WO2022036866A1

WO2022036866A1 - Error-prevention and early-warning system for transformer substation operation

Info

Publication number: WO2022036866A1
Application number: PCT/CN2020/125908
Authority: WO
Inventors: 邝振星; 华耀; 温爱辉; 邱健文; 朱红涛; 林孝斌; 欧冠华; 李朝阳; 罗欣礼; 李存海; 赖家文; 何荣伟; 何文滨
Original assignee: 广东电网有限责任公司清远供电局
Priority date: 2020-08-21
Filing date: 2020-11-02
Publication date: 2022-02-24
Also published as: CN112017411A

Abstract

An error-prevention and early-warning system for transformer substation operation. The system comprises: a speech recognition subsystem (102), which is configured to recognize a speech input; a two-order analysis subsystem (101), which is configured to analyze text content of a work order and an operation order of transformer substation operation, and transmit a keyword to an analysis and alarm subsystem (105); an intelligent positioning subsystem (103), which is configured to perform real-time positioning and distance measurement, and send position information to a three-dimensional model subsystem (104) and the analysis and alarm subsystem (105); the three-dimensional model subsystem (104), which is configured to mark an operation place and position information of an operation person in real time, perform operation route navigation, and display a suggested traveling route in real time; the analysis and alarm subsystem (105), which is configured to perform analysis and send corresponding alarm information; and a system management host (111), which is configured to manage the plurality of subsystems in a centralized manner.

Description

Substation operation error prevention and early warning system

This application claims the priority of a Chinese patent application with application number 202010852110.6 filed with the China Patent Office on August 21, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present disclosure relates to the field of intelligent substations, for example, to a fault prevention and early warning system for substation operations.

Background technique

With the development of science and technology, the power consumption is increasing, and the stability of modern society is more and more dependent on the safe and stable operation of the power system. Among them, the particularity of the substation environment makes the substation a high-risk area for the production and operation of the power grid. How to improve the safety of the substation is an urgent problem to be solved in the power industry.

Domestic substations carry out error prevention and early warning in the following four ways: 1. Adopt the two-invoice system and equip with comprehensive automatic control system, video monitoring system, five defense system and other related auxiliary systems to comprehensively manage operation safety; 2. Improve through practical operation training The skill level of the staff reduces the error rate; 3. Improve the safety awareness of the operators through daily safety education and training; 4. Adopt the two-vote system and paste warning signs in places prone to errors.

However, the above technical solutions have shortcomings that cannot be ignored. The installation of secondary systems such as integrated self-system and five-defense system cannot be analyzed in advance; the substation operation training cannot completely reproduce the actual operation scene, and it is not easy to achieve high-quality visual training; and Safety education and the two-vote system rely too much on operators, and there are great safety hazards.

SUMMARY OF THE INVENTION

In order to solve the related technical problems, the present disclosure provides an error prevention and early warning system for substation operation, so as to realize the analysis and early warning of the operation risk of the substation, and reduce the dependence on human management and control.

The present disclosure provides a fault prevention and early warning system for substation operation, including:

The speech recognition subsystem is configured to perform speech input recognition, extract relevant power system information according to the characteristic keywords extracted by the recognition, and display it;

The two-ticket analysis subsystem is configured to analyze the substation operation work ticket and the text content of the operation ticket, extract the keywords related to the operation, and transmit the keywords to the analysis and alarm subsystem;

The intelligent positioning subsystem is set to perform real-time positioning and ranging, and send the position information to the 3D model subsystem and the analysis and alarm subsystem;

The 3D model subsystem is set to real-time mark the operation location and operator position information in the 3D reality model, navigate the operation route, and display the suggested travel route and the safe area on the route in real time;

The analysis and alarm subsystem is configured to receive the information sent by the voice recognition subsystem, the two-vote analysis subsystem and the intelligent positioning system, and analyze it in combination with the pre-set error prevention and early warning logic, and issue corresponding alarm information;

The system management host is configured to centrally manage the above-mentioned multiple subsystems.

