Mirror image simulation test system and method based on transformer substation monitoring system

Abstract

The invention relates to the technical field of transformer substations, and discloses a mirror image simulation test system and method based on a transformer substation monitoring system, and the system comprises a simulation module and a test module. Wherein the simulation module comprises a process layer simulation sub-module, a spacer layer simulation sub-module and a scheduling master station simulation sub-module; the test module comprises a monitoring host test sub-module, a one-key sequence control test sub-module, a communication gateway machine test sub-module and a measurement and control device test sub-module; the testing efficiency and correctness of the measurement and control device and the communication gateway machine are improved, a mirror image debugging platform consistent with the actual operation environment of the transformer substation monitoring system is constructed through mirror image simulation testing, offline twin debugging and online lossless restoration are achieved, all debugging work of the transformer substation monitoring system is mirrored to the debugging platform to be completed, power failure debugging is not needed on site, and the debugging efficiency is improved. And the debugging safety of the substation monitoring system is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of substations, and in particular to a mirror simulation test system and method based on a substation monitoring system. Background Art

[0002] The traditional debugging mode of the substation monitoring system mainly relies on manual on-site operations. A series of tasks such as point-to-point debugging of the monitoring system, interlocking verification, and one-button sequential control verification are completed on-site at the substation. The workload is large and depends on the level of personnel. There is a lack of standard and efficient verification methods. In scenarios such as operation and maintenance, renovation and expansion, the operation and safety measures of the operation system are complex, there are many on-site construction areas, and the construction personnel cross-operation is prominent. There are high equipment and personal risks, which increases the management cost of the project. After the substation is renovated and expanded, multi-interval interlocking, one-button sequential control ticket verification, etc. require multi-interval equipment and multi-professional work types to cooperate, and the work coordination cost is high. At the same time, the debugging work requires a wide range of equipment power outages and a long power outage time, which lengthens the operation span and reduces the reliability of the power grid. It is urgent to explore efficient and safe debugging and verification methods through new ideas and new methods to solve the pain points and difficulties in power grid construction. Summary of the invention

[0003] The present invention provides a mirror simulation test system and method based on a substation monitoring system, which improves the testing efficiency and correctness of measurement and control devices and communication gateway machines, builds a mirror debugging platform consistent with the actual operating environment of the substation monitoring system through mirror simulation testing, realizes offline twin debugging and online lossless restoration, and completes all debugging work of the substation monitoring system by mirroring it to the debugging platform. There is no need for on-site power outage debugging, which improves the debugging safety of the substation monitoring system.

[0004] The present invention provides a mirror simulation test system based on a substation monitoring system, comprising a simulation module and a test module; wherein the simulation module comprises a process layer simulation submodule, an interval layer simulation submodule and a dispatching master station simulation submodule; the test module comprises a monitoring host test submodule, a one-key sequence control test submodule, a communication gateway test submodule and a measurement and control device test submodule;

[0005] The process layer simulation submodule is used to construct a measurement and control simulation device to simulate the measurement and control device;

[0006] The bay layer simulation submodule is used to simulate the IED equipment of the substation monitoring system, including the mirror monitoring host and the sequential control host;

[0007] The dispatching master station simulation submodule is used to realize the mirror simulation of the input and output information of the telecontrol device according to the telecontrol device;

[0008] The monitoring host test submodule is used to implement the test of the monitoring host database;

[0009] The communication gateway machine test submodule is used to implement the communication gateway machine association mapping verification;

[0010] The test submodule of the measurement and control device is used to implement functional testing of the test device;

[0011] The one-key sequence control test submodule is used to implement a one-key sequence control test of the sequence control host.

[0012] Preferably, the monitoring host test submodule obtains the monitoring host background screen file, communicates with the monitoring host through the IED device of the MMS mirror simulation interval layer, performs MMS signal change trigger simulation based on the information sequence described in the database file, and imports the information change record of the monitoring host, automatically compares the consistency of the MMS signal and the signal recorded in the change record file, and tests the monitoring host database.

