CN113759794B - Intelligent transformer substation and monitoring system of transformer substation - Google Patents
Intelligent transformer substation and monitoring system of transformer substation Download PDFInfo
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- CN113759794B CN113759794B CN202111103714.1A CN202111103714A CN113759794B CN 113759794 B CN113759794 B CN 113759794B CN 202111103714 A CN202111103714 A CN 202111103714A CN 113759794 B CN113759794 B CN 113759794B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- 238000012423 maintenance Methods 0.000 claims abstract description 26
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000013499 data model Methods 0.000 claims description 26
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 230000005856 abnormality Effects 0.000 claims description 8
- 238000007405 data analysis Methods 0.000 claims description 8
- 241001465754 Metazoa Species 0.000 description 4
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- 238000004891 communication Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012552 review Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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Abstract
The invention discloses an intelligent transformer substation and a monitoring system of the transformer substation, and belongs to the technical field of transformer substations. An intelligent substation comprises a central control system, physical entities and digital virtual bodies, wherein the digital virtual bodies are mapped by the physical entities; the digital virtual body is provided with an environment virtual body and an equipment virtual body; the central control system is provided with: the measurement and control subsystem is used for monitoring the transformer substation; the analysis subsystem is used for analyzing the state of the transformer substation; and the early warning subsystem is used for pre-warning and alarming the operation of the transformer substation. The invention monitors the equipment in an omnibearing and three-dimensional way, refines the control component and realizes the optimal operation and maintenance scheme.
Description
Technical Field
The invention relates to the technical field of substations, in particular to an intelligent substation and a monitoring system of the substation.
Background
An intelligent substation relates to modern information technologies such as big data, cloud computing, internet of things, mobile interconnection, artificial intelligence and the like. The intelligent service function of the station end is realized by adopting an advanced sensing technology of comprehensive perception. The basic functions of information acquisition, measurement, control, protection, metering, detection and the like are automatically completed by taking total station information digitization, communication platform networking and information sharing standardization as basic requirements. Meanwhile, the intelligent control system has the advanced functions of supporting real-time automatic control, intelligent regulation, online analysis decision making, collaborative interaction and the like of the power grid.
At present, related technical implementation schemes such as a digital twin system, full-automatic control, intelligent inspection and the like exist for an intelligent transformer substation. But also have certain drawbacks and disadvantages.
Disclosure of Invention
The invention aims to provide an intelligent transformer substation and a monitoring system of the transformer substation; through the monitoring of high efficiency, high reliability, collocation intelligent analysis, early warning, full-automatic inspection, maintenance realize the operation of wisdom transformer substation.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an intelligent substation comprises a central control system, physical entities and digital virtual bodies, wherein the digital virtual bodies are mapped by the physical entities;
the digital virtual body is provided with an environment virtual body and an equipment virtual body;
the central control system is provided with:
the measurement and control subsystem is used for monitoring the transformer substation;
the analysis subsystem is used for analyzing the state of the transformer substation;
and the early warning subsystem is used for pre-warning and alarming the operation of the transformer substation.
In some embodiments, the central control system is provided with a primary-standby switching entity;
and the central control system performs switching control according to the load state and the operation record of the main and standby entities.
In some embodiments, the central control system is provided with an intrusion detection subsystem.
In some embodiments, the measurement and control subsystem comprises:
partial discharge monitoring, gas monitoring, grounding monitoring, sound monitoring and temperature monitoring.
In some embodiments, the analysis subsystem is provided with:
standard data model, historical data model, current state model;
the analysis subsystem compares the current state model with the standard data model and calculates the difference value;
and analyzing the equipment state by combining the difference interval of the historical data model and the standard data model.
In some embodiments, the pre-warning subsystem is provided with:
the system comprises an early warning module, a big data analysis library and a manual intervention module;
the early warning module judges through the state analysis of the analysis subsystem and sends pre-warning and alarming information;
the early warning subsystem provides maintenance suggestions for the pre-warning information according to the big data analysis library;
the manual intervention module provides manual active support, comprising: and (3) pre-alarming, confirming and removing, actively pre-alarming, and manually inputting maintenance suggestions.
