CN101958547A - Hot standby method of distributed data acquisition subareas of power dispatching automation system - Google Patents
Hot standby method of distributed data acquisition subareas of power dispatching automation system Download PDFInfo
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- CN101958547A CN101958547A CN 201010524633 CN201010524633A CN101958547A CN 101958547 A CN101958547 A CN 101958547A CN 201010524633 CN201010524633 CN 201010524633 CN 201010524633 A CN201010524633 A CN 201010524633A CN 101958547 A CN101958547 A CN 101958547A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The invention relates to a hot standby method of the data acquisition of a power dispatching automation system, comprising the following steps that: data acquisition parts are arranged in different areas within a wide area range in a wide area distributed automation system, wherein each plant station does not belong to a unique data acquisition area any longer but simultaneously belong to a plurality of data acquisition areas; only one data acquisition area is an on-duty data acquisition area when the plant stations simultaneously belonging to the plurality of data acquisition areas normally operate, the on-duty data acquisition area transmits processed real-time data to an SCADA (Supervisory Control And Data Acquisition) for use, wherein other data acquisition areas are standby areas, and data is only processed as hot standby without being transmitted to the SCADA for use; and after a certain data acquisition area is disconnected with the other data acquisition areas, the hot standby real-time data of the plant stations positioned in the certain data acquisition area is converted into an on-duty state and transmitted to the SCADA for use. The invention ensures the integrity of the real-time data of independent perorating parts after the system is disconnected.
Description
Technical field
The present invention relates to a kind of running technology of electric power scheduling automatization system data acquisition, be used to improve the reliability and the integrality of distributed data acquisition, belong to technical field of power dispatching automation.
Background technology
The data acquisition modes that dispatch automated system is traditional is that intrasystem front server more than two or two concentrates on one, be in standby each other running status between each front server, every front server all has the ability that can handle all communication tasks.But continuous development along with scale of power, amount of information is increasing, the performance requirement of every front server is just more and more higher, and along with trans-regional system integration and the standby requirement of long-distance disaster get more and more, if still adopt traditional centralized data acquisition modes then the dispatch automated systems of cover more than needing to set up, and then realize the exchange of data and share with other method, will increase user's system maintenance difficulty so greatly, and every function of system can not meet the demands fully also.The distributed data acquisition technology well solves these problems, but can occur the incomplete problem of each independent operating part real time data after the distributed system off-the-line again.
Summary of the invention
For solving the deficiency of existing dispatch automated system distributed data acquisition mode, the objective of the invention is to effectively solve the problem that distributed scheduling automated system each independent operating part when system splitting can't collect all real time datas, make each off-the-line part can collect all real time datas, guarantee the normal operation of SCADA (Supervisory Control And Data Acquisition, i.e. data acquisition and supervisor control) function.
A kind of electric power scheduling automatization system distributed data acquisition subregion hot spare method is characterized in that: may further comprise the steps:
1) a plurality of data acquisitions zone is set as required in the database of dispatch automated system, each data acquisition zone comprises plurality of data acquisition server and data acquisition communication apparatus, data acquisition server is responsible for each data acquisition communication apparatus of initialization, data acquisition server when operation each other heat be equipped with, guarantee the reliable and efficient of data processing;
2) read in the affiliated data acquisition area information of certain data acquisition server in the dispatch automated system database, then according to the initialization information of the data acquisition communication apparatus in this data acquisition zone, set up communication link with the factory station of notebook data pickup area, handle the data of the relevant measuring point information in these factory stations.Each factory station no longer is a data pickup area that belongs to unique, but can belong to a plurality of data acquisitions zone simultaneously.
When whole dispatch automated system normal condition is moved, have only one to be data acquisition zone on duty in a plurality of data acquisitions zone under each factory station, it is in running order data acquisition zone, to handle real time data afterwards by it and be sent to the SCADA application, all the other are spare area, data are only handled as stand-by heat, are not sent to SCADA and use.
