CN117614129A - Distribution network grounding wire safety supervision method and system - Google Patents

Distribution network grounding wire safety supervision method and system Download PDF

Info

Publication number
CN117614129A
CN117614129A CN202311583647.7A CN202311583647A CN117614129A CN 117614129 A CN117614129 A CN 117614129A CN 202311583647 A CN202311583647 A CN 202311583647A CN 117614129 A CN117614129 A CN 117614129A
Authority
CN
China
Prior art keywords
abnormal
abnormality
time
data
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311583647.7A
Other languages
Chinese (zh)
Inventor
宁楠
王�华
侯震
王佩霖
陈克洋
杨政校
王磊
孙睿择
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Power Grid Co Ltd
Original Assignee
Guizhou Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Power Grid Co Ltd filed Critical Guizhou Power Grid Co Ltd
Priority to CN202311583647.7A priority Critical patent/CN117614129A/en
Publication of CN117614129A publication Critical patent/CN117614129A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/24Classification techniques
    • G06F18/243Classification techniques relating to the number of classes
    • G06F18/2433Single-class perspective, e.g. one-against-all classification; Novelty detection; Outlier detection
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/185Electrical failure alarms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00001Circuit 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]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00002Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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
    • H02J13/00022Circuit 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
    • H02J13/00026Circuit 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 involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Biology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Human Computer Interaction (AREA)
  • Artificial Intelligence (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Locating Faults (AREA)

Abstract

The invention discloses a safety supervision method and a safety supervision system for a distribution network grounding wire, which relate to the technical field of high-voltage grounding equipment management and control and comprise a safety supervision method for the distribution network grounding wire; and collecting the ground wire operation data by adopting a non-contact electromagnetic sensor, transmitting the ground wire operation data to a supervision system through a Bluetooth module to analyze and classify the data, analyzing the abnormal data if abnormal data exist, judging that an abnormal cause generates an abnormal report and giving an alarm in time. And an operator determines and processes the root cause of the abnormality according to an abnormality report generated by the supervision system, and the system continuously detects the fault part in a time period until no fault occurs. A distribution network grounding wire safety supervision system comprises a non-contact electromagnetic sensor, a Bluetooth module, a handheld terminal and a distribution network grounding wire supervision system. The invention realizes the intellectualization of the management of the grounding wire of the power distribution network, the transparentization of the process monitoring, the source, the three-dimension and the penetration of the risk management and control, ensures the safety and reduces the personal operation risk.

Description

Distribution network grounding wire safety supervision method and system
Technical Field
The invention relates to the field of high-voltage grounding equipment management and control, in particular to a method and a system for monitoring the safety of a grounding wire of a distribution network.
Background
The grounding wire is an important safety tool for equipment and line maintenance, is used for eliminating residual voltage of equipment to be maintained and preventing accidental power from coming, eliminates personal electric shock accidents, reduces equipment damage, and has great significance for safety of equipment, lines and maintenance personnel. At present, the ground wire has the problems of opaque use process, unknown hanging state, difficult remote supervision and the like in management, the management of the ground wire is dependent on manual inspection, in the management engineering, the hanging state, hanging position and other basic information of the node cannot be monitored in real time, the ground wire cannot be ensured to be always in management and control, and huge potential safety hazards can be buried due to carelessness of staff.
Disclosure of Invention
The invention is provided in view of the existing problems in the safety supervision and system of the distribution network grounding wire.
Therefore, the invention aims to solve the problems of opaque use process, unknown hanging state and difficult remote supervision in the management.
