CN114389362B - Electric power safety active anti-misoperation method and system based on neighborhood edge monitoring interconnection - Google Patents
Electric power safety active anti-misoperation method and system based on neighborhood edge monitoring interconnection Download PDFInfo
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- CN114389362B CN114389362B CN202210049624.7A CN202210049624A CN114389362B CN 114389362 B CN114389362 B CN 114389362B CN 202210049624 A CN202210049624 A CN 202210049624A CN 114389362 B CN114389362 B CN 114389362B
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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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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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
- 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 provides a neighborhood edge monitoring interconnection-based active power safety anti-misoperation method and system, and relates to the technical field of substation power safety anti-misoperation, wherein starting from the configuration of edge monitoring equipment for a substation, the edge monitoring equipment performs data acquisition on the working state of power equipment in the substation through a plurality of sensors, and establishes a neighborhood information table based on neighborhood monitoring interconnection among the edge monitoring equipment; the method comprises the steps that interconnection neighborhood edge monitoring equipment based on each edge monitoring equipment compares and analyzes the content of an information table of the edge monitoring equipment in the period with the content of a neighborhood information table to determine whether a fault exists, then dynamic updating is carried out on the information table of each edge monitoring equipment in each period, and an active electric power safety anti-misoperation system replacing the traditional passive top-down anti-misoperation is constructed by means of a cloud interconnection framework and by means of the powerful cloud computing and service capacity of an edge cloud on the whole, so that the rapidity of the transformer substation anti-misoperation system is improved, and the stability and the reliability of electric power production management are guaranteed.
Description
Technical Field
The invention relates to the technical field of transformer substation electric power safety anti-misoperation, in particular to an electric power safety active anti-misoperation method and system based on neighborhood edge monitoring interconnection.
Background
With the rapid development of 5G communication and Internet of things technology, the 5G communication and Internet of things technology is successfully applied in many fields. At present, the rapid development of power services leads to the drastic increase of the number of various power equipment terminals and the rapid increase of the power consumption demand of users, so that the pressure of power grids and substations is continuously increased, power grid enterprises are continuously promoting the construction of smart power grids, and how to ensure the stable reliability of power production management is a crucial problem for meeting the user demand with high quality based on the current rapidly-developed 5G services and the technology of Internet of things.
Along with the requirement of power grid safety production management is constantly improved, each item requirement of transformer substation's site operation safety control is progressively refined, made clear, and the condition such as full position, operation quality, standard execution is all brought into safety control, greatly increased safety production control's the breadth and the degree of depth. At present, the transformer substation prevents mistake system operation mode and still continues to assign with the order OMS system, the fortune dimension personnel pass through the artifical ticket of writing of PMS system, print the operation ticket after the completion, again carry out the transformer substation and prevent mistake host computer simulation rehearsal, prevent mistake check, the traditional operation mode of voucher unblock, meanwhile, along with the propulsion of electric wire netting infrastructure, a large amount of interval adjustment work, new sensor, the access of equipment such as new control also can bring the challenge to original transformer substation data processing ability, though the safety check flow that has multiple personnel to audit of above-mentioned change process, this can not reduce the mistake that pure manual configuration brought completely. In recent years, an automatic operation ticket generating system is applied, but the mode is still a top-down anti-error mode through scheduling, and is a passive anti-error mode with poor anti-error response speed.
At present, each large substation also considers that efficient power dispatching and error prevention are realized by adding an intelligent mode matched with various monitoring sensors, for example, a power dispatching integrated error-prevention simulation integrated intelligent management platform is disclosed in the prior art, a subsystem composed of various sensor modules, a main controller module and the like is arranged to reduce the error operation rate of dispatching orders, but at present, a five-prevention system, a lock control system, an unlock management system, a ground wire management system, an overhaul isolation management and control system, a video monitoring system, a lighting system and the like of each substation operate relatively independently, each substation forms an information island with safety-related sensor monitoring, a pressure plate monitoring system, a ground wire management system, a video monitoring and other edge equipment, cannot be effectively fused and utilized, the interconnection interoperability among various service systems is poor, the effect strength and the management penetrating power of respective management and control are small, a decision cannot be provided for safety production management, and the stability and reliability of power safety and error-prevention response speed and power production management are not facilitated.