As an optional technical solution, the substation operation error prevention and early warning system further includes a video analysis subsystem, which is configured to analyze the video of the job site in real time, identify the use of safety tools on the job site, and transmit the identification result to the The analysis and alarm subsystem is described; the speech recognition subsystem is also configured to obtain the job site speech data, and after intelligently recognizing the speech data, it is matched with the keywords output in the two-vote analysis subsystem.

As an optional technical solution, the analysis and alarm subsystem: is set to compare the voice recognition keywords of the field operators with the keywords of the two-vote analysis subsystem to determine whether the operation is compliant; receive the recognition results of the video analysis subsystem , to judge whether the use of safety tools and related safety measures are in compliance; automatically plan routes and navigate according to the location information of the operators and the work site, and send the results to the 3D model subsystem for real-time display; according to the real-time distance measured by the intelligent positioning subsystem, Determine whether the operator maintains a sufficient safe distance.

As an optional technical solution, the substation operation error prevention and early warning system further includes a display screen, and the analysis and alarm subsystem is configured to send a real-time display on the display screen and the mobile terminal when illegal operation behaviors are found. Alarm information, and remind relevant responsible persons through voice or mobile phone text messages.

As an optional technical solution, the substation operation error prevention and early warning system further includes an authority management subsystem, which is configured to manage the relevant authority of operators and background monitoring personnel.

As an optional technical solution, the substation operation error prevention and early warning system further includes a portable mobile terminal, the portable mobile terminal is equipped with a high-definition camera and a recording device, and has a built-in positioning label, which is set to perform real-time positioning and recording for the operators. and video, and send data back to the voice recognition subsystem and the intelligent positioning subsystem; and according to the data sent by the three-dimensional model subsystem, the position of the operator in the three-dimensional reality substation and the location of the work site are displayed in real time. Personnel conduct real-time navigation and risk reminders for routes within the station.

As an optional technical solution, the system management host is connected to the five-defense system, and the system management host is further configured to cooperate to realize the function of active prevention and control.

As an optional technical solution, the voice recognition subsystem is configured to: recognize the voice input of the monitoring duty personnel in the background, extract characteristic keywords, and extract relevant system parameters and equipment CAD from the data storage system according to the characteristic keywords. Drawings, system connection diagrams, and related system parameters, equipment CAD drawings, and system connection diagrams are displayed on the display screen; it is also set to recognize the voice input of the background monitoring duty personnel, and convert it into text input and store it in the data storage system for use. Text input such as device status update, event record, etc.

As an optional technical solution, the intelligent positioning subsystem includes a positioning base station, a positioning label, and a data background; wherein, the positioning base station is arranged on the substation site and is configured to receive data sent by the positioning label, and the positioning The tag is built into the portable mobile terminal and the operator's badge, and is set to send positioning signals in real time. The data background is set to receive the information sent by the positioning base station and perform ranging and positioning calculation and analysis.

As an optional technical solution, the substation operation error prevention and early warning system further includes a data storage subsystem configured to store historical data, and the historical data includes substation related drawings, equipment status, historical operation information and historical alarm information at least one of them.

The present disclosure monitors the position of the operator in real time through the intelligent positioning subsystem and the three-dimensional model subsystem, navigates the operation route and marks the safe area on the route, and receives the information sent by other systems through the analysis and alarm subsystem , combined with the pre-set anti-error warning logic to analyze and issue a warning. This process navigates the safe operation route, predicts the operation risks of each link in advance, and monitors the entire operation process in real time. The active analysis of the system reduces the dependence on monitoring personnel, and realizes more accurate and accurate early warning of substation operations. Smarter effects.

