CN101976886B - Distributed data collection partitioning mutual backup method for power dispatching automation system - Google Patents
Distributed data collection partitioning mutual backup method for power dispatching automation system Download PDFInfo
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- CN101976886B CN101976886B CN 201010524217 CN201010524217A CN101976886B CN 101976886 B CN101976886 B CN 101976886B CN 201010524217 CN201010524217 CN 201010524217 CN 201010524217 A CN201010524217 A CN 201010524217A CN 101976886 B CN101976886 B CN 101976886B
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Abstract
The invention relates to a distributed data collection partitioning mutual backup method for a power dispatching automation system, which comprises the following steps of: (1) partitioning a data acquisition part in a wide area range in a power dispatching automation system, wherein each data acquisition area transmits the data of the local area to other data acquisition areas by a dispatching data network when processing a data acquisition task in the local area; (2) during normal running, only processing and transmitting the data of the local area to an SCADA (Supervisory Control And Data Acquisition) application by each data acquisition area and using the data transmitted from other areas just as heat backup processing without transmitting the data to the SCADA application; and (3) when the data collection area is sectionalized from other areas, if transmitted communication is normal, converting the transmitted communication from a backup state into an on-duty state, and after the transmitted data is processed, transmitting the data to the SCADA application, thereby ensuring the integrity of real-time data of all independent running parts after the system is sectionalized.
Description
Technical field
The present invention relates to a kind of operation method of electric power scheduling automatization system data acquisition, be used for improving 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 two or more front server concentrates on a ground, be in running status for subsequent use each other between each front server, every front server has the ability that can process all communication tasks.But the development along with the electrical network scale, 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 long-distance disaster requirement for subsequent use 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 greatly increase so user's system maintenance difficulty, and the various functions of system can not meet the demands fully also.The distributed data acquisition technology well solves these problems, but can occur again the incomplete problem of each independent operating part real time data after the distributed system off-the-line.
Summary of the invention
For solving the deficiency of existing dispatch automated system distributed data acquisition mode, the object 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, so that each off-the-line part can collect all real time datas, guarantee the normal operation of data acquisition and supervisor control function.
A kind of distributed data collection partitioning mutual backup method for power dispatching automation system is characterized in that: may further comprise the steps:
(1) a plurality of data acquisitions zone at first is set according to actual needs in the database of electric power scheduling automatization system, each data acquisition zone arranges a plurality of data acquisition servers and a plurality of data acquisition communication apparatus, a plurality of data acquisition servers are hot standby each other when operation, guarantee the reliable, complete and efficient of data acquisition and processing, and data acquisition server is responsible for each data acquisition communication apparatus of initialization;
(2) according to the configuration of step (1), at first from the electric power scheduling automatization system database, read in the data acquisition area information under certain data acquisition server, then the data acquisition communication apparatus corresponding with this data acquisition server according to this data acquisition area information initialization, communication link is set up at the factory station of initialized data acquisition communication apparatus and notebook data pickup area, process these factory's relevant measuring point information real time datas in station, then these real time datas are sent to data acquisition and supervisor control, send real time data to other one or more data acquisitions zones simultaneously;
(3) when whole electric power scheduling automatization system normally carries out paired running, be used as processing for subsequent use from the real time data that other data acquisition zones are brought, be not sent to data acquisition and supervisor control is processed again; When the electric power scheduling automatization system off-the-line is moved, just automatically become state on duty by stand-by state from the data acquisition zone of off-the-line by the real time data that sends over, then be sent to data acquisition and supervisor control is processed again, guarantee integrality and the real-time of this off-the-line area data; After the electric power scheduling automatization system system returned to the paired running state from the off-the-line running status, the real time data that forwards from other data acquisition zones can revert to stand-by state again automatically.
Mutually transmit real time data by the data dispatching net between the above-mentioned different data acquisition zone.
Among the present invention, when electric power scheduling automatization system carries out normal synchronous operation, the real time data that other a large amount of data acquisition zones forward is just as for subsequent use, therefore can not have any impact to system itself, the load of the data acquisition server in the data acquisition zone of can too much increase not being responsible for receiving, and the data of transmitting to other data acquisition zones can increase and delete easily online, can not produce on other forwarding data any impact in the process of increase and deletion forwarding data.