[0013] Preferably, the specific method of testing the monitoring host database includes:

[0014] Obtain the database point table file of the mirror monitoring host, parse and obtain the measurement point information;

[0015] Compare the database point table file with the IED capability description file model of the measurement and control simulation device, and generate comparison results by comparing the measurement point index and name description of all data objects;

[0016] According to the measurement point sequence in the database point table file or SCD file called from the monitoring host, the data replacement service is used to send data replacement commands to the measurement and control simulation device point by point;

[0017] The measurement and control simulation device responds to the data replacement command, and the replaced data object of the measurement and control simulation device is uploaded to the mirror monitoring host through the reporting service;

[0018] The mirror monitoring host receives the position change signal to generate a replacement data record file;

[0019] Compare the replacement data record file with the trigger record, generate the comparison results, and output the debugging report.

[0020] Preferably, the one-button sequence control test submodule communicates with the sequence control host through the IED device of the MMS mirror simulation interval layer, sends MMS signals to the sequence control host, receives remote control instructions issued by the sequence control host and feeds back action result signals to realize one-button sequence control test.

[0021] Preferably, the specific method of the one-key sequential control test includes:

[0022] Parse the standard format device status and operation ticket files exported by the monitoring host, and build a test ticket library for operation tickets;

[0023] Select the operation ticket, trigger the MMS signal through the IED device of the MMS mirror simulation bay layer, and test the correctness of the operation ticket configuration;

[0024] The simulation measurement and control device, according to the virtual trigger signal of the source state of the operation ticket to be debugged, makes the signal state of the corresponding operation ticket interval on the mirror monitoring host meet the source state judgment condition, and enters the operation ticket operation process monitoring state at the same time;

[0025] Retrieve the corresponding operation ticket task of the mirror monitoring host, make the operation ticket enter the operation execution state, and issue single-step control instructions to the measurement and control simulation device;

[0026] Obtain the single-step operation instructions received by the measurement and control simulation device, extract the control object, compare it with the single-step operation object of the corresponding operation ticket, and verify the correctness of the signal configuration.

[0027] Preferably, the point-to-point test method of the remote control information of the communication gateway test submodule is completed by virtual machine A and virtual machine B; virtual machine A mirrors the IED equipment and the main station front of the interval layer, that is, the MMS server and the 104 client, and virtual machine B mirrors the remote control device, that is, the MMS client and the 104 server; virtual machine A and virtual machine B both import RCD files, SCD files and monitoring information transfer tables, and virtual machine A sends an MMS signal to virtual machine B, and virtual machine B converts the received MMS signal into a 104 signal according to the mapping relationship of the RCD file and sends it to virtual machine A, forming a closed-loop test environment to verify the effectiveness of the RCD file configuration itself.

[0028] Preferably, the specific method of the communication gateway machine mirror test includes remote signaling test, telemetry test and remote control test;

[0029] The specific method of telesignal test includes: triggering MMS telesignal position change in sequence according to the action-reset mode based on the point table sequence, and automatically judging whether the forwarding configuration of the telecontrol device is correct according to the received 104 signal; for the real telesignal of negation, triggering MMS telesignal position change in the reset-action mode; for the real telesignal of synthetic signal, screening all synthetic signals separately, and performing synthetic signal logic test by resetting the total signal and triggering the sub-signals in sequence; for the virtual telesignal of communication interruption, screening all virtual telesignals separately, and triggering the communication interruption in sequence to perform the automatic test of the virtual telesignal;

[0030] The specific method of telemetry test includes: triggering MMS telemetry changes in ascending order based on the point number sequence, automatically judging whether the telecontrol device forwarding configuration is correct according to the received 104 signal; for forwarding configurations with coefficients and offset parameters, automatically back-calculating the original value triggered by the expected sending value; for telemetry configurations with synthetic signal generation, separately filtering out the synthetic signal telemetry list, and automatically performing synthetic signal logic testing;

[0031] The specific method of remote control test includes: automatically triggering 104 remote control instructions based on the point number sequence, the mirrored simulated MMS server returns an execution success instruction after receiving the remote control instruction, and automatically judging whether the remote control forwarding configuration is correct according to the remote control instruction corresponding to the point number, thereby realizing automatic testing of the remote control forwarding table.