In order to solve the technical problems, the invention provides the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for securely monitoring a ground wire of a distribution network, where the method includes collecting ground wire status data using a non-contact electromagnetic sensor, and transmitting the data to a monitoring system through a bluetooth module. The supervision system analyzes and classifies the data, analyzes the abnormal data if the abnormal data exists, judges the reason of the abnormality to generate an abnormality report and gives an alarm in time. The operator determines the root cause of the abnormality and processes it according to the abnormality report generated by the supervisory system, and the system continues to detect the fault part for a period of time until no fault occurs for that period of time.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the data transmission comprises the steps that the Bluetooth module marks collected data, records time, place and position information of the data, and the supervision system verifies the accuracy of the data, if the data is unlabeled data, the supervision system does not count the data into a database, and the data is waited for the next processing. If abnormal information is uploaded to the supervisory system, the supervisory system analyzes the data, alarms and notifies personnel to process the abnormality.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the abnormality comprises a hanging time abnormality, a hanging position abnormality, a current abnormality and other abnormalities; the abnormal hanging time is that the hanging time is lower than or exceeds a preset time. The abnormal hanging position is that the deviation between the hanging position and the recording position exceeds a preset range. The current anomaly is that the recorded current data exceeds a predetermined range. The other anomalies include equipment damage, weather factors, disaster factors.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the level of the alert is determined by using the Z-score, as follows,
Where X is the value of the data point, μ is the mean, σ is the standard deviation;
abnormality defining three levels of high, medium, and low, divided according to the absolute value of the Z score:
high level anomalies: |z| >2;
middle-level anomaly: 1< |Z|is less than or equal to 2;
low level anomalies: z is less than or equal to 1;
for different priorities, the system automatically classifies and analyzes the submitted abnormal data and identifies the abnormality of the hooking time, the hooking position and the current magnitude. The system associates anomaly data with corresponding ground wire records to determine the frequency, time, and location of anomalies. The system generates an exception report including a trend graph, statistical information, and a geographic location graph of the hooking exception. The system notifies operators and related administrators of the abnormality, and provides an abnormality report.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the analysis of the abnormal data is carried out according to the priority, the current abnormality is high priority, the hooking time abnormality is medium priority abnormality, and the hooking position abnormality is low priority abnormality, and the analysis steps are as follows: if the current is abnormal, judging whether the current is high-level abnormal, if so, immediately stopping the current, notifying personnel, releasing the flow of the work ticket and the operation ticket by the supervision system, checking the current sensor, the connection mode and the current range by the personnel, determining the reason, and executing necessary maintenance or repair operation; at this time, the staff should deal with the current abnormality immediately, and the supervision system continues to analyze whether other abnormalities exist, and the staff uses the handheld terminal to check the abnormal situation, deal with the abnormality, and update the abnormality report. If the current is abnormal at the middle level, the current is stopped immediately, personnel is notified, and the supervision system releases the flow of the operation ticket, the personnel checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; analyzing whether the hanging time is abnormal or not, if so, confirming the deviation between the hanging time and the planned time, and determining the priority of the abnormal hanging time; at this time, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, the abnormal condition comprises time difference and reason, and the current is synchronously uploaded to the supervision system. Analyzing whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the priority of the abnormal hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording abnormal data of the current period; if the position deviation is too large, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and combines with other abnormal synchronous processing. If the current abnormality is low-level abnormality, the current should be stopped immediately to inform personnel, but at the moment, the current abnormality should normally execute the flow of the work ticket and the operation ticket in a controllable range, and simultaneously, the analysis is continued to judge whether other abnormalities exist; recording an abnormal condition and updating an abnormal report. If the hooking time abnormality occurs synchronously at this time, confirming the deviation between the hooking time and the planned time, and determining the level of the hooking time abnormality; if the current hanging time is abnormal at a high level, the supervision system releases the flow of the operation ticket, and the staff checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; and checking the reason and time difference of the abnormal hanging time, recording the abnormal hanging time condition, and synchronously uploading the monitoring system to be processed by the staff. If the hanging time abnormality is middle-level abnormality or low-level abnormality, the supervision system should execute the flow of the work ticket and the operation ticket to confirm the deviation of the hanging time and the planning time; at this time, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, the time difference and the reason are included, the monitoring system is synchronously uploaded, and staff process the abnormal condition. Judging whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the abnormal level of the hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording the abnormal data of the current period; if the position deviation is too large, namely, the high-level abnormal condition is caused, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and other abnormal synchronous processing is combined. If no current abnormality occurs, continuously analyzing whether the hanging time abnormality occurs, if