CN111130214A - Method and system for wide-area distributed integrated monitoring - Google Patents
Method and system for wide-area distributed integrated monitoring Download PDFInfo
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- CN111130214A CN111130214A CN201811283003.5A CN201811283003A CN111130214A CN 111130214 A CN111130214 A CN 111130214A CN 201811283003 A CN201811283003 A CN 201811283003A CN 111130214 A CN111130214 A CN 111130214A
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
Abstract
The invention provides a method and a system for wide-area distributed integrated monitoring, which comprises the following steps: the task scheduling center monitors each distributed monitoring center; when at least one distributed monitoring center fails, the task scheduling center selects the distributed monitoring center without the failure as a standby distributed monitoring center, sends the real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informs a model center of the failed distributed monitoring center and the standby distributed monitoring center; and the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center. The invention adopts an integrated monitoring mutual backup mode, can still stably operate when a system has a plurality of faults, saves more than 30 percent of investment in the aspect of construction cost compared with a single construction standby system in a distributed mutual backup mode, and does not need to set single operation and maintenance personnel in the later period of operation and maintenance.
Description
Technical Field
The invention relates to an automatic power dispatching system, in particular to a method and a system for wide-area distributed integrated monitoring.
Background
At present, a set of standby system is additionally built outside the original system in provincial and above power dispatching automation systems, and the ground power dispatching automation systems generally select another nearby ground power dispatching automation system as the standby system, maintain the standby systems in a unified way, acquire data respectively and operate respectively. However, there are three disadvantages in this mode, first, when the standby system also fails, the system will crash completely; secondly, in consideration of the reliability of data acquisition, a set of standby system is established conventionally, and if an acquisition server fails, the data of the whole system cannot be acquired; thirdly, in view of the construction cost and the operation and maintenance cost, the construction of the standby system not only has high construction cost, but also needs to invest huge manpower and material resources in later operation and maintenance.
Disclosure of Invention
The invention provides a method and a system for wide area distributed integrated monitoring, which aim to solve the problem that a set of standby system is additionally established for monitoring a scheduling system in the prior art, but the normal operation of a service system cannot be ensured when both a main system and a standby system have faults. The system adopts a wide-area distributed integrated monitoring mutual backup mode, can still stably operate when a plurality of faults occur in the system, and can be automatically switched to another acquisition server in the aspect of data acquisition when the acquisition service fails, so that the stability of data acquisition is greatly improved; in the aspect of construction cost, the distributed mutual backup mode saves more than 30% of investment compared with a single construction standby system, and independent operation and maintenance personnel do not need to be arranged in the later period of operation and maintenance.
The technical scheme provided by the invention is as follows: a method for wide area distributed integrated monitoring, comprising:
the task scheduling center monitors each distributed monitoring center;
when at least one distributed monitoring center fails, the task scheduling center selects the distributed monitoring center without the failure as a standby distributed monitoring center, sends the real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informs a model center of the failed distributed monitoring center and the standby distributed monitoring center;
and the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center.
Preferably, when at least one of the distributed monitoring centers fails, the task scheduling center selects the distributed monitoring center that has not failed as a standby distributed monitoring center, and includes:
when at least one distributed monitoring center fails, the task scheduling center performs load balancing analysis based on the load conditions of all the distributed monitoring centers which do not fail, and determines a standby distributed monitoring center.
Preferably, after the at least one distributed monitoring center fails, the method further includes:
when the task scheduling center monitors that the distributed monitoring center with the fault recovers to work normally, the real-time data of the distributed monitoring center recovering to the normal is sent to the distributed monitoring center recovering to the normal through a communication gateway, and meanwhile, the distributed monitoring center recovering to the normal is notified to a model center;
and the model center sends the model service of the normally recovered distributed monitoring center to the normally recovered distributed monitoring center.
Preferably, the sending the real-time data of the failure distributed monitoring center to the standby distributed monitoring center through a communication gateway includes:
sending the real-time data of the fault distributed monitoring center to a communication gateway;
and the communication gateway forwards real-time data to the standby distributed monitoring center through a broadcasting strategy.
Preferably, after forwarding the real-time data to the standby distributed monitoring center through the broadcast policy, the communication gateway includes:
and the data acquisition and monitoring control system SCADA message channel of the standby distributed monitoring center receives the real-time data of the fault distributed monitoring center.
Preferably, the task scheduling center monitors each distributed monitoring center, and further includes:
the task scheduling center monitors each data acquisition server to acquire real-time data of the transformer substation in the corresponding specified area and sends the real-time data to the communication gateway;
when at least one data acquisition server fails, the task scheduling center selects the data acquisition server without the failure as a standby data acquisition server, and the standby data acquisition server acquires real-time data responsible by the failure data acquisition server and sends the real-time data to the communication gateway.
