Modeling method and system for digital power transformation three-dimensional model

Abstract

The invention provides a digital power transformation three-dimensional model modeling method and system, and belongs to the technical field of modeling, and the method comprises the steps: determining the attribute information of a first device and a second device in a transformer substation; instantiating attribute information of the first equipment; instantiating attribute information of the second device; and inputting the instantiated attribute information of the first equipment and the instantiated attribute information of the second equipment into a three-dimensional model, carrying out three-dimensional modeling, and generating a self-described three-dimensional model. According to the digital substation three-dimensional model modeling method and system provided by the invention, the self-description capability of the digital substation three-dimensional model can be improved, so that the modeling efficiency and the model reuse rate are improved.

Description

Technical Field

[0001] The present disclosure belongs to the field of modeling technology, and more specifically, relates to a digital substation three-dimensional modeling method and system. Background Art

[0002] At present, in the process of 3D modeling of digital substation, the modeling team mainly completes the 3D model of the substation based on engineering drawings such as the substation civil construction completion drawings and electrical completion drawings, combined with on-site data collection. There is basically no description of business information in the model. For this reason, in the later rendering process of the 3D model in the digital substation, there is a lot of manual work on 3D model analysis, point alignment, and re-modeling to realize the control model. Therefore, the existing 3D modeling technology has insufficient mapping capabilities for the virtual space of the digital substation, and there is a problem of insufficient self-description capabilities of the 3D model of the digital substation. Summary of the invention

[0003] The purpose of the present disclosure is to provide a digital substation three-dimensional modeling method and system to enhance the self-description capability of the digital substation three-dimensional model, thereby improving the modeling efficiency and model reuse rate.

[0004] A first aspect of an embodiment of the present disclosure provides a method for modeling a digital substation three-dimensional model, comprising: Determining attribute information of a first device and a second device in a substation; Instantiating attribute information of the first device; Instantiating attribute information of the second device; The attribute information of the instantiated first device and the attribute information of the instantiated second device are input into a three-dimensional model to perform three-dimensional modeling to generate a self-describing three-dimensional model.

[0005] A second aspect of the embodiments of the present disclosure provides a digital substation three-dimensional modeling system, including: Determine information module: used to determine attribute information of the first device and the second device in the substation; A first module: used to instantiate attribute information of the first device; A second module: used to instantiate the attribute information of the second device; Three-dimensional model module: used to input the attribute information of the instantiated first device and the attribute information of the instantiated second device into the three-dimensional model, perform three-dimensional modeling, and generate a self-describing three-dimensional model.

[0006] According to a third aspect of an embodiment of the present disclosure, an electronic device is provided, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the steps of the above-mentioned method for modeling a three-dimensional digital substation model when executing the computer program.

[0007] In a fourth aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the above-mentioned method for modeling a three-dimensional model of a digital substation are implemented.

[0008] The beneficial effects of the digital substation three-dimensional modeling method and system provided by the embodiments of the present disclosure are: The disclosed embodiments solve the problem of insufficient self-description capability of the three-dimensional model of the digital substation, avoid a large amount of point matching and configuration work in the later stage, provide a model and data basis for the construction of the digital substation, and improve the substation modeling efficiency and model reuse rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, 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 disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0010] Figure 1 A schematic diagram of a process of a digital substation three-dimensional modeling method provided in an embodiment of the present disclosure; Figure 2 A structural block diagram of a digital substation three-dimensional modeling system provided by an embodiment of the present disclosure; Figure 3 A schematic block diagram of an electronic device provided by an embodiment of the present disclosure. DETAILED DESCRIPTION

[0011] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present disclosure. However, it should be clear to those skilled in the art that the present disclosure may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obstructing the description of the present disclosure with unnecessary details.

[0012] In order to make the purpose, technical solutions and advantages of the present disclosure more clear, specific embodiments will be described below in conjunction with the accompanying drawings.

[0013] Please refer to Figure 1 , Figure 1Schematic diagram of the process of the digital substation three-dimensional model modeling method provided by an embodiment of the present disclosure. The method includes: S101: Determine the attribute information of the first device and the second device in the substation.