the current is in a controllable range at the moment, continuously executing the flow of the work ticket and the operation ticket by the supervision system, checking the reason and the time difference of the hanging time abnormality, recording the hanging time abnormality condition, and synchronously uploading the supervision system to inform the staff of processing the hanging time abnormality. At this time, whether the hanging position is abnormal or not is synchronously checked, if the hanging position is abnormal at the same time, the supervision system shall release the flow of the operation ticket and break the current, the supervision system generates an abnormal report, positions the cause and the position of the fault, and informs the staff to process. If no current abnormality occurs and the generated hooking time abnormality is a middle-level abnormality or lower, if the hooking position abnormality occurs synchronously, the supervisory system executes the flow of the work ticket and the operation ticket, checks the reason and the time difference of the hooking time abnormality, records the hooking time abnormality and the hooking position abnormality, synchronously uploads the supervisory system, generates an abnormality report, and informs the staff to process the abnormality report. If the abnormality does not occur, the staff should be informed to adopt the field detection, judge the cause of the fault and record the abnormal data. If the sudden abnormality occurs, positioning the fault reason and the position according to the analysis, and carrying out early warning according to the warning degree.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the determination of the alert includes,
the abnormal ground wire current alarm criterion is that,
I G ≥k G1 I rated
wherein I is G K is the current flowing in the grounding wire G1 I is the current flow coefficient of the grounding wire rated The current abnormal alarm value of the grounding wire;
the method for judging the abnormal connection time of the grounding wire is that,
wherein L is G K is the distance between the ground wire monitor and the maintenance line G2 L is the distance coefficient of the grounding wire rated Is a ground wire monitorAnd (3) overhauling the set value between the lines, judging that the ground wire is successfully hooked or successfully taken off after the set value meets the ground wire hooking state criterion, and judging the ground wire hooking time by recording the successful hooking time and the successful taking off time.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the supervision system receives the data uploaded by the Bluetooth module, including the photo, time, place, current size and description information, and stores the data in a database. The data is verified during storage to ensure the integrity and accuracy of the data, and verification includes checking the necessary filling field, the correctness of the data format and the rationality of the time stamp, and any data which does not pass verification should be marked as unreliable and needs further processing or correction. When the abnormal data is received, the abnormal data is classified into different abnormal types by the time stamp and the description information. The abnormal data is marked and associated with the relevant ground wire records, and whether the abnormal condition is related to a specific ground wire or a specific position is determined through geographic coordinates and equipment identification. The indicia generally include the type of exception, the degree of urgency, and the status of the process; the emergency degree is determined according to the abnormal priority, so that the processing state is confirmed by the verification of the operation ticket. Further analysis of the classified anomaly data includes generating anomaly reports and charts including statistics of anomaly counts, timelines, geographical distribution, and anomaly details. And sending a notification to related operators and management personnel, notifying the classified abnormal conditions and related reports, including detailed information of abnormal data and treatment plans.
As a preferable scheme of the distribution network grounding wire safety supervision method, the invention comprises the following steps: the process includes the operator and manager accessing the supervisory system to view the generated exception report and related data. Using reporting and graphical tools to perform data analysis to determine the root cause of the anomaly, and determining whether the anomaly is caused by a location, equipment or operator; if the operation ticket is verified, the operation ticket is judged by an operator and the operation time, and the abnormal reason is judged by the inspection operation flow; if not, checking the abnormality detailed information according to the abnormality report, judging the abnormality cause, and confirming the abnormality root cause by combining the environment factors. If the processing steps are implemented, the system updates the relevant data and archives the problem records for future reference.
In a second aspect, an embodiment of the present invention provides a safety supervision system for a distribution network ground wire, including: a hardware portion and a software portion; the hardware part comprises a non-contact electromagnetic sensor and a Bluetooth module. The software part comprises a handheld terminal and a distribution network ground wire supervision system module.
As a preferable scheme of the distribution network grounding wire safety supervision system, the invention comprises the following steps: the hardware part is fixedly arranged on the grounding wire body, corresponds to the grounding wires one by one, collects, identifies and transmits the grounding wire hanging state wirelessly, uses the non-contact electromagnetic sensor to collect grounding wire state data, comprises data which are used and not used, transmits the data to the handheld terminal through the Bluetooth module, and uploads the information of the current state, time and place of the grounding wires to the distribution network grounding wire supervision system module after the data are locally processed by the terminal. The software part realizes management of the input and output of the ground wire, positioning of the hooking position and perception of the hooking state; the handheld terminal shoots, records and uploads the information of the hanging position of the grounding wire to the monitoring system module of the grounding wire of the distribution network, the monitoring system module of the grounding wire of the distribution network analyzes the information uploaded by the handheld terminal, judges the hanging position, the hanging time and the current of the grounding wire by applying image recognition and data comparison, and if the problem exists, the system sends out alarm information.