Disclosure of Invention
In order to solve the problems that interconnection interoperability among all service systems of the current transformer substation is poor, and the power safety anti-misoperation response speed cannot be guaranteed by relying on a passive anti-misoperation mode, the invention provides a power safety active anti-misoperation method and system based on neighborhood edge monitoring interconnection.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a power safety active anti-misoperation method based on neighborhood edge monitoring interconnection comprises the following steps:
s1, introducing a cloud interconnection framework, wherein the cloud interconnection framework comprises edge clouds and edge monitoring equipment, and the edge monitoring equipment monitors the standard working state of power equipment in a transformer substation through a sensor to acquire the standard working state data information of the power equipment;
s2, analyzing standard working state data information by edge monitoring equipment, and establishing a standard information table by each edge monitoring equipment based on the self state and the obtained standard working state data information;
s3, each edge monitoring device is communicated with the edge monitoring devices which are interconnected with the edge monitoring device, data in the standard information table are sent to the edge monitoring devices which are interconnected with the edge monitoring devices, and all the standard information tables form a neighborhood information table;
s4, each edge monitoring device monitors the working state of the power equipment in the next time period through a sensor, acquires and processes the working state data information of the power equipment in the next time period, and establishes a time period information table based on the self state and the acquired working state data information of the next time period;
s5, each edge monitoring device requests communication to the edge monitoring devices which are interconnected with each other, and when a response is obtained, the content in the time interval information table is sent to the edge monitoring devices which are interconnected with each other;
s6, the edge monitoring equipment interconnected with the edge monitoring equipment compares the received content in the time period information table with the information of the neighborhood information table, confirms whether the edge monitoring equipment corresponding to the time period information table and the monitored power equipment have faults or not, if yes, sends active anti-error information to an edge cloud, and the edge cloud broadcasts safety anti-error measures to the edge monitoring equipment interconnected with the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment.
According to the technical scheme, starting from the configuration of edge monitoring equipment for a transformer substation, the edge monitoring equipment acquires data of the working state of power equipment in the transformer substation through a plurality of sensors, establishes a neighborhood information table based on neighborhood monitoring interconnection among the edge monitoring equipment, compares and analyzes the content of the information table of the edge monitoring equipment in the current period and the content of the neighborhood information table based on the interconnection neighborhood edge monitoring equipment of each edge monitoring equipment to determine whether a fault exists, dynamically updates the information table of each edge monitoring equipment in each period, and establishes an electric power safety active anti-misoperation system for replacing the traditional top-down passive anti-misoperation by using the powerful cloud computing and service capacity of edge clouds in the whole cloud interconnection framework, so that the rapidity of the transformer substation anti-misoperation system is improved, and the stable reliability of electric power production management is ensured.
Preferably, the power equipment involved in the active error prevention of the power safety comprises a substation power switch, a lock and a power line, the power equipment is provided with sensors, in the step S1, the edge monitoring equipment is interconnected with the sensors, the edge monitoring equipment monitors the standard working state of the power equipment through one or more sensors to acquire the standard working state data information of the power equipment, and the standard working state data information of the power equipment comprises the standard voltage and the standard current of the power equipment.
Preferably, the cloud interconnection architecture of step S1 further includes a core cloud, where the cloud interconnection architecture includes a plurality of edge clouds and a plurality of edge monitoring devices, the plurality of edge monitoring devices are interconnected with one edge cloud of the plurality of edge clouds based on 5G network communication, the plurality of edge clouds are interconnected with one core cloud based on 5G network communication, each edge cloud is composed of server nodes distributed in the same area, and is configured to process local area information service requests and provide cloud computing services; the edge cloud is in charge of processing the data streams between the core cloud and the edge monitoring equipment, and the correlation between the data streams is utilized to reduce the cloud interconnection overhead, reduce the time delay and ensure the cloud computing QoS; on the other hand, the edge cloud accesses data required by the cloud computing service; the core cloud is responsible for managing and monitoring resources and services in each edge cloud; in the edge monitoring devices, each edge monitoring device and the edge monitoring devices interconnected with the edge monitoring device are based on 5G network communication.
Preferably, in step S2, the process of analyzing the standard operating status data information by the edge monitoring device is as follows: the edge monitoring equipment is internally provided with a fusion center which performs data fusion on the acquired standard working state data information of the power equipment and extracts a characteristic vector from the data-fused information; the standard information table of each edge monitoring device comprises: the method comprises the steps that standard working state data of the power equipment and self state characteristic data of the edge monitoring equipment are monitored through a sensor, and the self state characteristic data of the edge monitoring equipment comprise data recording and processing capacity and CPU computing power of the edge monitoring equipment.
In the data fusion, the monitoring data information of the plurality of sensors obtained according to a time sequence is automatically analyzed under a certain criterion based on the fusion center of the edge monitoring equipment, so that the required decision and estimation tasks are completed.
Preferably, after each edge monitoring device establishes the standard information table based on its own state and the acquired data information of the standard working state, in step S3, a request for acquiring the content of the standard information table of the interconnected edge monitoring devices is sent to the interconnected edge monitoring devices, and the interconnected edge monitoring devices respond to the request and feed back the content of the own standard information table; the content of the final neighborhood information table includes the content of the standard information table of all the edge monitoring devices.
In the technical scheme, based on neighborhood edge monitoring interconnection, a neighborhood information table containing the standard information table contents of all edge monitoring devices is preliminarily formed, and the neighborhood information table is used as a standard for monitoring whether any one edge monitoring device has a fault, so that a foundation is laid for the construction of an active anti-misoperation system.
