CN115842315A - Method and system for testing information-protecting master station - Google Patents
Method and system for testing information-protecting master station Download PDFInfo
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Abstract
The invention belongs to the field of relay protection and information protection master station testing of an electric power system, and particularly relates to a method and a system for testing an information protection master station. The simulation substation only directly generates fault information data generated by protection after a fault, so that a substation simulation program is extremely simplified, and more software and hardware resources are not required to be occupied, so that the simulation substation is not limited by the hardware resources and the substation program when a large number of substations are simulated to access the information-protecting main station; the simulation substations operate in the form of processes and threads, all the simulation substations can operate in one server, the simulation of any number of information protection substations can be realized by using a small amount of hardware resources, and meanwhile, the test cost is saved; the threads are deployed in different processes, so that the slow running caused by excessive threads in the same process can be avoided, and the overall testing efficiency is ensured. The invention can also automatically collect and process fault information data, and display the test results in a human-computer interface in a classified manner, so that the test results are more visual.
Description
Technical Field
The invention belongs to the field of relay protection and information protection master station testing of an electric power system, and particularly relates to a method and a system for testing an information protection master station.
Background
The relay protection fault information protection main station is a short protection main station, is installed in a power system dispatching control center or region, communicates with devices such as a relay protection substation and a fault recorder, and completes a hardware and software system for processing, analyzing and releasing fault information. The system has the advantages that the functions of protection events, alarm, real-time release of switching values, fixed value, analog quantity, calling function of the pressing plate, display analysis of recorded waves, quick fault filing and the like are beneficial to quick acquisition of power grid fault conditions, relay protection action behaviors and system recovery conditions by power grid dispatching analysis personnel after the faults occur, so that quick analysis and real-time countermeasure of the power grid faults are realized, and dispatching operation management level is improved. The relay protection fault information substation is installed at a power system plant end and is communicated with a relay protection device, a fault recorder, an ampere device, a measurement and control device, a traveling wave distance measurement device and the like to complete protocol conversion, information acquisition and storage and complete information interaction with a relay protection fault information protection main station.
In recent years, natural disasters such as flood, storm, earthquake and the like occur frequently in various regions, and the power system is often accompanied by the conditions such as power facility damage and the like in disaster occurrence regions, so that the relay protection devices at the plant terminals of the power system in the regions are intensively and frequently tripped in a short time. When fault information of a plurality of plant stations in the whole area is sent to the information-protecting main station in a short time, the information-protecting main station has the problems of slow information distribution, loss, failure in acquiring recorded waves and the like, and the problems of incapability of calling information, blocking and the like of the information-protecting main station in a serious situation. For such possible situations, the information-guaranteeing master station system can only perform function analysis and optimization afterwards, but cannot perform detection before being put into use, or can perform detection only on one side. The problems weaken the effect of the information-protecting main station on power grid fault analysis, and even release one-sided or wrong information to influence the judgment of users. Therefore, the capability of the information-guaranteeing main station for processing faults needs to be tested, so that the running condition of the information-guaranteeing main station facing the use scenes is accurately evaluated, an optimization basis is provided for developers, and a corresponding acceptance standard is set according to the optimization basis, so that a more reliable information-guaranteeing main station system is provided for users.
For the detection of the capability of the information-guaranteeing main station for processing the fault, the actual fault working condition needs to be simulated, and in the prior art, the concurrent test of internal data is usually carried out only on an information bus of the information-guaranteeing main station or a data processing center or the test is directly carried out by using a substation; when the substation is directly used for simulating the working condition that the fault data of the substation are transmitted to the information-protecting main station, due to the limitation of hardware resources and substation programs, the condition that a large number of substations are accessed to the information-protecting main station cannot be simulated, and therefore the capability of the information-protecting main station for processing the concurrent fault information is difficult to effectively test.
Disclosure of Invention
The invention aims to provide a method and a system for testing a message-protecting main station, which are used for solving the problem that the capability of the message-protecting main station for processing concurrent fault information is difficult to effectively test in the prior art because the limitation of hardware resources and substation programs cannot simulate the condition that a large number of substations are accessed to the message-protecting main station.