[0032] Preferably, the measurement and control device test submodule realizes the test on the bay layer measurement and control device by mirroring and simulating the MMS client, simulating the sending of GOOSE / SV messages, and simulating the receiving of GOOSE messages.

[0033] Preferably, the specific method of testing the submodule of the measurement and control device includes interlocking logic test, measurement and control virtual connection configuration test, measurement and control virtual-to-virtual test and measurement and control virtual-to-real test;

[0034] The specific method of the interlocking logic test includes: simulating the GOOSE signal of the measurement and control device to be tested through GOOSE, and receiving the GOOSE interlocking signal sent by the measurement and control device to realize the interlocking logic test of the measurement and control device;

[0035] The specific method of the measurement and control virtual connection configuration test includes: sending the process layer device GOOSE / SV signal, receiving the measurement and control MMS signal, and automatically verifying the correctness of the measurement and control device GOOSE / SV virtual connection configuration and signal configuration through signal correlation through GOOSE / SV simulation and MMS client simulation;

[0036] The specific method of the measurement and control virtual-to-virtual test includes: sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual process layer device receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the measurement and control to the process layer device; sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual measurement and control receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the process layer device to the measurement and control;

[0037] The specific method of measurement and control virtual-to-real test includes: sending process layer equipment GOOSE / SV signals and receiving measurement and control MMS signals through GOOSE / SV simulation and MMS client simulation, and automatically verifying the measurement and control device GOOSE / SV virtual connection configuration, digital quantity sampling accuracy, communication parameters, channel configuration and signal configuration correctness through signal association.

[0038] Preferably, a mirror simulation test method based on a substation monitoring system, used for the mirror simulation test system based on a substation monitoring system, comprises:

[0039] Import the test files that are consistent with the substation site, including SCD files, sequential control operation ticket files, measurement and control interlocking configuration files, and RCD files;

[0040] Trigger signals according to the sequence of the monitoring host database information, obtain alarm data records, and trigger signals according to the sequence of database information to complete the database signal automatic test;

[0041] Simulate sending the GOOSE signal of the process layer equipment to the measurement and control device, and receive the MMS signal forwarded by the measurement and control device to complete the automatic test of the GOOSE signal of the measurement and control device;

[0042] Simulate sending the GOOSE position signal of the bay layer equipment to the measurement and control device, and at the same time receive the GOOSE interlocking signal sent by the measurement and control device to complete the automatic test of the measurement and control interlocking logic;

[0043] Generate a one-key sequence control test library, send MMS signals to receive sequence control instructions to complete one-key sequence control automatic testing;

[0044] Based on the remote control device RCD file, the MMS signal is sent and the 104 signal is received to complete the automatic test of the remote control gateway configuration.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] The present invention discloses a mirror simulation test system and method based on a substation monitoring system, which improves the testing efficiency and correctness of measurement and control devices and communication gateway machines, builds a mirror debugging platform consistent with the actual operating environment of the substation monitoring system through mirror simulation testing, realizes offline twin debugging and online lossless restoration, and completes all debugging work of the substation monitoring system by mirroring it to the debugging platform. There is no need for on-site power outage debugging, which improves the debugging safety of the substation monitoring system. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of a module of a mirror simulation test system based on a substation monitoring system provided by an embodiment of the present invention;

[0048] Figure 2 It is a flow chart of a mirror simulation test method based on a substation monitoring system provided by an embodiment of the present invention;

[0049] Figure 3 It is a schematic diagram of a substation field test provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] The present invention constructs a physical network that is consistent with the substation monitoring system and the site, simulates the input and output information configuration description of the actual operation measurement and control device and the external characteristics of the virtual circuit association relationship according to the SCD file, and simulates the various IED devices of the substation monitoring system; realizes the mirror simulation of the input and output information of the telecontrol device according to the RCD file of the telecontrol device; and realizes the digital mirror simulation of the monitoring background through the overall migration of the substation monitoring background data.

