CN111090698A - Alarm synchronization method and device for centralized monitoring of distribution network 1+ N system - Google Patents
Alarm synchronization method and device for centralized monitoring of distribution network 1+ N system Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/275—Synchronous replication
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses an alarm synchronization method and device for centralized monitoring of a distribution network 1+ N system, wherein an alarm synchronization strategy, a field mapping relation and a manual recruitment time period of various municipal alarms are configured at a distribution network master station side; monitoring topic of a Kafka system communicating with a distribution network main station at a local city side, inquiring alarm data needing synchronization from a database according to a synchronization strategy, carrying out data serialization through Protocol Buffers, and sending the data to the main station side through the Kafka system; the master station side system receives the serialized alarm data, carries out deserialization, analyzes the data item by item according to the field mapping relation, stores the data into a master station side database, writes the local log of the successful state information of the alarm data and sends the status information to the city side of the power distribution ground; and the system at the city side acquires information whether the alarm returned by the master station side is successfully put in storage or not, and prompts operation and maintenance monitoring personnel after the log is recorded. The invention improves the consistency of alarm data synchronization and rapidly positions bit synchronization alarm.
Description
Technical Field
The invention relates to the technical field of power dispatching automation, in particular to an alarm synchronization method and device for centralized monitoring of a distribution network 1+ N system.
Background
Distribution network power big data analysis has become the research direction of many power experts and manufacturers at present. The big data source of the electric power is a precondition for all analysis, if the scattered data is formed into standard data and then stored, a big data asset layer is formed, and the method has extremely important significance for providing efficient and valuable guidance, prediction and analysis for power grid enterprises. The distribution network 1+ N system is a system for centralized management of a city side and a main station side in a power distribution system, wherein '1' refers to a power distribution main station side, and 'N' refers to a power distribution city side. When the 1+ N system of the distribution network is monitored in a centralized mode, the alarm of the city side of the distribution place needs to be synchronized into the system of the distribution main station for unified and efficient management. How to reliably merge scattered data together in a distribution network 1+ N system requires an efficient and safe data synchronization method. At present, database synchronization technology is more and more mature, and open source technology is more and more endless. The distribution network 1+ N system contains a large amount of alarm information, data are multi-source, and once data loss occurs, the troubleshooting process is complex. Because the actual operation conditions of each system field are complex and changeable, the problem of data synchronization can occur, and how to efficiently check and position the lost alarm data is also an important problem concerned by power distribution operation personnel.
Technologies applicable to large data and multisource system data in recent years include Kafka and Protocol Buffers, etc. Kafka is a high-throughput distributed publish-subscribe messaging system with high performance, persistence, multi-copy backup, and horizontal expansion capabilities. The producer writes messages into the queue, and the consumer cancels messages from the queue to perform business logic. Protocol buffers is a lightweight and efficient structured data storage format that can be used for structured data serialization, or serialization. It is well suited for data storage or RPC data exchange formats. The method can be used for language-independent, platform-independent and extensible serialization structure data formats in the fields of communication protocols, data storage and the like. The techniques may be utilized to achieve synchronization of multi-source system alarm data.
The existing data synchronization technology in the field of power distribution automation is mainly a mode of realizing synchronization of sql statements based on a service bus. The general process is to periodically load (increment) data from a data source, process it according to the conversion logic, and write it to a destination. According to different business needs and computing power, the time delay of batch processing is usually different from day to minute, and the method cannot be well suitable for synchronization of a multi-source system.
The existing technology for synchronizing various similar ETL tools based on databases has high operation cost: it is generally slow, time and resource intensive, and a batch processing approach that is not conducive to efficient transmission of data, and frequently changing filtering strategies cannot be updated in real time when processing power distribution data with strong traffic.