Description of drawings

FIG. 1 is a composition diagram of a substation operation anti-error early warning system provided in an embodiment of the present invention;

FIG. 2 is a composition diagram of another substation operation error prevention and early warning system in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a fault prevention and early warning system for substation operation in an embodiment of the present invention.

detailed description

The present disclosure will be described below with reference to the accompanying drawings and embodiments. The embodiments described herein are only used to explain the present disclosure, but not to limit the present disclosure.

In order for those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention are described below, and the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments.

The substation operation error prevention and early warning system provided by the embodiment of the present invention can be used to monitor the substation operation process, timely predict and discover the operator's wrong operation operation, and can effectively ensure the safe operation of the substation operation.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a substation operation error prevention and early warning system provided by an embodiment of the present invention. The substation operation error prevention and early warning system includes: a voice recognition subsystem 101, a two-vote analysis subsystem 102, and an intelligent positioning system. The subsystem 103 , the three-dimensional model subsystem 104 , the analysis and alarm subsystem 105 , and the system management host 111 ; may also include: a portable mobile terminal 107 , a rights management subsystem 108 , a data storage subsystem 109 , and a display screen 110 .

The speech recognition subsystem 101 is configured to perform speech input recognition, and extract and display relevant power system information according to the characteristic keywords extracted by the recognition.

The speech recognition subsystem 101 is equipped with a high-speed and high-precision artificial intelligence speech recognition module, which can be connected with the system host and other functional subsystems to realize the function of recognizing speech input. The speech recognition subsystem 101 can recognize the voice input of the monitoring duty personnel in the background, extract characteristic keywords, and submit the characteristic keywords to the central processing unit (CPU) of the system, and then the CPU can use the characteristic keywords according to the characteristic key The word extracts relevant system parameters, equipment Computer Aided Design (CAD) drawings, system connection diagrams and other information from the data storage subsystem 109 and displays them on the system display screen.

Exemplarily, the speech recognition subsystem 101 can be configured with iFLYTEK's speech recognition AI-specific chip CSK400X, use deep learning algorithms to recognize the voice messages of the monitoring personnel in the background of the substation, and extract the characteristic keywords in the voice messages, such as: The characteristic keyword is the No. 1 step-up transformer drawing, and the keyword is submitted to the CPU for processing. The CPU extracts the CAD drawing of the No. 1 step-up transformer from the data storage subsystem according to the keyword "No. 1 step-up transformer drawing" and displays it in the on the display.

The two-ticket analysis subsystem 102 is configured to analyze the substation operation work ticket and the text content of the operation ticket, extract keywords related to the operation, and transmit the keywords to the analysis and alarm subsystem 105 .

The two-vote analysis subsystem 102 is a natural language processing system, and is equipped with a high-precision Chinese and English natural language processing (Natural Language Processing, NLP) module; keywords related to the job can be keywords such as job purpose, job location, and operating equipment. The high-precision Chinese and English NLP modules configured in the two-ticket analysis subsystem 102 can use the deep long-term and short-term memory neural network to intelligently analyze the substation operation work ticket and the text content of the operation ticket, and extract the key points such as the operation purpose, operation location, and operation equipment. words, and transmit the keywords to the analysis and alerting subsystem 105 .

The intelligent positioning subsystem 103 is configured to perform real-time positioning and ranging, and send the position information to the three-dimensional model subsystem 104 and the analysis and alarm subsystem 105 .

The intelligent positioning subsystem 103 can be an ultra-wideband (UWB) positioning module, including: positioning base station, positioning tag, and data background. This UWB ultra-wideband positioning module belongs to a wireless positioning technology, which can realize high-speed and high-precision Positioning, the positioning accuracy can reach centimeter level. In the substation operation error prevention system, the positioning base station of the intelligent positioning subsystem 103 is arranged on the substation site, and is set to receive the data sent by the positioning tag; the positioning tag can be built in the mobile terminal and the operator's badge, and is set to send the positioning signal in real time. The data background is built in the system management host 105, and is set to receive the positioning base station information and perform ranging and positioning calculation analysis. The intelligent positioning subsystem 103 is configured to perform real-time positioning and ranging for the operator, and send the position information to the three-dimensional model subsystem 104 and the analysis and alarm subsystem 105 for real-time position display and operation route navigation.

