CN114268167A - Transformer substation system based on digital twinning technology - Google Patents
Transformer substation system based on digital twinning technology Download PDFInfo
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- CN114268167A CN114268167A CN202111369878.9A CN202111369878A CN114268167A CN 114268167 A CN114268167 A CN 114268167A CN 202111369878 A CN202111369878 A CN 202111369878A CN 114268167 A CN114268167 A CN 114268167A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Abstract
The invention discloses a transformer substation system based on a digital twinning technology, which comprises: the sensing layer comprises various Internet of things sensors and network nodes, the Internet of things sensors are arranged in the transformer substation to acquire data of equipment and environment of the transformer substation, and the data are gathered through the network nodes; the network layer transmits data to the platform layer; the platform layer constructs a virtual transformer substation three-dimensional model twinned with the transformer substation, and data sharing interaction is carried out by using data uploaded by the network layer; and the application layer calls the data of the platform layer and the virtual transformer substation scene to carry out real-time monitoring. The invention realizes the visual embodiment of the information such as the spatial layout, the spatial structure and the like of the equipment, fully senses the state of the equipment of the transformer substation, predicts the fault and is convenient for rapidly positioning and processing the fault.
Description
Technical Field
The invention relates to the technical field of digital substations, in particular to a substation system based on a digital twinning technology.
Background
The digital twin transformer substation is based on an information technology system and a power grid information model of digital identification, automatic perception, networking connection, generalized calculation, intelligent control and platform service, a digital transformer substation corresponding to a physical power grid in a matching mode is reconstructed in a digital space, the state of a physical entity of the power grid in a real environment is simulated, monitored dynamically, diagnosed in real time and predicted accurately, all-element digitization and virtualization of the power grid, all-state real-time and visualization, power grid operation management synergy and intellectualization are promoted, and cooperative interaction and parallel operation of the physical power grid and the digital power grid are achieved.
The conventional substation management system is mainly based on traditional video monitoring, information such as spatial layout, spatial structure and the like of equipment cannot be visually embodied, and rapid positioning and processing of faults are inconvenient when an emergency occurs.
Disclosure of Invention
The invention aims to provide a transformer substation system based on a digital twinning technology, so as to realize full perception of the state of transformer substation equipment and realize rapid positioning and processing of faults. In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a transformer substation system based on a digital twinning technology, which comprises: the sensing layer comprises various Internet of things sensors and network nodes, the Internet of things sensors are arranged in the transformer substation to acquire data of equipment and environment of the transformer substation, and the data are gathered through the network nodes; the network layer transmits data to the platform layer; the platform layer constructs a virtual transformer substation three-dimensional model twinned with the transformer substation, and data sharing interaction is carried out by using data uploaded by the network layer; and the application layer calls the data of the platform layer and the virtual transformer substation scene to carry out real-time monitoring.
Further, the internet of things sensor comprises: the equipment parameter sensor is used for sensing the performance parameters of the substation equipment; the environment auxiliary control monitoring sensor is used for sensing environmental parameters in the transformer substation; the intelligent inspection device is used for performing inspection in the transformer substation to monitor videos or images.
The network layer comprises one or more of a power wireless private network, a power APN channel and a power optical fiber network.
The virtual transformer substation comprises a main transformer, a power distribution device, a relay protection device, a direct current system, a station power utilization system, a fire protection system and a transformer substation inspection system.
The intelligent inspection device comprises a Beidou positioner worn on inspection personnel, and the transformer substation inspection system of the virtual transformer substation acquires the moving track of the Beidou positioner and displays the moving track in real time.
The application layer comprises: the real-time monitoring module is used for carrying out real-time video monitoring on the transformer substation; the emergency management module manages the operation condition and the environment of the transformer substation equipment, when equipment faults occur, the emergency management module controls the starting of a relay protection device of the transformer substation, and when a fire disaster occurs in the transformer substation, the emergency management module controls the starting of a fire protection system of the transformer substation.
Further, the application layer further includes: and the statistical analysis module is used for performing statistical analysis on the working condition data of the transformer substation equipment and performing fault prediction and service life prediction on the transformer substation equipment.