Preferably, in step S6, the edge monitoring device interconnected with the edge monitoring device compares and analyzes the received content in the local time period information table with the information of the neighborhood information table, determines whether the content identifier in the received local time period information table matches with the corresponding identifier in the neighborhood information table, where the content identifier is a characteristic value obtained by converting the voltage and current of the power device in the local time period information table or in the neighborhood information table and the data recording processing capability of the edge monitoring device and the CPU computing power through unified characterization, calculates the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table, sets a similarity threshold, and if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is greater than the similarity threshold, divides the content identifier in the local time period information table into similar domains, and if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is less than or equal to the similarity threshold, divides the content identifier in the local time period information table into non-similar domains;
setting an active error prevention threshold, when the mean value of the content identification in the time period information table in the non-similar domain is larger than the active error prevention threshold, the edge monitoring equipment and the monitored power equipment corresponding to the time period information table have faults, sending active error prevention information to an edge cloud, and broadcasting safety error prevention measures to the edge cloud and the interconnected edge monitoring equipment by the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment
The information table of each edge monitoring device dynamically updates the comparison analysis of the content identification of the information table and the content identification of the standard neighborhood information table through the neighborhood edge monitoring devices which are interconnected with each other, and meanwhile, the pressure of a cloud interconnection framework is relieved based on the information intercommunication between each edge monitoring device and the neighborhood edge monitoring devices, and the response speed of active error prevention of power safety is improved.
Preferably, when the transformer substation is actively prevented from misoperation in electric power safety and needs video monitoring, a video monitor is set, the video monitor is connected with edge monitoring equipment in an interconnected mode, the edge monitoring equipment collects dynamic video image data in the transformer substation through the video monitor and then transmits the dynamic video image data to an edge cloud through a 5G network, and the edge cloud processes the dynamic video image data based on an image recognition technology.
Preferably, the edge cloud determines whether the edge monitoring device has a fault according to the dynamic video image data transmitted by the edge monitoring device, if so, the edge cloud sends a notification to the inspector to repair the edge monitoring device, the edge cloud updates the state of the edge monitoring device, and the information table of the edge monitoring device at each time interval is updated; if the fault does not exist, the edge cloud processes the dynamic video image data, whether abnormal personnel break into the transformer substation is confirmed according to the dynamic video image data, if the abnormal personnel break into the transformer substation, the edge cloud broadcasts safety anti-error measures to edge monitoring equipment interconnected with the edge cloud, the safety anti-error measures are transmitted to the core cloud, and a core cloud database is updated; and if no abnormal personnel intrude into the transformer substation, the edge cloud updates the self state of the edge monitoring equipment, so that the information table of the edge monitoring equipment in the period is updated.
Here, the faults of the edge monitoring equipment (such as data recording processing capacity error and CPU computing power insufficiency) and the abnormity existing in the transformer substation obtained after dynamic video image data analysis are comprehensively considered, the accuracy of active false report prevention of power safety is ensured, and if the faults of the edge monitoring equipment exist, corresponding characteristic data (data recording processing capacity and CPU computing power) of the edge monitoring equipment can be updated after the edge cloud feedback inspector repairs the faults, and an information table of the edge monitoring equipment can be updated.
The invention also provides an electric power safety active anti-misoperation system based on neighborhood edge monitoring interconnection, which comprises:
the edge monitoring device comprises a plurality of sensors, a plurality of edge monitoring devices and a control module, wherein the sensors are used for monitoring the working state of power equipment in a transformer substation, acquiring the working state data of the power equipment and transmitting the data to the edge monitoring devices; the working state comprises a standard working state of the power equipment and a real-time working state of the power equipment at each time interval;
the cloud interconnection framework comprises edge clouds and edge monitoring devices, wherein the edge monitoring devices are interconnected with sensors, the sensors are used for monitoring the standard working state of the power equipment in the transformer substation and the real-time working state of each time interval, the standard working state data information of the power equipment is obtained and analyzed and processed, each edge monitoring device establishes a standard information table based on the self state and the obtained standard working state data information, then the data in the standard information table is sent to the interconnected edge monitoring devices, and all the standard information tables form a neighborhood information table;
each edge monitoring device acquires and processes the next period working state data information of the power equipment, establishes a period information table, requests communication to the edge monitoring devices interconnected with the edge monitoring devices, sends the content in the period information table to the edge monitoring devices interconnected with the edge monitoring devices when a response is obtained, the edge monitoring devices interconnected with the edge monitoring devices compare and analyze the received content in the period information table with the information of a neighborhood information table, confirms whether the edge monitoring devices corresponding to the period information table and the monitored power equipment have faults or not, sends active anti-error information to an edge cloud when the faults exist, and broadcasts safety anti-error measures to the edge monitoring devices interconnected with the edge cloud; and each edge monitoring device enters the next time period and updates the time period information table.
