CN113917247A - 5G-based transformer substation distributed digital-analog integrated testing device and method - Google Patents
5G-based transformer substation distributed digital-analog integrated testing device and method Download PDFInfo
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Abstract
The invention discloses a testing device and a testing method for a distributed digital-analog integration of a transformer substation based on 5G, which comprises an interface interaction module, a logic control module, an interconnection synchronization module, a 5G communication module, a hardware interface control module and a hardware interface module, and realizes a testing method for multi-point addition and multi-point acquisition of feedback signals by synchronously connecting all testing devices, thereby expanding various testing scenes.
Description
Technical Field
The invention relates to the technical field of transformer substation testing, in particular to a transformer substation distributed digital-analog integrated testing device and method based on 5G.
Background
The power grid secondary device can monitor and protect the primary equipment of the transformer substation. The stable operation of the secondary devices of the power grid is of great importance to the safety of the transformer substation, the secondary devices need to be tested regularly, potential safety hazards are eliminated, and the power grid faults caused by the faults of the secondary devices are avoided. When the existing test method and test device need to cooperatively apply excitation at multiple places, the excitation is applied by a single point in each test state, and the results are observed at the other points. If excitation needs to be applied simultaneously, multiple persons are needed to cooperatively operate each test method and each test device, the test methods and the test devices are unrelated, the judgment of results needs to depend on manual judgment, closed-loop automatic test cannot be formed, and if the applied excitation needs to be matched with time and phase, the simultaneous application of the excitation cannot be finished. Therefore, the current testing method and testing device have obvious difficulty in dealing with multi-site testing environments.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
integrative testing arrangement of transformer substation's distributing type digifax based on 5G, its characterized in that: the system comprises an interface interaction module, a logic control module, an interconnection synchronization module, a 5G communication module, a hardware interface control module and a hardware interface module; the interface interaction module is used for acquiring data to be displayed from the logic control module and displaying an interaction interface on a screen to complete data display and realize man-machine interaction; the logic control module is used for finishing data display and man-machine interaction with the interface interaction module, finishing data control and interface mapping of excitation and feedback signals with the hardware interface control module, and realizing a synchronous test function among a plurality of test devices with the interconnection synchronous module; the interconnection synchronization module is used for realizing a synchronization function among the plurality of test devices with the 5G communication module, realizing a data transmission control function among the plurality of test devices with the logic control module, and finishing data output mapping to hardware interfaces of the respective test devices with the hardware interface control module; the 5G communication module is used for connecting a 5G network to realize accurate time synchronization and is used for realizing connection communication among a plurality of testing devices with the interconnection synchronization module; the hardware interface control module is used for the logic control module to complete data mapping hardware interfaces, receiving output data corresponding to the hardware interfaces of the respective testing devices with the interconnection synchronization module and completing interface data receiving and sending functions with the hardware interface module; the hardware interface module is used for the hardware interface control module to complete the interface data receiving and transmitting function.
Preferably, the 5G communication module is connected with a 5G independent networking network, so that accurate time setting of the testing device is realized, and the time setting precision is nanosecond.
The transformer substation distributed digital-analog integrated synchronous testing device based on 5G comprises a plurality of testing devices; the logic control module of one of the testing devices transmits the parameters to the interconnection synchronization module to complete synchronous connection, and then the testing device is a first testing device, the first testing device synchronizes the logic control module to the logic control modules of other testing devices through the interconnection synchronization module, the interconnection synchronization modules of the other testing devices are connected through the 5G communication module, and feedback signals received by the interconnection synchronization module are transmitted to the interconnection synchronization module of the first testing device; after the first testing device is synchronously connected with the rest testing devices, the logic control module is disconnected from the hardware interface control module, the interconnection synchronization module of the first testing device transmits a feedback signal to the logic control module through the interconnection synchronization modules of the other devices, the logic control module transmits excitation to the interconnection synchronization module, and the interconnection synchronization modules of the other testing devices screen out corresponding excitation signals of the testing device from all the excitation and then map the excitation signals to the hardware interface control module; the hardware interface module controls the output of the stimulus.
Preferably, the 5G communication module matches other testing devices according to the parameters of the first testing device, and the 5G communication module establishes connection communication between the first testing device and other testing devices by using the URLLC network slice of the 5G independent networking network.
Preferably, the logic control module of the first testing device is synchronized with the logic control modules of the other testing devices, and then the interface interaction module displays and controls the testing devices in a unified manner.
