Secondary operation and maintenance auxiliary device for intelligent substation

Abstract

The invention provides a secondary operation and maintenance auxiliary device for an intelligent substation, and the device comprises an information collection module, an information visual display module, and an information abnormity alarm module. The information acquisition module is used for acquiring and verifying the information of the secondary equipment of the intelligent substation; the information visual display module is used for visually displaying the obtained secondary equipment information of the intelligent substation according to the received control instruction; and the information abnormity alarm module is used for checking the secondary equipment of the transformer substation according to the obtained secondary equipment information of the intelligent transformer substation, determining a suspicious fault part according to a checking result, positioning a fault position in the secondary equipment information, and identifying and warning a fault condition. Visual monitoring of the secondary equipment soft pressing plate, the software version and the secondary virtual loop of the intelligent substation is achieved through secondary equipment modeling, optical fiber physical loop modeling and associated modeling.

Description

Technical Field

[0001] The present invention relates to the technical field of substation monitoring, and in particular to a secondary operation and maintenance auxiliary device for an intelligent substation. Background Art

[0002] The smart substation describes the secondary information connection relationship in the SCD file describing the configuration of the entire station system, and converts the traditional secondary drawings into SCD files based on XML language description. Compared with the visible and tangible terminals and hard connections of the traditional substation, the smart substation has been transformed into invisible and intangible virtual terminals and virtual connections, so the secondary circuit has undergone a fundamental change. The SCD file written in XML language has poor readability. During the operation and maintenance of the smart substation, the staff needs to use visualization software to master the secondary circuit of the smart substation. However, the visualization software function is not perfect. There is a single form of tree structure displaying IED equipment, and it is impossible to view the process layer GOOSE message and protection device pressure plate information at the same time. The action information of the external interface of the entire test process cannot be viewed at any time, and the action logic of the protection device cannot be fully judged. How to establish the relationship between the physical link and the virtual circuit, so as to locate the fault and identify the fault type, is a problem that needs to be solved in the smart substation. Summary of the invention

[0003] The purpose of the present invention is to propose a secondary operation and maintenance auxiliary device for a smart substation to solve the technical problem of how to establish a relationship between a physical link and a virtual circuit, and to perform fault location and fault type identification.

[0004] On the one hand, a secondary operation and maintenance auxiliary device for a smart substation is provided, comprising:

[0005] Information collection module, information visualization display module and information abnormality alarm module;

[0006] The information collection module is used to collect and verify the information of the secondary equipment of the smart substation;

[0007] The information visualization display module is used to visualize the acquired secondary equipment information of the smart substation according to the received control instructions;

[0008] The information abnormality alarm module is used to inspect the secondary equipment of the smart substation according to the acquired secondary equipment information of the smart substation, determine the suspected faulty components according to the inspection results, locate the fault location in the secondary equipment information, and identify and warn the fault situation.

[0009] Preferably, the information collection module is specifically used to collect CID files and CCD files of secondary equipment of smart substations, and perform file checks through a preset detection program, wherein the file check at least includes file semantic check, file address usage range check, file IP legitimacy check, MAC address uniqueness check and naming standard check.

[0010] Preferably, the information collection module is also used to decompose the smart devices into corresponding logical nodes according to the preset functions of the smart devices in the smart substation, and encapsulate the logical nodes according to the corresponding data objects and attributes.

[0011] Preferably, the information collection module is also used to establish a corresponding abstract communication service interface for the encapsulated logical node;

[0012] The abstract communication service interface is used to implement the information exchange service of the logical node, map the information exchange service of the logical node to the smart device list of the smart substation, and establish the smart device list information model.

[0013] Preferably, the information visualization display module is specifically used to extract device information and secondary virtual circuit information from CID and CCD files of secondary equipment of the smart substation, and to visualize the extraction results.

[0014] Preferably, the information visualization display module is also used to verify whether the connection of the secondary virtual circuit information is correct according to the preset configuration of the smart substation. If correct, the network topology diagram is obtained and the network topology diagram is tested to see whether it operates normally.

[0015] Preferably, the information visualization display module is also used to obtain heartbeat message information and verify the heartbeat message information. If qualified, the CCD file and the CID file are verified according to the communication configuration.

[0016] Preferably, the information visualization display module is also used to parse the CID file and CCD file after successful verification to obtain the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation;

[0017] According to the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation, the optical fiber physical circuit is modeled to obtain a list of smart devices in the smart substation, and the virtual terminal is matched with the modeled optical fiber physical circuit through the matching virtual circuit to obtain the secondary circuit of the smart substation.