In order to achieve the purpose, the invention provides a method for testing a credit protection master station, which comprises the following steps:
1) The simulation substation generates fault information data and converts the fault information data into a protocol message to be sent to the information protection main station; the simulation substation only directly generates fault information data which is finally generated after fault protection;
2) The data acquisition module is used for acquiring data, transmitting the data transmitted by each link of the information protection master station to the data processing module, and the data processing module is used for dividing the data into different data types; the data transmitted by each link of the information protection master station comprises fault information data corresponding to the protocol message;
3) And the data processing module is used for counting the transmission result of the fault information data from generation to distribution among the ring sections as a test result according to the classification result and the content of each type of data.
The beneficial effects of the above technical scheme are: the simulation substation does not simulate the process from fault occurrence to fault protection completion, only directly generates the finally generated fault information data in the process, so that the substation simulation program is extremely simplified, and a fault information substation system with a certain order of magnitude can be simulated without occupying more software and hardware resources, so that the simulation of the condition that a large number of substations are accessed to the information protection main station is not limited by the hardware resources and the substation program.
Further, the simulation substation operates in a process and thread manner, and the specific operation mode is as follows: and respectively deploying a plurality of threads in different processes, wherein each thread simulates one simulation substation so as to generate and send corresponding fault information data.
The beneficial effects of the above technical scheme are: the simulation substations run in the form of processes and threads, all the simulation substations can run on one server and can be grouped and freely arranged on a plurality of servers, compared with the arrangement that only one simulation substation can be arranged on one existing server, the hardware condition required by the simulation substations is further reduced, therefore, a small amount of hardware resources are used for realizing fault information data of any one protection substation in a specific situation and sending the fault information data to the protection main station, the problem that a plurality of substations cannot be provided for fault information data concurrent simulation is solved, and the test cost is saved; the threads are grouped and deployed in different processes, so that the situations of insufficient computing power and slow running caused by excessive threads in the same process can be avoided, and the simulation effect and the overall test efficiency of the simulation substation are ensured.
Furthermore, the data transmitted by each link of the information-protecting master station needs to be accompanied by a corresponding time scale, and the mode of counting the transmission results between each link from generation to release of the fault information data is as follows:
acquiring keywords and corresponding contents of each piece of data transmitted by each link of the information-protecting main station according to the keywords, the corresponding contents and the classification result of each piece of data of each type of data; and matching according to keywords of each piece of data, comparing and analyzing corresponding contents of data transmitted by each link from the acquisition of the protocol message to the issuing of the fault information data by the information protection master station, and counting the missing number and delay time of the fault information data between each link from the generation to the issuing of the fault information data to obtain the transmission result of the fault information data between each link from the generation to the issuing.
Further, the different data types comprise remote signaling data, wave recording brief report data and message data generated by wave recording downloading of a signal protection master station system; the keywords and corresponding content of each type of data are specifically:
the keywords of the remote signaling data are formed by combining function types and information sequence numbers, and the data content is DPI data, substation sending time and data receiving time; the keywords of the wave recording brief report data are composed of brief report identification and wave recording file name, and the data content is wave recording name, substation sending time and data receiving time; the key word of the message data generated by the wave recording downloading of the information protection main station system is a wave recording file name, and the data content is downloading command time and data transmission ending time.
Further, after the transmission result is obtained, the fault information data volume and the missing number corresponding to each delay time are displayed through a man-machine interface.
The beneficial effects of the above technical scheme are: the test results are classified and displayed on a human-computer interface, so that the test results are more visual.
Furthermore, the data transmitted by each link of the information protection master station also comprises information data which can be identified by the information protection master station and data displayed by a human-computer interface.