Preferably, the task scheduling center, the communication gateway, the model center, each data acquisition server and each distributed monitoring center transmit information through a wide area service bus.
Preferably, the task scheduling center, the communication gateway, the model center, each data acquisition server, and each distributed monitoring center transmit information via a wide area service bus, and further include:
the information transmission between any two of the task scheduling center, the communication gateway, the model center, each data acquisition server and each distributed monitoring center can be encrypted and decrypted.
Based on the same inventive concept, the invention also provides a system for wide-area distributed integrated monitoring, which comprises:
the task scheduling center module is used for monitoring each distributed monitoring center;
the task scheduling center is used for selecting a distributed monitoring center without a fault as a standby distributed monitoring center when at least one distributed monitoring center has a fault, sending real-time data of the fault distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informing a model center of the fault distributed monitoring center and the standby distributed monitoring center;
and the model center module is used for sending the model service of the fault distributed monitoring center to the standby distributed monitoring center.
Preferably, the fault handling module includes:
the first sending unit is used for sending the real-time data of the fault distributed monitoring center to a communication gateway;
and the second sending unit is used for forwarding the real-time data to the standby distributed monitoring center by the communication gateway through a broadcasting strategy.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the technical scheme provided by the invention, the task scheduling center monitors all distributed monitoring centers; when at least one distributed monitoring center fails, the task scheduling center selects the distributed monitoring center without the failure as a standby distributed monitoring center, sends the real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informs a model center of the failed distributed monitoring center and the standby distributed monitoring center; and the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center. The invention adopts a wide-area distributed integrated monitoring mutual backup mode, can still stably operate when a system has a plurality of faults, simultaneously saves more than 30 percent of investment in construction cost compared with a single construction standby system, and does not need to set separate operation and maintenance personnel in later operation and maintenance.
2. The technical scheme provided by the invention solves the problem that the system is broken down when the main and the standby are failed simultaneously in the traditional main and standby modes, and adopts the distributed mutual standby mode, when any one distributed control center fails, the task scheduling module distributes real-time data of the failure area to other areas, thereby achieving the purpose that all distributed monitoring centers are mutually standby, and further enhancing the stability of the whole system.
3. The technical scheme provided by the invention realizes integrated mutual backup, and each distributed monitoring center can be used as a backup for another distributed monitoring center in the distributed monitoring system, thereby achieving the purpose that all the distributed monitoring centers are mutually backup.
4. According to the technical scheme provided by the invention, the original 'sharing on demand' mode of system resources is changed into a 'using on demand' mode, so that the utilization efficiency of system resources such as communication, networks, hardware and the like is improved.
5. According to the technical scheme provided by the invention, the model center provides a model service for all the monitoring centers uniformly, and when a certain monitoring center breaks down, the model center can still issue the model to other standby monitoring centers, so that the system can run stably.
6. According to the technical scheme provided by the invention, the communication gateway issues the real-time data to each distributed monitoring center, so that the real-time data can still be sent to the standby monitoring center when a certain monitoring center fails.
7. According to the technical scheme provided by the invention, when the acquisition service fails, the acquisition service can be automatically switched to another acquisition server, so that the stability of data acquisition is greatly improved.
Drawings
FIG. 1 is a flow chart of a method for wide-area distributed integrated monitoring according to the present invention;
FIG. 2 is a schematic diagram of the wide area distributed monitoring system provided by the present invention;
fig. 3 is a schematic diagram of wide-area distributed monitoring mutual backup provided by the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
Example 1:
fig. 1 is a flowchart of a method for wide-area distributed integrated monitoring provided by the present invention, as shown in fig. 1, including:
step S1, the task scheduling center monitors each distributed monitoring center;
step S2, when at least one distributed monitoring center fails, the task scheduling center selects the distributed monitoring center without failure as a standby distributed monitoring center, sends the real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informs a model center of the failed distributed monitoring center and the standby distributed monitoring center;
and step S3, the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center.
The invention aims to solve the problems that in the monitoring of a power dispatching system, when the main and standby modes are failed in the traditional main and standby modes, the system cannot normally operate, and the construction cost and the maintenance cost are high.
In order to solve the problems, the invention adopts a wide-area distributed integrated mutual backup mode, and comprises the following steps:
step S1, the task scheduling center monitors each distributed monitoring center;
step S2, when at least one distributed monitoring center fails, the task scheduling center selects a non-failed distributed monitoring center as a standby distributed monitoring center, sends real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and notifies a model center of the failed distributed monitoring center and the standby distributed monitoring center, which specifically includes:
1) set up wide area service bus, realize the propagation and the communication of electric wire netting data on wide area network, can be quick carry out the processing and the retransmission of message under the cross-route environment, can adapt to the transmission of electric wire netting data on the various agreement to can realize the transmission of the encryption and decryption of data as required, not only guarantee high-efficient quick transmission data, still guarantee the safety of data on wide area network.