The invention has the beneficial effects that the state of the grounding wire can be acquired through the non-contact electromagnetic sensor, the monitoring system is utilized to realize the visualization of the hanging position of the grounding wire, the field application condition of the grounding wire is monitored remotely, and the data of abnormal hanging of the grounding wire, such as the hanging time, the hanging position and the current flowing through the grounding wire, are stored. The intelligent management, process monitoring and transparentization of the power distribution network grounding wire are realized, the source, the three-dimension and the penetration of risk management and control are realized, the intrinsic safety of the grounding wire is ensured, and the personal operation risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic structural diagram of a safety supervision system for a distribution network ground wire according to the present invention;
fig. 3 is a schematic diagram of a distribution network ground wire monitor according to the present invention, where: 1-a ground wire body; a 2-ground wire monitor comprising: non-contact electromagnetic sensor, bluetooth module.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to fig. 3, in a first embodiment of the present invention, a method for securely supervising a ground wire of a distribution network is provided, including:
s1, collecting operation data of a grounding wire by adopting a non-contact electromagnetic sensor, and transmitting the operation data to a supervision system through a Bluetooth module.
The staff uses the handheld terminal device to record the attach time, position and current magnitude range data, including take pictures, fill out forms and add descriptions.
When an operator finds an anomaly, he can take a picture using the handheld terminal, wherein the picture should clearly show the anomaly, such as an ammeter reading, ground wire position or any anomaly.
The staff members fill out the relevant forms including the time of attachment, location, current magnitude, description and any other relevant information, and upload the taken pictures and the filled-in data to the supervision system.
After the system receives the uploaded data, verification is performed to ensure the integrity and accuracy of the data. Data verification includes checking mandatory fields, format verification, etc.
According to the verification result, the system marks the abnormal data as to be processed for subsequent analysis and processing.
S2, the supervision system analyzes and classifies the data, analyzes the abnormal data if the abnormal data exists, judges that the abnormal cause generates an abnormal report and gives an alarm in time.
The exception types include:
abnormal hanging time: the hooking time is far beyond or below the predetermined time.
Abnormal hanging position: the hooking position is deviated too far from the recorded position, so that the marked position is abnormal.
Current anomaly: whether the current is outside the normal range to determine current anomalies.
Other exception types: such as equipment damage or external factor interference.
When an abnormality occurs, the system firstly carries out grading judgment according to the abnormality grade, carries out judgment according to the most important starting judgment and the threshold value, when a major accident occurs, the supervision system automatically generates an operation ticket, thereby facilitating the rapid processing of staff, and when the abnormality is searched, the detection is not stopped so as to detect whether the subsequent grade has faults or not
The different alarm levels for anomalies include:
the Z-score is used to determine the level of anomaly, as follows,
where X is the value of the data point, μ is the mean, σ is the standard deviation;
abnormality defining three levels of high, medium, and low, divided according to the absolute value of the Z score:
high level anomalies: |z| >2;
middle-level anomaly: 1< |Z|is less than or equal to 2;
low level anomalies: z is less than or equal to 1;
aiming at different levels, the system automatically classifies and analyzes the submitted abnormal data and identifies the abnormality of the hooking time, the hooking position and the current magnitude;
The system associates the abnormal data with the corresponding ground wire records to determine the frequency, time and place of the abnormality; generating an abnormality report, wherein the abnormality report comprises a trend graph, statistical information and a geographic position diagram of the hooking abnormality; notifying operators and related management personnel, indicating an abnormal condition, and providing an abnormality report.
The abnormal data is analyzed according to the priority, the current abnormality is high priority, the hooking time abnormality is medium priority abnormality, the hooking position abnormality is low priority abnormality, the steps of analysis are as follows,
if the current is abnormal, judging whether the current is high-level abnormal, if so, immediately stopping the current, notifying personnel, releasing the flow of the work ticket and the operation ticket by the supervision system, checking the current sensor, the connection mode and the current range by the personnel, determining the reason, and executing necessary maintenance or repair operation; at this time, the staff should deal with the current abnormality immediately, and the supervision system continues to analyze whether other abnormalities exist, and the staff uses the handheld terminal to check the abnormality, deal with the abnormality, and update the abnormality report;
if the current is abnormal at the middle level, the current is stopped immediately, personnel is notified, and the supervision system releases the flow of the operation ticket, the personnel checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; analyzing whether the hanging time is abnormal or not, if so, confirming the deviation between the hanging time and the planned time, and determining the priority of the abnormal hanging time; at the moment, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, wherein the abnormal condition comprises time difference and reason, and the current is synchronously uploaded to a supervisory system;