When dispatch automated system off-the-line running status, the real time data of the stand-by heat of then standing these factories in the notebook data pickup area in each data acquisition zone of off-the-line transfers state on duty automatically to, be sent to SCADA then and handle again, guarantee the integrality and the real-time of this off-the-line area data.When whole system returns to from the off-the-line running status after normal operating condition is the paired running state, the real time data at these factories stations can revert to hot stand-by duty again automatically.
Dispatch automated system adopts distribution type data collection method, factory is sent to different data acquisition zones with data in the station, having only a data pickup area is state on duty, all the other are hot stand-by duty, when system is in the off-the-line state, the real time data of separating factory's station stand-by heat of column region transfers state on duty automatically to, and is sent to SCADA and uses.
When system normally moved, therefore the real time data at these factory stations on duty in other zones can not have any impact the load on the increase one's respective area data acquisition server that can be not too much to system just as stand-by heat.
Distributed data acquisition server in the electric power scheduling automatization system no longer is the data that can only handle in the notebook data pickup area at this moment, but under the situation of off-the-line, also can handle the data in other data acquisition zones, the present invention has done expansion with good conditionsi with the distributed data acquisition zone in the dispatch automated system, communication resources have been made full use of, make the data acquisition zone subsystem of each dispatch automated system all possess the ability of gathering total data, guaranteed the reliable and efficient of data processing.
The function that the present invention realizes comprises three parts:
(1) in the wide-area distribution type automated system, the data collecting part to be carried out the subregion be provided with in wide scope, each factory station no longer is a data pickup area that belongs to unique, but can belong to a plurality of data acquisitions zone simultaneously;
(2) factory that belongs to a plurality of data acquisitions zone simultaneously stands, and when normal operation, having only a data pickup area is data acquisition on duty zone, to handle real time data afterwards by it and be sent to the SCADA application, all the other are spare area, and data are only handled as stand-by heat, are not sent to SCADA and use;
(3) after certain data acquisition zone and other data acquisitions zone off-the-lines, then the real time data of the stand-by heat that these factories in this data acquisition zone are stood transfers state on duty to, and be sent to SCADA and use, the integrality of the real time data of each independent operating part after the assurance system splitting.
The beneficial effect that the present invention reached: the user can build a distributed incorporate system according to existing communication channel resource distribution situation, simultaneously in order to take precautions against the risk of distributed system off-the-line, can make full use of the communication resources of data dispatching net, make the factory station set up communication channel to each data acquisition subregion, directly utilizing existing communication resources just to finish subregion heat is equipped with, what be convenient to the user dailyly uses and manages, and has also improved the disaster tolerance ability of system.
Description of drawings
Fig. 1 is a dispatch automated system distributed data acquisition subregion hot spare method system connection diagram;
Fig. 2 is the dispatch automated system distributed data acquisition subregion hot spare method system connection diagram under the off-the-line situation.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed introduction.
At first from database, read in the data acquisition area information under this advance data acquisition server, and then according to the communication apparatus under the information initializing of this data collection zone, and set up communication link with the factory station of notebook data acquisition zone, only handle and these factory's relevant measuring point information and orders in station, and the various states at these measuring points of real-time judge, communication and factory station.As shown in Figure 1, two data acquisition server FESIA in data acquisition I district, two communication channels that FESIB only handles A factory station are network channel A1 and serial ports passage A2 information transmitted, two data acquisition server FESIIA in data acquisition II district, FESIIB handles A factory station, B factory station, four communication channels at three factory stations, C factory station, be network channel B1, serial ports channel B 2, network channel AB, network channel BC, two data acquisition server FESIIIA in data acquisition III district, FESIIIB only handles two communication channels at C factory station, i.e. network channel C1 and serial ports channel C 2.At this moment, it is the paired running state that data acquisition I district, II district and III district are in normal operating condition, therefore the real time data at A factory station is sent to the SCADA application by data acquisition I district, the real time data at B factory station is sent to SCADA by data acquisition II district and uses, and the real time data at C factory station is sent to SCADA by data acquisition III district and uses.The A factory that receive in data acquisition II district and the real time data of C factory are only handled as stand-by heat, are not sent to SCADA and use the load of the data acquisition server in increase data acquisition II district that can be not too much.