[0014] In this embodiment, the attribute information includes spatial node attributes and connection relationship attributes. The first device is a key node device, where the key node device is a device that participates in electrical calculations in business applications. The second device is a parallel device and a series device, where such devices are devices for protecting and inductively collecting electrical information. Determining the attribute information of the first device and the second device in the substation can be achieved by defining the model type and connection points of the substation devices in three-dimensional space.

[0015] S102: Instantiate the attribute information of the first device.

[0016] In this embodiment, instantiate the attributes of the first device in the three-dimensional model, the connection points in three-dimensional space, and the attributes of the cables or wires between the devices.

[0017] Example of the E file after instantiating the attributes of the bus (Bus): <bus::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C / / Serial number Bus name Logical device name obj_id Device type code Voltage level Phase number Phase difference I end physical node AI end physical node BI end physical node C # 1 110kVI female 111kVI female 8cf3fa6c-f608-4342-a33d-6eb140938737 0311 AC 110kV three-phase ABC 138 367 598 -1 -1 -1 -1 -1 -1 -1 < / bus::jb> Example of the E file after instantiating the attributes of the main transformer (Transformer): <transformer::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phaseconnection_group_label I_node_A I_node_B I_node_C I_node_O J_node_A J_node_BJ_node_C J_node_O K_node_A K_node_B K_node_C / / Serial number Transformer name Logical device name obj_id Device type code Voltage level Phase number Phase difference Connection group number I end physical node AI end physical node BI end physical node CI end physical node OJ end physical node AJ end physical node BJ end physical node CJ end physical node OK end physical node AK end physical node BK end physical node C # 1 # 2 Main transformer # 2 Main transformer c3e5c7f3-84e4-4633-903d-4320d3904920 0301 AC 110kV three-phase ABCO YNd11 773 1006 1237 -1 697 930 1161 1391 -1 < / transformer::jb> Example of the E file after instantiating the attributes of the incoming line Acline: <acline::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase sub_type I_node_A I_node_B I_node_C J_node_A J_node_B J_node_C / / Serial number Incoming line name Logical device name obj_id Device type code Voltage level Phase number Phase difference Subtype I end physical node AI end physical node BI end physical node CJ end physical node AJ end physical node BJ end physical node C # 1 Zhuangxi II return A phase cable Zhuangxi II return cable 38596872-037e-4e15-9a64-1f7c193598330336 AC 110kV single phase A incoming line 222 -1 -1 918 -1 -1 < / acline::jb> Example of the E file after instantiating the attributes of the outgoing line Load: <load::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase sub_type I_node_A I_node_B I_node_C J_node_A J_node_B J_node_C / / Serial number, line name, logical device name, obj_id, device type code, voltage level, number of phases, phase difference, subtype, I end physical node, AI end physical node, BI end physical node, CJ end physical node, AJ end physical node, BJ end physical node, C # 1 West 1st Road A-phase cable West 1st Road 0d6cfe5b-1d98-4a36-927e-b17d912861ef 0336 AC 10kV single-phase A outgoing line 718 -1 -1 1500 -1 -1 < / load::jb> Example of the E file after instantiating the attributes of the shunt compensation device Compensator_P: <Compensator_P::JB type=full number> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C / / Serial number, shunt compensation name, logical device name, obj_id, device type code, voltage level, number of phases, phase, physical node A at the I end, physical node B at the I end, physical node C at the I end # 1 #2 capacitor #2 capacitor c04afc31-9c44-4e6a-94a6-9229d5696f86 0316 AC 10kV three-phase ABC 708 941 1172 < / Compensator_P::JB> Example of E file after instantiating the attributes of the series compensation device Compensator_S: <Compensator_S::JB type=full number> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C / / Serial number, series compensation name, logical device name, obj_id, device type code, voltage level, number of phases, phase, physical node A at I end, physical node B at I end, physical node C at I end # 1 #1 reactor #2 reactor c04afc31-9c44-4e6a-94a6-9229d5696f86 0314 AC 10kV three-phase ABC 708 941 1172 < / Compensator_P::JB> Example of E file after instantiating the attributes of the circuit breaker Breaker: <breaker::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C J_node_A J_node_B J_node_C / / Serial number Circuit breaker name Logical device name obj_id Device type code Voltage level Phase number Phase difference I end physical node AI end physical node BI end physical node CJ end physical node AJ end physical node BJ end physical node C # 1 #2 main transformer 10kV side 102 #2 main transformer 10kV side 102 b572a873-b590-4d60-9e6f-33bff1d52b48 0305 AC 10kV three-phase ABC 742 975 1206 701 934 1165 < / breaker::jb> Example of E file after instantiating the attributes of the disconnector Disconnector: <disconnector::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase sub_type I_node_A I_node_B I_node_C I_node_O J_node_A J_node_B J_node_C J_node_Oshunt_equipment connection_order / / Serial number Switch name Logical device name obj_id Device type code Voltage level Phase number Phase subtype I end physical node AI end physical node BI end physical node CI end physical node OJ end physical node AJ end physical node BJ end physical node CJ end physical node O Parallel device connection order # 1 #2 main transformer 10kV side 1026 #2 main transformer 10kV side 1027 44dd9f75-23a2-4df7-bf48-700b1ab2f33e 0306 AC 10kV three-phase ABC disconnector with grounding 697 930 1161 -1 742 9751206 -1 -1 -1 < / disconnector::jb> S103: Instantiate the attribute information of the second device.