[0018] Preferably, the information abnormality alarm module is specifically used to establish a communication status table between the virtual circuit and the real circuit, and monitor the communication status between the secondary loop virtual circuit and the real circuit;

[0019] If the status between the virtual and real circuits changes, the changed position will flash and be marked with color.

[0020] Preferably, it also includes:

[0021] Optical fiber interface, used to connect the monitoring device and monitor the opening and closing position change of the control block, and mark the control block with a preset color if there is a change in position;

[0022] The network cable interface is used to connect the monitoring device to monitor the current pressure plate information and display it.

[0023] In summary, the implementation of the embodiments of the present invention has the following beneficial effects:

[0024] The secondary operation and maintenance auxiliary device for smart substations provided by the present invention collects, verifies and analyzes CID and CCD files of secondary equipment, and uses secondary equipment modeling and optical fiber physical loop modeling association modeling to realize visual monitoring of soft pressure plates, software versions and secondary virtual circuits of secondary equipment in smart substations, locate switch displacements in secondary circuits, and classify specific displacements; in the work of regular inspection, maintenance, acceptance and fault finding of smart stations, the device is connected to the IED equipment of the smart station, and the pressure plate status, outlet status, smart terminal device version, CCD verification code, device entry and other information of the protection device can be intuitively displayed, thereby improving the efficiency of secondary operation and maintenance work such as regular inspection, inspection, commissioning acceptance and fault elimination of smart substations. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the present invention.

[0026] Figure 1 Schematic diagram of a secondary operation and maintenance auxiliary device for a smart substation in an embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] like Figure 1 FIG. 1 is a schematic diagram of an embodiment of a secondary operation and maintenance auxiliary device for a smart substation provided by the present invention. In this embodiment, it includes:

[0029] Information collection module, information visualization display module and information abnormality alarm module; the information collection module is used to collect and verify the information of the secondary equipment of the smart substation; the information visualization display module is used to visualize the acquired secondary equipment information of the smart substation according to the received control instructions; the information abnormality alarm module is used to inspect the secondary equipment of the substation according to the acquired secondary equipment information of the smart substation, and determine the suspected faulty components according to the inspection results, locate the fault location in the secondary equipment information, and identify and warn of the fault situation. It can be understood that the information collection module is used for information collection and verification of the secondary equipment of the smart substation; the information visualization display module is used to visualize the required information according to the acquired secondary equipment information of the smart substation; the information abnormality alarm module is used to inspect the suspected faulty components, locate the fault location in the secondary equipment information, and identify and warn of the fault situation during the visualization monitoring of the secondary equipment information of the smart substation.

[0030] In one embodiment, the information collection module is specifically used to collect CID files and CCD files of secondary equipment of smart substations, and perform file checks through a preset detection program, wherein the file check at least includes file semantics check, file address usage range check, file IP legitimacy check, MAC address uniqueness check and naming standard check. The information collection module is also used to decompose smart devices into corresponding logical nodes according to the preset functions of smart devices in smart substations, and encapsulate the logical nodes according to corresponding data objects and attributes. The information collection module is also used to establish a corresponding abstract communication service interface for the encapsulated logical nodes; wherein the abstract communication service interface is used to implement the information exchange service of the logical node, map the information exchange service of the logical node to the list of smart devices of the smart substation, and establish an intelligent device list information model. It can be understood that the information collection module collects CID and CCD files of secondary equipment of smart substations, and performs file checks, which specifically include file semantics, file address usage range, file IP legitimacy, MAC address uniqueness and naming standard checks. According to the functions of smart devices in smart substations, the smart devices are decomposed into corresponding logical nodes, and the logical nodes are encapsulated according to data objects and attributes, and abstract communication service interfaces are established for the encapsulated logical nodes.