[0052] like Figure 1 As shown, the present application provides a mirror simulation test system based on a substation monitoring system, including a simulation module and a test module; wherein the simulation module includes a process layer simulation submodule, an interval layer simulation submodule and a dispatching master station simulation submodule; the test module includes a monitoring host test submodule, a one-button sequential control test submodule, a communication gateway test submodule and a measurement and control device test submodule;

[0053] The process layer simulation submodule is used to construct a measurement and control simulation device to simulate the measurement and control device;

[0054] The bay layer simulation submodule is used to simulate the IED equipment of the substation monitoring system, including the mirror monitoring host and the sequential control host;

[0055] The dispatching master station simulation submodule is used to realize the mirror simulation of the input and output information of the telecontrol device according to the telecontrol device;

[0056] The monitoring host test submodule is used to implement the test of the monitoring host database;

[0057] The communication gateway machine test submodule is used to implement the communication gateway machine association mapping verification;

[0058] The test submodule of the measurement and control device is used to implement functional testing of the test device;

[0059] The one-key sequence control test submodule is used to implement a one-key sequence control test of the sequence control host.

[0060] In the above scheme, the physical network of the substation monitoring system consistent with the site is constructed through the server, mirror virtual machine and network switch. According to the SCD file, the input and output information configuration description and virtual circuit association characteristics of the actual operation measurement and control device are simulated through the mirror virtual machine to simulate the IED equipment of the substation monitoring system; the mirror simulation of the input and output information of the telecontrol device is realized through the server according to the RCD file of the telecontrol device; the digital mirror simulation of the monitoring background is realized through the overall migration of the substation monitoring background data. Build an offline debugging system consistent with the actual operating environment of the substation monitoring system.

[0061] The monitoring host test based on mirror simulation realizes the monitoring background database verification through SCD files, screen information sequence files and database files; the communication gateway test based on mirror simulation realizes the communication gateway association mapping verification through RCD files and IEC104 signals; the measurement and control device test based on mirror simulation realizes the functional simulation of the test device through SCD files, GOOSE / SV and MMS signals.

[0062] Preferably, the monitoring host test submodule obtains the monitoring host background screen file, communicates with the monitoring host through the IED device of the MMS mirror simulation interval layer, performs MMS signal change trigger simulation based on the information sequence described in the database file, and imports the information change record of the monitoring host, automatically compares the consistency of the MMS signal and the signal recorded in the change record file, and tests the monitoring host database.

[0063] Preferably, the specific method of testing the monitoring host database includes:

[0064] Obtain the database point table file of the mirror monitoring host, parse and obtain the measurement point information;

[0065] Compare the database point table file with the IED capability description file model of the measurement and control simulation device, and generate comparison results by comparing the measurement point index and name description of all data objects;

[0066] According to the measurement point sequence in the database point table file or SCD file called from the monitoring host, the data replacement service is used to send data replacement commands to the measurement and control simulation device point by point;

[0067] In the above scheme, the data replacement service is used to send IEC61850 data replacement commands to the measurement and control simulation device point by point. The replacement value is set according to a specific rule, such as the point-by-point separation and combination of the remote signal, the point-by-point increase of the telemetry value and exceeding the dead zone limit.

[0068] The measurement and control simulation device responds to the data replacement command, and the replaced data object of the measurement and control simulation device is uploaded to the mirror monitoring host through the reporting service;

[0069] The mirror monitoring host receives the position change signal to generate a replacement data record file;

[0070] Compare the replacement data record file with the trigger record, generate the comparison results, and output the debugging report.

[0071] Preferably, the one-button sequence control test submodule communicates with the sequence control host through the IED device of the MMS mirror simulation interval layer, sends MMS signals to the sequence control host, receives remote control instructions issued by the sequence control host and feeds back action result signals to realize one-button sequence control test.