When the situation of off-the-line has taken place in system, as shown in Figure 2, data acquisition I district and data acquisition II district, the network in data acquisition III district interrupts, if the method that does not adopt subregion heat to be equipped with, two of off-the-line zones all can not have complete real time data so, and after adopting subregion heat to be equipped with technology, data acquisition II district finds and data acquisition I district off-the-line, just transfer A factory station to state on duty by the real time data that network channel AB transmits from hot stand-by duty automatically, and give SCADA with it and use, thereby guaranteed the integrality of the real time data of one's respective area, the work of remainder data pickup area is identical with the normal operating conditions situation.
When system returns to the paired running state under the off-the-line state, as shown in Figure 1, data acquisition this moment II district finds and data acquisition I district paired running, then automatic real time data with A factory transfers hot stand-by duty to from state on duty, and stop to give SCADA application with it, continue to give SCADA with the real time data of A factory and use by data acquisition I district.
And the like, in any data acquisition zone, in order to guarantee the reliability of data acquisition, generally all adopt the multimachine configuration, the various data that the mutual clearing house of meeting needs between the multimachine during normal the operation, monitor the running status of other machines mutually, finish all data acquisition tasks of notebook data acquisition zone jointly.When any data acquisition server fault, data acquisition task on it can be automatically assigned on the remaining other machines, is equipped with task even an only remaining advance data acquisition server also can be finished all the data acquisition tasks and the subregion heat of notebook data acquisition zone.
Those of ordinary skill in the art can recognize, electric power scheduling automatization system distributed data acquisition subregion hot spare method of the present invention is not only applicable to electric power system, is equally applicable to the data acquisition and supervision control of numerous areas such as other metallurgy, oil, chemical industry.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (4)
1. electric power scheduling automatization system distributed data acquisition subregion hot spare method is characterized in that: may further comprise the steps:
1) a plurality of data acquisitions zone is set as required in the database of dispatch automated system, each data acquisition zone comprises plurality of data acquisition server and data acquisition communication apparatus, data acquisition server is responsible for each data acquisition communication apparatus of initialization, hot each other being equipped with during the data acquisition server operation;
2) read in the affiliated data acquisition area information of certain data acquisition server in the database of dispatch automated system, then according to the initialization information of the data acquisition communication apparatus in this data acquisition zone, set up communication link with the factory station of notebook data pickup area, handle the data of the relevant measuring point information in these factory stations
Each factory station does not just belong to a unique data pickup area, but can belong to a plurality of data acquisitions zone simultaneously.
2. electric power scheduling automatization system distributed data acquisition subregion hot spare method according to claim 1, it is characterized in that: dispatch automated system comprises normal operating conditions, have only one to be data acquisition zone on duty in a plurality of data acquisitions zone during this state under each factory station, to handle real time data afterwards by it and be sent to the SCADA application, all the other are spare area, data are only handled as stand-by heat, are not sent to SCADA and use.
3. electric power scheduling automatization system distributed data acquisition subregion hot spare method according to claim 1, it is characterized in that: dispatch automated system comprises the off-the-line running status, the real time data of the stand-by heat that during this state then stand these factories in the notebook data pickup area in each data acquisition zone of off-the-line transfers state on duty automatically to, being sent to SCADA then handles again, after whole system returned to normal operating condition from the off-the-line running status, the real time data at these factory stations can revert to hot stand-by duty again automatically.