The Kafka-based data synchronization technology is used more and more in the field of big data, and a lot of data synchronization software exists, so that the Kafka-based data synchronization technology cannot be suitable for the management requirement of a security area, or is complex in deployment, high in maintenance cost and high in operation and maintenance capacity. A data synchronization technology suitable for the current distribution automatic monitoring system is needed, and a method which can solve data isomerism, is efficient in synchronization and is convenient for operation and maintenance troubleshooting is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an alarm synchronization method and device for centralized monitoring of a distribution network 1+ N system, and solves the problems of low efficiency and difficult operation and maintenance investigation of synchronous processing of a large amount of existing alarm data.
In order to achieve the above purpose, the invention adopts the following technical scheme: an alarm synchronization method for centralized monitoring of a distribution network 1+ N system comprises the following steps:
alarm synchronization strategies and field mapping relations of various city alarms and artificial recruitment alarm data time periods are configured at the distribution network master station side of the distribution network 1+ N system;
acquiring and monitoring topic of a Kafka system for communicating with a distribution network master station at a city side, inquiring alarm data needing synchronization from a database according to a synchronization strategy if the topic can communicate with the Kafka system, serializing the alarm data through Protocol Buffers, and sending the alarm data to the master station side through the Kafka system;
the master station side system receives the serialized alarm data, carries out deserialization through Protocol Buffers, analyzes the deserialized data item by item according to a field mapping relation, stores the data into a master station side database, and writes the state information of whether the alarm data is successfully submitted to the database into a local log and sends the state information to a power distribution city side;
and the system at the city side acquires information whether the alarm returned by the master station side is successfully put in storage or not, and prompts operation and maintenance monitoring personnel after the log is recorded.
Further, the synchronization strategy comprises a synchronized alarm type, a synchronized time period, a synchronized frequency and a synchronized mode;
the synchronization mode comprises increment synchronization and stock synchronization; the increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data according to a manual recruitment time period.
Further, the field mapping relationship represents the corresponding relationship between the alarm fields of each city and the alarm fields of the distribution network master station.
Further, the step of querying alarm data to be synchronized from the database according to the synchronization policy includes:
and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
if the mode is the increment mode, then:
and the system at the urban side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy.
Further, the distribution network 1+ N system includes: 1 distribution network main station and N distribution network local city side systems.
A centralized monitoring alarm synchronization device for a distribution network 1+ N system comprises a synchronization maintenance module and an analysis processing module in a distribution network main station, and source end data extraction modules, a verification notification module and an alarm synchronization strategy and mapping module in N distribution network city side systems;
the synchronous maintenance module is used for configuring a synchronous strategy and a field mapping relation of an alarm sent by a local side system to a distribution network main station side and a time period for manually supplementing and calling alarm data at the distribution network main station side of the distribution network 1+ N system;
the alarm synchronization strategy and mapping module is used for storing a synchronization strategy, a field mapping relation and a manual recruitment alarm data time period which are issued by the distribution network master station side;
the source end data extraction module is used for monitoring topic of a Kafka system which communicates with the distribution network master station at the city side, and if the topic is the same, the source end data extraction module can communicate; inquiring alarm data needing to be synchronized from a database according to a synchronization strategy, serializing the alarm data through Protocol Buffers, and sending the alarm data to a master station side through a Kafka system;
the analysis processing module is used for receiving the serialized alarm data, performing deserialization through Protocol Buffers, analyzing the deserialized data item by item according to a field mapping relation, storing the data into a database at the master station side, and writing the state information of whether the alarm data is successfully submitted to the database into a local log and sending the state information to the city side of the power distribution area;
and the checking notification module is used for acquiring information whether the alarm returned by the master station side is successfully put in a warehouse or not, and prompting operation and maintenance monitoring personnel after a log is recorded.
Further, the synchronization strategy comprises a synchronized alarm type, a synchronized time period, a synchronized frequency and a synchronized mode;
the synchronization mode comprises increment synchronization and stock synchronization; the increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data according to a manual recruitment time period.