Due to the adoption of the structure, the invention has the following beneficial effects: the virtual transformer substation twinned with the real transformer substation is constructed in the digital twinning system, so that the visual embodiment of information such as the space layout and the space structure of equipment is realized, the state of the transformer substation equipment is fully sensed and the fault is predicted, the fault is quickly positioned and processed conveniently, and the visualization, fine management level and intelligent decision capability of a power transmission and transformation project can be further improved.
Drawings
FIG. 1 is a system architecture diagram of the present invention.
Fig. 2 is a schematic diagram of a platform-level virtual substation three-dimensional model.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention discloses a substation system based on digital twinning technology, comprising: a sensing layer, a network layer, a platform layer and an application layer.
The sensing layer comprises various sensors of the internet of things and network nodes. The sensor of the internet of things is installed in the transformer substation to collect data of equipment and environment of the transformer substation, and the data are gathered through the network nodes. The thing networking sensor includes: and the equipment parameter sensor is used for sensing the performance parameters of the substation equipment. Such as low power consumption sensors (mainly receiving information with continuous transmission, such as local ultrasonic wave, local ultrahigh frequency, leakage current and other substation operation and inspection information), wired sensors and the like.
The environment auxiliary control monitoring sensor is used for sensing environmental parameters in a transformer substation, such as a micro-power consumption wireless sensor, and mainly detects temperature, humidity, frequency and the like in the transformer substation.
The intelligent inspection device is used for performing inspection in the transformer substation to monitor videos or images. The intelligent inspection device comprises a Beidou positioner worn on the body of an inspector.
The sensing layer adopts a standardized sensing technology to realize the comprehensive sensing of the state and the environment of the main equipment of the transformer substation, and the sensing information is gathered through network nodes, so that the sensing information is collected and gathered.
The network layer transmits the data to the platform layer. The network layer comprises one or more of a power wireless private network, a power APN channel and a power optical fiber network, and provides a data transmission channel with high reliability, high safety and high bandwidth for the Internet of things of the power equipment.
The platform layer constructs a virtual transformer substation three-dimensional model twinned with the transformer substation, data sharing interaction is carried out by utilizing data uploaded by the network layer, so that management, coordination and monitoring of various sensors and network node equipment are realized, tasks such as data acquisition, state analysis and real-time early warning are undertaken, and open access and mass data storage of multi-source heterogeneous data are realized. As shown in fig. 2, a virtual substation three-dimensional model is built by using modeling software.
The virtual transformer substation comprises a main transformer, a power distribution device, a relay protection device, a direct current system, a station power utilization system, a fire protection system and a transformer substation inspection system. The transformer substation patrol system acquires the moving track of the Beidou positioner and displays the moving track in real time.
The model requirements of a twin substation are detailed below.
(1) Main transformer
The construction range of the transformer substation is as follows: the main transformer, the neutral point grounding knife switch, the on-load voltage regulation tap switch, the non-excitation voltage regulation tap switch and the cooling system comprise secondary control, protection, signal and measurement loops.
Degree of twinning of the three-dimensional model: the transformer adopts a reasonable mathematical model, and can correctly reflect the influence of the tap changer on the voltage and the power flow in operation; the temperature of the transformer varies with the load and the ambient temperature; the influence of the input or the exit of the cooling system on the temperature rise of the transformer; excitation inrush current of closing of the no-load transformer and the like; the inspection tour can be performed on the transformer loop and the main components.
(2) Power distribution device
The construction range of the transformer substation is as follows: the main functions of the equipment such as an electric main connection wire, a bus of each voltage grade, an inlet and outlet wire, a voltage transformer, a current transformer, a lightning arrester, a reactor, a capacitor, a high-voltage fuse, a wave trap, a filter, a station transformer and the like, and related secondary control, protection, signal and measurement loops.
Degree of twinning of the three-dimensional model: the operation conditions and the trend of various electrical equipment under normal and accident conditions can be correctly reflected. When an operator sends an operation instruction, the relevant equipment should respond correctly; if the misoperation instruction is sent out, locking is carried out according to a five-prevention rule and an error is prompted. The operation is effective after unlocking, and various consequences of misoperation can be correctly reflected.