A monitoring system of an intelligent substation, comprising:
video system, active protection system.
In some embodiments, the video system acquires image data and performs live-action virtualized presentation in conjunction with a digital virtual body.
In some embodiments, the video system is provided with a behavior recognition module;
the behavior recognition module judges the behavior of the moving object;
the video system is provided with an image comparison module;
the image comparison module periodically intercepts images and performs time period image comparison;
the image comparison module is dynamically adjusted, and the images of the front and rear time points of the moving object are compared after the moving object leaves the current image interval according to the track of the moving object;
and after the video system judges that the video system is abnormal, sending a warning prompt to the central control system.
In some embodiments, the active protection system comprises:
patrol robot, patrol unmanned aerial vehicle;
the patrol robot and the patrol unmanned aerial vehicle set a working path according to the digital virtual body to carry out mobile patrol;
the patrol robot can perform maintenance operation on equipment.
Compared with the prior art, the invention provides an intelligent transformer substation and a monitoring system of the transformer substation, which have the following beneficial effects:
1. according to the invention, a digital virtual body is generated through physical entity mapping, dynamic synchronous adjustment is carried out, and a transformer substation is monitored in real time; the monitoring modules are matched to carry out omnibearing and three-dimensional monitoring on equipment, and the perceived data are displayed in combination with the digital virtual body, so that the systematic state of the transformer substation can be quickly known; the life cycle data of the components are contained, the components are finely managed and controlled, and an optimal operation and maintenance scheme is realized.
2. The invention identifies the working state of the transformer substation; analyzing and predicting the equipment state by depending on a historical time axis and an event section, and realizing high-precision pre-alarming; the early warning subsystem provides maintenance suggestions for the pre-warning information and the warning information, and assists in referencing and evaluating events.
3. According to the invention, the main and standby switching entities are arranged, so that the high reliability and emergency processing capability of the system are ensured; and the intrusion detection subsystem detects and blocks the access flow so as to ensure the normal operation of the intelligent substation.
4. According to the invention, live-action virtualization display is provided through a video system; identifying and judging abnormality, and sending warning prompt to a central control system to realize passive protection; the active protection system provides mobile patrol, which can repel an invading animal and perform some maintenance operations on the equipment.
The parts of the device which are not involved are the same as or can be realized by adopting the prior art; according to the invention, the digital virtual body and the monitoring module are matched to carry out omnibearing and three-dimensional monitoring on equipment; the life cycle data of the components are contained, the components are finely managed and controlled, and an optimal operation and maintenance scheme is realized; identifying the working state of the transformer substation, analyzing and predicting the working state to realize high-precision pre-alarming; providing maintenance advice, auxiliary references, and evaluation events; the main and standby switching entity ensures the high reliability and emergency processing capability of the system; the intrusion detection subsystem ensures the normal operation of the intelligent substation; providing a live-action virtualization display; identifying and judging abnormality and sending warning reminding; providing mobile patrol, driving out the invaded animals and performing some maintenance operations on the equipment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present invention.
Drawings
FIG. 1 is a schematic diagram of a digital virtual body;
FIG. 2 is a schematic diagram of a central control system;
FIG. 3 is a schematic diagram of an analysis subsystem;
fig. 4 is a schematic structural diagram of the early warning subsystem.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
1-4, an intelligent substation includes a central control system, a physical entity, and a digital virtual entity; the object entity is the object which exists actually, and the digital virtual body is mapped by the physical entity.
The central control system is connected with substation equipment and is accessed to the Internet to realize remote operation; the digital virtual body is formed by mapping physical entities through three-dimensional modeling, and dynamic synchronous adjustment is carried out according to the perception data so as to monitor the transformer substation in real time.