[0018] In this embodiment, the second device is a parallel device and a series device. Instantiate the attributes of the parallel devices (arrester, potential transformer, etc.) and series devices (current transformer) in the 3D model, the connection points in the 3D space, and the attributes of the cables or wires between the devices.

[0019] Example of E file after instantiating the attributes of the arrester Arrester: <arrester::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C I_node_O shunt_equipment connection_order / / Serial number Arrester name Logical device name obj_id Device type code Voltage level Phase number Phase difference I end physical node AI end physical node BI end physical node CI end physical node O Parallel device connection order # 1 #1 main transformer neutral point arrester O phase #1 main transformer neutral point arrester dca74e23-ba8d-4300-8dde-6732a57b16cf 0318 AC 110kV single phase O -1 -1 -1 1392 -1 -1 < / arrester::jb> Example of E file after instantiating the attributes of the current transformer CT: <ct::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C I_node_O J_node_A J_node_B J_node_C J_node_O S_series_equipment E_series_equipment / / Serial number Current transformer name Logical device name obj_id Device type code Voltage level Phase number Phase difference I end physical node AI end physical node BI end physical node CI end physical node OJ end physical node AJ end physical node BJ end physical node CJ end physical node O Series start device Series end device # 1 1101 Current transformer A phase 1102 Current transformer 33da8223-c382-4bcf-ba3f-61a90a5bb952 0313 AC 110kV Single phase A 711 -1 -1 -1 711 -1 -1 -1 -1 -1 1101 Circuit breaker 11011 Isolating switch < / ct::jb> Example of E file after instantiating the attributes of the potential transformer PT: <pt::jb type="全数"> @ id name logic_name obj_id dev_type volt phases_quantity phase I_node_A I_node_B I_node_C I_node_O shunt_equipment connection_order / / Serial number Voltage transformer name Logical device name obj_id Device type code Voltage level Phase number Phase difference I end physical node AI end physical node BI end physical node CI end physical node O Parallel device connection order # 1 Zhuangxi II circuit voltage transformer A phase Zhuangxi II circuit voltage transformer 81613c5f-2c5c-42cc-9866-f4e75cc7f50b 0314 AC 110kV single phase A 918 -1 -1 -1 Zhuangxi II circuit A phase cable 2 < / pt::jb> S104: Input the attribute information of the instantiated first device and the attribute information of the instantiated second device into the 3D model, perform 3D modeling, and generate a self-describing 3D model.

[0020] In this embodiment, the self-describing three-dimensional model is a self-describing capability model of the substation equipment in the three-dimensional model. The self-describing capability model of the substation equipment refers to the interaction of the dispatching data of the State Grid Corporation of China, and the specific elements include name, device type dev_type, voltage level volt, phase number phases_quantity, phase difference phase, as well as spatial node attributes and connection relationship attributes.

[0021] In the process of three-dimensional modeling, the attributes of the self-description capability of the substation equipment are maintained in the three-dimensional model. After the three-dimensional modeling, the attribute information instantiated in steps S102 and S103 can be written into the three-dimensional model through Python or other program call interfaces.

