CN110632410A - An intelligent debugging system for intelligent substation automation equipment and its application method - Google Patents

Abstract

The invention discloses an intelligent debugging system for automation equipment of an intelligent substation and an application method thereof. The intelligent debugging system for an automation equipment of an intelligent substation includes intelligent debugging equipment and an intelligent acceptance signal simulation device. The station control layer network, the remote machine connection of the station control layer of the smart substation, and the intelligent acceptance signal simulation device are respectively connected with the bay layer network and the process layer network of the smart substation; Automatic closed loop test. The present invention can utilize vertical cross-layer network data analysis to realize the automatic closed-loop test of the whole station remote signaling, telemetry and remote control preset test, and can be used to realize the comprehensive and automatic comprehensive automatic test of each functional index and performance index of the interval layer equipment and station control layer equipment. Test in order to intuitively and accurately locate the cause and location of the fault, improve the acceptance quality and efficiency of the intelligent station, and ensure the reliable operation of the intelligent station.

Description

An intelligent debugging system for intelligent substation automation equipment and its application method

technical field

The invention belongs to the technical field of intelligent debugging of substation automation equipment, and specifically relates to an intelligent debugging system of intelligent substation automation equipment and an application method thereof, which can be used for automatic closed-loop testing of intelligent substation telemetry, remote signaling, remote control and other tests.

Background technique

The acceptance test of the intelligent substation automation system lacks professional equipment and means. The acceptance process needs to involve process level equipment, bay level equipment, station control level equipment and telecontrol master station, as well as process level communication, station control level Therefore, in the acceptance test of the intelligent substation automation system, the requirements for the professional skills of the acceptance personnel are very high and the scope is very wide. Simulate the source output of telemetry and remote signaling. At the same time, it is necessary to check whether the protection, measurement and control equipment at the bay layer correctly receive and process the SV and GOOSE signals output by the equipment at the process layer, and convert them into corresponding DL/T860.8 protocol data and station control. layer device and/or telecontrol device for data interaction, and also check whether the telecontrol device correctly converts the DL/T860.8 protocol data into the corresponding 101 or 104 protocol to interact with the telecontrol master station, in this series of processes In the absence of professional test equipment, testers can only output through traditional standard source equipment or protection test equipment, and then when abnormalities are found, manual packet analysis and diagnosis are performed through general-purpose software such as WireShark, which requires testers The structure, composition, mechanism, and process of various messages are very clear and well understood, and test analysis can be carried out. However, it is difficult for ordinary testers to fully understand all protocols and messages. Therefore, there is currently a lack of In the case of professional testing tools, on-site acceptance has extremely high requirements for testers in terms of automation communication protocols. At the same time, even professional testers have very low efficiency in the manual analysis process, which often leads to smart substation automation. The acceptance test period of the system has been delayed again and again, and it is difficult to complete the quality and quantity as scheduled.

Contents of the invention

The technical problem to be solved by the present invention: Aiming at the above-mentioned problems of the prior art, an intelligent debugging system and its application method for the automation equipment of the intelligent substation are provided. The present invention can realize the whole station remote signaling, telemetry, The automatic closed-loop test of the remote control preset test can be used to realize the comprehensive automatic test of each functional index and performance index of the bay layer equipment and station control layer equipment, so as to intuitively and accurately locate the cause and location of the fault, and improve the acceptance of the intelligent station Quality and efficiency ensure the reliable operation of intelligent stations.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

An intelligent debugging system for intelligent substation automation equipment, including intelligent debugging equipment and an intelligent acceptance signal simulation device. Two-way data connection, the intelligent acceptance signal simulation device is respectively connected to the bay layer network and the process layer network of the intelligent substation for two-way data connection.

In addition, the present invention also provides an application method of the intelligent debugging system of the aforementioned intelligent substation automation equipment, including the steps of automatic closed-loop testing applied to the telemetry test, and the detailed steps include:

A1) Draw up a telemetry test plan, initialize and set the intelligent acceptance signal simulation device to continuously output invalid signal time T0 and valid signal time T1; select a test point from the telemetry test plan as the current test point;

A2) For the current test point, the intelligent acceptance signal simulation device outputs an invalid signal by default. After delaying the invalid signal time T0, the intelligent acceptance signal simulation device is controlled to send SV messages to the process layer network of the smart substation as test messages and continue to output Valid signal time T1;

A3) The intelligent measurement and control device located at the bay layer of the smart substation collects SV messages and performs calculation and processing, and converts the data into MMS manufacturing messages of the 61850-8 protocol and transmits them to the station control layer network;

