CN105227639A - A kind of transformer station's remote pictures transfer approach and the alarm of a kind of transformer station direct transfer method - Google Patents

Abstract

The invention relates to a remote picture transmission method of a substation and a direct transmission method of a substation alarm. The remote picture transmission method of the substation is as follows: the monitoring host decomposes the substation picture into graphic files and graphic data, the monitoring host first transmits the graphic files to the main station, and after the main station receives the graphic files, the monitoring host then transmits the graphic data to the main station. The substation is equipped with a monitoring host and a graphic gateway. The monitoring host communicates with the graphic gateway, and the graphic gateway communicates with the main station. The alarm direct transmission method is: the graphic gateway receives the alarm information sent by the monitoring host, processes the alarm information and uploads it. to the main station. Both the substation remote screen transmission method and the substation alarm direct transmission method can ensure the effective transmission of information, improve the stability of information in the transmission process, and ensure the integrity of information and the reliability of transmission.

Description

A substation remote screen transmission method and a substation alarm direct transmission method

technical field

The invention relates to a remote picture transmission method of a substation and a direct transmission method of a substation alarm, belonging to the technical field of electric power system automation.

Background technique

With the rapid development of the power system, information technology, network communication technology, and the continuous improvement of the level of automation technology, the status of the grid dispatching automation system in power production and grid dispatching is becoming more and more important, especially with the continuous advancement of the smart grid process, Higher requirements are put forward for the power grid dispatching automation system. Realize the transformation of power grid dispatching from "analytical" to "intelligent", intelligently monitor the power grid, and improve energy utilization.

The "Two Sessions" of the State Grid Corporation issued the company's No. 1 document in 2012 "Opinions on Comprehensively Promoting the Construction of the "Three Sets and Five Major" Systems", promoting the intensive management of human resources and property and "big planning, big construction, big operation, big overhaul, big marketing "System. Among them, according to the requirements of the "Guiding Opinions on Technical Support Construction of Large-scale Operation System", and in accordance with the construction mode of "integration of regulation and control", the dispatching business and the equipment monitoring business are integrated. Among them, the "Work Opinions on Comprehensively Promoting the Construction of a Large-scale Operation System" stipulates that in accordance with the technical principles of "alarm direct transmission, remote browsing, data optimization, and authentication security", through "optimization and control of real-time data" and "direct transmission of equipment alarm information" , "remotely browse the panorama of the substation", "strengthen the security certification of control instructions", and realize the remote monitoring of the substation equipment.

Especially for substations that have been put into operation to realize the integration of regulation and control, how to sort out the regulation and control business needs, optimize the data processing process, and clarify the monitoring data access has become a top priority and cannot be delayed. But at present, there is no more effective method for remote picture transmission of substations in substations that have been put into operation.

Contents of the invention

The purpose of the present invention is to provide a remote picture transmission method of a substation to solve the problem that there is no relatively effective method for remote picture transmission of a substation. The invention also provides a substation alarm direct transmission method.

In order to achieve the above object, the solution of the present invention includes: a remote picture transmission method of a substation, a monitoring host and a graphics gateway machine are arranged inside the substation, the monitoring host is connected to the graphics gateway by communication, and the graphics gateway is connected to the main station by communication; the monitoring host The substation picture is decomposed into graphic files and graphic data; the method of transmitting the picture is: the monitoring host first transmits the graphic file to the main station, and after the main station receives the graphic file, the monitoring host then transmits the graphic data to the main station;

The described step of transmitting graphic file is: graphic gateway machine sends the request instruction of graphic file to monitoring host computer; After monitoring host computer receives the request instruction of graphic file, sends graphic file to graphic gateway machine; Graphical gateway machine will receive graphic file Upload to the main station;

The described step of transmitting graphic data is: after the master station receives the graphic file, the graphic gateway machine sends a request command for graphic data to the monitoring host; after the monitoring host receives the request command for graphic data, it sends the graphic data to the graphic gateway machine; The gateway machine sends the received graphics data to the master station.