Therefore, distributed data acquisition server in the electric power scheduling automatization system of the present invention no longer is the data that can only process in the notebook data pickup area, but in the situation that off-the-line also can be processed the data in other data acquisition zones, the present invention does simple expansion with the distributed data acquisition zone in the dispatch automated system, but adopt the mode of transmitting each other real time data by other networks (such as the data dispatching net), make the subsystem in the data acquisition zone of each electric power scheduling automatization system possess the ability that gathers total data, but do not increase again corresponding data acquisition communication apparatus and data acquisition server, guaranteed again that when reducing investment outlay data are processed reliable and efficient.
The main technology point of the present invention is:
(1) in the electric power scheduling automatization system of wide-area distribution type, data are captured in carry out the subregion in the wide scope and arrange, in the data acquisition task of each data acquisition zone in processing own zone, also the data communication device of one's respective area is crossed the data dispatching net and be forwarded to other data acquisition zones;
(2) when electric power scheduling automatization system normally moves, data acquisition and supervisor control application are sent to after only the data of one's respective area being processed in each data acquisition zone, the data that other data acquisition zones forward are only processed as stand-by heat, are not sent to data acquisition and supervisor control and use;
(3) after certain data acquisition zone and other regional off-the-lines, if it is normal to transmit communication, then this is transmitted communication and transfer state on duty to by stand-by state, data acquisition and supervisor control application will be sent to after these forwarding datas processing, the integrality of the real time data of each independent operating part after the assurance system splitting in the data acquisition zone that receives forwarding data.
The beneficial effect that the present invention reaches is: the user can build a distributed integral system according to existing communication channel resource distribution situation, simultaneously in order to take precautions against the risk of distributed system off-the-line, need not increase again investment communication channel is set up to each data acquisition subregion in all factory stations, directly utilize existing communication resources just to finish subregion standby mutually, be convenient to user's routine use and management, also improved the disaster tolerance ability of system.
Description of drawings
Fig. 1 is the distributed data collection partitioning mutual backup method for power dispatching automation system schematic diagram;
Fig. 2 is the distributed data collection partitioning mutual backup method for power dispatching automation system schematic diagram in the off-the-line situation.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed introduction.
Fig. 1 is the distributed data collection partitioning mutual backup method for power dispatching automation system schematic diagram; Fig. 2 is the distributed data collection partitioning mutual backup method for power dispatching automation system schematic diagram in the off-the-line situation.
A plurality of data acquisitions zone at first is set in the database of electric power scheduling automatization system according to actual needs, each data acquisition zone arranges a plurality of data acquisition servers and a plurality of data acquisition communication apparatus, a plurality of data acquisition servers are hot standby each other when operation, guarantee the reliable, complete and efficient of data acquisition and processing, and data acquisition server is responsible for each data acquisition communication apparatus of initialization.
Then from the database of electric power scheduling automatization system, read in the data acquisition area information under this advance data acquisition server, and then according to the data acquisition communication apparatus under the information initializing notebook data pickup area in this data acquisition zone, and the factory station of data acquisition communication apparatus and notebook data pickup area set up communication link, the notebook data pickup area is only processed measuring point information and the order relevant with these factory stations, and the various states at these measuring points of real-time judge, communication and factory station.
As shown in Figure 1, the A in data acquisition I district, B two number of units are only processed two communication channels at A factory station according to acquisition server, two communication channels that the A in data acquisition II district, B two number of units are stood according to an acquisition server treatments B factory, the A in data acquisition III district, B two number of units are only processed two communication channels at C factory station according to acquisition server.Simultaneously, the real time data of the data acquisition server in data acquisition I district and III district after with A factory and C factory and office reason sends to the data acquisition server in data acquisition II district by the data dispatching net, at this moment, data acquisition I district, II district and III district are in the paired running state, therefore only the real time data at factory station is sent to data acquisition and supervisor control application under will be separately, and the real time data of the A factory that receive in data acquisition II district forwards from data acquisition I district and III district and C factory is only as processing for subsequent use, be not sent to data acquisition and supervisor control and use, this process can not increase the load of the data acquisition server in data acquisition II district.
When the situation of off-the-line has occured in electric power scheduling automatization system, as shown in Figure 2, the network in data acquisition I district and data acquisition II district and III district interrupts, if do not adopt the mutual Preparation Method of subregion, two zones in the II district of off-the-line and III district all can not have complete real time data so, and after adopting the mutual Preparation Method of subregion, data acquisition II district finds and data acquisition I district off-the-line, the real time data of the A factory that just automatically data acquisition I district is forwarded by the data dispatching net transfers state on duty to from stand-by state, and give data acquisition and supervisor control with it and use, thereby guaranteed the integrality of the real time data of one's respective area.