Further, the mode of converting the fault information data generated by the simulation substation into protocol messages and sending the protocol messages to the information protection main station is as follows:
configuring the state of fault information data generated by the simulation substation to be uploaded into a transmission mode, configuring the fault information data into the transmission mode, simultaneously starting to prepare a corresponding protocol message, adding the protocol message into a transmission queue after the preparation is finished, transmitting the message according to set transmission time, and updating the fault time and the substation receiving time of the protocol message during transmission so as to obtain the transmission result of the fault information data between corresponding rings.
The beneficial effects of the above technical scheme are: when too much fault information data is simulated, certain time is needed for converting the fault information data into the message, and if the message is converted during sending, the sending time is uncertain, so that the message is extracted and prepared for sending, and the sending time can be accurately controlled.
Further, the fault information data comprises protection action, alarm, switching value displacement information and a wave recording brief report.
Further, the simulation of all the simulation substations adopts the same seed station protection information model.
The beneficial effects of the above technical scheme are: the simulation of each simulation substation does not need to be configured with a plurality of protection information models, thereby further simplifying the simulation program used by the simulation substation.
The invention also provides a test system of the information-protecting main station, which comprises the simulation substation, the data acquisition module and the data processing module, and further comprises a processor for executing the program instructions so as to realize the test method of the information-protecting main station.
The test system of the information-protecting main station can achieve the same beneficial effects as the test method of the information-protecting main station.
Drawings
FIG. 1 is a block diagram of a test system in an embodiment of a test system of a trust master of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The embodiment of the test method of the information protection master station comprises the following steps:
the embodiment provides a technical scheme of a test method of a trust-guaranteeing master station, which comprises the following steps:
1) The simulation substation generates fault information data and converts the fault information data into a protocol message to be sent to the information protection main station; the simulation substation only directly generates fault information data which is finally generated after fault protection;
in this embodiment, the simulation substation does not simulate the process from the occurrence of a fault to the protection, only directly generates the fault information data finally generated in the process, which is equivalent to using a model of the information protection substation, and directly generates the fault information data according to the model configuration and directly transmits the fault information data to the master station, so that the simulation program of the substation is extremely simplified, and a fault information substation system of a certain order of magnitude can be simulated without occupying more software and hardware resources, thereby ensuring that the simulation of the condition that a large number of substations access the information protection master station is not limited by the hardware resources and the substation programs.
The simulation substation runs in the form of processes and threads, and the specific running mode is as follows: and respectively deploying a plurality of threads in different processes, wherein each thread simulates one simulation substation so as to generate and send corresponding fault information data. Because the simulation substations are simulated by threads, all the simulation substations can run on one server and can be grouped and freely arranged on a plurality of servers, compared with the arrangement that only one simulation substation can be arranged on one existing server, the hardware condition required by the simulation substations is further reduced, and therefore, a small amount of hardware resources are used for realizing fault information data of any number of the protection substations in a specific situation and sending the fault information data to the protection master station, the problem that a plurality of substations cannot be provided for fault information data concurrent simulation is solved, and the test cost is saved; the industrial personal computer used by the simulation substation running in the form of process and thread has lower requirements on CPU, RAM, ROM and network bandwidth, and can simulate hundreds of substations by using a higher-performance server; the threads are deployed in different processes in groups, so that the situations of insufficient computing power and slow running caused by excessive threads in the same process can be avoided, and the simulation effect and the overall test efficiency of the simulation substation are ensured.
In this embodiment, the substation fault information point table data and the substation simulation system operation parameters may be configured through the configuration management module, where the configured parameters include the number of simulation substations, the number of simulation program start processes, the number of threads, the IP of a simulation source, and specific protection event information that can be selectively sent by each set of protection, event return time, whether to reclose, protection action behavior after reclosing, protection action time corresponding to the protection action behavior after reclosing, and protection event sending time on each substation; because the test only needs to simulate the scene that a plurality of substations send fault information to the main station, the substation protection information configuration can only select a substation model in a typical substation, namely all simulation substations can adopt the protection information model of the same substation, thereby further simplifying the simulation program used by the simulation substations.