The graphics gateway machine includes a remote browsing file access module, a remote browsing data access module, and the monitoring host computer includes a remote data agent module; the graphics gateway machine sends a request instruction of a graphic file to the monitoring host computer through the remote browsing file access module, and the monitoring host computer is controlled by the remote data. The proxy module sends graphics files to the graphics gateway; the graphics gateway sends graphics data request instructions to the monitoring host through the remote browsing data access module, and the monitoring host sends graphics data to the graphics gateway through the remote data agent module.

Before the graphics gateway machine sends the request command of the graphics file to the monitoring host, the transmission of the graphics file also includes the following steps: the graphics gateway machine and the master station carry out message interaction, and the master station first sends an application connection to the graphics gateway machine, and the graphics gateway machine After confirming receipt of the application contact, the master station sends a graphic file request to the graphic gateway machine, and the graphic gateway machine sends a graphic file request instruction to the monitoring host after receiving the graphic file request.

After the master station receives the graphics file, the master station sends a sequence request for the graphics data corresponding to the graphics file to the graphics gateway. After the graphics gateway receives the sequence request for the graphics data, it classifies the graphics data according to the order in which the graphics data appears. The corresponding remote signaling and telemetry are formed, and then the graphic gateway machine sends a graphic data request command to the monitoring host.

The graphics gateway also includes a remote browsing and forwarding module; the graphics gateway loads the DL476 protocol through the remote browsing and forwarding module to interact with the master station; the master uses the No. 39 message to send a graphic file request to the graphics gateway; the graphics gateway uses 43 Send the received graphic file to the master station with the No. message.

The graphics gateway machine will send the received graphics data to the master station at least twice; the first time the data will be sent to the main station; the first time will be sent in the form of No. 2 message full remote signal and No. 3 message full telemetry; Telemetry and message No. 9 change the way of remote signaling.

The monitoring host also includes a G file generation module; the monitoring host converts the substation screen into a standard G file format through the G file generation module, and then decomposes it into graphic files and graphic data, both of which are in standard G file format.

A substation alarm direct transmission method, the substation is equipped with a monitoring host and a graphics gateway machine, the monitoring host communicates with the graphics gateway machine, and the graphics gateway machine communicates with the main station; the alarm direct transmission method is: the graphics gateway machine receives and monitors The alarm information sent by the host, the graphic gateway machine dynamically creates an alarm direct transmission index table after receiving the alarm information sent by the monitoring host, and the graphic gateway machine converts the alarm information into an alarm text in syslog format through the index table.

Before the graphics gateway receives the alarm information sent by the monitoring host, the graphics gateway registers with the server of the monitoring host through the message client. After the registration is successful, the graphics gateway establishes a sending and receiving connection with the monitoring host; Before, the graphic gateway machine imported the whole station database from the monitoring host to upgrade the database, and at the same time added related fields for direct transmission of alarms.

The graphics gateway machine includes an alarm forwarding module, and the converted alarm text is loaded with the DL476 protocol by the alarm forwarding module and sent to the main station through the No. 39 message.

The invention decomposes the picture of the substation into graphic files and graphic data, and sends them to the master station successively, so as to realize the browsing of all the graphics and files of the substation within the jurisdiction. Especially when a fault occurs, dispatching and monitoring personnel can directly browse the complete graphics and real-time data in the substation through the graphics gateway. Moreover, the substation screen is decomposed into graphic files and graphic data through the monitoring host, and the two kinds of information are transmitted successively, which can ensure the reliability of information transmission and prevent the information from being polluted or damaged during the transmission process due to the one-time transmission of two different types of information. Information is lost. In addition, it can also prevent the problem of overloading the system caused by transmitting too much information at one time, further ensuring the reliability and stability of the system.