[0022] It can be concluded from the above that this embodiment solves the problem of insufficient self-description capability of the three-dimensional model of the digital substation, avoids a large amount of point-to-point and configuration work in the later stage, provides a model and data basis for the construction of the digital substation, and improves the substation modeling efficiency and model reuse rate.

[0023] In one embodiment of the present disclosure, the first device includes a busbar, a main transformer, an incoming line, an outgoing line, a parallel compensation device, a series compensation device, a circuit breaker and a disconnector.

[0024] In this embodiment, the first device includes a bus Bus, a main transformer Transformer, an incoming line Acline, an outgoing line Load, a parallel compensation device Compensator_P, a series compensation device Compensator_S, a circuit breaker Breaker, and a disconnector Disconnector.

[0025] In one embodiment of the present disclosure, the method for building a digital substation three-dimensional model further includes: Attribute information and a three-dimensional spatial connection relationship of the first device are determined.

[0026] In this embodiment, the properties and three-dimensional spatial connection relationship of the first device's bus Bus, main transformer Transformer, incoming line Acline, outgoing line Load, parallel compensation device Compensator_P, series compensation device Compensator_S, circuit breaker Breaker, and disconnector Disconnector are defined.

[0027] The first device may be a key device, and the attribute information table of the key device is shown in Table 1 below: Table 1 Attribute information table of key equipment

[0028] The attributes of the bus Bus include serial number id, bus name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, phase number phases_quantity, phase phase, phase A node I_node_A, phase B node I_node_B, and phase C node I_node_C.

[0029] The attributes of the main transformer Transformer include serial number id, transformer name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, phase number phases_quantity, phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C, low-voltage side O phase node J_node_O, medium-voltage side A phase node K_node_A, medium-voltage side B phase node K_node_B, medium-voltage side C phase node K_node_C, medium-voltage side O phase node K_node_O.

[0030] The attributes of the incoming line Acline include serial number id, incoming line name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, phase number phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C.

[0031] The attributes of the outgoing line Load include the serial number id, the outgoing line name name, the logical device name logic_name, the device code obj_id, the device type code dev_type, the voltage level volt, the number of phases phases_quantity, the phase phase, the high-voltage side A phase node I_node_A, the high-voltage side B phase node I_node_B, the high-voltage side C phase node I_node_C, the low-voltage side A phase node J_node_A, the low-voltage side B phase node J_node_B, and the low-voltage side C phase node J_node_C.

[0032] The attributes of the parallel compensation device Compensator_P include serial number id, parallel compensation device name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, number of phases phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C.

[0033] The properties of the series compensation device Compensator_S include serial number id, series compensation device name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, number of phases phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C.

[0034] The properties of the circuit breaker Breaker include serial number id, circuit breaker name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, number of phases phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C.

[0035] The properties of the disconnector Disconnector include serial number id, disconnector name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, phase number phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C.

[0036] Define the cable / wire connection properties between devices. The spatial properties include the starting device A phase node S_Node_A, the starting device B phase node S_Node_B, the starting device C phase node S_Node_C, the starting device O phase node S_Node_O, the terminal device A phase node E_Node_A, the terminal device B phase node E_Node_B, the terminal device C phase node E_Node_C, and the terminal device O phase node S_Node_O. For single-phase devices, only the corresponding bilateral spatial properties of the phases are maintained. For three-phase devices, the corresponding bilateral spatial properties of phases A, B, and C need to be maintained. For devices with a neutral point, the spatial properties corresponding to the O item need to be maintained.

[0037] From the above, it can be concluded that by accurately determining the property information of the first equipment and the three-dimensional spatial connection relationship, the efficiency and safety of substation design and operation and maintenance have been significantly improved. Not only can the equipment layout and operating status be intuitively displayed, which is convenient for troubleshooting and prevention, but also the in-depth understanding of equipment performance and mutual influence is promoted through refined modeling, which greatly enhances the comprehensiveness and accuracy of the digital substation three-dimensional model. This not only improves the visualization effect of the model.

[0038] In one embodiment of the present disclosure, the second device includes a lightning arrester, a current transformer and a voltage transformer.

[0039] In this embodiment, the second device includes a lightning arrester Arrester, a current transformer CT, and a voltage transformer PT.