(3) Relay protection and automatic device
Protection and device acting on fixed values: the action of protection is based on load flow calculation, short-circuit current and setting calculation value; protection and device according to logical action: the action of protection is logically determined. The relay protection and automatic device should ensure that the action characteristic, the resetting characteristic and the time characteristic of the relay protection and automatic device are consistent with those of an actual device; when a fault or equipment abnormality occurs, the protection device can correctly reflect the selectivity of actions and consider the protection coordination of adjacent elements; setting values and action mechanisms of each set of protection are consistent with those of an actual field; the functions of operation, start-stop switching, constant value adjustment, signal indication, signal resetting, action reporting and the like of the relay protection or automatic device and the operation interface thereof are consistent with those of an actual device. The operation fuse, small switch, pressure plate, terminal, keyboard, button and so on are consistent with the actual device; when the protection device is out of operation (operating fuse or pressing plate is not put in), a fault occurs, and the protection device should not act (refuse to act); the signals, drop cards, meter and liquid crystal display of the device are consistent with the scene under normal, abnormal or accident conditions.
(4) Direct current system
The construction range of the transformer substation is as follows: the system comprises a direct current screen, a silicon rectifier screen, a direct current storage battery, a high-frequency switching power supply, silicon controlled rectifier rectification, charging equipment, a direct current system and insulation monitoring.
Degree of twinning of the three-dimensional model: the operating characteristics of the high-frequency switching power supply and the silicon controlled rectifier rectifying and floating charging equipment are the same as those of actual equipment; the operation switching can be carried out, and the operation modes of charging and floating charging of the storage battery pack are simulated; the voltage of a direct current bus, the charge and discharge of a storage battery or the closing of a breaker and the like are adjusted, and the meter displays correctly; the running condition of the direct current system can be reflected; when a direct current system fault (direct current circuit disconnection, direct current grounding and the like) is set, the meter of the insulation monitoring device indicates correctly. The multimedia picture for the DC control screen surface is used to simulate the actual equipment, including instrument on the disk surface, optical word signal, change-over switch, etc.
(5) Station power utilization system
The construction range of the transformer substation is as follows: the system comprises a station transformer, a station power system, a bus (comprising an outgoing switch, a cooler power system of a main transformer and the like), a section switch spare power automatic switching function, a main control room light signal control and the like.
Degree of twinning of the three-dimensional model: : the electromagnetic relation of the transformer for the station can be correctly reflected, and the parallel operation, bus voltage fluctuation and load distribution of the transformer accord with the actual situation; the operation and switching of the station power utilization system accord with the field condition, and the system fault, bus voltage loss, automatic switching of the standby power supply and the like for the station can be simulated.
(6) Fire fighting system
The transformer substation construction range comprises an automatic fire extinguishing water spraying system, a gas fire extinguishing system, a smoke sensing and temperature sensing alarm system and a fire fighting water pipeline.
Degree of twinning of the three-dimensional model: the fire extinguishing device can be automatically or manually set whether to start the fire extinguishing device according to the set accident, can simulate the situation after the action of a water spraying system and a gas fire extinguishing system, correctly simulate the opening direction and the water flow direction of each valve, and correctly display an operation interface and an alarm signal which are required to be carried out by an operator.
(7) Patrol of transformer substation
According to the Beidou positioner worn by the patrolman, the system displays the moving track of the patrolman in real time.
And the application layer calls the data of the platform layer and the virtual transformer substation scene to carry out real-time monitoring. The application layer comprises: the system comprises a real-time monitoring module, an emergency management module and a statistical analysis module. And the real-time monitoring module carries out real-time video monitoring on the transformer substation. The emergency management module manages the operation condition and the environment of the transformer substation equipment, when equipment faults occur, the emergency management module controls the starting of a relay protection device of the transformer substation, and when a fire disaster occurs in the transformer substation, the emergency management module controls the starting of a fire protection system of the transformer substation. And the statistical analysis module is used for performing statistical analysis on the working condition data of the transformer substation equipment and performing fault prediction and service life prediction on the transformer substation equipment. In addition, the application layer can also comprise modules of three-dimensional video fusion, job management, virtual tour, defect management, equipment management and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (7)
1. Transformer substation system based on digit twin technique, its characterized in that includes: a sensing layer, a network layer, a platform layer and an application layer,
the sensing layer comprises various sensors of the Internet of things and network nodes, the sensors of the Internet of things are arranged in the transformer substation to acquire data of equipment and environment of the transformer substation, and the data are gathered through the network nodes;
the network layer transmits data to the platform layer;
the platform layer constructs a virtual transformer substation three-dimensional model twinned with the transformer substation, and data sharing interaction is carried out by using data uploaded by the network layer;
and the application layer calls the data of the platform layer and the virtual transformer substation scene to carry out real-time monitoring.