A4) The intelligent debugging device analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding MMXU node, and compares the data in the MMXU node with the telemetry data in the SV message Analysis, if the two match, it is determined that the test is qualified, and jump to step A5); if the two do not match, it is determined that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T, then jump to step A2), otherwise skip Go to step A8);

A5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol to the remote machine of the station control layer, and the remote machine converts the MMS manufacturing message of the 61850-8 protocol into telecontrol protocol data;

A6) The telemotor sends the telecontrol protocol data to the telecontrol station simulation module of the intelligent debugging device;

A7) The intelligent debugging equipment compares and analyzes the telemetry data in the telecontrol protocol data received by the telecontrol station emulation module and the telemetry data in the SV message. If the two match, it is determined that the test is qualified, and jump to step A8); If the two do not match, it is determined that the test is unqualified. If the number of repeated tests is less than the maximum number of repeated tests T, then jump to step A5), otherwise jump to step A8);

A8) Record the unqualified information of the test, the intelligent debugging equipment controls the intelligent acceptance signal simulation device to stop outputting, and jump to step A9 after waiting for the invalid signal time T0);

A9) The intelligent debugging device judges whether the telemetry test plan still has the next test point to be tested. If there is still the next test point to be tested, select the next test point as the current test point and then jump to step A2); otherwise End the test.

Preferably, in step A1), the initialization time of the invalid signal time T0 is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds.

Preferably, the maximum number of repeated tests T is 3.

Preferably, the present invention also includes the steps of automatic closed-loop testing applied to the remote signaling test, and the detailed steps include:

B1) Draw up a remote signaling test plan, initialize and set the intelligent acceptance signal simulation device to continuously output invalid signal time T0 and valid signal time T1; select a test point from the remote signal test plan as the current test point;

B2) For the current test point, the intelligent acceptance signal simulation device outputs an invalid signal by default. After delaying the invalid signal time T0, the intelligent acceptance signal simulation device is controlled to send a GOOSE message to the bay layer network of the smart substation as a test message and continue to output Valid signal time T1;

B3) The intelligent measurement and control device located at the interval layer of the smart substation collects GOOSE messages and performs calculation and processing, and converts the data into MMS manufacturing messages of the 61850-8 protocol and transmits them to the station control layer network;

B4) The intelligent debugging device analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding GGIO node, and compares the data in the GGIO node with the remote signaling data in the GOOSE message For the analysis, if the two match, it is judged that the test is qualified, and jump to step B5); if the two do not match, it is judged that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T, then jump to step B2), otherwise Jump to step B8);

B5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol to the remote machine of the station control layer, and the remote machine converts the MMS manufacturing message of the 61850-8 protocol into telecontrol protocol data;

B6) The telemotor sends the telecontrol protocol data to the telecontrol station simulation module of the intelligent debugging equipment;

B7) The intelligent debugging equipment compares and analyzes the remote signaling data in the telecontrol protocol data received by the telecontrol station simulation module and the remote signaling data in the SV message. If the two match, it is determined that the test is qualified, and jump to step B8 ); if the two do not match, it is judged that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T, then jump to step B5); otherwise, jump to step B8);

B8) Record the unqualified information of the test, the intelligent debugging equipment controls the intelligent acceptance signal simulation device to stop outputting, and jump to step B9 after waiting for the invalid signal time T0);

B9) The intelligent debugging device judges whether there is still the next test point to be tested in the remote signaling test plan. If there is still the next test point to be tested, select the next test point as the current test point and then jump to step B2); Otherwise end the test.

Preferably, in step B1), the initialization time of the invalid signal time T0 is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds.

Preferably, the maximum number of repeated tests T is 3.

Preferably, the present invention also includes the step of being applied to the automatic closed-loop test of the remote control test, and the detailed steps include:

C1) Draw up a remote control test plan, initialize and set the remote station simulation module of the intelligent debugging equipment to continuously output invalid signal time T0 and valid signal time T1; select a test point from the remote control test plan as the current test point;

C2) For the current test point, the remote station simulation module of the intelligent debugging equipment outputs an invalid signal by default, and after delaying the invalid signal time T0, preset the current test point single-point selection and perform the opening or closing operation and delay The effective signal time is T1, and the remote control message of the telecontrol protocol is sent to the telemotor at the station control layer;

C3) The telemotor located at the station control layer converts the telecontrol protocol telecontrol message into the MMS manufacturing message of the 61850-8 protocol and transmits it to the station control layer network;