[0040] In one embodiment of the present disclosure, the method for building a digital substation three-dimensional model further includes: Attribute information and a three-dimensional spatial connection relationship of the second device are determined.

[0041] In this embodiment, the properties and three-dimensional spatial connection relationship of the lightning arrester Arrester, the current transformer CT, and the voltage transformer PT of the second device are defined.

[0042] The properties of the lightning arrester Arrester include serial number id, lightning arrester name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, number of phases phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, shunt equipment shunt_equipment, and connection order connection_order.

[0043] The attributes of the current transformer CT include serial number id, bus name name, logical device name logic_name, equipment code obj_id, equipment type code dev_type, voltage level volt, phase number phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C, low-voltage side O phase node J_node_O, series starting equipment S_series_equipment, and series ending equipment E_series_equipment.

[0044] The attributes of the voltage transformer PT include serial number id, bus name name, logical device name logic_name, device code obj_id, device type code dev_type, voltage level volt, number of phases phases_quantity, phase phase, high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, parallel equipment shunt_equipment, and connection order connection_order.

[0045] The second device may be a parallel device or a series device. The attribute information table of the parallel device and the series device is shown in Table 2 below: Table 2 Attribute information table of series / parallel devices

[0046] The spatial attributes of parallel devices include the high-voltage side A-phase node I_node_A, the high-voltage side B-phase node I_node_B, the high-voltage side C-phase node I_node_C, the high-voltage side O-phase node I_node_O, the parallel device shunt_equipment, and the connection order connection_order. For single-phase devices, only the corresponding phase attributes are maintained. For three-phase devices, the corresponding attributes of phases A, B, and C need to be maintained. For devices with a neutral point, the spatial attributes corresponding to the O item need to be maintained.

[0047] The spatial attributes of series equipment include high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C, low-voltage side O phase node J_node_O, series starting equipment S_series_equipment, and series ending equipment E_series_equipment. For single-phase equipment, only the corresponding phase attributes are maintained. For three-phase equipment, the corresponding attributes of phases A, B, and C need to be maintained. For equipment with a neutral point, the spatial attributes corresponding to item O need to be maintained.

[0048] It can be concluded from the above that this embodiment further expands the precision of the digital substation three-dimensional modeling, and makes the three-dimensional model more complete by clarifying the attribute information of the second equipment such as the arrester, current transformer and voltage transformer and the three-dimensional space connection relationship. It not only improves the visualization effect of the three-dimensional model, but also promotes the intuitive understanding of the complex structure of the substation by the operation and maintenance personnel, facilitates the rapid location and emergency treatment of faults, effectively reduces the operation and maintenance costs, and improves the operation efficiency and safety of the overall power system.

[0049] In one embodiment of the present disclosure, the method for building a digital substation three-dimensional model further includes: The first device includes a single-node device, a dual-node device, and a triple-node device.

[0050] In this embodiment, the electrical access of the first device is divided into single-node, double-node and triple-node.

[0051] In one embodiment of the present disclosure, the method for building a digital substation three-dimensional model further includes: The spatial attributes of a single-node device include the high-voltage side phase node; The spatial attributes of the dual-node device include a high-voltage side phase node and a low-voltage side phase node; The spatial attributes of the three-node device include the high-voltage side phase node, the low-voltage side phase node and the medium-voltage side phase node.

[0052] In this embodiment, the spatial attributes of a single-node device include the high-voltage side A phase node I_node_A, the high-voltage side B phase node I_node_B, the high-voltage side C phase node I_node_C, and the high-voltage side O phase node I_node_O. For a single-phase device, only the corresponding phase attributes are maintained. For a three-phase device, the corresponding attributes of phases A, B, and C need to be maintained. For a device with a neutral point, the spatial attributes corresponding to the O item need to be maintained.

[0053] The spatial attributes of dual-node devices include high-voltage side A phase node I_node_A, high-voltage side B phase node I_node_B, high-voltage side C phase node I_node_C, high-voltage side O phase node I_node_O, low-voltage side A phase node J_node_A, low-voltage side B phase node J_node_B, low-voltage side C phase node J_node_C, and low-voltage side O phase node J_node_O. For single-phase devices, only the corresponding bilateral spatial attributes of the phases are maintained. For three-phase devices, the corresponding bilateral spatial attributes of phases A, B, and C need to be maintained. For devices with a neutral point, the spatial attributes corresponding to the O project need to be maintained.