A transformer substation distributed digital-analog integrated test method based on 5G comprises the following steps:
a. placing a testing device in at least one place, connecting the testing device with interlayer equipment or process equipment to be tested, and accessing the testing device into a station control layer network switch or a process layer network switch;
b. selecting one of the test devices as a first test device, inputting the communication parameters of other test devices into the first test device, and completing the synchronous interconnection of the first test device and the other test devices;
c. importing SCD files of one or more transformer substations in the interface interaction module, analyzing the SCD files, and completing GOOSE/SV/MMS configuration;
d. selecting a test function, finishing output excitation, feedback signals and logic judgment configuration, and carrying out port mapping;
e. starting a test, wherein the first test device controls all the test devices to finish respective excitation output;
f. in the test process, all the test devices collect all the feedback signals to the logic control module of the first test device;
g. and the logic control module of the first testing device judges the test result according to the feedback signal.
The invention has the beneficial effects that: 1. the invention can realize the test method of multi-point addition and multi-point acquisition feedback signals, and is not influenced by distance and channels;
2. the invention expands various test scenes.
Drawings
FIG. 1 is a schematic view of a testing apparatus according to the present invention.
FIG. 2 is a schematic diagram of the synchronization of the testing apparatus of the present invention.
FIG. 3 is a schematic view of the method of the present invention.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Example one
The transformer substation distributed digital-analog integrated testing device based on the 5G comprises an interface interaction module, a logic control module, an interconnection synchronization module, a 5G communication module, a hardware interface control module and a hardware interface module; the interface interaction module is used for acquiring data to be displayed from the logic control module and displaying an interaction interface on a screen to complete data display and realize man-machine interaction;
the data required to be displayed by the interface interaction module comprise SCD analysis results, configuration parameters, a functional interface, excitation output data and feedback signals. The SCD analysis result comprises an SCD device list, SCD virtual circuit connection and the like; the configuration parameters comprise the number of testing devices, communication parameters and the like; the functional interface comprises a test module selection interface, a multi-device communication condition interface, a test flow editing interface, a test flow execution interface and the like; the excitation output data comprises output analog quantity, GOOSE/SV message, an output node, MMS signals, 104 signals and the like; the feedback signal comprises an input GOOSE/SV message, an access node, an MMS signal, a 104 signal and the like. The interface needing interaction of the interface interaction module comprises a control SCD file import interface; the interface interaction module configures parameters of the test devices, including the number of the test devices, communication parameters of the other test devices, selection of a first test device and the like; the interface interaction module selects test functions including differential protection test, stability control device test, state sequence and the like; the configuration parameters of the interface interaction module comprise GOOSE/SV control block setting, MMS client setting, MMS server setting and the like; the interface interaction module controls the test process to start the test flow, interrupt the test flow, end the test flow and the like; the interface interaction module controls excitation, including analog quantity output control, GOOSE/SV message output control, MMS signal output control and the like.
The logic control module is used for finishing data display and man-machine interaction with the interface interaction module, finishing data control and interface mapping of excitation and feedback signals with the hardware interface control module, and realizing a synchronous test function among a plurality of test devices with the interconnection synchronous module. The logic control module is used for integrally controlling the test device and comprises the steps of analyzing an SCD file, controlling the test flow sequence, controlling excitation output, analyzing and logically judging a received feedback signal and controlling the rest test devices; the logic control module and the hardware interface control module complete interface mapping of a data control box of excitation and feedback signals, the excitation and feedback signals needing to be output are distributed to the hardware interface, analog quantity needing to be output is mapped to a voltage and current output interface of the testing device, output or input GOOSE/SV is mapped to an optical port of the testing device, an output node is mapped to an open node of the testing device, an input node is mapped to an open node of the testing device, and output or input MMS signals are mapped to an electrical port of the testing device. After the interface mapping is completed, the logic control module outputs the excitation to be output through the hardware interface control module by using the corresponding hardware interface, and the logic control module also receives the feedback signal through the hardware interface control module by using the corresponding hardware interface.
The interconnection synchronization module is used for realizing a synchronization function among the plurality of test devices with the 5G communication module, realizing a data transmission control function among the plurality of test devices with the logic control module, and finishing data output mapping to hardware interfaces of the respective test devices with the hardware interface control module;
the 5G communication module is used for connecting a 5G network to realize accurate time synchronization and is used for realizing connection communication among a plurality of testing devices with the interconnection synchronization module;
the hardware interface control module is used for the logic control module to complete data mapping hardware interfaces, receiving output data corresponding to the hardware interfaces of the respective testing devices with the interconnection synchronization module and completing interface data receiving and sending functions with the hardware interface module;
the hardware interface module is used for the hardware interface control module to complete the interface data receiving and transmitting function. The hardware interface module is provided with an analog quantity interface used for sending analog current quantity and analog voltage quantity, an electric LAN interface used for receiving and sending MMS information and 104 messages, RS485 and RS232 serial ports used for receiving and sending serial port protocol messages, an optical port used for receiving and sending GOOSE/SV messages, an optical serial port used for sending time synchronization and FT3 messages, an optical serial port used for receiving time synchronization and FT3 messages, an output interface used for output sending, and the hardware interface further comprises a USB interface, an HDMI interface, a charging interface, a detachable lithium battery, a key and screen hardware facilities.