The digital virtual body is provided with an environment virtual body and an equipment virtual body.
The environment virtual body comprises an internal environment of the transformer substation and a surrounding protection range environment, and covers the space range of the whole transformer substation to be monitored.
The device virtual body comprises virtual bodies of all device components; the individual state, the assembly state and the whole state can be checked among the virtual bodies of the components.
Meanwhile, the virtual body of the equipment contains life cycle data of the component; each component is finely managed and controlled, and an optimal operation and maintenance scheme is realized.
The central control system is provided with a measurement and control subsystem, an analysis subsystem and an early warning subsystem; and respectively performing intelligent management and control on the real-time data, the running state and the prediction state of the equipment.
The measurement and control subsystem monitors the transformer substation.
Specifically, the measurement and control subsystem includes: partial discharge monitoring, gas monitoring, grounding monitoring, sound monitoring and temperature monitoring.
And (5) monitoring the partial discharge of the equipment. Partial discharge is a main cause of insulation degradation of transformers and is also an early manifestation of insulation failure thereof; the partial discharge is monitored on line, so that early warning of the insulation fault of the transformer can be realized.
And monitoring gas, namely monitoring O2 and SF 6. And (5) carrying out abnormality judgment by monitoring the content change of each component in the air.
Ground monitoring, monitoring ground current. When the transformer is in a normal working state, single-point grounding is needed; when a multipoint ground fault occurs, the ground current will increase significantly; the multipoint grounding faults can be found in time through grounding monitoring, the service life of the transformer is prolonged, and the accident rate is reduced.
And monitoring sound, namely monitoring the environmental sound spectrum. By monitoring the frequency of the operating state of the device, the operating state of the component is determined in comparison with the normal operating frequency.
And monitoring the temperature of the equipment. The working temperature and the internal temperature of the equipment can be obtained by adopting forms such as infrared detection imaging, thermocouple resistance detection and the like.
And all the monitoring modules are matched to perform all-dimensional monitoring on the equipment.
And the analysis subsystem is used for analyzing the state of the transformer substation to identify the working state of the transformer substation.
Specifically, the analysis subsystem is provided with a standard data model, a historical data model and a current state model.
The standard data model comprises standardized data of the equipment in each state; the historical data model comprises working state data of historical operation of equipment and is partitioned in a time axis and event segments; the current state model is real-time data of each equipment component in the current working state.
Under the working state, the analysis subsystem compares the current state model with the standard data model and calculates the difference value; and combining the difference intervals of the data and the standard data model in the current working event state in the plurality of historical data models, and analyzing and comparing the interval values.
If the real-time data exceeds the historical difference interval, the equipment may be in an abnormal working state, and the equipment is analyzed and judged to be abnormal.
If the real-time data is located in the history difference interval, selecting the closest history data model; after the time axis is referred to and pushed back for a certain time, whether the historical data model has abnormal records or not; if no abnormality exists, the normal working state is analyzed and judged; otherwise, analyzing and judging that the hidden danger abnormality exists.
And the abnormal information is sent to the early warning subsystem.
And the early warning subsystem is used for pre-warning and alarming the operation of the transformer substation.
Specifically, the early warning subsystem is provided with an early warning module, a big data analysis library and a manual intervention module.
The big data analysis library comprises a knowledge base of each equipment component and related case data; and keep the data updated.
The early warning module judges through the abnormal information data sent by the analysis subsystem, and sends pre-warning information and alarm information.
If the abnormal information is that the data exceeds the history difference interval, sending alarm information; and setting different alarm levels according to the out-of-range condition.
If the abnormal information is 'judging that the future hidden danger exists', the early warning information is sent.
The early warning subsystem provides maintenance suggestions for the pre-warning information according to the big data analysis library; for reference by the maintenance personnel and to evaluate the event.
The manual intervention module provides manual active support, comprising: and (3) pre-alarming, confirming and removing, actively pre-alarming, and manually inputting maintenance suggestions.