The mode of converting fault information data generated by the simulation substation into protocol messages and sending the protocol messages to the information protection main station is as follows: configuring the state of fault information data generated by the simulation substation to be uploaded into transmission, configuring the fault information data into transmission, starting to prepare a corresponding protocol message at the same time, adding the protocol message into a transmission queue after the preparation is finished, transmitting the message according to set transmission time, and updating the fault time and the substation receiving time of the protocol message during transmission. In order to avoid the problem that certain time is needed for converting fault information data into a message when too much fault information data is simulated, if the sending time is uncertain when the message is converted during sending, the message is extracted and prepared for sending, and the sending time can be accurately controlled. The fault time and the substation receiving time of the protocol message belong to the fixed content of the message, the fault time of the protocol message corresponds to the generation time of fault information data, the substation receiving time corresponds to the transmission time of the fault information data to the substation, and the time used for the two links from the generation of the fault information data to the substation receiving and the transmission of the substation to the main station is obtained according to the time difference between the fault time of the protocol message and the substation receiving time and the time difference between the message receiving time recorded by the main station and the substation receiving time.
After the fault information message is prepared, each simulation substation thread starts to send the fault information message in sequence according to the set sending time; under actual conditions, due to the difference between the system principle and hardware performance of fault information substations of different models, although a plurality of protection fault information events are actively sent up when a power grid fault occurs, some substations cannot simultaneously complete processing in a very short time and press converted communication messages with a main station into a sending buffer area, so that the sending time is lagged; to simulate such a situation, the present embodiment has no special limitation on the transmission time of the protocol messages of each substation, and freely configures the number of fault messages to be transmitted at a time and the transmission interval.
2) Data acquisition is carried out through a data acquisition module, data transmitted by each link of the information protection master station are transmitted to a data processing module, and the data are divided into different data types through the data processing module; the data transmitted by each link of the information protection master station comprises fault information data corresponding to the protocol message;
the fault information data collected by the data collection module of the test system only comprises input and output data of each key link of the information protection master station system, wherein the input and output data comprise protocol message transmission data. According to the strategy, the data input interface provided by the data acquisition module is used for acquiring the fault information data of the main station in each link of the information main station; due to the problem of the internal data format of the master station, the acquired data can be original data of the master station, or the unique identification of the fault information in the master station is added with displacement information, and the wave recording brief report only needs to acquire the name of a wave recording file; the various types of master station fault information data need to be accompanied by the generation time of the fault information data.
The data transmitted by each link of the information protection master station is required to be attached with a corresponding time mark, and the mode of counting the transmission result between each link from generation to release of the fault information data is as follows: acquiring keywords and corresponding contents of each piece of data transmitted by each link of the information-protecting main station according to the keywords, the corresponding contents and the classification result of each piece of data of each type of data; and matching according to keywords of each piece of data, comparing and analyzing corresponding contents of data transmitted by each link from the acquisition of the protocol message to the issuing of the fault information data by the information protection master station, and counting the missing number and delay time of the fault information data between each link from the generation to the issuing of the fault information data to obtain the transmission result of the fault information data between each link from the generation to the issuing.
The data processing module classifies original message data in a layering way according to substations, devices and fault information data types, and as one substation comprises a plurality of devices and one device comprises a plurality of types of fault information data, the fault information data (such as actions) of one fault information data type is set as a minimum classification unit; therefore, the sub-stations, the devices and the fault information data types classify and count the fault information data from different specifications, for example, which fault information data type a certain group of fault information data belongs to, which device belongs to and which sub-station belongs to; in this embodiment, the fault information data corresponding to the protocol message includes remote signaling data (protective action, alarm, switching value displacement information) and a wave recording brief report, and when classifying the fault information data, different data types include the remote signaling data, the wave recording brief report data, and message data generated by wave recording download of the protection master station system.
3) And the data processing module is used for counting the transmission result of the fault information data from generation to release among the ring sections as a test result according to the classification result and the specific content of each type of data.