The 3D model subsystem 104 is configured to mark the operation site and the location information of the operator in real time in the 3D reality model, conduct operation route navigation, and display the suggested travel route and the safe area on the route in real time.

The three-dimensional model subsystem 104 includes an accurate three-dimensional reality model of the substation, which is obtained through accurate modeling by professional equipment and methods, and can truly and vividly reflect the internal structure of the substation and the connection relationship between the equipment. The 3D model subsystem 104 can receive the positioning information from the intelligent positioning subsystem 103 , mark the operation site and the location information of the operator in the 3D reality model in real time, and display the suggested travel route and the safe area on the route in real time. The system can be displayed on the display screen and the portable mobile terminal carried by the operator at the same time, which can simultaneously enable the background monitoring personnel and the field operators to grasp the working location information in real time, and can quickly and safely reach the designated working place according to the three-dimensional navigation route to avoid mistakes. Entering the work interval poses a personal safety risk.

The analysis and alarm subsystem 105 is configured to receive the information sent by the speech recognition subsystem 101, the two-vote analysis subsystem 102, and the intelligent positioning subsystem 103, and analyze it in combination with the pre-set error prevention and early warning logic, and issue a corresponding alarm information.

The analysis and alarm subsystem 105 receives the keyword information and operator location information sent by the speech recognition subsystem 101, the two-vote analysis subsystem 102, and the intelligent positioning subsystem 103, and can analyze it according to the preset error prevention and early warning logic, The analysis results are connected to the five defense system through the system management host 111. If there is any violation, the system management host 111 will issue an alarm message, and remind relevant responsible persons through voice, mobile phone text messages, etc. Accidents caused by human factors.

The system management host 111 is configured to perform centralized management on the above-mentioned multiple subsystems.

The display screen 110 is the display module of the intelligent anti-error early warning system, which can be assembled from multiple LED display screens, and is connected to the system management host 111. The current status information of the equipment, the navigation of the current operation route, the real-time location of the current operator, and the operation risk alarm information, etc., the display screen provides visual background monitoring for the whole process of the substation operation.

The system management host 111 is the central processing unit of the intelligent anti-error early warning system. It is equipped with a high-performance central processing unit and Windows operating system. It can be equipped with communication modules such as WIFI and optical fibers, as well as various types of communication interfaces. It supports the IEC 61850 protocol. It is used to centrally manage each functional module (subsystem) of the system, and can reasonably allocate system computing resources and storage space according to the current task needs, and can communicate with the substation integrated automation system, five defense system, video surveillance system, The equipment online monitoring system performs real-time information exchange and forwarding. When there is no warning in the entire operation process, the system management host 111 will send an enabling signal to the five defense system, allowing the operator to perform corresponding operations.

The substation operation error prevention and early warning system proposed in the present disclosure can extract key information and perform intelligent analysis from the perspective of text data, voice messages and operator position information on the operation site, and cooperate with fast and high-precision positioning technology and three-dimensional reality model. Carry out advance planning and real-time monitoring of the operation process, and connect the system management host to the substation's own five-defense system and comprehensive automation system, so as to detect and stop various illegal operations in time, and prevent various human-caused safety risks in advance. , which is faster and more accurate than the conventional anti-error early warning system.

Optionally, referring to FIG. 2 , FIG. 2 is another substation operation error prevention and early warning system provided by an embodiment of the present invention, and the substation operation error prevention and early warning system further includes:

A video analysis subsystem 106 , the video analysis subsystem 106 is configured to analyze the video of the job site in real time, identify the usage of safety tools on the job site, and transmit the identification result to the analysis and alarm subsystem 105 .