In the alarm direct transmission method provided by the present invention, a monitoring host and a graphic gateway are provided inside the substation, and the monitoring host communicates with the graphic gateway, and the graphic gateway communicates with the main station, that is to say, the monitoring host in the substation does not directly transmit the alarm The information is transmitted to the master station, but the information is processed through a graphics gateway first, and then the processed alarm information is uploaded to the master station, which is equivalent to the reinforcement processing of the alarm information by the graphics gateway, which can ensure the integrity of the alarm information. Effective transmission prevents the loss of information caused by direct transmission or the interference of other information on the alarm information, improves the stability of the information in the transmission process, and ensures the integrity of the alarm information and the reliability of transmission.

Description of drawings

Figure 1 is a block diagram of the smart substation monitoring system;

Figure 2 is a schematic diagram of the process of alarm direct transmission and remote browsing;

Fig. 3 is the schematic diagram of the direct transmission method of the alarm;

Fig. 4 is a schematic diagram of a method for remote picture transmission of a substation.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Embodiment of the alarm direct transmission method

As shown in Figure 1, the smart substation monitoring system includes a power station end system and a dispatching end system. The power plant end, that is, the substation is equipped with a monitoring host and a graphics gateway machine. The monitoring host is connected to the graphics gateway machine, and the graphics gateway machine is connected to the dispatching end system. , the dispatching end system is the main station. The monitoring host uploads the corresponding information to the master station through the graphic gateway machine.

Alarm direct transmission: Use the single event or comprehensive analysis results of the substation monitoring system as the information source, and generate standard alarm clauses after standardized processing. The screening of alarm information is based on monitoring business requirements and related alarm classification as a standard, and attention should be paid to the integrity of information and the reliability of transmission.

The graphics gateway machine imports the whole station database eng8000 from the monitoring host, uses the database upgrade script to enter the database upgrade, and adds related fields for direct transmission of alarms. On the basis of starting the normal real-time library rtdb and service Pmanager program, the monitoring host adds a new data remote agent program, and the program can be upgraded if necessary. The newly added data remote agent program can transmit information such as real-time data and graphic files to the graphics gateway, as shown in Figure 2.

The graphics gateway machine starts the process gatewagcfg configuration tool, and the configuration process procmonitor needs to load the started process name, alarm direct transmission channel configuration information, and remote browsing channel configuration information.

The graphics gateway machine registers with the monitoring host MSCenter server through the message center MSCenter client. After the registration is successful, a sending and receiving connection is established between the graphics gateway machine and the monitoring host.

The graphics gateway machine automatically receives the alarm information sent by the monitoring host, uses the process procmonitor (process startup loading encapsulation module) to read the real-time library of the monitoring host, automatically generates the alarm direct transmission database, and then dynamically creates the alarmindex (alarm direct transmission index) table, graph The gateway machine converts the alarm information into alarm text in syslog format through the index table; using stdalarmtool (alarm direct transmission database configuration tool) can view and modify the alarm direct transmission database.

Load the encapsulation module through process startup, monitor the IP information of the configured master station channel, and automatically establish an alarm direct transmission link connection.

After the alarm direct transmission link is successfully connected, the converted alarm text is loaded with the DL476 protocol by the alarm application module (also called the alarm forwarding module) and sent to the master station through the No. 39 message.

Fig. 3 is a schematic diagram of an alarm direct transmission method. In the process of direct transmission of alarm communication, set the protocol - information confirmation and error retransmission to ensure that information is not lost, and ensure the integrity of information and the reliability of transmission.

Embodiment of Substation Remote Screen Transmission Method

For the master station, the remote picture transmission method of the substation provided by the present invention is a method for remotely browsing the picture of the substation. Remote browsing refers to: realize the browsing of all substation graphics and files within the jurisdiction, especially when a fault occurs, dispatching and monitoring personnel can directly browse the complete graphics and real-time data in the substation through the graphics gateway.

The graphics gateway machine imports the whole station database eng8000 from the monitoring host, and uses the database upgrade script to enter the database upgrade. On the basis of starting the normal real-time library rtdb and service Pmanager program, the monitoring host adds a new data remote agent program, and the program can be upgraded if necessary. A new data remote agent program is added, which can realize the transmission of real-time data and graphic files to the graphics gateway machine. A new data remote agent program will be added. At the same time, modify the ProcManager.ini file under ics8000/ini to increase the startup of the GatewayProxy process.