When fault information data are classified, the keywords and corresponding contents of each type of data are specifically as follows: the keywords of the remote signaling data are formed by combining function types and information sequence numbers, and the data content is DPI data, substation sending time and data receiving time; the keywords of the recording brief report data comprise brief report identification and recording file names, and the data content comprises recording names, substation sending time and data receiving time; the key word of the message data generated by the wave recording downloading of the information protection main station system is a wave recording file name, and the data content is downloading command time and data transmission ending time.
Before data acquisition is carried out through the data acquisition module, data transmitted between the main station and the substation simulation system is acquired through the network message acquisition module, protocol messages are filtered out, and receiving time of each message is acquired, wherein the receiving time of each message refers to the time when the main station receives the message in the transmission process of TCP.
The data processing module carries out one-to-one comparison analysis on the acquired data of each link of the main station, matches the data according to keywords of each piece of data, calculates fault information data corresponding to protocol messages of each link from generation to release and time difference among the links, acquires the number of missing and delay time of the fault information data corresponding to the protocol messages from the acquisition of the messages to the release of the main station and the fault information data among the links, and calculates the time difference from the transmission of a wave recording brief report to the main station to the completion of the wave recording download of the information of the wave recording download; and after the data are acquired, the data quantity and the missing number of the fault information of each delay time are respectively displayed in the forms of thermodynamic diagrams and percentages as test results according to the angles of the total data, the sending time, the sub-stations and the like, for example, the transmission results between all the links from generation to distribution are respectively drawn and connected in a scatter diagram on a human-computer interface by taking the time difference and the data item number as horizontal and vertical axes to be displayed as the test results, the numerical value and the percentage corresponding to each time difference are displayed, the thermodynamic diagrams are used for assisting the display, and the standard deviation is calculated according to the quantity of each millisecond.
In summary, the data transmitted by each link of the information protection master station further comprises information data which can be identified by the information protection master station and is displayed by the human-computer interface, and the information data and the human-computer interface are respectively used for transmitting the information in the master station and displaying the test result from the master station to the human-computer interface.
The embodiment of the test system of the information protection main station comprises the following steps:
the embodiment provides a technical scheme of a test system of a communication protection master station, and referring to fig. 1, a master station layer of the communication protection master station only shows a typical master station module, which comprises a collector, an information center and a database; the collector or called as a main station is arranged in front and is a direct communication module of the main station system and the substation; the message center is a message transfer module of each module of the master station system, and can be a message bus or other message receiving and distributing middleware; the database characterization master station system converts the messages collected by the collector into mature data which can be stored and displayed, and the mature data is fault information data in a final form of the master station system.
The test system in this embodiment includes a simulation substation, a data acquisition module, and a data processing module, and further includes a processor for executing program instructions to implement the test method for the trust-preserving master station in the test embodiment of the trust-preserving master station. Since the specific operation process and operation principle of the test system have been described in detail above, it is not described herein again.
The invention has the following characteristics:
1) The simulation substation does not simulate the process from fault occurrence to protection, only directly generates the final fault information data generated in the process, is equivalent to using a model of the information protection substation, directly generates the fault information data according to model configuration, and directly sends the fault information data to the main station, so that the substation simulation program is extremely simplified, and a fault information substation system with a certain order of magnitude can be simulated without occupying more software and hardware resources, thereby ensuring that the simulation of the condition that a large number of substations are accessed to the information protection main station is not limited by the hardware resources and the substation programs.
2) The simulation substations operate in the form of processes and threads, all the simulation substations can operate on one server and can be grouped and freely arranged on a plurality of servers, and compared with the existing arrangement that only one simulation substation can be arranged on one server, the hardware condition required by the simulation substations is further reduced, so that a small amount of hardware resources are used for realizing fault information data of any one information protection substation under a specific condition and sending the fault information data to the information protection master station, the problem that a plurality of substations cannot be provided for fault information data concurrent simulation is solved, and the test cost is saved; the threads are deployed in different processes in groups, so that the situations of insufficient computing power and slow running caused by excessive threads in the same process can be avoided, and the simulation effect and the overall test efficiency of the simulation substation are ensured.