Specifically, after receiving the pre-alarm information and the alarm information, the maintenance personnel judges and disposes; when the abnormality not prompted by the system is found manually according to experience, active pre-alarm and alarm can be set; and according to actual operation and maintenance experience, knowledge points and maintenance suggestions are added, so that a big data analysis library is further enriched.
And each subsystem outputs the acquired data in real time and displays the data by combining with the digital virtual body, so that the systematic state of the transformer substation can be quickly known.
In some embodiments, the central control system is provided with a primary and a backup switching entity.
To ensure high reliability and emergency handling capability of the system, a master-slave entity is provided for the central control system to operate.
The central control system performs switching control according to the load state and the operation record of the main entity and the standby entity.
If the current main equipment load is too high, the standby equipment is started to share; and setting a working time threshold, and switching the working equipment after a certain equipment works independently and exceeds a set value.
Correspondingly, the active and standby equipment can be actively switched by manual intervention.
In some embodiments, the central control system is provided with an intrusion detection subsystem.
In order to keep the unification and convenience of operation and maintenance, an intelligent transformer station is connected to a network; consequently, the transformer substation is threatened by network security. An intrusion detection subsystem is arranged to detect the access flow, and the intrusion detection subsystem is blocked in time when abnormal access flow is found so as to ensure the normal operation of the intelligent substation.
A monitoring system of an intelligent substation comprises a video system and an active protection system.
The video system acquires real-time video data in the area, and the active protection system provides active inspection and protection support.
Further, the video system acquires image data and performs live-action virtualization display by combining the digital virtual body.
Further, the video system is provided with a behavior recognition module.
Specifically, the behavior recognition module is provided with a recognition library, inquires the acquired moving object and the recognition library, judges the behavior of the moving object, and analyzes the influence of the moving object; the recognition library sets early warning grades for different actions.
The video system is provided with an image contrast module.
Specifically, the image comparison module periodically intercepts images and performs time period image comparison; knowing the changes occurring during the time period and analyzing the changes; and analyzing and identifying the change points, and alarming according to the identification result.
Meanwhile, the image comparison module can be dynamically adjusted.
When the moving object exists, comparing the front and rear time point images of the moving object after the moving object leaves the current image interval according to the track of the moving object; to find out the influence of the moving object.
After the video system judges that the video system is abnormal, sending a warning prompt to the central control system; and passive protection is realized.
When the behavior recognition module and the image comparison module cannot judge the behavior and the picture change, an abnormal recognition prompt is sent, and judgment is carried out manually.
In some embodiments, the active protection system comprises a patrol robot, a patrol drone.
Planning and setting a patrol path through the digital virtual body, wherein the patrol path comprises a ground path and an air path. And the patrol robot and the patrol unmanned aerial vehicle move and patrol according to the working path set by the digital virtual body.
At the same time, it can realize the driving of the invaded animals.
Furthermore, the patrol robot can perform some maintenance operations on the equipment with the aid of a set program and mechanical operation support.