Preferably, the system further comprises: 5G mobile communication module and video monitor;
the cloud interconnection architecture also comprises a core cloud, wherein the cloud interconnection architecture is provided with a plurality of edge clouds and a plurality of edge monitoring devices, the edge monitoring devices are in communication interconnection with one edge cloud of the edge clouds based on a 5G mobile communication module, and the edge clouds are in communication interconnection with the core cloud based on the 5G mobile communication module; in the plurality of edge monitoring devices, each edge monitoring device communicates with the edge monitoring device which is interconnected with the edge monitoring device based on a 5G mobile communication module;
when the transformer substation is actively prevented from misoperation in electric power safety and needs video monitoring, the video monitor is connected with the edge monitoring equipment in an interconnected mode, the edge monitoring equipment collects dynamic video image data in the transformer substation through the video monitor and then transmits the dynamic video image data to the edge cloud through the 5G mobile communication module, and the edge cloud processes the dynamic video image data based on an image recognition technology.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention provides an electric power safety active anti-misoperation method and system based on neighborhood edge monitoring interconnection, starting from the configuration of edge monitoring equipment for a transformer substation, the edge monitoring equipment performs data acquisition on the working state of electric power equipment in the transformer substation through a plurality of sensors, a neighborhood information table is established based on the neighborhood monitoring interconnection among the edge monitoring equipment, then the content of the information table in the current time period of the edge monitoring equipment is compared and analyzed with the content of the neighborhood information table based on the interconnection neighborhood edge monitoring equipment of each edge monitoring equipment, whether faults exist is determined, then the information table of each edge monitoring equipment in each time period is dynamically updated, and a traditional top-down passive electric power safety active anti-misoperation system is established by utilizing the powerful cloud computing and service capacity of an edge cloud integrally with the help of a cloud interconnection framework, so that the rapidity of the transformer substation anti-misoperation system is improved, and the stable reliability of electric power production management is ensured.
Drawings
Fig. 1 is a flowchart illustrating an active error prevention method for electrical safety based on neighborhood edge monitoring interconnection in embodiment 1 of the present invention;
fig. 2 shows a flow chart of active error prevention based on neighborhood edge monitoring interconnection after introducing a video monitor in embodiment 2 of the present invention;
fig. 3 is a structural diagram of an electric power safety active anti-error system based on neighborhood edge monitoring interconnection according to embodiment 3 of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for better illustration of the present embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent actual sizes;
it will be understood by those skilled in the art that certain well-known descriptions of the figures may be omitted.
The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
the technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides an active electric power safety error prevention method based on neighborhood edge monitoring interconnection, which has the following overall idea:
the method comprises the steps that starting from the configuration of edge monitoring equipment for a transformer substation, the edge monitoring equipment carries out data acquisition on the working state of power equipment in the transformer substation through multiple sensors, a neighborhood information table is established based on neighborhood monitoring interconnection among the edge monitoring equipment, then, the content of the information table in the current time period of the edge monitoring equipment is compared and analyzed with the content of the neighborhood information table based on the interconnection neighborhood edge monitoring equipment of each edge monitoring equipment, whether faults exist is determined, then, the information table of each edge monitoring equipment in each time period is dynamically updated, and by means of a cloud interconnection framework, the powerful cloud computing and service capacity of an edge cloud is utilized to construct an active power safety anti-misoperation system for replacing the traditional top-down passive anti-misoperation.
Specifically, a flow chart of the implementation of the method can be seen in fig. 1, and the method includes the following steps:
s1, introducing a cloud interconnection framework, wherein the cloud interconnection framework comprises an edge cloud and edge monitoring equipment, and the edge monitoring equipment monitors the standard working state of power equipment in a transformer substation through a sensor to acquire the standard working state data information of the power equipment;
the power equipment involved in the active misoperation prevention of the power safety comprises a power switch of a transformer substation, a lock, a power circuit and the like, the power equipment in the transformer substation is provided with sensors at present, in the embodiment, edge monitoring equipment is interconnected with the sensors, the edge monitoring equipment monitors the standard working state of the power equipment through one or more sensors to acquire the standard working state data information of the power equipment, the standard working state data information of the power equipment comprises the standard voltage and the standard current of the power equipment, and the standard working state refers to the running state of the power equipment when no fault exists in the transformer substation under the normal condition.
In addition, the cloud interconnection architecture of step S1 further includes a core cloud, where the cloud interconnection architecture includes a plurality of edge clouds and a plurality of edge monitoring devices, the plurality of edge monitoring devices are communicatively interconnected with one edge cloud of the plurality of edge clouds based on a 5G network, the plurality of edge clouds are communicatively interconnected with one core cloud based on the 5G network, each edge cloud is composed of server nodes distributed in the same area, and processes a local area information service request to provide a cloud computing service; the edge cloud is in charge of processing data streams between the core cloud and the edge monitoring equipment, and the cloud interconnection cost is reduced, the time delay is reduced and the cloud computing QoS is ensured by utilizing the correlation among the data streams; on the other hand, the edge cloud accesses data required by the cloud computing service; the core cloud is responsible for managing and monitoring resources and services in each edge cloud; in the edge monitoring devices, each edge monitoring device and the edge monitoring devices interconnected with the edge monitoring device are based on 5G network communication.