C4) The intelligent debugging equipment analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding CSIW node, and compares the data in the CSIW node with the current test point in the remote station simulation module The comparison and analysis of the remote control status line, if the two match, it is judged that the test is qualified, and the jump is executed to step C5); Step C2), otherwise skip to step C8);

C5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol to the intelligent measurement and control device located in the bay layer, and the intelligent measurement and control device converts the MMS manufacturing message of the 61850-8 protocol into GOOSE message protocol data;

C6) The intelligent measurement and control device located at the bay layer sends the converted GOOSE message protocol data to the intelligent acceptance signal simulation device through the bay layer network for reception;

C7) The intelligent debugging equipment compares and analyzes the GOOSE message protocol data received by the intelligent acceptance signal simulation device and the remote control status of the current test point in the remote control station simulation module of the intelligent debugging equipment. If the two match, it is determined that the test is qualified. Jump to step C8); if the two do not match, it is determined that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T, then jump to step C5); otherwise, jump to step C8);

C8) Record the unqualified information of the test, and the remote control station simulation module of the intelligent debugging equipment waits for the invalid signal time T0 and then jumps to step C9);

C9) The intelligent debugging device judges whether the remote control test plan still has the next test point to be tested, if there is still the next test point to be tested, select the next test point as the current test point and then jump to step C2); otherwise End the test.

Preferably, in step C1), the initialization time of the invalid signal time T0 is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds.

Preferably, the maximum number of repeated tests T is 3.

Compared with the prior art, the intelligent debugging system of intelligent substation automation equipment of the present invention has the following advantages: the intelligent debugging system of intelligent substation automation equipment of the present invention includes intelligent debugging equipment and intelligent acceptance signal simulation device, and the intelligent debugging equipment is respectively connected with intelligent acceptance The signal simulation device, the station control layer network of the smart substation, and the two-way data connection of the remote machine of the smart substation station control layer, the smart acceptance signal simulation device is respectively connected with the interval layer network and the process layer network of the smart substation for two-way data connection, and can utilize vertical Cross-layer network data analysis, realize automatic closed-loop test of remote signaling, telemetry, and remote control preset test of the whole station, and can be used to realize comprehensive automatic test of various functional indicators and performance indicators of equipment at bay layer and station control layer, so as to be intuitive, Accurately locate the cause and location of the fault, improve the acceptance quality and efficiency of the intelligent station, and ensure the reliable operation of the intelligent station. The invention can avoid the problem that the on-site acceptance of the intelligent substation has extremely high requirements on testers in aspects such as automation communication protocols, has low requirements on the technical threshold of the testers, and has high test efficiency.

Compared with the prior art, the application method of the intelligent debugging system of the intelligent substation automation equipment of the present invention has the following advantages: the application method of the intelligent debugging system of the intelligent substation automation equipment of the present invention is the application of the intelligent debugging system of the intelligent substation automation equipment of the present invention, which can give Using vertical cross-layer network data analysis, the automatic closed-loop test of the whole station remote signal/telemetry/remote control preset test is realized, and the comprehensive automatic test of each functional index and performance index of the equipment at the bay layer and the station control layer is realized, and it can be intuitively , Accurately locate the cause and location of the fault, improve the acceptance quality and efficiency of the smart station, ensure the reliable operation of the smart station, and avoid the problem that the on-site acceptance of the smart substation places extremely high requirements on the testers in terms of automation communication protocols. Testers have low technical threshold requirements and high testing efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of the system structure of an embodiment of the present invention.

Fig. 2 is a flowchart of an automatic closed-loop test method for a telemetry test in an embodiment of the present invention.

Fig. 3 is a flowchart of an automatic closed-loop test method for a remote signaling test in an embodiment of the present invention.

Fig. 4 is a flow chart of the automatic closed-loop test method of the remote control test in the embodiment of the present invention.

Fig. 5 is an output signal diagram of the intelligent acceptance signal simulation device in the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figure 1, the intelligent commissioning system for intelligent substation automation equipment in this embodiment includes intelligent commissioning equipment and intelligent acceptance signal simulation device, and the intelligent commissioning equipment is connected with the intelligent acceptance signal simulation device, the station control layer network of the intelligent substation, and the intelligent substation station respectively. The two-way data connection of the remote machine at the control layer, and the two-way data connection between the intelligent acceptance signal simulation device and the bay layer network and process layer network of the smart substation respectively. In this embodiment, the intelligent debugging equipment is specifically a computer device equipped with intelligent debugging software and a telecontrol simulation module; the intelligent acceptance signal simulation device specifically adopts the DK-34B4 intelligent acceptance test signal simulation device of Nanjing Dandic Technology Development Co., Ltd.