[0072] Preferably, the specific method of the one-key sequential control test includes:

[0073] Parse the standard format device status and operation ticket files exported by the monitoring host, and build a test ticket library for operation tickets;

[0074] Select the operation ticket, trigger the MMS signal through the IED device of the MMS mirror simulation bay layer, and test the correctness of the operation ticket configuration;

[0075] The simulation measurement and control device, according to the virtual trigger signal of the source state of the operation ticket to be debugged, makes the signal state of the corresponding operation ticket interval on the mirror monitoring host meet the source state judgment condition, and enters the operation ticket operation process monitoring state at the same time;

[0076] Retrieve the corresponding operation ticket task of the mirror monitoring host, make the operation ticket enter the operation execution state, and issue single-step control instructions to the measurement and control simulation device;

[0077] Obtain the single-step operation instructions received by the measurement and control simulation device, extract the control object, compare it with the single-step operation object of the corresponding operation ticket, and verify the correctness of the signal configuration.

[0078] Preferably, the point-to-point test method of the remote control information of the communication gateway test submodule is completed by virtual machine A and virtual machine B; virtual machine A mirrors the IED equipment and the main station front of the interval layer, that is, the MMS server and the 104 client, and virtual machine B mirrors the remote control device, that is, the MMS client and the 104 server; virtual machine A and virtual machine B both import RCD files, SCD files and monitoring information transfer tables, and virtual machine A sends an MMS signal to virtual machine B, and virtual machine B converts the received MMS signal into a 104 signal according to the mapping relationship of the RCD file and sends it to virtual machine A, forming a closed-loop test environment to verify the effectiveness of the RCD file configuration.

[0079] Preferably, the specific method of the communication gateway machine mirror test includes remote signaling test, telemetry test and remote control test;

[0080] The specific method of telesignal test includes: triggering MMS telesignal position change in sequence according to the action-reset mode based on the point table sequence, and automatically judging whether the forwarding configuration of the telecontrol device is correct according to the received 104 signal; for the real telesignal of negation, triggering MMS telesignal position change in the reset-action mode; for the real telesignal of synthetic signal, screening all synthetic signals separately, and performing synthetic signal logic test by resetting the total signal and triggering the sub-signals in sequence; for the virtual telesignal of communication interruption, screening all virtual telesignals separately, and triggering the communication interruption in sequence to perform the automatic test of the virtual telesignal;

[0081] The specific method of telemetry test includes: triggering MMS telemetry changes in ascending order based on the point number sequence, automatically judging whether the telecontrol device forwarding configuration is correct according to the received 104 signal; for forwarding configurations with coefficients and offset parameters, automatically back-calculating the original value triggered by the expected sending value; for telemetry configurations with synthetic signal generation, separately filtering out the synthetic signal telemetry list, and automatically performing synthetic signal logic testing;

[0082] According to an embodiment provided by the present application, an expression test is performed in the manner of y=ax+by+cz…+D, wherein a, b, c represent coefficients, x, y, z represent real-time values ​​of telemetry signal points, and D represents an offset. Changes in x, y, and z are triggered in sequence to automatically determine whether the y value is correct.

[0083] The specific method of remote control test includes: automatically triggering 104 remote control instructions based on the point number sequence, the mirrored simulated MMS server returns an execution success instruction after receiving the remote control instruction, and automatically judging whether the remote control forwarding configuration is correct according to the remote control instruction corresponding to the point number, thereby realizing automatic testing of the remote control forwarding table.

[0084] In the above scheme, the simulation test of the communication process between the mirror communication gateway and the mirror measurement and control device and the simulation master station verifies the correctness of the gateway telemetry, telesignaling, remote control point table configuration file and telecontrol forwarding function. The single-interval telecontrol point-to-point debugging time is reduced from the original 2 hours to 10 minutes, which greatly improves the correctness and efficiency of the gateway telecontrol point table test.

[0085] Preferably, the measurement and control device test submodule realizes the test on the bay layer measurement and control device by mirroring and simulating the MMS client, simulating the sending of GOOSE / SV messages, and simulating the receiving of GOOSE messages.