Analyzing whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the priority of the abnormal hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording abnormal data of the current period; if the position deviation is too large, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and combines other abnormal synchronous processing;
if the current abnormality is low-level abnormality, the current should be stopped immediately to inform personnel, but at the moment, the current abnormality should normally execute the flow of the work ticket and the operation ticket in a controllable range, and simultaneously, the analysis is continued to judge whether other abnormalities exist; recording an abnormal condition and updating an abnormal report;
if the hooking time abnormality occurs synchronously at this time, confirming the deviation between the hooking time and the planned time, and determining the level of the hooking time abnormality; if the current hanging time is abnormal at a high level, the supervision system releases the flow of the operation ticket, and the staff checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; checking the reason and time difference of the abnormal hanging time, recording the abnormal hanging time condition, and synchronously uploading the monitoring system to be processed by staff;
If the hanging time abnormality is middle-level abnormality or low-level abnormality, the supervision system should execute the flow of the work ticket and the operation ticket to confirm the deviation of the hanging time and the planning time; at the moment, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, wherein the abnormal condition comprises time difference and reason, the current is synchronously uploaded to a supervision system, and workers process the current;
judging whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the abnormal level of the hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording the abnormal data of the current period; if the position deviation is too large, namely, a high-level abnormal condition, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and combines other abnormal synchronous processing;
if no current abnormality occurs, continuously analyzing whether the hanging time abnormality occurs, if the current is in a controllable range at the moment, continuously executing the flow of the work ticket and the operation ticket by the supervision system, checking the reason and the time difference of the hanging time abnormality, recording the hanging time abnormality condition, and synchronously uploading the supervision system to inform the staff of processing the hanging time abnormality;
At the moment, synchronously checking whether the hanging position is abnormal or not, if the hanging position is abnormal at the same time, releasing the flow of the operation ticket by the supervision system, cutting off the current, generating an abnormal report by the supervision system, positioning the reason and the position of the fault, and notifying the staff to process;
if no current abnormality occurs and the generated hooking time abnormality is a middle-level abnormality or lower, if the hooking position abnormality occurs synchronously, the supervisory system executes the flow of the work ticket and the operation ticket, checks the reason and the time difference of the hooking time abnormality, records the hooking time abnormality and the hooking position abnormality, synchronously uploads the supervisory system, generates an abnormality report, and informs the staff to process the abnormality report;
if the abnormality does not occur, notifying a worker to adopt field detection, judging the cause of the fault and recording abnormal data;
if the sudden abnormality occurs, positioning the fault reason and the position according to the analysis, and carrying out early warning according to the warning degree.
Further, the basis of the alarm includes:
the abnormal ground wire current alarm criterion is that,
I G ≥k G1 I rated
wherein I is G K is the current flowing in the grounding wire G1 For the current flowing coefficient of the grounding wire, 1.05 is taken rated And (5) an abnormal alarming value of the grounding wire current. The non-contact electromagnetic sensor is used for collecting the current of the grounding wire, and when the abnormal alarming criterion of the current of the grounding wire is met and the time delay is carried out, the system sends out an abnormal alarming signal of the current of the grounding wire.
The method for judging the abnormal connection time of the grounding wire is that,
wherein L is G For the distance between the ground wire monitor and the maintenance line, k can be obtained by ultrasonic ranging G2 Taking 1.05L as the distance coefficient of the grounding wire rated In order to set a distance between the ground wire monitor and the maintenance line, when the ground wire hanging state criterion is met, the ground wire can be judged to be successfully hung or successfully taken off after a time delay, and the ground wire hanging time can be judged by recording the successful hanging time and the successful taking-off time. The supervision system judges the consistency and the correctness of the ground wire hanging time and the working time recorded by the working ticket or the operation ticket and the like by comparing the data of the ground wire hanging time, the uploading information of the handheld terminal and the information of the working ticket and the operation ticket of the power grid management platform, and the like, so that the supervision system has the problem that the supervision system sends out abnormal alarm information of the ground wire hanging time.
The system automatically classifies and analyzes the abnormal data submitted by the user, identifies the abnormal of the hanging time, the hanging position and the current, correlates the abnormal data with the corresponding ground wire records to determine the frequency, the time and the place of the abnormal, generates an abnormal report, comprises a trend chart, statistical information and a geographic position diagram of the hanging abnormal, informs operators and related management personnel, indicates the abnormal condition, and provides a reported access link.
In the face of sudden anomalies, rapid localization and handling is required to minimize potential damage and ensure grid stability:
the state, current, hanging position and the like of the grounding wire are monitored by means of a real-time monitoring system.
An alarm system is provided to immediately notify the relevant operator when an abnormality occurs.