Referring to Figure 1, the intelligent debugging equipment sends SV signals and GOOSE status signals to the intelligent protection equipment and intelligent measurement and control equipment in the interval layer by controlling the intelligent acceptance signal simulation device and the process layer, and lasts for T0 effective signal time, and the intelligent protection equipment in the interval layer After receiving the signal, the intelligent measurement and control equipment analyzes and processes it, and sends the corresponding data and status information to the remote machine through the DL/T860.8 MMS message of the station control layer network, and finally the data is transmitted to the remote machine in the intelligent debugging equipment simulation module. During the test process, the intelligent debugging system will monitor and analyze the communication messages of the interval layer and the station control layer equipment in real time in the station control layer network, and obtain the corresponding intermediate data. The intelligent test system will combine the process layer data (simulation device SV, GOOSE Data), station control layer data (MMS manufacturing message analysis data) and telecontrol data (104 message analysis data), analyze and compare with the parameters set in the test plan of the intelligent debugging system. If any abnormality is found in a certain link, it will directly Locate and display the corresponding exception information. In the same way, the telecontrol simulation module can also simulate the telecontrol master station to directly issue remote control commands to realize the detection of the remote control execution process of the entire station.

This embodiment also provides an application method of the intelligent debugging system of the aforementioned intelligent substation automation equipment, including the steps of automatic closed-loop testing applied to the telemetry test, as shown in Figure 2, the detailed steps include:

A1) Draw up a telemetry test plan, initialize and set the intelligent acceptance signal simulation device to continuously output invalid signal time T0 and valid signal time T1; select a test point from the telemetry test plan as the current test point;

A2) For the current test point (such as a certain test point Ua=57V, Ia=5A), the intelligent acceptance signal simulation device outputs an invalid signal by default, and controls the process of sending the intelligent acceptance signal simulation device to the smart substation after delaying the invalid signal time T0 Layer network sends SV message as a test message and continues to output valid signal time T1;

A3) The intelligent measurement and control device located at the bay layer of the smart substation collects SV messages and performs calculation and processing, and converts the data into MMS manufacturing messages of the 61850-8 protocol (DL/T860.8) and transmits them to the station control layer network;

A4) Error calculation at the station control layer: the intelligent debugging device analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding MMXU node, and compares the data in the MMXU node with the SV message The telemetry data is compared and analyzed, if the two match, it is judged that the test is qualified, and the execution is skipped to step A5); The number of times N satisfies: 1<=N<=T), then jump to step A2), otherwise jump to step A8);

A5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol to the remote machine of the station control layer, and the remote machine converts the MMS manufacturing message of the 61850-8 protocol into telecontrol protocol data (104 protocol data);

A6) The telecontroller sends the telecontrol protocol data (104 protocol data) to the telecontrol station simulation module of the intelligent debugging device;

A7) Remote transmission error calculation: the intelligent debugging device compares and analyzes the telemetry data in the telecontrol protocol data (104 protocol data) received by the telecontrol station simulation module and the telemetry data in the SV message, and judges if the two match If the test is qualified, skip to step A8); if the two do not match, it is determined that the test is unqualified, and if the number of repeated tests is less than the maximum number of repeated tests T (that is, the number of repeated tests N satisfies: 1<=N<=T) then skip Go to step A5), otherwise skip to step A8);

A8) Record the unqualified information of the test, the intelligent debugging device controls the intelligent acceptance signal simulation device to stop outputting, and jump to step A9 after waiting for the invalid signal time T0; record the unqualified information of the test, and further correct the unqualified test according to the needs Qualified information for analysis;

A9) The intelligent debugging device judges whether the telemetry test plan still has the next test point to be tested. If there is still the next test point to be tested, select the next test point as the current test point and then jump to step A2); otherwise End the test.

Referring to the aforementioned steps A1)-step A9), it can be seen that the method of this embodiment can improve the verification efficiency, shorten the whole verification time and provide retests for unqualified items; ensure that each test point has no less than repeated The number of tests N times will re-acquire the terminal measurement value, and the repeatability is good. If the measurement value collected once during the test is judged to be qualified, the test point is considered to be qualified; The maximum number of repeated tests is T times to retest to avoid unexpected situations in the test process from affecting the test results; as long as the measured value is judged to be qualified for the first time, even if the continuous output time of the test point is not used up, it will jump out of the test point and enter the next test point detection.