[0031] In one embodiment, the information visualization display module is specifically used to extract device information and secondary virtual circuit information from CID and CCD files of secondary equipment of smart substation, and visualize the extraction results. The information visualization display module is also used to verify whether the connection of secondary virtual circuit information is correct according to the preset configuration of smart substation. If correct, obtain the network topology diagram and test whether the network topology diagram runs normally. The information visualization display module is also used to obtain heartbeat message information and verify the heartbeat message information. If qualified, verify the CCD file and CID file according to the communication configuration. The information visualization display module is also used to parse the CID file and CCD file after successful verification to obtain the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation; model the optical fiber physical circuit according to the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation, obtain the list of smart devices in the smart substation, and match the virtual terminal with the modeled optical fiber physical circuit through the matching virtual circuit to obtain the secondary circuit of the smart substation. Understandably, use parsing tools to analyze the CID and CCD files of the smart substation, extract device information and secondary virtual circuit information from the files, and display them visually. According to the configuration of the smart substation, verify whether the connection of the secondary return diagram is correct. If correct, obtain the network topology diagram and test whether the network topology diagram is running normally. According to the release information of the GOOSE message transmission line, obtain the heartbeat message information, verify the heartbeat message information, and determine whether it is qualified. If qualified, subscribe to the GOOSE message according to the communication configuration to complete the verification of the CCD and CID files. The visualization system parses the CID and CCD files, obtains the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation, models the optical fiber physical circuit, obtains the list of smart devices in the smart substation, and matches the virtual terminal with the modeled optical fiber physical circuit through the matching virtual circuit, and visualizes the secondary circuit of the smart substation.

[0032] In one embodiment, the information abnormality alarm module is specifically used to establish a communication status table between the virtual circuit and the real circuit, and monitor the communication status between the virtual circuit and the real circuit of the secondary circuit; if the status between the virtual circuit and the real circuit changes, the changed position flashes and is marked with a color. Understandably, based on the information visualization subsystem, a communication status table between the virtual circuit and the real circuit is established, the communication status between the virtual circuit and the real circuit of the secondary circuit is monitored, and all virtual and real circuits of the secondary device are traversed. If the status of the virtual circuit and the real circuit changes, it flashes and distinguishes the color, reminding the staff to check whether it is an abnormal state, and double-click to confirm after verification.

[0033] One embodiment further includes a fiber optic interface for connecting a monitoring device, monitoring the separation and combination of the control block, and marking the control block with a preset color; and a network cable interface for connecting a monitoring device, monitoring the current pressure plate information and displaying it. The fiber optic interface connects the monitoring device to the fiber optic loop of the process layer to monitor the separation and combination of the GOOSE control block. For the control block with a displacement, the device will use color as a distinction, so as to achieve the purpose of visual monitoring of the GOOSE control block. The network cable interface connects the monitoring device to the MMS loop of the station control layer to monitor the current pressure plate information and display it, so as to achieve the purpose of visual monitoring of the protection of the current pressure plate. At the same time, the CRC check code of the protection and intelligent terminal can also be checked through MMS information reading to achieve the purpose of version verification.

[0034] In a specific embodiment, for real-time display of messages, the optical fiber access protection device GOOSE outlet is accessed, the GOOSE display device is selected to automatically scan the optical network port GOOSE messages, and the display associated channel instruction is input to display only the channels associated with all control blocks, and all channels of all control blocks are displayed.

[0035] Take the single point type as an example, the single point type 0 (false) is green, 1 (true) is red, it flashes red when it changes from 0 to 1, and flashes green when it changes from 1 to 0. Double-click the state to clear the flash, and enter the clear flash command to clear the flash state of all GOOSE control blocks.

[0036] After importing the SCD file, you can select the GOOSE display in the visual monitoring to run and view the current status and historical displacement information of GOOSE.

[0037] For the display of the pressure plate status and version information, the configuration files of the protection device, intelligent terminal and switch are directly read and parsed to obtain the data model of the above IED devices. After establishing an association with the protection device, the current value of the dsRelayEna data set in the protection device is actively obtained. The functional interface is implemented in the form of graphic element display, one indicating that the soft pressure plate telesignal value is 1, and the other indicating that the soft pressure plate telesignal value is 0. Change the trigger condition of the brcbRelayEna report service to data-change, and the data value change triggers the report service to refresh the soft pressure plate status in time. After importing the SCD file, you can choose to visually monitor the pressure plate display, run and view the current status of the pressure plate.