Deploying an automated alarm system to send notifications to relevant personnel when an anomaly is detected, and when an alarm is received, sending a professional to the field for field inspection including inspection of the hooking location, current sensor, connection and maintenance equipment; at the same time, analysis of the anomaly data is started to understand the nature and cause of the anomaly. The abnormal data is compared with the normal data to find the root cause of the abnormality.
The detailed information of the abnormal situation is recorded, including occurrence time, processing procedure, measures taken, etc. This facilitates subsequent accident investigation and improvement.
After the exception is handled, subsequent tracking and review is performed to ensure that the problem has been resolved and that there is no potential risk.
S3, an operator determines and processes the root cause of the abnormality according to an abnormality report generated by the supervision system, and the system continuously detects the fault part in a time period until no fault occurs in the time period.
The supervision system receives the data uploaded by the Bluetooth module, including photos, time, place, current size and description information, and stores the data in a database;
the data is verified during storage to ensure the integrity and accuracy of the data, the verification comprises checking the necessary filling field, the correctness of the data format and the rationality of the time stamp, and any data which does not pass the verification should be marked as unreliable and needs further processing or correction;
when abnormal data is received, classifying the abnormal data, and classifying the abnormal data into different abnormal types by using time stamps and description information;
marking the abnormal data and correlating the abnormal data with the related ground wire records, and determining whether the abnormal condition is related to a specific ground wire or a specific position through geographic coordinates and equipment identification;
the indicia generally include the type of exception, the degree of urgency, and the status of the process; determining the emergency degree according to the abnormal priority, and confirming the processing state by verifying the operation ticket;
further analysis of the classified anomaly data includes generating anomaly reports and graphs including statistics of anomaly quantity, timelines, geographical distribution, and anomaly details;
and sending a notification to related operators and management personnel, notifying the classified abnormal conditions and related reports, including detailed information of abnormal data and treatment plans.
Operators and management personnel access the supervision system to check the generated abnormal report and related data;
using reporting and graphical tools to perform data analysis to determine the root cause of the anomaly, and determining whether the anomaly is caused by a location, equipment or operator; if the operation ticket is verified, the operation ticket is judged by an operator and the operation time, and the abnormal reason is judged by the inspection operation flow; if not, checking the abnormality detailed information according to the abnormality report, judging the abnormality cause, and confirming the abnormality root cause by combining the environment factors;
if the processing steps are implemented, the system updates the relevant data and archives the problem records for future reference.
Further, this embodiment also provides a safety supervision system for a distribution network ground wire, including: the hardware part and the software part,
the hardware part comprises a non-contact electromagnetic sensor and a Bluetooth module;
the software part comprises a handheld terminal and a distribution network grounding wire supervision system module.
The hardware part is fixedly arranged on the grounding wire body and corresponds to the grounding wires one by one, the grounding wire hanging state is collected, identified and wirelessly transmitted, the non-contact electromagnetic sensor is used for collecting grounding wire state data, the data comprise used and unused data, the data are transmitted to the handheld terminal through the Bluetooth module, and after the data are locally processed by the terminal, the current state, time, place and other information of the grounding wires are uploaded to the supervision system;
The software part can realize the access management of the ground wire, the positioning of the hanging position and the sensing of the hanging state, the handheld terminal shoots, records and uploads the information of the hanging position of the ground wire to the supervisory system, the supervisory system analyzes the information uploaded by the monitor and the handheld terminal, the image recognition and the data comparison are applied to judge the hanging position, the hanging time and the current of the ground wire, and if the problem exists, the system sends out alarm information.
The non-contact electromagnetic sensor is manufactured by utilizing ohm law and electromagnetic induction principle, the self voltage of the non-contact electromagnetic sensor is lower, the equipment structure is simpler, and most importantly, the direct contact with a high-voltage charged body is avoided, the electromagnetic interference can be greatly reduced, the service life of the equipment is indirectly prolonged, meanwhile, the measurement data is more accurate, so that the hanging state sensing is realized,
the Bluetooth module is internally provided with a unique authentication address and is used for transmitting and uploading the grounding wire state information acquired by the non-contact electromagnetic sensor to the handheld terminal, so that the remote monitoring of the grounding wire state information is realized.
The software part can realize the management of the access of the ground wire, the positioning of the hanging position, the perception of the hanging state and the like. The handheld terminal shoots, records and uploads information such as the hanging position of the grounding wire to the supervision system, the supervision system analyzes big data of the information uploaded by the monitor and the handheld terminal, the work ticket and the operation ticket information of the power grid management platform, and judges consistency and correctness of the hanging position of the grounding wire and the filling position of the work ticket or the operation ticket in a peer-to-peer mode by applying image identification and data comparison, so that problems exist, and the system sends out alarm information.