[0086] Preferably, the specific method of testing the submodule of the measurement and control device includes interlocking logic test, measurement and control virtual connection configuration test, measurement and control virtual-to-virtual test and measurement and control virtual-to-real test;

[0087] The specific method of the interlocking logic test includes: simulating the GOOSE signal of the measurement and control device to be tested through GOOSE, and receiving the GOOSE interlocking signal sent by the measurement and control device to realize the interlocking logic test of the measurement and control device;

[0088] The specific method of the measurement and control virtual connection configuration test includes: sending the process layer device GOOSE / SV signal, receiving the measurement and control MMS signal, and automatically verifying the correctness of the measurement and control device GOOSE / SV virtual connection configuration and signal configuration through signal correlation through GOOSE / SV simulation and MMS client simulation;

[0089] The specific method of the measurement and control virtual-to-virtual test includes: sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual process layer device receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the measurement and control to the process layer device; sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual measurement and control receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the process layer device to the measurement and control;

[0090] The specific method of measurement and control virtual-to-real test includes: sending process layer equipment GOOSE / SV signals and receiving measurement and control MMS signals through GOOSE / SV simulation and MMS client simulation, and automatically verifying the measurement and control device GOOSE / SV virtual connection configuration, digital quantity sampling accuracy, communication parameters, channel configuration and signal configuration correctness through signal association.

[0091] In the above scheme, the virtual-to-virtual test verifies the correctness of the configuration files such as virtual loops and interlocks at the measurement and control process layer. The virtual-to-real test verifies the correctness of the actual measurement and control functions and the configuration files such as virtual loops and interlocks at the process layer. The test time of single-interval measurement and control equipment is reduced from 3 hours to 15 minutes, greatly improving the correctness and efficiency of functional testing.

[0092] Preferably, Figure 2 As shown, a mirror simulation test method based on a substation monitoring system is used for the mirror simulation test system based on a substation monitoring system, comprising:

[0093] Import the test files that are consistent with the substation site, including SCD files, sequential control operation ticket files, measurement and control interlocking configuration files, and RCD files;

[0094] Trigger signals according to the sequence of the monitoring host database information, obtain alarm data records, and trigger signals according to the sequence of database information to complete the database signal automatic test;

[0095] Simulate sending the GOOSE signal of the process layer equipment to the measurement and control device, and receive the MMS signal forwarded by the measurement and control device to complete the automatic test of the GOOSE signal of the measurement and control device;

[0096] Simulate sending the GOOSE position signal of the bay layer equipment to the measurement and control device, and at the same time receive the GOOSE interlocking signal sent by the measurement and control device to complete the automatic test of the measurement and control interlocking logic;

[0097] Generate a one-key sequence control test library, send MMS signals to receive sequence control instructions to complete one-key sequence control automatic testing;

[0098] Based on the remote control device RCD file, the MMS signal is sent and the 104 signal is received to complete the automatic test of the remote control gateway configuration.

[0099] In the above scheme, the present invention improves the debugging security of the substation monitoring system. Through the mirror simulation test technology, a mirror debugging platform consistent with the actual operating environment of the substation monitoring system is constructed to realize offline twin debugging and online lossless restoration. All debugging work of the substation monitoring system is mirrored to the debugging platform. No power outage is required for on-site debugging, which solves the on-site debugging problems such as interlocking and one-key ticket control of live equipment in the reconstruction and expansion of substations in operation.

[0100] According to one embodiment provided by the present application, Figure 3 As shown, a mirror debugging platform consistent with the actual operating environment of the substation monitoring system is arranged at the substation site; the configuration after mirror debugging is restored to the actual equipment on site; the logical links and physical links of the mirror debugging platform are checked; actual trigger signals are obtained from the monitoring background, master station, interval layer equipment, and actual primary equipment; image information, 104 messages, MMS messages, GOOSE messages, and SV messages are intercepted to verify the correctness of the overall configuration of the monitoring system and the message flow. If the correctness meets the requirements of the substation, it is put into operation.

[0101] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A mirror simulation test system based on a substation monitoring system, characterized in that: It includes a simulation module and a test module; wherein the simulation module includes a process layer simulation submodule, an interval layer simulation submodule and a dispatching master station simulation submodule; the test module includes a monitoring host test submodule, a one-button sequence control test submodule, a communication gateway test submodule and a measurement and control device test submodule; The process layer simulation submodule is used to construct a measurement and control simulation device to simulate the measurement and control device; The bay layer simulation submodule is used to simulate the IED equipment of the substation monitoring system, including the mirror monitoring host and the sequential control host; The dispatching master station simulation submodule is used to realize the mirror simulation of the input and output information of the telecontrol device according to the telecontrol device; The monitoring host test submodule is used to implement the test of the monitoring host database; The communication gateway machine test submodule is used to implement the communication gateway machine association mapping verification; The test submodule of the measurement and control device is used to implement functional testing of the test device; The one-key sequence control test submodule is used to implement a one-key sequence control test of the sequence control host.