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, the real time data of the A factory that then automatically data acquisition I district is forwarded by the data dispatching net transfers stand-by state to from state on duty, and stop to give data acquisition and supervisor control application with it, continue to give data acquisition and supervisor control application by data acquisition I district with the real time data of A factory.
We know, in the data acquisition task of each data acquisition zone in processing own zone, also the data communication device of one's respective area is crossed the data dispatching net and be forwarded to other data acquisition zones, therefore, data retransmission mode between the above-mentioned data acquisition zone is an example just, also can be that data acquisition II district and III district forward the data to data acquisition I district or other are more regional, perhaps data acquisition I district and II district are dealt into data acquisition III district and other zones with the data synchronous rotating, in actual mechanical process, each data acquisition zone each other can be with any one compound mode forwarding data, in the situation that off-the-line, other data acquisition zones can both obtain complete real time data to guarantee wherein a certain data acquisition zone.In addition, in any data pickup area, in order to guarantee the reliability of data acquisition, generally all adopt a plurality of data acquisition servers, the various data that the mutual clearing house of meeting needs between a plurality of data acquisition servers during normal operation, mutually monitor the running status of other machines, jointly finish all data acquisition tasks of notebook data pickup area, when any number of units during according to the acquisition server fault, data acquisition task on it can be automatically assigned on the remaining other machines, even only be left all data acquisition tasks and the mutually standby task of subregion that an advance data acquisition server also can be finished the notebook data pickup area.
Above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (2)
1. distributed data collection partitioning mutual backup method for power dispatching automation system is characterized in that: may further comprise the steps:
(1) a plurality of data acquisitions zone at first is set according to actual needs in the database of electric power scheduling automatization system, each data acquisition zone arranges a plurality of data acquisition servers and a plurality of data acquisition communication apparatus, a plurality of data acquisition servers are hot standby each other when operation, and data acquisition server is responsible for each data acquisition communication apparatus of initialization;
(2) according to the configuration of step (1), at first from the electric power scheduling automatization system database, read in the data acquisition area information under certain data acquisition server, then the data acquisition communication apparatus corresponding with this data acquisition server according to this data acquisition area information initialization, communication link is set up at the factory station of initialized data acquisition communication apparatus and notebook data pickup area, process these factory's relevant measuring point information real time datas in station, then these real time datas are sent to data acquisition and supervisor control, send real time data to other one or more data acquisitions zones simultaneously;
(3) when whole electric power scheduling automatization system normally carries out paired running, be used as processing for subsequent use from the real time data that other data acquisition zones are brought, be not sent to data acquisition and supervisor control is processed again; When the electric power scheduling automatization system off-the-line is moved, just automatically become state on duty by stand-by state from the data acquisition zone of off-the-line by the real time data that sends over, then be sent to data acquisition and supervisor control is processed again; After electric power scheduling automatization system returned to the paired running state from the off-the-line running status, the real time data that forwards from other data acquisition zones can revert to stand-by state again automatically.
2. distributed data collection partitioning mutual backup method for power dispatching automation system according to claim 1 is characterized in that: mutually transmit real time data by the data dispatching net between the described different data acquisition zone.
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| JP5904782B2 (en) * | 2011-02-23 | 2016-04-20 | 株式会社東芝 | Medical information management system and medical information management method |
| CN102508709B (en) * | 2011-11-30 | 2014-06-25 | 国家电网公司 | Distributed-cache-based acquisition task scheduling method in purchase, supply and selling integrated electric energy acquiring and monitoring 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 |
| CN105277855B (en) * | 2015-11-19 | 2018-10-09 | 国电南瑞科技股份有限公司 | A kind of shared method of grid faults characteristics remote data between Dispatching Control 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 |
| CN108595699A (en) * | 2018-05-09 | 2018-09-28 | 国电南瑞科技股份有限公司 | The Stream Processing method of wide-area distribution type data in electric power scheduling automatization system |
| CN113253643A (en) * | 2021-05-12 | 2021-08-13 | 南瑞集团有限公司 | Master-slave mode control method and management system based on D5000 master-slave mode control system |
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Effective date of registration: 20110222 Address after: High road high tech Zone of Nanjing City, Jiangsu Province, No. 20 210061 Applicant after: NARI Technology Development Co., Ltd. Co-applicant after: Jiangsu Electric Power Company 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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