[0054] The spatial attributes of three-node equipment (usually transformer equipment) include high-voltage side A-phase node I_node_A, high-voltage side B-phase node I_node_B, high-voltage side C-phase node I_node_C, high-voltage side O-phase node I_node_O, low-voltage side A-phase node J_node_A, low-voltage side B-phase node J_node_B, low-voltage side C-phase node J_node_C, low-voltage side O-phase node J_node_O, medium-voltage side A-phase node K_node_A, medium-voltage side B-phase node K_node_B, medium-voltage side C-phase node K_node_C, medium-voltage side O-phase node K_node_O. For single-phase equipment, only the corresponding three-side spatial attributes are maintained. For three-phase equipment, the corresponding three-side spatial attributes of phases A, B, and C need to be maintained. For equipment with a neutral point, the spatial attributes corresponding to item O need to be maintained.

[0055] From the above, it can be concluded that this embodiment carefully divides the spatial attributes of single-node, dual-node and triple-node devices, including the precise positioning of phase nodes on the high-voltage side, low-voltage side and medium-voltage side, significantly improving the accuracy and practicality of the digital substation three-dimensional model. Not only does the model more realistically reflect the physical connection and electrical characteristics of the substation equipment, but it also facilitates accurate electrical analysis and simulation, providing strong support for power system design, operation and maintenance, and optimization, and promoting the intelligent and refined development of substation management.

[0056] Corresponding to the digital substation three-dimensional modeling method of the above embodiment, Figure 2 This is a structural block diagram of a digital substation 3D modeling system provided by an embodiment of the present disclosure. For ease of explanation, only the parts related to the embodiment of the present disclosure are shown. Figure 2 The digital substation three-dimensional modeling system 20 includes: an information determination module 21, a first module 22, a second module 23 and a three-dimensional model module 24.

[0057] Wherein, the information determination module 21 is used to determine the attribute information of the first device and the second device in the substation; A first module 22, configured to instantiate attribute information of a first device; The second module 23 is used to instantiate the attribute information of the second device; The three-dimensional model module 24 is used to input the attribute information of the instantiated first device and the attribute information of the instantiated second device into the three-dimensional model, perform three-dimensional modeling, and generate a self-describing three-dimensional model.

[0058] In one embodiment of the present disclosure, the information determination module 21 is further configured to: The first equipment includes busbar, main transformer, incoming line, outgoing line, parallel compensation equipment, series compensation equipment, circuit breaker and disconnector.

[0059] In one embodiment of the present disclosure, the information determination module 21 is further configured to: Attribute information and a three-dimensional spatial connection relationship of the first device are determined.

[0060] In one embodiment of the present disclosure, the information determination module 21 is further configured to: The second equipment includes a lightning arrester, a current transformer and a voltage transformer.

[0061] In one embodiment of the present disclosure, the information determination module 21 is further configured to: Attribute information and a three-dimensional spatial connection relationship of the second device are determined.

[0062] In one embodiment of the present disclosure, the information determination module 21 is further configured to: The first device includes a single-node device, a dual-node device, and a triple-node device.

[0063] In one embodiment of the present disclosure, the information determination module 21 is further configured to: The spatial attributes of a single-node device include the high-voltage side phase node; The spatial attributes of the dual-node device include a high-voltage side phase node and a low-voltage side phase node; The spatial attributes of the three-node device include the high-voltage side phase node, the low-voltage side phase node and the medium-voltage side phase node.

[0064] See also Figure 3 , Figure 3 A schematic block diagram of an electronic device provided by an embodiment of the present disclosure. Figure 3The electronic device 300 in the embodiment shown may include: one or more processors 301, one or more input devices 302, one or more output devices 303 and one or more memories 304. The processors 301, input devices 302, output devices 303 and memories 304 communicate with each other via a communication bus 305. The memory 304 is used to store computer programs, which include program instructions. The processor 301 is used to execute the program instructions stored in the memory 304. The processor 301 is configured to call the program instructions to execute the functions of each module / unit in the above-mentioned system embodiments, such as Figure 2 The functions of modules 21 to 24 are shown.