2. The digital twinning technology-based substation system of claim 1, wherein the internet of things sensor comprises:
the equipment parameter sensor is used for sensing the performance parameters of the substation equipment;
the environment auxiliary control monitoring sensor is used for sensing environmental parameters in the transformer substation;
the intelligent inspection device is used for performing inspection in the transformer substation to monitor videos or images.
3. The substation system based on the digital twin technology as claimed in claim 1, wherein the network layer comprises one or more of a wireless private power network, an APN channel and an optical power fiber network.
4. The digital twinning technology-based substation system according to claim 2, wherein the virtual substation comprises a main transformer, a power distribution device, a relay protection device, a direct current system, a station power system, a fire protection system and a substation patrol system.
5. The transformer substation system based on the digital twin technology according to claim 1, wherein the intelligent inspection device comprises a Beidou positioner worn on an inspector, and the transformer substation inspection system of the virtual transformer substation acquires and displays the movement track of the Beidou positioner in real time.
6. The digital twinning technology-based substation system according to claim 1, wherein the application layer comprises:
the real-time monitoring module is used for carrying out real-time video monitoring on the transformer substation;
the emergency management module manages the operation condition and the environment of the transformer substation equipment, when equipment faults occur, the emergency management module controls the starting of a relay protection device of the transformer substation, and when a fire disaster occurs in the transformer substation, the emergency management module controls the starting of a fire protection system of the transformer substation.
7. The digital twinning technology-based substation system of claim 1, wherein the application layer further comprises: and the statistical analysis module is used for performing statistical analysis on the working condition data of the transformer substation equipment and performing fault prediction and service life prediction on the transformer substation equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111369878.9A CN114268167A (en) | 2021-11-18 | 2021-11-18 | Transformer substation system based on digital twinning technology |
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| CN202111369878.9A CN114268167A (en) | 2021-11-18 | 2021-11-18 | Transformer substation system based on digital twinning technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115278583A (en) * | 2022-07-29 | 2022-11-01 | 贵州电网有限责任公司 | Digital twin power grid sensor fault recovery method |
| CN116703352A (en) * | 2023-04-17 | 2023-09-05 | 艾尔科工程技术有限公司 | Clean room intelligent operation and maintenance system and method based on digital twin |
| CN117765451A (en) * | 2024-02-22 | 2024-03-26 | 江苏征途技术股份有限公司 | Joint control analysis method and system based on AI intelligent auxiliary control system equipment |
-
2021
- 2021-11-18 CN CN202111369878.9A patent/CN114268167A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115278583A (en) * | 2022-07-29 | 2022-11-01 | 贵州电网有限责任公司 | Digital twin power grid sensor fault recovery method |
| CN115278583B (en) * | 2022-07-29 | 2023-08-04 | 贵州电网有限责任公司 | Digital twin power grid sensor fault recovery method |
| CN116703352A (en) * | 2023-04-17 | 2023-09-05 | 艾尔科工程技术有限公司 | Clean room intelligent operation and maintenance system and method based on digital twin |
| CN116703352B (en) * | 2023-04-17 | 2023-12-08 | 艾尔科工程技术有限公司 | Clean room intelligent operation and maintenance system and method based on digital twin |
| CN117765451A (en) * | 2024-02-22 | 2024-03-26 | 江苏征途技术股份有限公司 | Joint control analysis method and system based on AI intelligent auxiliary control system equipment |
| CN117765451B (en) * | 2024-02-22 | 2024-04-30 | 江苏征途技术股份有限公司 | Joint control analysis method and system based on AI intelligent auxiliary control system equipment |
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