The 5G communication module is connected with a 5G independent networking network, and the time synchronization precision is nanosecond. The 5G communication module is connected with the 5G independent networking network, and the accurate time setting of the testing device is realized by means of the high-precision time service function of the 5G independent networking network base station, and the time setting precision is in a nanosecond level.
The transformer substation distributed digital-analog integrated synchronous testing device based on 5G comprises a testing device; the logic control module of one of the testing devices transmits the parameters to the interconnection synchronization module to complete synchronous connection, and then the testing device is a first testing device, the first testing device synchronizes the logic control module to the logic control modules of other testing devices through the interconnection synchronization module, the interconnection synchronization modules of the other testing devices are connected through the 5G communication module, and feedback signals received by the interconnection synchronization module are transmitted to the interconnection synchronization module of the first testing device; after the first testing device is synchronously connected with the rest testing devices, the logic control module is disconnected from the hardware interface control module, the interconnection synchronization module of the first testing device transmits a feedback signal to the logic control module through the interconnection synchronization modules of the other devices, the logic control module transmits excitation to the interconnection synchronization module, and the interconnection synchronization modules of the other testing devices screen out corresponding excitation signals of the testing device from all the excitation and then map the excitation signals to the hardware interface control module; the hardware interface module controls the output of the stimulus. When the synchronous connection is not used, the hardware interface control module refuses to exchange information with the interconnection synchronous module.
The 5G communication module matches other testing devices according to the parameters of the first testing device, the 5G communication module establishes connection communication between the first testing device and other testing devices by using a URLLC network slice of a 5G independent networking network, and end-to-end delay is millisecond level.
After the logic control module of the first testing device is synchronized with the logic control modules of other testing devices, the interface interaction module displays and controls the testing devices in a unified mode.
A transformer substation distributed digital-analog integrated test method based on 5G comprises the following steps:
a. placing a testing device in at least one place, connecting the testing device with interlayer equipment or process equipment to be tested, and accessing the testing device into a station control layer network switch or a process layer network switch;
b. selecting one of the test devices as a first test device, inputting the communication parameters of other test devices into the first test device, and completing the synchronous interconnection of the first test device and the other test devices;
c. importing SCD files of one or more transformer substations in the interface interaction module, analyzing the SCD files, and completing GOOSE/SV/MMS configuration; completing GOOSW control block configuration, GOOSE data set channel configuration, SV control block configuration, SV data set channel configuration, MMS server configuration and MMS client configuration according to test requirements;
d. selecting a test function, finishing output excitation, feedback signals and logic judgment configuration, and carrying out port mapping; selecting a test function to enter, regarding all test devices as a whole, finishing configuration work of excitation according to test requirements, wherein the configuration work comprises the steps of outputting a direct current power supply, outputting analog quantity, sending a GOOSE signal, sending SV digital quantity, sending an MMS signal, conventionally opening a node and sending an FT3 message, then finishing configuration work of receiving a feedback signal according to the test requirements based on all test devices, receiving the GOOSE signal, receiving the SV digital quantity, receiving the MMS signal, conventionally opening the node and receiving the FT3 message; and editing the judgment logic of the feedback signals according to the test requirements, controlling the flow of the test function according to the judgment logic, and finally distributing each excitation and feedback signal to the port of the corresponding test device according to the deployment environment of the test device according to the test requirements to complete the port mapping device of the excitation and feedback signals.
e. Starting a test, wherein the first test device controls all the test devices to finish respective excitation output; the logic control module of each test device transmits the excitation to be output to the interconnection synchronization module of each test device, the interconnection synchronization module reserves the excitation corresponding to the hardware interface of each test device and transmits the excitation to the hardware interface control module, and each hardware interface control module controls the corresponding hardware interface to output the excitation to the interlayer equipment or the process layer equipment to be tested.
f. In the test process, all the test devices collect all the feedback signals to the logic control module of the first test device; and a feedback signal is returned from the interval layer equipment or the process layer equipment to be tested, the hardware interface module of each testing device gives the feedback signal to each interconnection synchronization module, the interconnection synchronization module of the testing device except the control host transmits the received feedback signal to the interconnection synchronization module of the first testing device, and the interconnection synchronization module of the first testing device transmits all the feedback signals to the logic control module of the first testing device.