2. A mirror simulation test system based on a substation monitoring system according to claim 1, characterized in that: The monitoring host test submodule obtains the monitoring host background screen file, communicates with the monitoring host through the IED device of the MMS mirror simulation interval layer, performs MMS signal change trigger simulation based on the information sequence described in the database file, and imports the information change record of the monitoring host, automatically compares the consistency of the MMS signal and the signal recorded in the change record file, and tests the monitoring host database.

3. A mirror simulation test system based on a substation monitoring system according to claim 2, characterized in that: The specific method of testing the monitoring host database includes: Obtain the database point table file of the mirror monitoring host, parse and obtain the measurement point information; Compare the database point table file with the IED capability description file model of the measurement and control simulation device, and generate comparison results by comparing the measurement point index and name description of all data objects; According to the measurement point sequence in the database point table file or SCD file called from the monitoring host, the data replacement service is used to send data replacement commands to the measurement and control simulation device point by point; The measurement and control simulation device responds to the data replacement command, and the replaced data object of the measurement and control simulation device is uploaded to the mirror monitoring host through the reporting service; The mirror monitoring host receives the position change signal to generate a replacement data record file; Compare the replacement data record file with the trigger record, generate the comparison results, and output the debugging report.

4. The mirror simulation test system based on the substation monitoring system according to claim 1 is characterized in that: The one-button sequence control test submodule communicates with the sequence control host through the IED device of the MMS mirror simulation interval layer, sends MMS signals to the sequence control host, receives remote control commands issued by the sequence control host and feeds back action result signals to realize one-button sequence control test.

5. The mirror simulation test system based on the substation monitoring system according to claim 4 is characterized in that: The specific method of the one-button sequential control test includes: Parse the standard format device status and operation ticket files exported by the monitoring host, and build a test ticket library for operation tickets; Select the operation ticket, trigger the MMS signal through the IED device of the MMS mirror simulation bay layer, and test the correctness of the operation ticket configuration; The simulation measurement and control device, according to the virtual trigger signal of the source state of the operation ticket to be debugged, makes the signal state of the corresponding operation ticket interval on the mirror monitoring host meet the source state judgment condition, and enters the operation ticket operation process monitoring state at the same time; Retrieve the corresponding operation ticket task of the mirror monitoring host, make the operation ticket enter the operation execution state, and issue single-step control instructions to the measurement and control simulation device; Obtain the single-step operation instructions received by the measurement and control simulation device, extract the control object, compare it with the single-step operation object of the corresponding operation ticket, and verify the correctness of the signal configuration.

6. The mirror simulation test system based on the substation monitoring system according to claim 1 is characterized in that: The point-to-point test method for the telecontrol information of the communication gateway test submodule is completed by virtual machine A and virtual machine B; virtual machine A mirrors the IED equipment and the main station front of the interval layer, that is, the MMS server and the 104 client, and virtual machine B mirrors the telecontrol device, that is, the MMS client and the 104 server; virtual machine A and virtual machine B both import RCD files, SCD files and monitoring information transfer tables, and virtual machine A sends an MMS signal to virtual machine B, and virtual machine B converts the received MMS signal into a 104 signal according to the mapping relationship of the RCD file and sends it to virtual machine A, forming a closed-loop test environment to verify the effectiveness of the RCD file configuration.