Further, the field mapping relationship represents the corresponding relationship between the alarm fields of each city and the alarm fields of the distribution network master station.
Further, the step of querying alarm data to be synchronized from the database according to the synchronization policy includes:
and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
if the mode is the increment mode, then:
and the system at the urban side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy.
Further, the distribution network 1+ N system includes: 1 distribution network main station and N distribution network local city side systems.
The invention achieves the following beneficial effects: the invention realizes the high-efficiency transmission of a large amount of data under an alarm centralized monitoring mode by deploying each module at the main station side of the distribution network and at a plurality of local cities of the distribution network by using the open source Kafka system, so that operation and maintenance personnel are liberated from expensive manual operation of alarm information processing, the synchronization consistency of alarm data can be improved, the rapid positioning of synchronous alarm is facilitated, and the efficiency and the level of operation operations such as equipment monitoring, accident processing and the like are improved, thereby obtaining the maximum safety benefit.
Drawings
Fig. 1 is a schematic diagram of a distribution network 1+ N system architecture of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The distribution network 1+ N system comprises: the '1' distribution network master stations and the 'N' distribution network city ends. The distribution network master station can directly monitor the power grid data of the city source end, and the invention can realize that a plurality of distribution city sides synchronously alarm data to the distribution network master station side.
Example 1:
as shown in fig. 1, an alarm synchronization device for centralized monitoring of a distribution network 1+ N system includes:
a synchronous maintenance module and an analysis processing module in the distribution network master station, and a source end data extraction module, a verification notification module and an alarm synchronization strategy and mapping module in N distribution network city side systems;
the synchronous maintenance module is used for configuring a synchronous strategy and a field mapping relation of an alarm sent by a local side system to a distribution network main station side and a time period for manually supplementing and calling alarm data at the distribution network main station side of the distribution network 1+ N system;
the synchronization strategy comprises a synchronous alarm type, a synchronous time period (non-legal time range stop synchronous alarm), a synchronous frequency (timing synchronization), a synchronous mode (increment synchronization and stock synchronization) and the like, for example, the distribution network switch displacement alarm data is synchronized every 5 minutes only in a period of 9:00-12:00 of a certain day. The increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data in a historical database according to a manually set recruitment time period; the field mapping relation represents the corresponding relation between the alarm fields of various cities and the alarm fields of the distribution network main station.
The alarm synchronization strategy and mapping module is used for storing a synchronization strategy, a field mapping relation and a manual recruitment alarm data time period which are issued by the distribution network master station side;
the source end data extraction module is used for monitoring topic (theme or channel) of a Kafka system which communicates with the distribution network master station at the city side, and the source end data extraction module can only communicate if the source end data extraction module is the same topic; and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database; this approach may enhance data consistency;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
after alarm data serialization is carried out through Protocol Buffers, the alarm data serialization is sent to the master station side through a Kafka system;
if the mode is the increment mode, then:
the system at the distribution network city side inquires alarm data needing synchronization from a database according to the alarm type and the timing time period in the synchronization strategy, serializes the alarm data through Protocol Buffers, and then sends the data to the main station side through a Kafka system;
and the analysis processing module is used for receiving the serialized alarm data, performing deserialization through Protocol Buffers, analyzing the deserialized data item by item according to a field mapping relation, storing the data into the database at the master station side, and writing the state information of whether the alarm data is successfully submitted to the database into a local log and sending the state information to the city side of the power distribution site.
And the checking notification module is used for acquiring information whether the alarm returned by the master station side is successfully put in a warehouse or not, and prompting operation and maintenance monitoring personnel after a log is recorded, wherein if the information is synchronous, failure information and the like.
Example 2:
an alarm synchronization method for centralized monitoring of a distribution network 1+ N system comprises the following steps:
step 1, configuring an alarm synchronization strategy and a field mapping relation of various city alarms and a time period for artificially supplementing and recruiting alarm data at a distribution network master station side of a distribution network 1+ N system; the method specifically comprises the following steps:
and configuring a local city side system to send the alarm synchronization strategy, the field mapping relation and the manual recruitment alarm data time period to a distribution network main station side, and issuing the alarm synchronization strategy, the field mapping relation and the manual recruitment alarm data time period to each local city side system through an open-source Kafka system.