[0038] The version information shows that the client sends a Read service request report and obtains the current value of the accessed data according to the following address:

[0039] The software version of the protection device refers to the data PhyNam in the logical node LPHD1 under the logical device LD0 of the protection device, and the "CRC in SCD" refers to the data SASPinCrc in the logical node LPHD1 under the logical device LD0 of the protection device, and the "virtual terminal CRC" refers to the data IEDPinCrc in the logical node LPHD1 under the logical device LD0 of the protection device. The switch software version refers to the data SWVersion in the logical node LLN0 under the logical device SW1 of the protection device. The software version of the intelligent terminal refers to the data IntIn2 in the logical node VerGGIO1 under the logical device RPIT of the protection device, and the "virtual terminal CRC" refers to the data IntIn1 in the logical node VerGGIO1 under the logical device RPIT of the protection device. After importing the SCD file, select View Version in "Visual Monitoring" and click "Run" to run the device and view the corresponding version information

[0040] In summary, the implementation of the embodiments of the present invention has the following beneficial effects:

[0041] The secondary operation and maintenance auxiliary device for smart substations provided by the present invention collects, verifies and analyzes CID and CCD files of secondary equipment, and uses secondary equipment modeling and optical fiber physical loop modeling association modeling to realize visual monitoring of soft pressure plates, software versions and secondary virtual circuits of secondary equipment in smart substations, locate switch displacements in secondary circuits, and classify specific displacements; in the work of regular inspection, maintenance, acceptance and fault finding of smart stations, the device is connected to the IED equipment of the smart station, and the pressure plate status, outlet status, smart terminal device version, CCD verification code, device entry and other information of the protection device can be intuitively displayed, thereby improving the efficiency of secondary operation and maintenance work such as regular inspection, inspection, commissioning acceptance and fault elimination of smart substations.

[0042] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A secondary operation and maintenance auxiliary device for a smart substation, characterized in that: include: Information collection module, information visualization display module and information abnormality alarm module; The information collection module is used to collect and verify the information of the secondary equipment of the smart substation; The information visualization display module is used to visualize the acquired secondary equipment information of the smart substation according to the received control instructions; The information abnormality alarm module is used to inspect the secondary equipment of the substation according to the acquired secondary equipment information of the smart substation, determine the suspected faulty components according to the inspection results, locate the fault position in the secondary equipment information, and identify and warn the fault situation.

2. The device according to claim 1, characterized in that The information collection module is specifically used to collect CID files and CCD files of secondary equipment of smart substations, and perform file checks through a preset detection program, wherein the file check at least includes file semantic check, file address usage range check, file IP legitimacy check, MAC address uniqueness check and naming standard check.

3. The device according to claim 2, characterized in that The information collection module is also used to decompose the smart devices into corresponding logical nodes according to the preset functions of the smart devices in the smart substation, and encapsulate the logical nodes according to the corresponding data objects and attributes.

4. The device according to claim 3, characterized in that The information collection module is also used to establish a corresponding abstract communication service interface for the encapsulated logical node; The abstract communication service interface is used to implement the information exchange service of the logical node, map the information exchange service of the logical node to the smart device list of the smart substation, and establish the smart device list information model.

5. The device according to claim 4, characterized in that The information visualization display module is specifically used to extract device information and secondary virtual circuit information from CID and CCD files of secondary equipment in the smart substation, and to visualize the extraction results.

6. The device according to claim 5, characterized in that The information visualization display module is also used to verify whether the connection of the secondary virtual circuit information is correct according to the preset configuration of the smart substation. If correct, the network topology diagram is obtained and the network topology diagram is tested to see whether it is running normally.

7. The device according to claim 6, characterized in that The information visualization display module is also used to obtain heartbeat message information and verify the heartbeat message information. If qualified, the CCD file and the CID file are verified according to the communication configuration.

8. The device according to claim 7, characterized in that The information visualization display module is also used to parse the CID file and CCD file after successful verification to obtain the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation; According to the physical hierarchy relationship and optical fiber connection relationship of the secondary circuit of the smart substation, the optical fiber physical circuit is modeled to obtain a list of smart devices in the smart substation, and the virtual terminal is matched with the modeled optical fiber physical circuit through a matching virtual circuit to obtain the secondary circuit of the smart substation.

9. The device according to claim 8, characterized in that The information abnormality alarm module is specifically used to establish a communication status table between the virtual circuit and the real circuit, and monitor the communication status between the secondary loop virtual circuit and the real circuit; If the status between the virtual and real circuits changes, the changed position will flash and be marked with color.

10. The device according to claim 1, characterized in that Also includes, Optical fiber interface, used to connect the monitoring device and monitor the opening and closing position change of the control block, and mark the control block with a preset color if there is a change in position; The network cable interface is used to connect the monitoring device to monitor the current pressure plate information and display it.

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