The video analysis subsystem 106 can be a real-time video analysis system on the job site, equipped with a fast and high-accuracy artificial intelligence image recognition module, mainly for fast analysis of video screenshots, and mainly uses deep convolutional neural networks to perform real-time analysis and processing on the monitoring video of the job site , quickly and accurately identify the use of safety tools on the job site, including safety helmets, work clothes, insulating shoes, safety barriers, warning signs, etc., and transmit the identification results to the analysis and alarm subsystem 105 .

Optionally, the speech recognition subsystem 101 is further configured to acquire job site speech data, and perform intelligent recognition on the speech data to match the keywords output in the two-vote analysis subsystem 102 .

The voice recognition subsystem 101 intelligently recognizes the voice data of the job site staff, matches the keywords output in the two-vote analysis subsystem, verifies whether the “recitation” system is implemented in the operation process, and sends the judgment result to the analysis and analysis system. Alarm subsystem 105 .

Optionally, the analysis and alarm subsystem 105 is also configured to compare the voice recognition keywords of the field operators with the keywords of the two-vote analysis subsystem to determine whether the operation is compliant; it can also be configured to receive the recognition results of the video analysis subsystem to determine safety. Whether the use of tools and related safety measures are compliant; and can automatically plan routes and navigate according to the location information of the operator and the work site, and send the results to the 3D model subsystem for real-time display; can be based on the real-time distance measured by the intelligent positioning subsystem 103 , to determine whether the operator maintains a sufficient safety distance.

The analysis and alarm subsystem 105 can also compare the keywords obtained by the voice recognition subsystem 101 of the field operator with the keywords obtained by the two-vote analysis subsystem 102, and automatically determine whether the operation is compliant; it can automatically plan the route according to the location of the operator and the operation location. and navigate, and send the results to the three-dimensional model subsystem 104, and display it in real time through the display screen 110; it can also automatically judge whether the operator maintains a sufficient safe distance according to the real-time distance measured by the intelligent positioning subsystem 103. If the distance between the operator and the equipment If the distance between them is less than the safe distance or other illegal operation behaviors are found, alarm information will be sent out in real time on the display screen 110 and the portable mobile terminal device 107, and the relevant responsible persons will be reminded through voice, mobile phone text messages, etc.

The authority management subsystem 108 is configured to manage the relevant authority of the operator and the background monitoring personnel, so as to ensure the closed-loop management of the operator.

The portable mobile terminal 107 is equipped with a high-definition camera and a recording device, has a built-in positioning label, and is set to perform real-time positioning, audio recording and video recording of the operator, and return data to the voice recognition subsystem and the intelligent positioning subsystem; and according to the The data sent by the 3D model subsystem 104 displays the location of the operator in the 3D reality substation and the location of the operation site in real time, and provides the operator with real-time route navigation and risk reminders in the station.

The portable mobile terminal 107 can be a high-performance tablet computer, equipped with a high-definition camera and a recording device, and has a built-in positioning tag, which can be set to perform real-time positioning, recording and video recording of the operator, and can return data through the built-in wifi module to respectively. The intelligent positioning subsystem 103, the speech recognition subsystem 101 and the video analysis subsystem 106 perform real-time analysis. In addition, the tablet computer can also display the location of the operator in the three-dimensional reality substation and the location of the operation site in real time, and provide real-time navigation and risk reminders for the operator in the station, so that the operator can quickly, accurately and safely reach the designated work location.

Optionally, the system management host 111 is connected to the five defense system 112, and the system management host 111 is further configured to cooperate to realize the active prevention and control function.

Optionally, the voice recognition subsystem 101 is configured to recognize the voice input of the monitoring personnel on duty in the background, extract characteristic keywords, and extract relevant system parameters, equipment CAD drawings, system connection diagrams from the data storage subsystem 109 according to the characteristic keywords, and It is displayed on the display screen 110; it is also set to recognize the voice input of the background monitoring duty personnel, and convert it into text input and store it in the data storage subsystem 109 for text input such as equipment status update and event records.