3) All the simulation substations can adopt the protection information model of the same seed station, so that the simulation program used by the simulation substations is further simplified;
4) And the fault information data are automatically collected and processed, and the test results are classified and displayed on a human-computer interface, so that the test results are more visual.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.
Claims (10)
1. A test method of a trust-guaranteeing master station is characterized by comprising the following steps:
1) The simulation substation generates fault information data and converts the fault information data into a protocol message to be sent to the information protection main station; the simulation substation only directly generates fault information data which is finally generated after fault protection;
2) The data acquisition module is used for acquiring data, transmitting the data transmitted by each link of the information protection master station to the data processing module, and the data processing module is used for dividing the data into different data types; the data transmitted by each link of the information protection master station comprises fault information data corresponding to the protocol message;
3) And the data processing module is used for counting the transmission result of the fault information data from generation to distribution among the ring sections as a test result according to the classification result and the content of each type of data.
2. The method for testing the information-guaranteeing master station according to claim 1, wherein the simulation substation operates in a process and thread manner, and the specific operation manner is as follows: and respectively deploying a plurality of threads in different processes, wherein each thread simulates one simulation substation so as to generate and send corresponding fault information data.
3. The method for testing the information-protecting master station as claimed in claim 1, wherein the data transmitted by each link of the information-protecting master station is accompanied by a corresponding time scale, and the manner of counting the transmission results between each link from generation to distribution of the fault information data is as follows:
acquiring keywords and corresponding contents of each piece of data transmitted by each link of the information-protecting main station according to the keywords, corresponding contents and classification results of each piece of data of each type of data; and matching according to keywords of each piece of data, comparing and analyzing corresponding contents of data transmitted by each link from the acquisition of the protocol message to the issuing of the fault information data by the information protection master station, and counting the missing number and delay time of the fault information data between each link from the generation to the issuing of the fault information data to obtain the transmission result of the fault information data between each link from the generation to the issuing.
4. The method for testing a signal protection master station according to claim 1, wherein the different data types include remote signaling data, wave recording brief report data and message data generated by wave recording downloading of a signal protection master station system; the keywords and corresponding content of each type of data are specifically:
the keywords of the remote signaling data are formed by combining function types and information sequence numbers, and the data content is DPI data, substation sending time and data receiving time; the keywords of the wave recording brief report data are composed of brief report identification and wave recording file name, and the data content is wave recording name, substation sending time and data receiving time; the key word of the message data generated by the wave recording downloading of the information protection main station system is a wave recording file name, and the data content is downloading command time and data transmission ending time.
5. The method for testing the information-guaranteeing main station according to claim 4, wherein after the transmission result is obtained, the fault information data volume and the missing number corresponding to each delay time are displayed through a human-computer interface.
6. The method for testing the information-protecting main station as claimed in claim 5, wherein the data transmitted by each link of the information-protecting main station further comprises the step of converting the protocol message into information data which can be recognized internally and data displayed by a human-computer interface by the information-protecting main station.
7. The method for testing the information-protecting master station according to any one of claims 1 to 6, wherein the manner of converting the fault information data generated by the simulation substation into a protocol message and sending the protocol message to the information-protecting master station is as follows:
configuring the state of fault information data generated by the simulation substation to be uploaded into a transmission mode, configuring the fault information data into the transmission mode, simultaneously starting to prepare a corresponding protocol message, adding the protocol message into a transmission queue after the preparation is finished, transmitting the message according to set transmission time, and updating the fault time and the substation receiving time of the protocol message during transmission so as to obtain the transmission result of the fault information data between corresponding rings.
8. The method for testing a message protection master station according to any one of claims 1 to 6, wherein the fault information data includes protection actions, alarms, switch amount displacement information and wave recording bulletins.
9. The method for testing a trust-preserving master station of any one of claims 1 to 6, wherein the simulation of all the simulation substations uses the same seed station protection information model.
10. A test system of a trust-preserving main station, comprising a simulation substation, a data acquisition module and a data processing module, and further comprising a processor for executing program instructions to implement the test method of the trust-preserving main station as claimed in any one of claims 1 to 9.
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