The synchronization strategy comprises a synchronous alarm type, a synchronous time period (non-legal time range stop synchronous alarm), a synchronous frequency (timing synchronization), a synchronous mode (increment synchronization and stock synchronization) and the like, for example, the distribution network switch displacement alarm data is synchronized every 5 minutes only in a period of 9:00-12:00 of a certain day. The increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data in a historical database according to a manually set recruitment time period; the field mapping relation represents the corresponding relation between the alarm fields of various cities and the alarm fields of the distribution network main station.
Step 2, obtaining and monitoring topic (theme or channel) of a Kafka system which communicates with a distribution network main station at the city side, wherein the communication can be carried out only if the topic is the same; and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database; this approach may enhance data consistency;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
after alarm data serialization is carried out through Protocol Buffers, the alarm data serialization is sent to the master station side through a Kafka system;
if the mode is the increment mode, then:
the system at the distribution network city side inquires alarm data needing synchronization from a database according to the alarm type and the timing time period in the synchronization strategy, serializes the alarm data through Protocol Buffers, and then sends the data to the main station side through a Kafka system;
step 3, the master station side system receives the serialized alarm data, carries out deserialization through Protocol Buffers, stores the deserialized data into the master station side database after analyzing the deserialized data one by one according to the field mapping relation, writes the local log of the state information of whether the alarm data is successfully submitted to the database and sends the state information to the city side of the power distribution area;
and the system at the city side acquires information whether the alarm returned by the master station side is successfully put in storage or not, and prompts operation and maintenance monitoring personnel after the log is recorded.
In summary, the distribution network "1 + N" system uses the above alarm synchronization method, not only realizes the visualization of the alarm synchronization state on the city side, but also uses the open source Kafka system to realize the efficient transmission of a large amount of data in the alarm centralized monitoring mode. In addition, the alarm synchronization master station side realizes the tool configuration of the alarm synchronization strategy and the field mapping relation of the city, and the working efficiency of the power grid operation maintenance personnel can be greatly improved.
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 above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A distribution network 1+ N system centralized monitoring oriented alarm synchronization method is characterized in that: the method comprises the following steps:
alarm synchronization strategies and field mapping relations of various city alarms and artificial recruitment alarm data time periods are configured at the distribution network master station side of the distribution network 1+ N system;
acquiring and monitoring topic of a Kafka system for communicating with a distribution network master station at a city side, inquiring alarm data needing synchronization from a database according to a synchronization strategy if the topic can communicate with the Kafka system, serializing the alarm data through Protocol Buffers, and sending the alarm data to the master station side through the Kafka system;
the master station side system receives the serialized alarm data, carries out deserialization through Protocol Buffers, analyzes the deserialized data item by item according to a field mapping relation, stores the data into a master station side database, and writes the state information of whether the alarm data is successfully submitted to the database into a local log and sends the state information to a power distribution city side;
and the system at the city side acquires information whether the alarm returned by the master station side is successfully put in storage or not, and prompts operation and maintenance monitoring personnel after the log is recorded.
2. The alarm synchronization method for centralized monitoring of the distribution network 1+ N systems, according to claim 1, is characterized in that: the synchronization strategy comprises a synchronous alarm type, a synchronous time period, a synchronous frequency and a synchronous mode;
the synchronization mode comprises increment synchronization and stock synchronization; the increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data according to a manual recruitment time period.
3. The alarm synchronization method for centralized monitoring of the distribution network 1+ N systems, according to claim 1, is characterized in that: the field mapping relation represents the corresponding relation between the alarm fields of various cities and the alarm fields of the distribution network main station.