4. electric power scheduling automatization system distributed data acquisition subregion hot spare method according to claim 1, it is characterized in that: dispatch automated system adopts distribution type data collection method, factory is sent to different data acquisition zones with data in the station, having only a data pickup area is state on duty, all the other are hot stand-by duty, when system was in the off-the-line state, the real time data of separating factory's station stand-by heat of column region transferred state on duty automatically to, and is sent to SCADA and uses.
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Cited By (4)
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| CN102710020A (en) * | 2012-06-12 | 2012-10-03 | 中国电力科学研究院 | Service bus-based real time data wide-area interaction method of scheduling integration system |
| CN102833095A (en) * | 2012-08-10 | 2012-12-19 | 南京南瑞继保电气有限公司 | Multi-specialty high-capacity real-time data acquisition method |
| CN103390933A (en) * | 2013-07-18 | 2013-11-13 | 国家电网公司 | Central detection method of distributed data acquisition mode of dispatching automation system |
| CN106787205A (en) * | 2017-01-10 | 2017-05-31 | 国电南瑞科技股份有限公司 | Data acquisition mutual Preparation Method on demand between a kind of isomorphism electric power scheduling automatization system |
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| CN101286178A (en) * | 2008-06-06 | 2008-10-15 | 北京四方继保自动化股份有限公司 | Electric power automatization system real time database multi-domain group multi-section accomplishing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710020A (en) * | 2012-06-12 | 2012-10-03 | 中国电力科学研究院 | Service bus-based real time data wide-area interaction method of scheduling integration system |
| CN102710020B (en) * | 2012-06-12 | 2014-04-23 | 中国电力科学研究院 | Service bus-based real time data wide-area interaction method of scheduling integration system |
| CN102833095A (en) * | 2012-08-10 | 2012-12-19 | 南京南瑞继保电气有限公司 | Multi-specialty high-capacity real-time data acquisition method |
| CN103390933A (en) * | 2013-07-18 | 2013-11-13 | 国家电网公司 | Central detection method of distributed data acquisition mode of dispatching automation system |
| CN103390933B (en) * | 2013-07-18 | 2015-08-19 | 国家电网公司 | The centralized detecting method of dispatch automated system distributed data acquisition mode |
| CN106787205A (en) * | 2017-01-10 | 2017-05-31 | 国电南瑞科技股份有限公司 | Data acquisition mutual Preparation Method on demand between a kind of isomorphism electric power scheduling automatization system |
| CN106787205B (en) * | 2017-01-10 | 2019-05-28 | 国电南瑞科技股份有限公司 | Data acquire mutual Preparation Method on demand between a kind of isomorphism electric power scheduling automatization system |
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Owner name: GUODIAN NANRUI SCIENCE + TECHNOLOGY CO. LTD. NANTO Owner name: JIANGSU ELECTRIC POWER CO. Free format text: FORMER OWNER: GUODIAN NANRUI SCIENCE + TECHNOLOGY CO. LTD. Effective date: 20110215 |
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Inventor after: Chen Ning Inventor after: Zhang Long Inventor after: Sun Dayan Inventor after: Xiao Xiang Inventor after: Liu Huawei Inventor after: Xu Chunlei Inventor after: Sun Shiming Inventor after: Chen Guohua Inventor after: Yang Zhihong Inventor before: Chen Ning Inventor before: Xiao Xiang Inventor before: Xu Chunlei Inventor before: Sun Shiming Inventor before: Chen Guohua Inventor before: Yang Zhihong |
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Effective date of registration: 20110215 Address after: 210024 No. 215, Shanghai Road, Nanjing Applicant after: Jiangsu Electric Power Company Co-applicant after: NARI Technology Development Co., Ltd. Co-applicant after: Nantong Power Supply Company, Jiangsu Electric Power Co., Ltd. Address before: High road high tech Zone of Nanjing City, Jiangsu Province, No. 20 210061 Applicant before: NARI Technology Development Co., Ltd. |
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