S2, analyzing standard working state data information by edge monitoring equipment, and establishing a standard information table by each edge monitoring equipment based on the self state and the obtained standard working state data information;
in the process of processing, data fusion is applied, that is, monitoring data information of a plurality of sensors obtained according to a time sequence is automatically analyzed by a fusion center based on the edge monitoring device under a certain criterion to complete required decision and estimation tasks, wherein the fusion center is arranged in the edge monitoring device, and the process is as follows: performing data fusion on the acquired standard working state data information of the power equipment, wherein the data fusion classification method adopts pixel-level fusion and extracts a feature vector from the data-fused information based on a principal component analysis method; the standard information table of each edge monitoring device comprises: the method comprises the steps that standard working state data of the power equipment and self state characteristic data of the edge monitoring equipment are monitored through a sensor, and the self state characteristic data of the edge monitoring equipment comprise data recording and processing capacity and CPU computing power of the edge monitoring equipment.
After each edge monitoring device establishes a standard information table based on the self state and the acquired standard working state data information, step S3 is executed:
s3, each edge monitoring device is communicated with the edge monitoring devices which are interconnected with the edge monitoring device, data in the standard information table are sent to the edge monitoring devices which are interconnected with the edge monitoring devices, and all the standard information tables form a neighborhood information table;
in step S3, each edge monitoring device sends a request for obtaining the content of the standard information table of the interconnected edge monitoring devices to the edge monitoring devices interconnected therewith, and the interconnected edge monitoring devices respond to the request and feed back the content of the standard information table of the edge monitoring devices; based on neighborhood edge monitoring interconnection, preliminarily forming a neighborhood information table containing the contents of the standard information tables of all edge monitoring devices, using the neighborhood information table as a standard for monitoring whether any one edge monitoring device has a fault, and laying a foundation for the construction of an active anti-misoperation system, wherein the final contents of the neighborhood information table comprise the contents of the standard information tables of all the edge monitoring devices.
S4, each edge monitoring device monitors the working state of the power equipment in the next time period through a sensor, acquires and processes the working state data information of the power equipment in the next time period, and establishes a time period information table based on the self state and the acquired working state data information of the next time period;
s5, each edge monitoring device requests communication to the edge monitoring devices connected with the edge monitoring device, and when the edge monitoring devices respond, the content in the time interval information table is sent to the edge monitoring devices connected with the edge monitoring devices;
s6, the edge monitoring equipment interconnected with the edge monitoring equipment compares the received content in the time period information table with the information of the neighborhood information table, confirms whether the edge monitoring equipment corresponding to the time period information table and the monitored power equipment have faults or not, if yes, sends active anti-error information to an edge cloud, and the edge cloud broadcasts safety anti-error measures to the edge monitoring equipment interconnected with the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment.
In step S6, the edge monitoring device interconnected with the edge monitoring device compares and analyzes the content in the received local time period information table with the information in the neighborhood information table, and determines whether the content identifier in the received local time period information table matches with the corresponding identifier in the neighborhood information table, where the content identifier is a characteristic value into which the voltage and current of the power device in the local time period information table or in the neighborhood information table, and the data recording processing capability of the edge monitoring device, and the CPU computing power are uniformly characterized, and is converted into a uniform characteristic value through a series of formulas during specific operation, the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is calculated, a similarity threshold is set, if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is greater than the similarity threshold, the content identifier in the local time period information table is divided into a similarity domain, and if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is less than or equal to the similarity threshold, the content identifier in the local time period information table is divided into a non-similarity domain; in the method, because it cannot be guaranteed that the running state data of the power equipment monitored by each edge monitoring device through the sensor in each time period completely matches the identification in the neighborhood information table, a concept of similarity is introduced, wherein the similarity represents that the similarity can be within an allowable deviation range to avoid accidental injury caused by absolute property, then an active anti-error threshold value is set, when the average value of the content identification in the time period information table in a non-similar domain is larger than the active anti-error threshold value, the edge monitoring device corresponding to the time period information table and the power equipment monitored by the edge monitoring device have faults, active anti-error information is sent to an edge cloud, and the edge cloud broadcasts safety anti-error measures to the edge monitoring devices interconnected with the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment. The information table of each edge monitoring device is dynamically updated through comparison analysis of content identification of the information table and content identification of a standard neighborhood information table by the neighborhood edge monitoring devices which are interconnected with the information table, meanwhile, the pressure of a cloud interconnection framework is relieved based on information intercommunication of each edge monitoring device and the neighborhood edge monitoring devices, and the response speed of active misoperation prevention of electric power safety is improved.
Example 2
In this embodiment, when the transformer substation is actively prevented from misoperation in electric power safety and requires video monitoring, a video monitor is set, the video monitor is interconnected with edge monitoring equipment, the edge monitoring equipment collects dynamic video image data in the transformer substation through the video monitor and transmits the dynamic video image data to an edge cloud through a 5G network, and the edge cloud processes the dynamic video image data based on an image recognition technology.