Start the process vdfconverter to generate the G file of the whole station graphics. The default path is ics8000/CIM-G.

The graphics gateway machine starts the process gatewagcfg configuration tool, and the configuration process procmonitor needs to load the started process name, alarm direct transmission channel configuration information, and remote browsing channel configuration information.

The monitoring host converts the substation picture into a standard G file format through the G file generation module, and generates a default path. When generating the G file, at the same time generate the G file of various resources supporting the graph, such as the G file of the primitive template, the G file of the picture used by the graph, and so on.

The monitoring host decomposes the substation screen into graphic files and graphic data, both of which are in the standard G file format.

The graphics gateway machine uses the process to start and load the encapsulation module, monitors the configured master station channel IP information, and automatically establishes a remote browsing link connection. After the remote browsing link connection is successful, the master station first requests the substation screen home page G file. After the request is successful, The master station then requests picture files and picture data one by one through the hot spots on the home page.

The graphics gateway machine loads the DL476 protocol through the Gatewayserver (remote browsing forwarding module) process to interact with the master station for message interaction. The master station first sends the application link, and after the graphics gateway machine confirms receipt of the application link, the master station sends a graphic file request to the graphics gateway machine. , the data block uses message No. 39, and after the graphics gateway machine receives the graphics file request, it sends the graphics file request command to the monitoring host through rvfileaccess (remote browsing file access module).

After the monitoring host computer receives the request instruction of the graphics file, the process GatewayProxy (remote data proxy module) sends the graphics file to the graphics gateway machine; after the graphics gateway machine receives the graphics file, it sends the received graphics file through the No. 43 message to the main station.

After the master station receives the graphics file, it parses the graphics file, and then sends a sequence request of graphics data corresponding to the graphics file to the graphics gateway. Sequentially, the graphic data is classified into corresponding remote signaling and telemetry, and the graphic gateway machine then sends a graphic data request command to the monitoring host through the process rvdataaccess (remote browsing data access module).

After the monitoring host receives the request instruction for graphic data, the process GatewayProxy (remote data proxy module) sends the graphic data to the graphic gateway machine. The graphics gateway machine sends the received graphics data to the master station at least twice; the first time the data block is sent in the form of full remote signaling of the No. 2 message and the full telemetry of the No. 3 message; No. 9 message change telemetry and No. 9 message change remote signaling.

If the master station repeatedly calls the graphic file and graphic data, just repeat the above steps. If the substation picture is no longer needed, send a release message, and the substation picture will no longer be obtained. Fig. 4 is a schematic diagram of the remote browsing method.

See Table 1 for the Chinese interpretations corresponding to the English modules in Figures 3 and 4.

Table 1

Specific embodiments have been given above, but the present invention is not limited to the described embodiments. The basic idea of the present invention lies in the above-mentioned basic scheme. For those of ordinary skill in the art, according to the teaching of the present invention, it does not need to spend creative labor to design various deformation models, formulas, and parameters. Changes, modifications, substitutions and variations to the implementation without departing from the principle and spirit of the present invention still fall within the protection scope of the present invention.

Claims (10)

1. transformer station's remote pictures transfer approach, is characterized in that, transformer station inside is provided with monitoring host computer and graph gateway machine, and monitoring host computer communicates to connect described graph gateway machine, graph gateway machine communication connection main website; Transformer station's picture decomposition is become graphic file and graph data by monitoring host computer; The method of described transmission picture is: first monitoring host computer transmits graphic file to main website, and after main website receives graphic file, monitoring host computer transmits graph data to main website again;

The step of described transmission graphic file is: graph gateway machine sends the request instruction of graphic file to monitoring host computer; After monitoring host computer receives the request instruction of graphic file, send graphic file to graph gateway machine; Graph gateway machine delivers to main website by the graphic file received;

The step of described transmission graph data is: after main website receives graphic file, and graph gateway machine sends the request instruction of graph data to monitoring host computer; After monitoring host computer receives the request instruction of graph data, send graph data to graph gateway machine; Graph gateway machine delivers to main website by the graph data received.