In this embodiment, the initialization time of the invalid signal time T0 in step A1) is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds. The output signals of the intelligent acceptance signal simulation device are shown in Fig. 5, which respectively output invalid signals, valid signals, and invalid signals, and the duration of the valid signals is T1.

In this embodiment, the maximum number of repeated tests T is 3, the same below.

The present embodiment also includes the steps of the automatic closed-loop test applied to the remote signal test, as shown in Figure 3, the detailed steps include:

B1) Draw up a remote signaling test plan, initialize and set the intelligent acceptance signal simulation device to continuously output invalid signal time T0 and valid signal time T1; select a test point from the remote signal test plan as the current test point;

B2) For the current test point (for example, a certain test point opens 1 output normally open to normally closed, and the flipping time is 1S), the intelligent acceptance signal simulation device outputs an invalid signal by default, and controls the intelligent acceptance signal after delaying the invalid signal time T0 The simulation device sends a GOOSE message to the bay layer network of the smart substation as a test message and continuously outputs a valid signal time T1;

B3) The intelligent measurement and control device located at the interval layer of the smart substation collects GOOSE messages and performs calculation and processing, and converts the data into MMS manufacturing messages of the 61850-8 protocol (DL/T860.8) and transmits them to the station control layer network;

B4) Remote signaling judgment at the station control layer: the intelligent debugging device analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding GGIO node, and compares the data in the GGIO node with the GOOSE message Compare and analyze the remote signaling data in , if the two match, it is judged that the test is qualified, and jump to step B5); if the two do not match, it is judged that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests The number of repeated tests N satisfies: 1<=N<=T), then jump to step B2), otherwise jump to step B8);

B5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol (DL/T860.8) to the remote machine of the station control layer, and the remote machine converts the MMS manufacturing message of the 61850-8 protocol into a telecontrol protocol data (104 protocol data);

B6) The telecontroller sends the telecontrol protocol data (104 protocol data) to the telecontrol station simulation module of the intelligent debugging device;

B7) Telecommunication judgment: the intelligent debugging equipment compares and analyzes the remote signaling data in the telecontrol protocol data (104 protocol data) received by the telecontrol station emulation module and the remote signaling data in the SV message. If they match, it is determined that the test is qualified, and jump to step B8); if the two do not match, it is determined that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T (that is, the number of repeated tests N satisfies: 1<=N<=T ) then jump to step B5), otherwise jump to step B8);

B8) Record the unqualified information of the test, the intelligent debugging device controls the intelligent acceptance signal simulation device to stop outputting, and jump to step B9 after waiting for the invalid signal time T0; record the unqualified information of the test and further correct the unqualified test according to the needs Qualified information for analysis;

B9) The intelligent debugging device judges whether there is still the next test point to be tested in the remote signaling test plan. If there is still the next test point to be tested, select the next test point as the current test point and then jump to step B2); Otherwise end the test.

Referring to the aforementioned steps B1)-Step B9), it can be seen that the method of this embodiment can improve the verification efficiency, shorten the whole verification time and provide retests for unqualified items; ensure that each test point has no less than repeated The number of tests N times will re-acquire the terminal measurement value, and the repeatability is good. If the measurement value collected once during the test is judged to be qualified, the test point is considered to be qualified; The maximum number of repeated tests is T times to retest to avoid unexpected situations in the test process from affecting the test results; as long as the measured value is judged to be qualified for the first time, even if the continuous output time of the test point is not used up, it will jump out of the test point and enter the next test point detection.

In this embodiment, the initialization time of the invalid signal time T0 in step B1) is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds.

The present embodiment also includes the steps of the automatic closed-loop test applied to the remote control test, as shown in Figure 4, the detailed steps include:

C1) Draw up a remote control test plan, initialize and set the remote station simulation module of the intelligent debugging equipment to continuously output invalid signal time T0 and valid signal time T1; select a test point from the remote control test plan as the current test point;

C2) For the current test point (such as a certain test point table YK1 preset, single-point execution closing), the remote station simulation module of the intelligent debugging device outputs an invalid signal by default, and presets the current test after delaying the invalid signal time T0 After selecting a single point, perform the opening or closing operation and delay the effective signal time T1, and send the telecontrol protocol telecontrol message to the telemotor at the station control layer; a certain test point table YK1 preset, single point Take closing as an example, according to the remote control test plan, after delaying T1 time, the telecontrol simulation module that controls the intelligent debugging equipment presets a single point and performs the closing operation, and delays T1 time, and the simulation telecontrol master station will The 104 protocol remote control message is sent to the remote machine.