After a video monitor is introduced, an active error prevention implementation flow chart based on neighborhood edge monitoring interconnection is shown in fig. 2, which is comprehensively considered, namely whether an anomaly exists in a transformer substation or not (for example, data recording and processing capacity is wrong, CPU computing power is insufficient and the like) and whether an anomaly exists in the transformer substation or not are obtained through dynamic video image data analysis, the edge cloud in the cloud interconnection architecture considered in the embodiment 1 is applied in the process, referring to fig. 2, the edge cloud firstly determines whether the edge monitoring equipment has a fault or not according to dynamic video image data transmitted by the edge monitoring equipment, if the fault exists, the edge cloud sends a notice to a patrol worker to repair the edge monitoring equipment, updates the self state of the edge monitoring equipment, and updates the local time period information table of the edge monitoring equipment in each time period; if the fault does not exist, the edge cloud processes the dynamic video image data, whether abnormal personnel break into the transformer substation is confirmed according to the dynamic video image data, if the abnormal personnel break into the transformer substation, the edge cloud broadcasts safety anti-error measures to edge monitoring equipment interconnected with the edge cloud, the safety anti-error measures are transmitted to the core cloud, and a core cloud database is updated; and if no abnormal personnel intrude into the transformer substation, the edge cloud updates the self state of the edge monitoring equipment, so that the information table of the edge monitoring equipment in the period is updated. In the embodiment, from the perspective of introducing a video detector, the accuracy of active false report prevention of power safety is ensured, and if a fault exists in the edge monitoring equipment, after the fault is repaired by an edge cloud feedback inspector, corresponding characteristic data (data recording and processing capacity and CPU calculation capacity) of the edge monitoring equipment can be updated, and an information table of the edge monitoring equipment can be updated.
Example 3
Referring to fig. 3, the present embodiment further provides an electric power safety active anti-error system based on the methods provided in embodiments 1 and 2, and the system includes:
the sensors are arranged according to the marks of the sensor 1 and the sensors 2 and … in fig. 3, and are used for monitoring the working state of the power equipment in the transformer substation, acquiring the working state data of the power equipment and transmitting the data to the edge monitoring equipment; the working state at this time includes a standard working state of the power device and a real-time working state of the power device at each time interval, where the standard working state of the power device is described in embodiment 1, and is not described herein again.
The cloud interconnection architecture A comprises edge clouds and edge monitoring devices, wherein the edge monitoring devices are interconnected with sensors, the sensors are used for monitoring the standard working state of power equipment in a transformer substation and the real-time working state of the power equipment in each time period, the standard working state data information of the power equipment is obtained and analyzed and processed, each edge monitoring device establishes a standard information table based on the self state and the obtained standard working state data information, then the data in the standard information table is sent to the interconnected edge monitoring devices, and all the standard information tables form a neighborhood information table;
each edge monitoring device acquires and processes the data information of the working state of the power equipment in the next period, establishes a period information table, requests communication to the edge monitoring devices which are interconnected with the edge monitoring devices, sends the content in the period information table to the edge monitoring devices which are interconnected with the edge monitoring devices when the response is obtained, the edge monitoring devices which are interconnected with the edge monitoring devices compare and analyze the received content in the period information table with the information of a neighborhood information table, confirms whether the edge monitoring devices corresponding to the period information table and the monitored power equipment have faults or not, sends active anti-error information to an edge cloud when the faults exist, and the edge cloud broadcasts safety anti-error measures to the edge monitoring devices which are interconnected with the edge cloud; and each edge monitoring device enters the next time period and updates the time period information table.
Referring to fig. 3, the system further comprises: 5G mobile communication module and video monitor; as shown in fig. 3, the cloud interconnection architecture further includes a core cloud, where the cloud interconnection architecture includes a plurality of edge clouds and a plurality of edge monitoring devices, the plurality of edge monitoring devices are communicatively interconnected with one edge cloud of the plurality of edge clouds based on the 5G mobile communication module, and the plurality of edge clouds are communicatively interconnected with one core cloud based on the 5G mobile communication module; in the plurality of edge monitoring devices, each edge monitoring device communicates with the edge monitoring device which is interconnected with the edge monitoring device based on a 5G mobile communication module;
when the transformer substation is actively prevented from misoperation in electric power safety and needs video monitoring, the video monitor is connected with the edge monitoring equipment in an interconnected mode, the edge monitoring equipment collects dynamic video image data in the transformer substation through the video monitor and then transmits the dynamic video image data to the edge cloud through the 5G mobile communication module, and the edge cloud processes the dynamic video image data based on an image recognition technology.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A neighborhood edge monitoring interconnection-based active electric power safety anti-misoperation method is characterized by comprising the following steps:
s1, introducing a cloud interconnection framework, wherein the cloud interconnection framework comprises edge clouds and edge monitoring equipment, and the edge monitoring equipment monitors the standard working state of power equipment in a transformer substation through a sensor to acquire the standard working state data information of the power equipment;
s2, analyzing standard working state data information by edge monitoring equipment, and establishing a standard information table by each edge monitoring equipment based on the self state and the obtained standard working state data information;
s3, each edge monitoring device is communicated with the edge monitoring devices which are interconnected with the edge monitoring device, data in the standard information table are sent to the edge monitoring devices which are interconnected with the edge monitoring devices, and all the standard information tables form a neighborhood information table;