2) And setting a communication gateway as a data transfer station of the distributed monitoring system, processing the four remote data from the transformer substation system, and sending the processed data to the distributed monitoring center according to a data forwarding strategy.
3) The model center is arranged as a business function center for storing, maintaining, releasing and uniformly managing basic information data in the system, so that the model center can support the storage and maintenance requirements of various basic model data information of the existing large-scale power grid on one hand, and can also support the model data requirements of new business functions under the physical distribution and logic uniform whole-network integrated real-time monitoring system architecture in the future.
4) The model center provides model service for each distributed monitoring center, and the communication gateway sends real-time data to each distributed monitoring center.
5) And a task scheduling center is arranged, so that when a certain distributed monitoring center fails, the real-time data of the failure region can be distributed to the SCADA message channels of other regions, and the model center is informed to issue the model of the failure region to the system of the newly distributed region.
And step S3, the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center.
Wherein the real-time data comprises: the system comprises power grid operation data, remote measurement data, remote control data, remote signaling data and remote regulation data.
A distributed monitoring center comprising: and issuing the power grid operation condition in the monitoring area and issuing power dispatching information for maintaining the normal operation of the power grid in the monitoring area.
The model service includes: the topological structure of the substation and all models according to which the substation operates.
Example 2
The technical scheme provided by the invention can realize that a certain distributed monitoring center in the power system breaks down, and other monitoring centers in the system are started to be standby monitoring centers through the task scheduling center, so that the stable operation of the system is realized.
The present embodiment takes the sea city as an example to describe the scenario:
1) the Shanghai city monitoring center is divided into a city monitoring center, a Pudong monitoring center, an urban area monitoring center, a south city monitoring center and a north city monitoring center. All the distributed monitoring centers are provided with models by the model center in a unified way, and real-time data are obtained through the communication gateway.
2) Under normal conditions, model services for each distributed monitoring center are provided through the model centers, real-time data are sent to each distributed monitoring center through the communication gateway, and the task scheduling center realizes that the data are sent to the distributed monitoring centers.
3) When the Pudong monitoring center fails, other monitoring centers can be used as standby monitoring centers to be started, the task scheduling center performs load balance analysis based on the load conditions of all the distributed monitoring centers which do not fail, determines the standby distributed monitoring centers, for example, selects the northwest city monitoring center as the standby monitoring center, distributes the real-time data of the Pudong fault area to a data acquisition And monitoring Control System (SCADA) message channel in the northwest city, And informs the model center to issue the model service of the fault area to the monitoring centers in the northwest city.
4) The monitoring management of Pudong is realized by northwest of the city, and further, the mode that all monitoring centers are mutually standby is realized.
5) When the task scheduling center monitors that the failed Pudong monitoring center recovers to work normally, the real-time data of the Pudong monitoring center is sent to the Pudong monitoring center through the communication gateway, and meanwhile, the Pudong monitoring center is informed to the model center;
6) and the model center sends the model service of the Pudong monitoring center to the Pudong monitoring center.
In this embodiment, in addition to the task scheduling center monitoring each distributed monitoring center, the method further includes:
the task scheduling center monitors each data acquisition server to acquire real-time data of the transformer substation in the corresponding specified area and sends the real-time data to the communication gateway;
when at least one data acquisition server fails, the task scheduling center selects the data acquisition server without the failure as a standby data acquisition server, and the standby data acquisition server acquires real-time data responsible by the failure data acquisition server and sends the real-time data to the communication gateway.
The invention breaks the defects of the traditional main/standby mode, improves the stability of the system by a distributed mutual standby mode, and has the following specific characteristics:
1) in the distributed monitoring system, each distributed monitoring center can be used as a standby of another monitoring center, and therefore the purpose that all the distributed monitoring centers are mutually standby is achieved.
2) The original 'sharing on demand' of system resources is changed into a 'using on demand' mode, and the utilization efficiency of system resources such as communication, networks, hardware and the like is improved.
3) The model center provides a model service for all the monitoring centers uniformly, and when a certain monitoring center breaks down, the model center can still issue the model to other standby monitoring centers, so that the system can operate stably.
4) The communication gateway issues the real-time data to each distributed monitoring center, so that when a certain monitoring center fails, the real-time data can still be sent to the standby monitoring center.