C3) The telemotor at the station control layer converts the telecontrol protocol remote control message (104 protocol remote control message) into the MMS manufacturing message of the 61850-8 protocol (DL/T860.8) and transmits it to the station control layer network;

C4) Remote control judgment of the station control layer: the intelligent debugging device analyzes the MMS manufacturing message of the 61850-8 protocol monitored by the station control layer network, obtains the data in the corresponding CSIW node, and simulates the data in the CSIW node with the remote station The remote control status of the current test point in the module is compared and analyzed. If the two match, the test is judged to be qualified, and the jump is executed to step C5); if the two do not match, the test is judged to be unqualified. The number of times T (that is, the number of repeated tests N satisfies: 1<=N<=T), then jump to step C2); otherwise, jump to step C8);

C5) The station control layer network continues to transmit the MMS manufacturing message of the 61850-8 protocol to the intelligent measurement and control device located at the interval layer, and the intelligent measurement and control device converts the MMS manufacturing message of the 61850-8 protocol into the GOOSE message protocol data (published by GOOSE message);

C6) The intelligent measurement and control device located at the bay layer sends the converted GOOSE message protocol data (GOOSE release message) to the intelligent acceptance signal simulation device through the bay layer network for reception;

C7) Process level remote control judgment: the intelligent debugging equipment compares the GOOSE message protocol data (GOOSE subscription message) received by the intelligent acceptance signal simulation device with the remote control status of the current test point in the remote control station simulation module of the intelligent debugging equipment Analysis, if the two match, it is determined that the test is qualified, and jump to step C8); if the two do not match, it is determined that the test is unqualified, if the number of repeated tests is less than the maximum number of repeated tests T (that is, the number of repeated tests N satisfies: 1< =N<=T), then jump to step C5), otherwise jump to step C8);

C8) Record the unqualified information of the test, the remote station simulation module of the intelligent debugging equipment waits for the invalid signal time T0 and then jump to step C9); record the unqualified information of the test, and further analyze the unqualified information according to the needs ;

C9) The intelligent debugging device judges whether the remote control test plan still has the next test point to be tested, if there is still the next test point to be tested, select the next test point as the current test point and then jump to step C2); otherwise End the test.

Referring to the aforementioned steps C1)-step C9), it can be seen that the method of this embodiment can improve the verification efficiency, shorten the whole verification time and provide retests for unqualified items; ensure that each test point has no less than repeated The number of tests N times will re-acquire the terminal measurement value, and the repeatability is good. If the measurement value collected once during the test is judged to be qualified, the test point is considered to be qualified; The maximum number of repeated tests is T times to retest to avoid unexpected situations in the test process from affecting the test results; as long as the measured value is judged to be qualified for the first time, even if the continuous output time of the test point is not used up, it will jump out of the test point and enter the next test point detection.

In this embodiment, the initialization time of the invalid signal time T0 in step C1) is 2 seconds, and the initialization time of the valid signal time T1 is 30 seconds.

To sum up, the intelligent debugging equipment in this embodiment connects and controls the intelligent acceptance signal simulation device, which can realize the organic connection of the process layer, the interval layer, and the station control layer, and realize the telecontrol simulation function at the same time, and can realize the increase in volume from the intelligent simulation device. , and then return to the intelligent test system after going through the interval layer equipment, station control layer network, station control layer equipment, telecontrol network and other links, forming an organic closed loop. During the test, the intelligent debugging equipment section synchronously analyzes the DL/T860.8 message (MMS manufacturing message) and telecontrol 104 message (telecontrol protocol data) in each network, and combines the input and output of the intelligent acceptance signal simulation device (SV, GOOSE message), realize the closed-loop test of the whole system, if there is an abnormality or error in a certain link of the whole station system, the intelligent system will automatically locate and display in real time, and form corresponding records and conclusions. In addition, this embodiment also provides an automatic closed-loop test method for realizing telemetry, remote signaling, remote control and other tests of smart substations, using vertical cross-layer network data analysis to realize automatic closed-loop testing of remote signaling, telemetry, and remote control preset tests for the entire station Test, to realize the comprehensive automatic test of various functional indicators and performance indicators of the equipment at the bay layer and the equipment at the station control layer, and can intuitively and accurately locate the cause and location of the fault, improve the acceptance quality and efficiency of the intelligent station, and ensure the safety of the intelligent station. Reliable operation.