On one hand, the handheld terminal receives the state data of the grounding wire collected by the non-contact electromagnetic sensor through Bluetooth, on the other hand, photographs after the grounding wire is hung, records the hanging position data of the grounding wire, and then uploads the state data of the grounding wire and the hanging position data of the grounding wire to the supervision system.
The storage medium according to the present embodiment belongs to the same inventive concept as the data storage method according to the above embodiment, and technical details not described in detail in the present embodiment can be seen in the above embodiment, and the present embodiment has the same advantageous effects as the above embodiment.
Example 2
The embodiment provides a safety supervision method for a distribution network grounding wire, and in order to verify the beneficial effects of the invention, scientific demonstration is carried out through economic benefit calculation and simulation experiments.
The superiority of this supervision system over the conventional art can be seen in table 1:
table 1 prior art comparison table
Features/advantages The invention is that Prior art (traditional manner)
Monitoring mode Real-time monitoring Typically periodic inspection or periodic testing
Alarm mode Automated alert Relying on manual discovery and alerting
Abnormal data Determination of abnormality type by in-depth analysis Limited data analysis capability
Distribution wire monitoring Remote monitoring Usually requires on-site personnel to inspect
Cost of manual inspection Reducing labor cost Rely on a large amount of manual inspection
Distribution line maintenance Preventive maintenance Mainly for post-repair and repair
System stability Stability is improved System stability is limited by manual inspection
Data transmission mode Bluetooth module Manual inspection/manual recording
Intelligent degree of supervision system High height Low, mainly rely on manual judgment
This table content highlights several advantages of contactless electromagnetic sensor based supervision systems over conventional techniques. This includes real-time, degree of automation, depth data analysis, remote monitoring capabilities, reduced labor costs, preventive maintenance, and improved system stability. The characteristics enable the supervision system to be more intelligent, the potential problems can be effectively monitored, analyzed and responded, and the reliability and the operation efficiency of the power system are improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (10)

1. The safety supervision method for the distribution network grounding wire is characterized by comprising the following steps of: comprising the steps of (a) a step of,
collecting state data of a grounding wire by adopting a non-contact electromagnetic sensor, and transmitting the data to a supervision system through a Bluetooth module;
the supervision system analyzes and classifies the data, analyzes the abnormal data if the abnormal data exists, judges that the cause of the abnormality generates an abnormality report and gives an alarm in time;
the operator determines the root cause of the abnormality and processes it according to the abnormality report generated by the supervisory system, and the system continues to detect the fault part for a period of time until no fault occurs for that period of time.
2. The distribution network ground wire safety supervision method according to claim 1, wherein: the data transmission may comprise a data transmission comprising,
the Bluetooth module marks the collected data, records time, place and position information of the data, and the supervision system verifies the accuracy of the data, if the data is unmarked, the supervision system does not count the data into a database, and waits for the next processing;
if abnormal information is uploaded to the supervisory system, the supervisory system analyzes the data, alarms and notifies personnel to process the abnormality.
3. The distribution network ground wire safety supervision method according to claim 2, wherein: the abnormality comprises a hanging time abnormality, a hanging position abnormality, a current abnormality and other abnormalities;
The abnormal hanging time is that the hanging time is lower than or exceeds a preset time;
the abnormal hanging position is that the deviation between the hanging position and the recorded position exceeds a preset range;
the current anomaly is that recorded current data exceeds a preset range;
the other anomalies include equipment damage, weather factors, disaster factors.
4. A method for securely monitoring a distribution network ground wire according to claim 3, wherein: the level of the alert is determined by using the Z-score, as follows,
where X is the value of the data point, μ is the mean, σ is the standard deviation;
defining three classes of anomalies, high, medium and low, divided according to the absolute value of the Z score,
high level anomalies: |z| >2;
middle-level anomaly: 1< |Z|is less than or equal to 2;
low level anomalies: z is less than or equal to 1;
aiming at different priorities, the supervision system automatically classifies and analyzes the submitted abnormal data and identifies the abnormality of the hooking time, the hooking position and the current magnitude;
the supervision system associates the abnormal data with the corresponding ground wire records to determine the frequency, time and place of the abnormality;
the supervision system generates an abnormality report which comprises a trend graph, statistical information and a geographic position graph of the hooking abnormality;
The supervisory system notifies the operator and the associated manager and provides exception reporting.