Example 3:
based on the same inventive concept, the invention also provides a system for wide-area distributed integrated monitoring, which comprises:
the task scheduling center module is used for monitoring each distributed monitoring center;
the task scheduling center is used for selecting a distributed monitoring center without a fault as a standby distributed monitoring center when at least one distributed monitoring center has a fault, sending real-time data of the fault distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informing a model center of the fault distributed monitoring center and the standby distributed monitoring center;
and the model center module is used for sending the model service of the fault distributed monitoring center to the standby distributed monitoring center.
Preferably, the fault handling module includes:
the first sending unit is used for sending the real-time data of the fault distributed monitoring center to a communication gateway;
and the second sending unit is used for forwarding the real-time data to the standby distributed monitoring center by the communication gateway through a broadcasting strategy.
Preferably, the fault handling module further includes:
and the selecting unit is used for carrying out load balance analysis by the task scheduling center based on the load conditions of all the distributed monitoring centers without faults when at least one distributed monitoring center has faults, and determining a standby distributed monitoring center.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (10)
1. A method for wide area distributed integrated monitoring, comprising:
the task scheduling center monitors each distributed monitoring center;
when at least one distributed monitoring center fails, the task scheduling center selects the distributed monitoring center without the failure as a standby distributed monitoring center, sends the real-time data of the failed distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informs a model center of the failed distributed monitoring center and the standby distributed monitoring center;
and the model center sends the model service of the fault distributed monitoring center to the standby distributed monitoring center.
2. The method of claim 1, wherein when at least one of the distributed monitoring centers fails, the task scheduling center selects the non-failed distributed monitoring center as a spare distributed monitoring center, and the method comprises:
when at least one distributed monitoring center fails, the task scheduling center performs load balancing analysis based on the load conditions of all the distributed monitoring centers which do not fail, and determines a standby distributed monitoring center.
3. The method of claim 1, wherein after the at least one distributed monitoring center fails, further comprising:
when the task scheduling center monitors that the distributed monitoring center with the fault recovers to work normally, the real-time data of the distributed monitoring center recovering to the normal is sent to the distributed monitoring center recovering to the normal through a communication gateway, and meanwhile, the distributed monitoring center recovering to the normal is notified to a model center;
and the model center sends the model service of the normally recovered distributed monitoring center to the normally recovered distributed monitoring center.
4. The method of claim 1, wherein the sending the real-time data of the failed distributed monitoring center to the backup distributed monitoring center through a communication gateway comprises:
sending the real-time data of the fault distributed monitoring center to a communication gateway;
and the communication gateway forwards real-time data to the standby distributed monitoring center through a broadcasting strategy.
5. The method of claim 4, wherein after forwarding real-time data to the backup distributed monitoring center via a broadcast policy, the communication gateway comprises:
and the data acquisition and monitoring control system SCADA message channel of the standby distributed monitoring center receives the real-time data of the fault distributed monitoring center.
6. The method of claim 1, wherein the task scheduling center monitors each distributed monitoring center, and further comprising:
the task scheduling center monitors each data acquisition server to acquire real-time data of the transformer substation in the corresponding specified area and sends the real-time data to the communication gateway;
when at least one data acquisition server fails, the task scheduling center selects the data acquisition server without the failure as a standby data acquisition server, and the standby data acquisition server acquires real-time data responsible by the failure data acquisition server and sends the real-time data to the communication gateway.
7. The method according to any one of claims 1 to 6, wherein information is transmitted between the task scheduling center, the communication gateway, the model center, the data acquisition servers and the distributed monitoring centers via a wide area service bus.
8. The method of claim 7, wherein the task scheduling center, the communication gateway, the model center, the data acquisition servers, and the distributed monitoring centers transmit information via a wide area service bus, further comprising:
the information transmission between any two of the task scheduling center, the communication gateway, the model center, each data acquisition server and each distributed monitoring center can be encrypted and decrypted.
9. A system for wide area distributed integrated monitoring, comprising:
the task scheduling center module is used for monitoring each distributed monitoring center;
the task scheduling center is used for selecting a distributed monitoring center without a fault as a standby distributed monitoring center when at least one distributed monitoring center has a fault, sending real-time data of the fault distributed monitoring center to the standby distributed monitoring center through a communication gateway, and simultaneously informing a model center of the fault distributed monitoring center and the standby distributed monitoring center;
and the model center module is used for sending the model service of the fault distributed monitoring center to the standby distributed monitoring center.
10. The system of claim 9, wherein the fault handling module comprises:
the first sending unit is used for sending the real-time data of the fault distributed monitoring center to a communication gateway;
and the second sending unit is used for forwarding the real-time data to the standby distributed monitoring center by the communication gateway through a broadcasting strategy.
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