[0065] It should be understood that in the embodiment of the present disclosure, the processor 301 may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0066] The input device 302 may include a touch panel, a fingerprint collection sensor (for collecting the user's fingerprint information and fingerprint direction information), a microphone, etc., and the output device 303 may include a display (LCD, etc.), a speaker, etc.

[0067] The memory 304 may include a read-only memory and a random access memory, and provide instructions and data to the processor 301. A portion of the memory 304 may also include a non-volatile random access memory. For example, the memory 304 may also store information about the device type.

[0068] In a specific implementation, the processor 301, input device 302, and output device 303 described in the embodiments of the present disclosure can execute the implementation methods described in the first and second embodiments of the digital substation three-dimensional modeling method provided in the embodiments of the present disclosure, and can also execute the implementation methods of the electronic device described in the embodiments of the present disclosure, which will not be repeated here.

[0069] In another embodiment of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores a computer program, wherein the computer program includes program instructions, and when the program instructions are executed by the processor, all or part of the processes in the above-mentioned embodiment method are implemented, and the computer program can also be completed by instructing the relevant hardware through the computer program. The computer program can be stored in a computer-readable storage medium, and when the computer program is executed by the processor, the steps of each of the above-mentioned method embodiments can be implemented. Among them, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form, etc. The computer-readable medium can include: any entity or device capable of carrying computer program code, recording medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium, etc.

[0070] The computer-readable storage medium may be an internal storage unit of the electronic device of any of the aforementioned embodiments, such as a hard disk or memory of the electronic device. The computer-readable storage medium may also be an external storage device of the electronic device, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (SecureDigital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device. Furthermore, the computer-readable storage medium may also include both an internal storage unit of the electronic device and an external storage device. The computer-readable storage medium is used to store computer programs and other programs and data required by the electronic device. The computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.

[0071] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this disclosure.

[0072] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the electronic devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0073] In the several embodiments provided in the present application, it should be understood that the disclosed electronic devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces or units, or it can be an electrical, mechanical or other form of connection.

[0074] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiments of the present disclosure.

[0075] In addition, each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0076] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present disclosure, and these modifications or replacements should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A method for modeling a three-dimensional digital substation model, characterized in that: include: Determining attribute information of a first device and a second device in a substation; Instantiating attribute information of the first device; Instantiating attribute information of the second device; The attribute information of the instantiated first device and the attribute information of the instantiated second device are input into a three-dimensional model to perform three-dimensional modeling to generate a self-describing three-dimensional model.

2. The method for building a three-dimensional digital substation model according to claim 1, characterized in that: The first equipment includes a busbar, a main transformer, an incoming line, an outgoing line, a parallel compensation device, a series compensation device, a circuit breaker and a disconnector.

3. The method for building a three-dimensional digital substation model according to claim 1, characterized in that: Also includes: Determine the attribute information and three-dimensional spatial connection relationship of the first device.

4. The method for building a three-dimensional digital substation model according to claim 1, characterized in that: The second device includes a lightning arrester, a current transformer and a voltage transformer.

5. The method for building a three-dimensional digital substation model according to claim 1, characterized in that: Also includes: Determine the attribute information and the three-dimensional spatial connection relationship of the second device.

6. The method for building a three-dimensional digital substation model according to claim 2, characterized in that: Also includes: The first device includes a single-node device, a dual-node device and a triple-node device.

7. The method for building a three-dimensional digital substation model according to claim 6, characterized in that: Also includes: The spatial attributes of the single-node device include a high-voltage side phase node; The spatial attributes of the dual-node device include the high-voltage side phase node and the low-voltage side phase node; The spatial attributes of the three-node device include the high-voltage side phase node, the low-voltage side phase node and the medium-voltage side phase node.

8. A digital substation three-dimensional modeling system, characterized in that: include: Determine information module: used to determine attribute information of the first device and the second device in the substation; A first module: used to instantiate attribute information of the first device; The second module is used to instantiate the attribute information of the second device; Three-dimensional model module: used to input the attribute information of the instantiated first device and the attribute information of the instantiated second device into the three-dimensional model, perform three-dimensional modeling, and generate a self-describing three-dimensional model.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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