The above descriptions are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an intelligence transformer substation automation equipment intelligent debugging system which characterized in that: the intelligent test system comprises intelligent debugging equipment and an intelligent acceptance signal simulation device, wherein the intelligent debugging equipment is respectively connected with the intelligent acceptance signal simulation device, a station control layer network of an intelligent substation and telemechanical bidirectional data of the station control layer of the intelligent substation, and the intelligent acceptance signal simulation device is respectively connected with a spacer layer network and a process layer network bidirectional data of the intelligent substation.

2. The method of claim 1, comprising the step of applying an automatic closed loop test to a telemetry test, the detailed steps comprising:

A1) drawing up a telemetering test scheme, and initializing and setting the time T0 for the intelligent acceptance signal simulation device to continuously output an invalid signal and the time T1 for an effective signal; selecting a test point from the telemetry test scheme as a current test point;

A2) aiming at the current test point, the intelligent acceptance signal simulation device outputs an invalid signal by default, and controls the intelligent acceptance signal simulation device to send an SV message to a process layer network of the intelligent substation as a test message after delaying invalid signal time T0 and continuously output valid signal time T1;

A3) an intelligent measurement and control device positioned on a bay level of an intelligent substation collects SV messages and carries out calculation processing, and MMS manufacturing messages with data converted into 61850-8 protocol are transmitted to a station control layer network;

A4) analyzing an MMS (multimedia messaging service) manufacturing message of a 61850-8 protocol monitored by the intelligent debugging equipment on the station control layer network to obtain data in a corresponding MMXU node, comparing and analyzing the data in the MMXU node with telemetering data in an SV message, judging that the test is qualified if the data in the MMXU node is matched with the telemetering data in the SV message, and skipping to execute the step A5); if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step A2) is executed, otherwise, the step A8) is executed;

A5) the station control layer network continuously transmits MMS manufacturing messages of the 61850-8 protocol to a telecontrol machine of the station control layer, and the telecontrol machine converts the MMS manufacturing messages of the 61850-8 protocol into telecontrol protocol data;

A6) the telecontrol machine sends telecontrol protocol data to a telecontrol station simulation module of the intelligent debugging equipment;

A7) the intelligent debugging equipment compares and analyzes the telemetering data in the telecontrol protocol data received by the telecontrol station simulation module with the telemetering data in the SV message, if the telemetering data and the SV message are matched, the test is judged to be qualified, and the step A8 is skipped to execute; if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step A5) is executed, otherwise, the step A8) is executed;

A8) recording the information that the test is unqualified, controlling the intelligent acceptance signal simulation device to stop outputting by the intelligent debugging device, and jumping to execute the step A9 after waiting for the invalid signal time T0);

A9) the intelligent debugging equipment judges whether the telemetering test scheme still has a next test point to be tested, and if the telemetering test scheme still has the next test point to be tested, the next test point is selected as the current test point, and then the step A2 is executed in a skipping mode; otherwise, the test is finished.

3. The method as claimed in claim 2, wherein the initialization time of the disable signal time T0 in the step a 1) is 2 seconds, and the initialization time of the enable signal time T1 is 30 seconds.

4. The method of claim 2, wherein the maximum number of retests T is 3.

5. The method of claim 2, further comprising the step of performing an automatic closed loop test for remote signaling testing, the detailed steps comprising:

B1) a remote signaling test scheme is drawn up, and the intelligent acceptance signal simulation device is initialized to continuously output invalid signal time T0 and valid signal time T1; selecting a test point from a remote signaling test scheme as a current test point;

B2) aiming at the current test point, the intelligent acceptance signal simulation device outputs an invalid signal by default, and controls the intelligent acceptance signal simulation device to send a GOOSE message as a test message to a bay level network of the intelligent substation after delaying the invalid signal time T0 and continuously output a valid signal time T1;

B3) the intelligent measurement and control device positioned on the bay level of the intelligent substation collects GOOSE messages and carries out calculation processing, and the MMS manufacturing messages with data converted into 61850-8 protocol are transmitted to the substation control layer network;

B4) analyzing an MMS (multimedia messaging service) manufacturing message of a 61850-8 protocol monitored by the intelligent debugging equipment on the station control layer network to obtain data in a corresponding GGIO node, comparing and analyzing the data in the GGIO node with remote signaling data in the GOOSE message, judging that the test is qualified if the data in the GGIO node is matched with the remote signaling data in the GOOSE message, and skipping to execute the step B5); if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step B2) is executed, otherwise, the step B8) is executed;