In the invention, the physical entity is mapped to generate a digital virtual body, and the digital virtual body is dynamically and synchronously adjusted to monitor the transformer substation in real time; the monitoring modules are matched to carry out omnibearing and three-dimensional monitoring on equipment, and the perceived data are displayed in combination with the digital virtual body, so that the systematic state of the transformer substation can be quickly known; the life cycle data of the components are contained, the components are finely managed and controlled, and an optimal operation and maintenance scheme is realized; identifying the working state of the transformer substation; analyzing and predicting the equipment state by depending on a historical time axis and an event section, and realizing high-precision pre-alarming; the early warning subsystem provides maintenance suggestions for the pre-warning information and the warning information, and assists in referencing and evaluating events; a main and standby switching entity ensures high reliability and emergency processing capability of the system; the intrusion detection subsystem detects and blocks the access flow so as to ensure the normal operation of the intelligent substation; the video system provides live-action virtualization display; identifying and judging abnormality, and sending warning prompt to a central control system to realize passive protection; the active protection system provides mobile patrol, which can repel an invading animal and perform some maintenance operations on the equipment.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (5)
1. The intelligent substation is characterized by comprising a central control system, physical entities and digital virtual bodies, wherein the digital virtual bodies are mapped by the physical entities;
the digital virtual body is provided with an environment virtual body and an equipment virtual body;
the environment virtual body comprises an internal environment and a surrounding protection range environment of the transformer substation, and covers the space range of the whole transformer substation to be monitored;
the central control system is provided with:
the measurement and control subsystem is used for monitoring the transformer substation;
the analysis subsystem is used for analyzing the state of the transformer substation;
the early warning subsystem is used for pre-warning and alarming the operation of the transformer substation;
the analysis subsystem is provided with: standard data model, historical data model, current state model;
the analysis subsystem compares the current state model with the standard data model and calculates the difference value; and analyzing the equipment state by combining the difference interval of the historical data model and the standard data model;
the standard data model comprises standardized data of the equipment in each state; the historical data model comprises working state data of historical operation of equipment and is partitioned in a time axis and event segments; the current state model is real-time data of each equipment component in the current working state;
under the working state, the analysis subsystem compares the current state model with the standard data model and calculates the difference value; combining the difference intervals between the data in the current working event state and the standard data model in the plurality of historical data models, and analyzing and comparing the interval values;
if the real-time data exceeds the historical difference value interval, the equipment is possibly in an abnormal working state, and the equipment is analyzed and judged to be abnormal;
if the real-time data is located in the history difference interval, selecting the closest history data model; after the time axis is referred to and pushed back for a certain time, whether the historical data model has abnormal records or not; if no abnormality exists, the normal working state is analyzed and judged; otherwise, analyzing and judging that the potential future hazard is abnormal;
the system also comprises a monitoring system;
the monitoring system includes: video system and active protection system;
the video system acquires image data and performs live-action virtualization display by combining a digital virtual body;
the video system is provided with a behavior recognition module;
the behavior recognition module judges the behavior of the moving object;
the video system is provided with an image comparison module;
the image comparison module periodically intercepts images and performs time period image comparison;
the image comparison module is dynamically adjusted, and the images of the front and rear time points of the moving object are compared after the moving object leaves the current image interval according to the track of the moving object;
after the video system judges that the video system is abnormal, sending a warning prompt to a central control system;
the active protection system includes:
patrol robot, patrol unmanned aerial vehicle;
the patrol robot and the patrol unmanned aerial vehicle set a working path according to the digital virtual body to carry out mobile patrol;
the patrol robot can perform maintenance operation on equipment.
2. An intelligent substation according to claim 1, characterized in that the central control system is provided with a primary-backup switching entity;
and the central control system performs switching control according to the load state and the operation record of the main and standby entities.
3. An intelligent substation according to claim 1, characterized in that the central control system is provided with an intrusion detection subsystem.
4. The intelligent substation of claim 1, wherein the measurement and control subsystem comprises:
partial discharge monitoring, gas monitoring, grounding monitoring, sound monitoring and temperature monitoring.
5. The intelligent substation of claim 1, wherein the early warning subsystem is provided with:
the system comprises an early warning module, a big data analysis library and a manual intervention module;
the early warning module judges through the state analysis of the analysis subsystem and sends pre-warning and alarming information;
the early warning subsystem provides maintenance suggestions for the pre-warning information according to the big data analysis library;
the manual intervention module provides manual active support, comprising: and (3) pre-alarming, confirming and removing, actively pre-alarming, and manually inputting maintenance suggestions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103714.1A CN113759794B (en) | 2021-09-22 | 2021-09-22 | Intelligent transformer substation and monitoring system of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111103714.1A CN113759794B (en) | 2021-09-22 | 2021-09-22 | Intelligent transformer substation and monitoring system of transformer substation |
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