4. The alarm synchronization method for centralized monitoring of the distribution network 1+ N systems, according to claim 1, is characterized in that: the method for inquiring the alarm data needing synchronization from the database according to the synchronization strategy comprises the following steps:
and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
if the mode is the increment mode, then:
and the system at the urban side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy.
5. The alarm synchronization method for centralized monitoring of the distribution network 1+ N systems, according to claim 1, is characterized in that: the distribution network 1+ N system comprises: 1 distribution network main station and N distribution network local city side systems.
6. The utility model provides a warning synchronizer towards joining in marriage net 1+ N system centralized monitoring, characterized by: the system comprises a synchronous maintenance module and an analysis processing module in a distribution network master station, and source end data extraction modules, a verification notification module and an alarm synchronization strategy and mapping module in N distribution network city side systems;
the synchronous maintenance module is used for configuring a synchronous strategy and a field mapping relation of an alarm sent by a local side system to a distribution network main station side and a time period for manually supplementing and calling alarm data at the distribution network main station side of the distribution network 1+ N system;
the alarm synchronization strategy and mapping module is used for storing a synchronization strategy, a field mapping relation and a manual recruitment alarm data time period which are issued by the distribution network master station side;
the source end data extraction module is used for monitoring topic of a Kafka system which communicates with the distribution network master station at the city side, and if the topic is the same, the source end data extraction module can communicate; inquiring alarm data needing to be synchronized from a database according to a synchronization strategy, serializing the alarm data through protocol buffers, and sending the alarm data to a master station side through a Kafka system;
the analysis processing module is used for receiving the serialized alarm data, performing deserialization through Protocol Buffers, analyzing the deserialized data item by item according to a field mapping relation, storing the data into a database at the master station side, and writing the state information of whether the alarm data is successfully submitted to the database into a local log and sending the state information to the city side of the power distribution area;
and the checking notification module is used for acquiring information whether the alarm returned by the master station side is successfully put in a warehouse or not, and prompting operation and maintenance monitoring personnel after a log is recorded.
7. The alarm synchronization device for centralized monitoring of the distribution network 1+ N systems according to claim 6, wherein: the synchronization strategy comprises a synchronous alarm type, a synchronous time period, a synchronous frequency and a synchronous mode;
the synchronization mode comprises increment synchronization and stock synchronization; the increment synchronization represents timing synchronization alarm data, and the stock synchronization represents recruitment synchronization alarm data according to a manual recruitment time period.
8. The alarm synchronization device for centralized monitoring of the distribution network 1+ N systems according to claim 6, wherein: the field mapping relation represents the corresponding relation between the alarm fields of various cities and the alarm fields of the distribution network main station.
9. The alarm synchronization device for centralized monitoring of the distribution network 1+ N systems according to claim 6, wherein: the method for inquiring the alarm data needing synchronization from the database according to the synchronization strategy comprises the following steps:
and judging a synchronization mode in the received synchronization strategy by the system on the city side, if so, performing:
the distribution network local city side system checks whether alarm sending failure information to the main station exists in the local record, and if the failure information exists, the local city side system inquires alarm data needing synchronization in a failure time period from a database;
if not, the system on the city side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy;
if the mode is the increment mode, then:
and the system at the urban side of the distribution network inquires alarm data needing synchronization from the database according to the alarm type and the timing time period in the synchronization strategy.
10. The alarm synchronization device for centralized monitoring of the distribution network 1+ N systems according to claim 6, wherein: the distribution network 1+ N system comprises: 1 distribution network main station and N distribution network local city side systems.
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| CN114911862A (en) * | 2022-07-18 | 2022-08-16 | 国网江苏省电力有限公司营销服务中心 | System and method for transmitting big data of network operation link of network |
| CN114911862B (en) * | 2022-07-18 | 2022-12-06 | 国网江苏省电力有限公司营销服务中心 | System and method for transmitting big data of network national network operation link |
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