B5) the station control layer network continuously transmits MMS manufacturing messages of the 61850-8 protocol to a telecontrol machine of the station control layer, and the telecontrol machine converts the MMS manufacturing messages of the 61850-8 protocol into telecontrol protocol data;

B6) the telecontrol machine sends telecontrol protocol data to a telecontrol station simulation module of the intelligent debugging equipment;

B7) the intelligent debugging equipment compares and analyzes remote signaling data in the telecontrol protocol data received by the telecontrol station simulation module with remote signaling data in the SV message, if the remote signaling data and the remote signaling data are matched, the test is judged to be qualified, and the step B8 is skipped to execute; if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step B5) is executed, otherwise, the step B8) is executed;

B8) recording the information that the test is unqualified, controlling the intelligent acceptance signal simulation device to stop outputting by the intelligent debugging device, and jumping to execute the step B9 after waiting for the invalid signal time T0);

B9) the intelligent debugging equipment judges whether the telecommand test scheme still has a next test point to be tested, and if the telecommand test scheme still has the next test point to be tested, the next test point is selected as the current test point, and then the step B2 is executed by skipping; otherwise, the test is finished.

6. The method as claimed in claim 5, wherein the initialization time of the disable signal time T0 in step B1) is 2 seconds, and the initialization time of the enable signal time T1 is 30 seconds.

7. The method of claim 5, wherein the maximum number of retests T is 3.

8. The method of claim 2, further comprising the step of performing an automatic closed loop test for a remote control test, the detailed steps comprising:

C1) a remote control test scheme is drawn up, and a telecontrol station simulation module of the intelligent debugging equipment is initialized to continuously output invalid signal time T0 and valid signal time T1; selecting a test point from the remote control test scheme as a current test point;

C2) aiming at the current test point, a telecontrol station simulation module of the intelligent debugging equipment outputs an invalid signal by default, after the invalid signal time T0 is delayed, the current test point is preset to be subjected to single-point selection, the operation of switching off or switching on is executed, the valid signal time T1 is delayed, and a telecontrol protocol remote control message is sent to a telecontrol machine positioned on a station control layer;

C3) the telecontrol machine positioned on the station control layer converts the telecontrol message into an MMS manufacturing message with 61850-8 protocol and transmits the MMS manufacturing message to the station control layer network;

C4) analyzing an MMS (multimedia messaging service) manufacturing message of a 61850-8 protocol monitored by the intelligent debugging equipment on the station control layer network to obtain data in a corresponding CSIW node, comparing and analyzing the data in the CSIW node with a remote control state line of a current test point in the telecontrol station simulation module, judging that the test is qualified if the data in the CSIW node is matched with the remote control state line of the current test point in the telecontrol station simulation module, and skipping to execute the step C5); if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step C2) is executed, otherwise, the step C8) is executed;

C5) the station control layer network continuously transmits MMS manufacturing messages of the 61850-8 protocol to the intelligent measurement and control device positioned on the bay layer, and the intelligent measurement and control device converts the MMS manufacturing messages of the 61850-8 protocol into GOOSE message protocol data;

C6) the intelligent measurement and control device positioned at the spacing layer sends the converted GOOSE message protocol data to the intelligent acceptance signal simulation device through the spacing layer network for receiving;

C7) the intelligent debugging equipment compares and analyzes the GOOSE message protocol data received by the intelligent acceptance signal simulation device with the remote control state line of the current test point in the telecontrol station simulation module of the intelligent debugging equipment, if the GOOSE message protocol data and the remote control state line are matched, the test is judged to be qualified, and the step C8 is skipped to execute; if the two are not matched, the test is judged to be unqualified, if the repeated test times are less than the maximum repeated test times T, the step C5) is executed, otherwise, the step C8) is executed;

C8) recording the information of unqualified test, and jumping to execute the step C9 after a telecontrol station simulation module of the intelligent debugging equipment waits for invalid signal time T0);

C9) the intelligent debugging equipment judges whether the remote control test scheme still has a next test point to be tested, and if the remote control test scheme still has the next test point to be tested, the next test point is selected as the current test point, and then the step C2 is executed by skipping; otherwise, the test is finished.

9. The method as claimed in claim 8, wherein the initialization time of the disable signal time T0 in step C1) is 2 seconds, and the initialization time of the enable signal time T1 is 30 seconds.

10. The method of claim 8, wherein the maximum number of retests T is 3.

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