The voice recognition subsystem 101 can recognize the voice input of the monitoring duty personnel in the background, extract characteristic keywords, and submit them to the system management host 111, and then the system management host 111 extracts relevant systems from the data storage subsystem 109 according to the characteristic keywords. Parameters, equipment CAD drawings, system connection diagrams and other information are displayed on the display screen 110; the voice recognition subsystem 101 can also obtain the voice data of the video surveillance system operation site through the communication interface of the system management host 111, and intelligently recognize the voice data, And match with the keywords output in the two-vote analysis subsystem 102 to verify whether the "recitation" system is implemented in the operation process; the voice recognition subsystem 101 can also recognize the voice input of the background monitoring personnel on duty, convert it into text input and store it in The designated location in the data storage subsystem 109 can be used for text input such as device status update, event record, etc.

Optionally, the intelligent positioning subsystem 103 includes a positioning base station, a positioning label, and a data background; the positioning base station is arranged on the substation site and is configured to receive data sent by the positioning label, and the positioning label is built in the portable mobile terminal 107 and In the operator's card, it is set to send positioning signals in real time, and the data background is set to receive the information sent by the positioning base station for ranging and positioning calculation and analysis.

The data storage subsystem 109 is configured to store historical data, where the historical data includes at least one of substation related drawings, equipment status, historical operation information and historical alarm information.

Exemplarily, the data storage subsystem 109 may be a large-capacity storage hard disk, which is configured to store historical data such as substation related drawings, equipment status, historical operation information, and historical alarm information. The instruction and communication function searches the relevant equipment drawings in the large-capacity storage hard disk, and downloads them for viewing at the terminal.

Optionally, referring to FIG. 3 , FIG. 3 is a schematic diagram of another substation operation error prevention and early warning system provided by an embodiment of the present invention. The work flow of the substation operation error prevention and early warning system in this embodiment is as follows: the substation operator fills in the work ticket and the operation ticket and uploads it to the two-ticket analysis subsystem; The two-vote analysis subsystem sends the keywords to the analysis and alarm subsystem, and the keywords can be keywords such as job purpose, job location, operating equipment, etc.; the intelligent positioning subsystem puts the job location in the three-dimensional reality model The subsystem will mark and plan the operation route in advance and display it in the 3D model. At the same time, the relevant 3D navigation results will be synchronized in the operator's mobile terminal in real time to guide the operator to the designated operation location.

Optionally, during the travel of the operator, the intelligent positioning subsystem performs precise positioning and ranging, and marks its position in the mobile terminal and the three-dimensional model on the screen in real time. When the distance between the operator and the equipment in the station exceeds a safe distance, That is, alarm information is sent out by the alarm subsystem, and a voice reminder is given through the terminal.

The video analysis subsystem identifies the use of safety tools by operators in real time, and immediately alarms if the safety tools are improperly used.

When the operator reaches the designated work location, he can search the relevant equipment drawings through the portable mobile terminal in real-time voice, and the intelligent positioning subsystem will also judge whether it has reached the accurate position according to the real-time location information.

When there is no alarm in the whole operation process, the system management host will send an enabling signal to the safety system of the substation, such as the five defense system, to allow the operator to perform corresponding operations.