s4, each edge monitoring device monitors the working state of the power equipment in the next time period through a sensor, acquires and processes the working state data information of the power equipment in the next time period, and establishes a time period information table based on the self state and the acquired working state data information of the next time period;
s5, each edge monitoring device requests communication to the edge monitoring devices connected with the edge monitoring device, and when the edge monitoring devices respond, the content in the time interval information table is sent to the edge monitoring devices connected with the edge monitoring devices;
s6, the edge monitoring equipment interconnected with the edge monitoring equipment compares the received content in the time period information table with the information of the neighborhood information table, confirms whether the edge monitoring equipment corresponding to the time period information table and the monitored power equipment have faults or not, if yes, sends active anti-error information to an edge cloud, and the edge cloud broadcasts safety anti-error measures to the edge monitoring equipment interconnected with the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment;
in step S6, the edge monitoring device interconnected with the edge monitoring device compares and analyzes the content in the received local time period information table with the information of the neighborhood information table, determines whether the content identifier in the received local time period information table matches with the corresponding identifier in the neighborhood information table, where the content identifier is a characteristic value obtained by uniformly characterizing the voltage and current of the power device in the local time period information table or in the neighborhood information table and the data recording and processing capability of the edge monitoring device, and the computing power of the CPU, calculates the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table, and sets a similarity threshold value, and if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is greater than the similarity threshold value, the content identifier in the local time period information table is divided into a similar domain, and if the similarity between the content identifier in the local time period information table and the corresponding identifier in the neighborhood information table is less than or equal to the similarity threshold value, the content identifier in the local time period information table is divided into a non-similar domain;
setting an active error prevention threshold, when the mean value of the content identification in the time period information table in the non-similar domain is larger than the active error prevention threshold, the edge monitoring equipment and the monitored power equipment corresponding to the time period information table have faults, sending active error prevention information to an edge cloud, and broadcasting safety error prevention measures to the edge cloud and the interconnected edge monitoring equipment by the edge cloud; otherwise, returning to S4, and updating the time interval information table of the edge monitoring equipment.
2. The neighborhood edge monitoring interconnection-based active power safety error prevention method according to claim 1, wherein power equipment involved in active power safety error prevention comprises a substation power switch, a lock and a power line, the power equipment is provided with sensors, in the step S1, the edge monitoring equipment is interconnected with the sensors, the edge monitoring equipment monitors the standard working state of the power equipment through one or more sensors to obtain standard working state data information of the power equipment, and the standard working state data information of the power equipment comprises standard voltage and standard current of the power equipment.
3. The active power safety error prevention method based on neighborhood edge monitoring interconnection according to claim 2, wherein the cloud interconnection architecture of step S1 further comprises a core cloud, wherein the cloud interconnection architecture comprises a plurality of edge clouds and a plurality of edge monitoring devices, the plurality of edge monitoring devices are interconnected with one edge cloud of the plurality of edge clouds based on 5G network communication, the plurality of edge clouds are interconnected with one core cloud based on 5G network communication, each edge cloud is composed of server nodes distributed in the same region, and is used for processing local area information service requests and providing cloud computing services; the edge cloud is in charge of processing data streams between the core cloud and the edge monitoring equipment, and the cloud interconnection cost is reduced, the time delay is reduced and the cloud computing QoS is ensured by utilizing the correlation among the data streams; on the other hand, the edge cloud accesses data required by the cloud computing service; the core cloud is responsible for managing and monitoring resources and services in each edge cloud; in the edge monitoring devices, each edge monitoring device and the edge monitoring devices interconnected with the edge monitoring device are based on 5G network communication.
4. The active electric power safety anti-misoperation method based on neighborhood edge monitoring interconnection according to claim 3, wherein the step S2 comprises the following steps of: the edge monitoring equipment is provided with a fusion center for carrying out data fusion on the acquired data information of the standard working state of the power equipment and extracting a characteristic vector from the data-fused information; the standard information table of each edge monitoring device comprises: the method comprises the steps that standard working state data of the power equipment and self state characteristic data of the edge monitoring equipment are monitored through a sensor, and the self state characteristic data of the edge monitoring equipment comprise data recording and processing capacity and CPU computing power of the edge monitoring equipment.
5. The active electric power safety anti-misoperation method based on neighborhood edge monitoring interconnection according to claim 4, wherein after each edge monitoring device establishes a standard information table based on its own state and the acquired standard working state data information, in step S3, a request for acquiring the content of the standard information table of the interconnected edge monitoring device is sent to the interconnected edge monitoring device, and the interconnected edge monitoring device responds to the request and feeds back the content of the standard information table of itself; the content of the final neighborhood information table includes the content of the standard information table of all the edge monitoring devices.
6. The neighborhood edge monitoring interconnection-based active anti-misoperation method for electric power safety according to claim 5, wherein when the active anti-misoperation of electric power safety of the transformer substation requires video monitoring, a video monitor is set, the video monitor is interconnected with edge monitoring equipment, the edge monitoring equipment acquires dynamic video image data in the transformer substation through the video monitor and then transmits the dynamic video image data to an edge cloud through a 5G network, and the edge cloud processes the dynamic video image data based on an image recognition technology.