2. transformer station according to claim 1 remote pictures transfer approach, is characterized in that, described graph gateway machine comprises remote browse file access module, remote browse Data access module, and monitoring host computer comprises teledata proxy module;

Graph gateway machine sends the request instruction of graphic file to monitoring host computer by remote browse file access module, monitoring host computer sends graphic file by teledata proxy module to graph gateway machine; Graph gateway machine sends the request instruction of graph data to monitoring host computer by remote browse Data access module, monitoring host computer sends graph data by teledata proxy module to graph gateway machine.

3. transformer station according to claim 2 remote pictures transfer approach, it is characterized in that, before graph gateway machine sends the request instruction of graphic file to monitoring host computer, described transmission graphic file is further comprising the steps of: graph gateway machine and main website carry out message interaction, first main website sends application contacts to graph gateway machine, after graph gateway machine acknowledges receipt of application contacts, main website sends graphic file request to graph gateway machine, after graph gateway machine receives described graphic file request, send the request instruction of graphic file to monitoring host computer.

4. the transformer station's remote pictures transfer approach according to Claims 2 or 3, it is characterized in that, after main website receives graphic file, main website sends the sequence of requests with graphic file graph of a correspondence data to graph gateway machine, after graph gateway machine receives the sequence of requests of graph data, according to the sequencing that graph data occurs, graph data is categorized into corresponding remote signalling, remote measurement, then graph gateway machine sends the request instruction of graph data to monitoring host computer.

5. transformer station according to claim 4 remote pictures transfer approach, it is characterized in that, graph gateway machine also comprises remote browse forwarding module; Graph gateway machine loads DL476 agreement by remote browse forwarding module and main website carries out message interaction; Main website uses No. 39 messages to send graphic file request to graph gateway machine; Graph gateway machine uses No. 43 messages to deliver to main website by the graphic file received.

6. transformer station according to claim 5 remote pictures transfer approach, is characterized in that, the graph data received divides at least twice by graph gateway machine delivers to main website; Send the mode with No. 2 full remote signalling of message and No. 3 full remote measurements of message first time; The mode with No. 8 message change remote measurements and No. 9 message change remote signalling is sent afterwards.

7. transformer station according to claim 6 remote pictures transfer approach, it is characterized in that, monitoring host computer also comprises G file generating module; Transformer station's picture is converted to the G file format of standard by monitoring host computer by G file generating module, be then decomposed into graphic file and graph data, and graphic file and graph data are the G file format of standard.

8. transformer station's alarm direct transfers a method, and it is characterized in that, transformer station inside is provided with monitoring host computer and graph gateway machine, and monitoring host computer communicates to connect described graph gateway machine, graph gateway machine communication connection main website; The described alarm method of direct transferring is: graph gateway machine receives the warning information that monitoring host computer sends, after described graph gateway machine receives the warning information of monitoring host computer transmission, dynamic creation alarm direct transfers concordance list, and warning information is converted to the alarm text of syslog form by graph gateway machine by described concordance list.

9. transformer station according to claim 8 alarm direct transfers method, it is characterized in that, receive the warning information of monitoring host computer transmission at graph gateway machine before, graph gateway machine is registered to the service end of monitoring host computer by information client side, after succeeding in registration, graph gateway machine and monitoring host computer are set up to receive and dispatch and are connected; Before graph gateway machine is registered to monitoring host computer, graph gateway machine imports from monitoring host computer and entirely to stand database, carries out database upgrade, increases alarm simultaneously and to direct transfer relevant field.

10. transformer station according to claim 9 alarm direct transfers method, and it is characterized in that, graph gateway machine comprises alarm forwarding module, and the alarm text after conversion loads DL476 agreement by No. 39 message up sending to main website by described alarm forwarding module.