modules and the server side realtime bank remote access interface modules. According to the system, a client side realtime bank remote access mechanism is arranged, so that the synchronization of the servers to operators is omitted, the synchronization of the realtime banks can be realized only through the synchronization between two host machines, the synchronization of the two servers can be separated by adopting a private network, the network of the monitoring system is not affected, the reliability is enhanced, and the efficiency is improved.
Description
Technical field
The invention belongs to power system automation technology field, relate to the synchronous access method of a kind of real-time database and monitoring system of electric substation.
Background technology
Along with the propelling that intelligent grid is built, the reliability requirement of supervisory control system to real time data is more and more higher, and this just has higher requirement to the time of active-standby switch.
Current pattern is under two server multioperation person stands configuration, operator station and server all configure real-time database, real time data needs to be synchronized to standby server and each operator station from master server, also causes station level network traffic data larger during real-time synchronization data volume Datong District.
When active-standby switch, new master server all will carry out a real-time database with standby server and each operator and recover, and it is large that real-time database recovers data volume, causes network traffics very large.Due to real-time database, to recover host number many, real-time database recovery time long (under the configuration of two server dual operation station, usually more than 1 minute), and this causes active-standby switch recovery time can not be up to standard.
Summary of the invention
The object of this invention is to provide the synchronous access method of a kind of real-time database and monitoring system of electric substation, to solve the problem that synchrodata amount is large, offered load is heavy that original real-time database synchronous method causes.
For achieving the above object, the synchronous access method technical scheme of real-time database of the present invention is as follows: adopt the active/standby server of the monitoring system of electric substation of the method to adopt synchronous private network to connect, operator station is connected with active/standby server real-time database by distant place access interface, operator station no longer configures real-time database, only in active/standby server, arranges real-time database;
When client-access real-time database in operator station:
By dynamic load power system operation object accesses module I CSTaskObjects, call plain objects access interface to carry out real-time database access, when application program is client application, the operation of thread is write in shielding to real-time database buffer memory;
Carry out common real-time database access by shared real-time database type identification access modules ICSTypeInfo class libraries, load Remote interface module;
By dynamic load real-time database general operation object accesses module I CSDBObjects module, call plain objects access interface to carry out real-time database access;
When service end access real-time database:
The cache object access interface of service end access ICSTaskObjects module;
Service end directly accesses real-time database interface.
Further, described ICSTypeInfo module is selected to load real-time database access modules according to the application name be loaded, if client then loads Remote interface module, otherwise loads Local Interface Module.
The synchronous monitoring system of electric substation of real-time database of the present invention comprises active/standby server, operator station is connected with active/standby server communication respectively, in described active/standby server, all real-time database is set, service end application module, client application module and service end real-time database remote access interface module, and between active/standby server, adopt synchronous private network to connect synchronous for two real-time database, client application module and client real-time database remote access interface module are all set in operator station, operator station is by the real-time database in client real-time database remote access interface module and service end real-time database remote access interface module accesses server.
The access method that real-time database of the present invention is synchronous and monitoring system of electric substation, client real-time database remote access mechanism has been had then to eliminate synchronous to operator of server, synchronously only have between two main frames for real-time database synchronous, like this can by the synchronous employing private network of two-server separately, can solve that the synchrodata amount that original real-time database synchronous method causes is large by this real-time database synchronous method, the offered load shortcoming such as heavily, decrease station level network traffics, improve the real-time database synchronous efficiency in supervisory control system, monitoring system of electric substation real-time database relates to active/standby server, operator station, engineer station waits station level main frame, this synchronous method needs in active/standby server, arrange real-time database and real-time database remote access interface module, the real-time database simultaneously adopting dedicated Internet access to be used between active/standby server between active/standby server is synchronous, but in operator station, connect the real-time database of main frame by remote access interface not in the independent real-time database of configuration, when there is active-standby switch, the remote access interface of operator station can be connected to new main frame real-time database, thus realize operator station Refresh Data, thus eliminating server synchronous to the real-time database of operator, only have between two main frames for full station real-time database synchronous, can by the synchronous employing private network of two-server separately, do not affect supervisory control system network, reliability strengthens, efficiency improves.
Accompanying drawing explanation
Fig. 1 is the server communication network Communication Graph of embodiment;
Fig. 2 is the real-time database private network synchronizing network schematic diagram of embodiment;
Fig. 3 is the client remote access figure of embodiment;
Fig. 4 is that the client of embodiment adopts the remote access flow chart of real-time database.
Embodiment
The synchronous monitoring system of electric substation of real-time database is as Fig. 1, shown in 2, this system comprises active/standby server, operator station is connected with active/standby server communication respectively, in described active/standby server, all real-time database is set, service end application module, client application module and service end real-time database remote access interface module, and between active/standby server, adopt synchronous private network to connect synchronous for two real-time database, client application module and client real-time database remote access interface module are all set in operator station, operator station is by the real-time database in client real-time database remote access interface module and service end real-time database remote access interface module accesses server.Client is by the real-time database of remote service proxy (RtdbProxy) process access main frame, and when active and standby switching, the dynamic switching of client remote service broker (RtdbProxy) is connected to main frame and realizes Refresh Data.
The functions of modules more than used is as shown in the table:
Functions of modules list
There is client real-time database remote access mechanism then to eliminate synchronous to operator of server, synchronously only had between two main frames for real-time database synchronous, like this can by the synchronous employing private network of two-server separately, do not affect supervisory control system network, reliability strengthens, and efficiency improves, and sees Fig. 1.
Private network is adopted to connect between server, operator station and device A, B net communication with it.
Real-time database remote access interface module.