Claims

A fault prevention and early warning system for substation operation, comprising:

The speech recognition subsystem is configured to perform speech input recognition, extract relevant power system information according to the characteristic keywords extracted by the recognition, and display it;

The two-ticket analysis subsystem is configured to analyze the substation operation work ticket and the text content of the operation ticket, extract the keywords related to the operation, and transmit the keywords to the analysis and alarm subsystem;

The intelligent positioning subsystem is set to perform real-time positioning and ranging, and send the position information to the 3D model subsystem and the analysis and alarm subsystem;

The 3D model subsystem is set to real-time mark the operation location and operator position information in the 3D reality model, navigate the operation route, and display the suggested travel route and the safe area on the route in real time;

The analysis and alarm subsystem is configured to receive the information sent by the speech recognition subsystem, the two-vote analysis subsystem and the intelligent positioning system, analyze it in combination with the pre-set error prevention and early warning logic, and issue a message. Corresponding alarm information;

The system management host is configured to centrally manage the above-mentioned multiple subsystems.
The substation operation error prevention and early warning system according to claim 1, further comprising a video analysis subsystem, the video analysis subsystem is configured to analyze the video of the job site in real time, identify the use of safety tools on the job site, and use the identification results. to the analysis and alerting subsystem;

The voice recognition subsystem is further configured to acquire job site voice data, and to perform intelligent recognition on the voice data to match with the keywords output from the two-vote analysis subsystem.
The fault prevention and early warning system for substation operation according to claim 2, wherein the analysis and alarm subsystem:

It is set to compare the speech recognition keywords of the field operators with the keywords of the two-vote analysis subsystem to judge whether the operation is compliant;

Receive the identification results of the video analysis subsystem, and judge whether the use of safety tools and related safety measures are compliant;

According to the location information of the operator and the location of the operation, the route and navigation are automatically planned, and the results are sent to the 3D model subsystem for real-time display;

According to the real-time distance measured by the intelligent positioning subsystem, it is judged whether the operator maintains a sufficient safe distance.
The substation operation error prevention and early warning system according to claim 3, further comprising a display screen, and the analysis and alarm subsystem is configured to issue an alarm in the display screen and the mobile terminal in real time when illegal operation behaviors are found. information, and remind relevant responsible persons through voice or mobile phone text messages.
The fault prevention and early warning system for substation operation according to claim 1, further comprising: an authority management subsystem, which is configured to manage the relevant authority of operators and background monitoring personnel.
The fault prevention and early warning system for substation operation according to claim 1, further comprising a portable mobile terminal, wherein the portable mobile terminal is equipped with a high-definition camera and a recording device, and has a built-in positioning label, which is set to perform real-time positioning, audio recording and video recording for the operator, The data is sent back to the voice recognition subsystem and the intelligent positioning subsystem; and according to the data sent by the three-dimensional model subsystem, the position of the operator in the three-dimensional reality substation and the position of the work site are displayed in real time, and the operator Carry out real-time navigation and risk reminders for routes within the station.
The fault prevention and early warning system for substation operation according to claim 1, wherein the system management host is connected to a five-defense system, and the system management host is further configured to cooperate to realize an active prevention and control function.
The substation operation error prevention and early warning system according to claim 1, wherein the voice recognition subsystem is configured to recognize the voice input of the background monitoring on-duty personnel, extract the characteristic keywords, and extract the characteristic keywords from the data according to the characteristic keywords. Extract relevant system parameters, equipment computer-aided design CAD drawings, and system connection diagrams from the storage system, and display the relevant system parameters, the CAD drawings, and the system connection diagrams on the display screen;

It is also set to recognize the voice input of the monitoring duty personnel in the background, and convert it into text input and store it in the data storage system for text input such as equipment status update and event record.
The substation operation error prevention and early warning system according to claim 1, wherein the intelligent positioning subsystem includes a positioning base station, a positioning label, and a data background; wherein, the positioning base station is arranged on the substation site and is configured to receive the positioning label. For the data sent, the positioning tag is built into the portable mobile terminal and the operator's badge, and is set to send positioning signals in real time, and the data background is set to receive the information sent by the positioning base station and perform ranging and positioning calculation analysis.
The substation operation error prevention and early warning system according to claim 1, further comprising a data storage subsystem configured to store historical data, the historical data comprising at least one of substation related drawings, equipment status, historical operation information and historical alarm information A sort of.