7. The active power safety anti-misoperation method based on neighborhood edge monitoring interconnection according to claim 6, wherein the edge cloud determines whether the edge monitoring device has a fault according to dynamic video image data transmitted by the edge monitoring device, if the edge monitoring device has the fault, the edge cloud sends a notification to a patrol worker to repair the edge monitoring device, the edge cloud updates the state of the edge monitoring device, and the information table of the edge monitoring device in each period is updated; if the fault does not exist, the edge cloud processes the dynamic video image data, whether abnormal personnel break into the transformer substation is confirmed according to the dynamic video image data, if the abnormal personnel break into the transformer substation, the edge cloud broadcasts safety anti-error measures to edge monitoring equipment interconnected with the edge cloud, the safety anti-error measures are transmitted to the core cloud, and a core cloud database is updated; and if no abnormal personnel intrude into the transformer substation, the edge cloud updates the self state of the edge monitoring equipment, so that the information table of the edge monitoring equipment in the period is updated.
8. An electric power safety active anti-misoperation system based on neighborhood edge monitoring interconnection, the system comprises:
the edge monitoring device comprises a plurality of sensors, a plurality of edge monitoring devices and a control module, wherein the sensors are used for monitoring the working state of power equipment in a transformer substation, acquiring the working state data of the power equipment and transmitting the data to the edge monitoring devices; the working state comprises a standard working state of the power equipment and a real-time working state of the power equipment at each time interval;
the cloud interconnection framework comprises edge clouds and edge monitoring devices, wherein the edge monitoring devices are interconnected with sensors, the sensors are used for monitoring the standard working state of the power equipment in the transformer substation and the real-time working state of each time interval, the standard working state data information of the power equipment is obtained and analyzed and processed, each edge monitoring device establishes a standard information table based on the self state and the obtained standard working state data information, then the data in the standard information table is sent to the interconnected edge monitoring devices, and all the standard information tables form a neighborhood information table;
each edge monitoring device acquires and processes the next period working state data information of the power equipment, establishes a period information table, requests communication to the edge monitoring devices interconnected with the edge monitoring devices, sends the content in the period information table to the edge monitoring devices interconnected with the edge monitoring devices when a response is obtained, the edge monitoring devices interconnected with the edge monitoring devices compare and analyze the received content in the period information table with the information of a neighborhood information table, confirms whether the edge monitoring devices corresponding to the period information table and the monitored power equipment have faults or not, sends active anti-error information to an edge cloud when the faults exist, and broadcasts safety anti-error measures to the edge monitoring devices interconnected with the edge cloud; each edge monitoring device enters the next time period and updates the time period information table;
when the edge monitoring device interconnected with the edge monitoring device compares and analyzes the received content in the local time period information table with the information of the neighborhood information table, judging whether the content identification in the received local time period information table is matched with the corresponding identification in the neighborhood information table, wherein the content identification is a characteristic value converted by unified characterization of the voltage, the current, the data recording processing capacity of the edge monitoring device and the CPU computing power in the local time period information table or in the neighborhood information table, calculating the similarity between the content identification in the local time period information table and the corresponding identification in the neighborhood information table, setting a similarity threshold value, if the similarity between the content identification in the local time period information table and the corresponding identification in the neighborhood information table is greater than the similarity threshold value, dividing the content identification in the local time period information table to a similar domain, and if the similarity between the content identification in the local time period information table and the corresponding identification in the neighborhood information table is less than or equal to the similarity threshold value, dividing the content identification in the local time period information table to a non-similar domain;
setting an active error prevention threshold, when the mean value of the content identification in the time interval information table in the non-similar domain is greater than the active error prevention threshold, sending active error prevention information to an edge cloud when the edge monitoring equipment and the monitored power equipment corresponding to the time interval information table have faults, and broadcasting safety error prevention measures to the edge monitoring equipment interconnected with the edge cloud by the edge cloud; otherwise, updating the time interval information table of the edge monitoring equipment.
9. The active electrical safety anti-misoperation system based on neighborhood edge monitoring interconnection of claim 8, further comprising: 5G mobile communication module and video monitor;
the cloud interconnection architecture also comprises a core cloud, wherein the cloud interconnection architecture is provided with a plurality of edge clouds and a plurality of edge monitoring devices, the edge monitoring devices are in communication interconnection with one edge cloud of the edge clouds based on a 5G mobile communication module, and the edge clouds are in communication interconnection with the core cloud based on the 5G mobile communication module; in a plurality of edge monitoring devices, each edge monitoring device communicates with the edge monitoring device which is interconnected with the edge monitoring device based on a 5G mobile communication module;
when the transformer substation is actively prevented from misoperation in electric power safety and needs video monitoring, the video monitor is connected with the edge monitoring equipment in an interconnected mode, the edge monitoring equipment collects dynamic video image data in the transformer substation through the video monitor and then transmits the dynamic video image data to the edge cloud through the 5G mobile communication module, and the edge cloud processes the dynamic video image data based on an image recognition technology.
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