1. service end increases real-time database remote access service process (RtdbProxy), and start and stop are responsible in real-time database management of process (procman);
2. real-time database remote access interface module is connected by network (TCP/IP) and the real-time database remote access service on server:
(1) connect configuration: according to the server ip configuration in ics8000/ini/ProManiger.ini, adopt two net
DoubleNet=1 // bis-net configuration
L_ID = 1
R_ID = 3
The IP1 of LocalIP_1=" 10.100.100.1 " // server 1
The IP2 of LocalIP_2=" 11.100.100.1 " // server 1
LocalPort_1 = 8031
LocalPort_2 = 8032
The IP1 of RemoteIP_1=" 10.100.100.2 " // server 2
The IP2 of RemoteIP_2=" 11.100.100.2 " // server 2
……
(2) two-shipper connected mode
When there is following situation, remote access interface module (remotegdb) can be attempted connecting with the remote access service on an other station server:
When finding that real-time database remote access service (rtdbproxy) role switching connected is standby;
When be connected with real-time database remote access service disconnect time.
The active/standby server of the monitoring system of electric substation of the synchronous access method of real-time database is adopted to adopt synchronous private network to connect, operator station is connected with active/standby server real-time database by distant place access interface, operator station no longer configures real-time database, only in active/standby server, arranges real-time database; As shown in Figure 3,4,
When client-access real-time database in operator station:
Be power system operation object accesses module by dynamic load ICSTaskObjects(ICSTaskObjects module) module, call plain objects access interface to carry out real-time database access, when application program is client application, the operation of thread is write in shielding to real-time database buffer memory;
Being real-time database type identification access modules by share I CSTypeInfo(ICSTypeInfo module) class libraries carries out common real-time database access, loads Remote interface module;
Be real-time database general operation object accesses module by dynamic load ICSDBObjects(ICSDBObjects module) module, call plain objects access interface to carry out real-time database access;
When service end access real-time database:
The cache object access interface of service end access ICSTaskObjects module;
Service end directly accesses real-time database interface.
Claims (3)
1. the access method that a real-time database is synchronous, it is characterized in that, the active/standby server of the monitoring system of electric substation of the method is adopted to adopt synchronous private network to connect, operator station is connected with active/standby server real-time database by distant place access interface, operator station no longer configures real-time database, only in active/standby server, arranges real-time database;
When client-access real-time database in operator station:
By dynamic load power system operation object accesses module I CSTaskObjects, call plain objects access interface to carry out real-time database access, when application program is client application, the operation of thread is write in shielding to real-time database buffer memory;
Carry out common real-time database access by shared real-time database type identification access modules ICSTypeInfo class libraries, load Remote interface module;
By dynamic load real-time database general operation object accesses module I CSDBObjects module, call plain objects access interface to carry out real-time database access;
Client is by remote service proxy process access master server real-time database, and when active/standby server switches, client remote service broker switching is connected to new master server real-time database and realizes Refresh Data;
When service end access real-time database:
The cache object access interface of service end access ICSTaskObjects module;
Service end directly accesses real-time database interface;
Service end increases real-time database remote access service process, and start and stop are responsible in real-time database management of process.
2. method according to claim 1, is characterized in that: described ICSTypeInfo module is selected to load real-time database access modules according to the application name be loaded, if client then loads Remote interface module, otherwise loads Local Interface Module.
3. the monitoring system of electric substation that a real-time database is synchronous, it is characterized in that, this system comprises active/standby server, operator station is connected with active/standby server communication respectively, in described active/standby server, all real-time database is set, service end application module, client application module and service end real-time database remote access interface module, and between active/standby server, adopt synchronous private network to connect synchronous for two real-time database, client application module and client real-time database remote access interface module are all set in operator station, operator station is by the real-time database in client real-time database remote access interface module and service end real-time database remote access interface module accesses server.
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| CN201210207406.8A CN102769664B (en) | 2012-06-21 | 2012-06-21 | Synchronous access method of realtime banks and transformer substation monitoring system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU670852B2 (en) * | 1992-12-08 | 1996-08-01 | Telefonaktiebolaget Lm Ericsson (Publ) | A system for taking backup in a data base |
| CN1542652A (en) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | Application method and network system of fully distributed protected information processing system real-time database |
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| US20100153351A1 (en) * | 2008-12-16 | 2010-06-17 | Yung Alex P | Techniques for real-time database processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU670852B2 (en) * | 1992-12-08 | 1996-08-01 | Telefonaktiebolaget Lm Ericsson (Publ) | A system for taking backup in a data base |
| CN1542652A (en) * | 2003-11-06 | 2004-11-03 | 北京四方继保自动化有限公司 | Application method and network system of fully distributed protected information processing system real-time database |
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Owner name: XUJI ELECTRIC CO., LTD. Free format text: FORMER OWNER: XUJI GROUP CO., LTD. Effective date: 20131209 Owner name: XUCHANG XUJI SOFTWARE TECHNOLOGY CO., LTD. STATE G Free format text: FORMER OWNER: XUJI ELECTRIC CO., LTD. XUCHANG XUJI SOFTWARE TECHNOLOGY CO., LTD. SHANDONG ELECTRIC POWER CORP. QINGDAO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER CORPORATION Effective date: 20131209 |
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Effective date of registration: 20131209 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant after: Xuji Electric Co., Ltd. Applicant after: Xuchang Xuji Software Technology Co., Ltd. Applicant after: State Grid Shandong Electric Power Company Applicant after: Qingdao Power Supply Company, State Grid Shandong Electric Power Company Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant before: Xuji Group Co., Ltd. Applicant before: Xuji Electric Co., Ltd. Applicant before: Xuchang Xuji Software Technology Co., Ltd. Applicant before: Shandong Electric Power Corp. Applicant before: Qingdao Power Supply Co., Ltd., Shandong Electric Power Corporation |
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