7. A mirror simulation test system based on a substation monitoring system according to claim 6, characterized in that: The specific method of the communication gateway machine mirror test includes remote signaling test, telemetry test and remote control test; The specific method of telesignal test includes: triggering MMS telesignal position change in sequence according to the action-reset mode based on the point table sequence, and automatically judging whether the forwarding configuration of the telecontrol device is correct according to the received 104 signal; for the real telesignal of negation, triggering MMS telesignal position change in the reset-action mode; for the real telesignal of synthetic signal, screening all synthetic signals separately, and performing synthetic signal logic test by resetting the total signal and triggering the sub-signals in sequence; for the virtual telesignal of communication interruption, screening all virtual telesignals separately, and triggering the communication interruption in sequence to perform the automatic test of the virtual telesignal; The specific method of telemetry test includes: triggering MMS telemetry changes in ascending order based on the point number sequence, automatically judging whether the telecontrol device forwarding configuration is correct according to the received 104 signal; for forwarding configurations with coefficients and offset parameters, automatically back-calculating the original value triggered by the expected sending value; for telemetry configurations with synthetic signal generation, separately filtering out the synthetic signal telemetry list, and automatically performing synthetic signal logic testing; The specific method of remote control test includes: automatically triggering 104 remote control instructions based on the point number sequence, the mirrored simulated MMS server returns an execution success instruction after receiving the remote control instruction, and automatically judging whether the remote control forwarding configuration is correct according to the remote control instruction corresponding to the point number, thereby realizing automatic testing of the remote control forwarding table.

8. The mirror simulation test system based on the substation monitoring system according to claim 1 is characterized in that: The measurement and control device test submodule realizes the test for the bay layer measurement and control device by mirroring and simulating the MMS client, simulating the sending of GOOSE / SV messages, and simulating the receiving of GOOSE messages.

9. The mirror simulation test system based on the substation monitoring system according to claim 8 is characterized in that: The specific method of testing the submodule of the measurement and control device includes interlocking logic test, measurement and control virtual connection configuration test, measurement and control virtual-to-virtual test and measurement and control virtual-to-real test; The specific method of the interlocking logic test includes: simulating the GOOSE signal of the measurement and control device to be tested through GOOSE, and receiving the GOOSE interlocking signal sent by the measurement and control device to realize the interlocking logic test of the measurement and control device; The specific method of the measurement and control virtual connection configuration test includes: sending the process layer device GOOSE / SV signal, receiving the measurement and control MMS signal, and automatically verifying the correctness of the measurement and control device GOOSE / SV virtual connection configuration and signal configuration through signal correlation through GOOSE / SV simulation and MMS client simulation; The specific method of the measurement and control virtual-to-virtual test includes: sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual process layer device receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the measurement and control to the process layer device; sending a GOOSE signal of a process layer device through GOOSE simulation, and the virtual measurement and control receiving the above GOOSE signal, thereby completing the virtual-to-virtual test of the GOOSE signal from the process layer device to the measurement and control; The specific method of measurement and control virtual-to-real test includes: sending process layer equipment GOOSE / SV signals and receiving measurement and control MMS signals through GOOSE / SV simulation and MMS client simulation, and automatically verifying the measurement and control device GOOSE / SV virtual connection configuration, digital quantity sampling accuracy, communication parameters, channel configuration and signal configuration correctness through signal association.

10. A mirror simulation test method based on a substation monitoring system, used in a mirror simulation test system based on a substation monitoring system as claimed in any one of claims 1 to 9, characterized in that: include: Import the test files that are consistent with the substation site, including SCD files, sequential control operation ticket files, measurement and control interlocking configuration files, and RCD files; Trigger signals according to the sequence of the monitoring host database information, obtain alarm data records, and trigger signals according to the sequence of database information to complete the database signal automatic test; Simulate sending the GOOSE signal of the process layer equipment to the measurement and control device, and receive the MMS signal forwarded by the measurement and control device to complete the automatic test of the GOOSE signal of the measurement and control device; Simulate sending the GOOSE position signal of the bay layer equipment to the measurement and control device, and at the same time receive the GOOSE interlocking signal sent by the measurement and control device to complete the automatic test of the measurement and control interlocking logic; Generate a one-key sequence control test library, send MMS signals to receive sequence control instructions to complete one-key sequence control automatic testing; Based on the remote control device RCD file, the MMS signal is sent and the 104 signal is received to complete the automatic test of the remote control gateway configuration.

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