g. And the logic control module of the first testing device judges the test result according to the feedback signal. The logic control module of the first testing device can analyze all the feedback signals, realize logic judgment work on all the feedback signals, and control the testing process according to the logic judgment structure or output the testing result according to the logic judgment result.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
Claims (6)
1. Integrative testing arrangement of transformer substation's distributing type digifax based on 5G, its characterized in that: the system comprises an interface interaction module, a logic control module, an interconnection synchronization module, a 5G communication module, a hardware interface control module and a hardware interface module;
the interface interaction module is used for acquiring data to be displayed from the logic control module and displaying an interaction interface on a screen to complete data display and realize man-machine interaction;
the logic control module is used for finishing data display and man-machine interaction with the interface interaction module, finishing data control and interface mapping of excitation and feedback signals with the hardware interface control module, and realizing a synchronous test function among a plurality of test devices with the interconnection synchronous module;
the interconnection synchronization module is used for realizing a synchronization function among the plurality of test devices with the 5G communication module, realizing a data transmission control function among the plurality of test devices with the logic control module, and finishing data output mapping to hardware interfaces of the respective test devices with the hardware interface control module;
the 5G communication module is used for connecting a 5G network to realize accurate time synchronization and is used for realizing connection communication among a plurality of testing devices with the interconnection synchronization module;
the hardware interface control module is used for the logic control module to complete data mapping hardware interfaces, receiving output data corresponding to the hardware interfaces of the respective testing devices with the interconnection synchronization module and completing interface data receiving and sending functions with the hardware interface module;
the hardware interface module is used for the hardware interface control module to complete the interface data receiving and transmitting function.
2. The 5G-based substation distributed digital-analog integrated test device according to claim 1, characterized in that: the 5G communication module is connected with the 5G independent networking network, so that accurate time synchronization of the testing device is realized, and the time synchronization precision is in a nanosecond level.
3. Integrative synchronous testing arrangement of transformer substation's distributing type digifax based on 5G, its characterized in that: comprising a plurality of test devices of claim 1;
the logic control module of one of the testing devices transmits the parameters to the interconnection synchronization module to complete synchronous connection, and then the testing device is a first testing device, the first testing device synchronizes the logic control module to the logic control modules of other testing devices through the interconnection synchronization module, the interconnection synchronization modules of the other testing devices are connected through the 5G communication module, and feedback signals received by the interconnection synchronization module are transmitted to the interconnection synchronization module of the first testing device;
after the first testing device is synchronously connected with the rest testing devices, the logic control module is disconnected from the hardware interface control module, the interconnection synchronization module of the first testing device transmits a feedback signal to the logic control module through the interconnection synchronization modules of the other devices, the logic control module transmits excitation to the interconnection synchronization module, and the interconnection synchronization modules of the other testing devices screen out corresponding excitation signals of the testing device from all the excitation and then map the excitation signals to the hardware interface control module;
the hardware interface module controls the output of the stimulus.
4. The 5G-based transformer substation distributed digital-analog integrated synchronous testing device according to claim 3, characterized in that: the 5G communication module matches other testing devices according to the parameters of the first testing device, and the 5G communication module establishes connection communication between the first testing device and other testing devices by utilizing the URLLC network slice of the 5G independent networking network.
5. The 5G-based transformer substation distributed digital-analog integrated synchronous testing device according to claim 3, characterized in that: after the logic control module of the first testing device is synchronized with the logic control modules of other testing devices, the interface interaction module displays and controls the testing devices in a unified mode.
6. A transformer substation distributed digital-analog integrated test method based on 5G is characterized by comprising the following steps:
a. placing a testing device in at least one place, connecting the testing device with interlayer equipment or process equipment to be tested, and accessing the testing device into a station control layer network switch or a process layer network switch;
b. selecting one of the test devices as a first test device, inputting the communication parameters of other test devices into the first test device, and completing the synchronous interconnection of the first test device and the other test devices;
c. importing SCD files of one or more transformer substations in the interface interaction module, analyzing the SCD files, and completing GOOSE/SV/MMS configuration;
d. selecting a test function, finishing output excitation, feedback signals and logic judgment configuration, and carrying out port mapping;
e. starting a test, wherein the first test device controls all the test devices to finish respective excitation output;
f. in the test process, all the test devices collect all the feedback signals to the logic control module of the first test device;
g. and the logic control module of the first testing device judges the test result according to the feedback signal.
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2021
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