5. The distribution network ground wire safety supervision method according to claim 4, wherein: the analysis of the abnormal data is carried out according to the priority, the current abnormality is high priority, the hooking time abnormality is medium priority abnormality, the hooking position abnormality is low priority abnormality, the analysis steps are as follows,
if the current is abnormal, judging whether the current is high-level abnormal, if so, immediately stopping the current, notifying personnel, releasing the flow of the work ticket and the operation ticket by the supervision system, checking the current sensor, the connection mode and the current range by the personnel, determining the reason, and executing necessary maintenance or repair operation; at this time, the staff should deal with the current abnormality immediately, and the supervision system continues to analyze whether other abnormalities exist, and the staff uses the handheld terminal to check the abnormality, deal with the abnormality, and update the abnormality report;
if the current is abnormal at the middle level, the current is stopped immediately, personnel is notified, and the supervision system releases the flow of the operation ticket, the personnel checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; analyzing whether the hanging time is abnormal or not, if so, confirming the deviation between the hanging time and the planned time, and determining the priority of the abnormal hanging time; at the moment, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, wherein the abnormal condition comprises time difference and reason, and the current is synchronously uploaded to a supervisory system;
Analyzing whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the priority of the abnormal hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording abnormal data of the current period; if the position deviation is too large, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and combines other abnormal synchronous processing;
if the current abnormality is low-level abnormality, the current should be stopped immediately to inform personnel, but at the moment, the current abnormality should normally execute the flow of the work ticket and the operation ticket in a controllable range, and simultaneously, the analysis is continued to judge whether other abnormalities exist; recording an abnormal condition and updating an abnormal report;
if the hooking time abnormality occurs synchronously at this time, confirming the deviation between the hooking time and the planned time, and determining the level of the hooking time abnormality; if the current hanging time is abnormal at a high level, the supervision system releases the flow of the operation ticket, and the staff checks the current sensor, the connection mode and the current range, determines the reason and executes necessary maintenance or repair operation; checking the reason and time difference of the abnormal hanging time, recording the abnormal hanging time condition, and synchronously uploading the monitoring system to be processed by staff;
If the hanging time abnormality is middle-level abnormality or low-level abnormality, the supervision system should execute the flow of the work ticket and the operation ticket to confirm the deviation of the hanging time and the planning time; at the moment, the current is still in an interruption state, the abnormal condition of the hanging connection is recorded, wherein the abnormal condition comprises time difference and reason, the current is synchronously uploaded to a supervision system, and workers process the current;
judging whether the hanging position is abnormal or not again, if so, confirming the difference between the actual position and the recorded position of the grounding wire, judging the abnormal level of the hanging position, and if the position difference does not cause equipment damage or safety problem, repairing in the next maintenance period and recording the abnormal data of the current period; if the position deviation is too large, namely, a high-level abnormal condition, the supervision system synchronously uploads the abnormal data of the hanging position to the handheld terminal of the staff, and combines other abnormal synchronous processing;
if no current abnormality occurs, continuously analyzing whether the hanging time abnormality occurs, if the current is in a controllable range at the moment, continuously executing the flow of the work ticket and the operation ticket by the supervision system, checking the reason and the time difference of the hanging time abnormality, recording the hanging time abnormality condition, and synchronously uploading the supervision system to inform the staff of processing the hanging time abnormality;
At the moment, synchronously checking whether the hanging position is abnormal or not, if the hanging position is abnormal at the same time, releasing the flow of the operation ticket by the supervision system, cutting off the current, generating an abnormal report by the supervision system, positioning the reason and the position of the fault, and notifying the staff to process;
if no current abnormality occurs and the generated hooking time abnormality is a middle-level abnormality or lower, if the hooking position abnormality occurs synchronously, the supervisory system executes the flow of the work ticket and the operation ticket, checks the reason and the time difference of the hooking time abnormality, records the hooking time abnormality and the hooking position abnormality, synchronously uploads the supervisory system, generates an abnormality report, and informs the staff to process the abnormality report;
if the abnormality does not occur, notifying a worker to adopt field detection, judging the cause of the fault and recording abnormal data;
if the sudden abnormality occurs, positioning the fault reason and the position according to the analysis, and carrying out early warning according to the warning degree.
6. The distribution network ground wire safety supervision method according to claim 5, wherein: the determination of the alert includes,
the abnormal ground wire current alarm criterion is that,
I G ≥k G1 I rated
Wherein I is G K is the current flowing in the grounding wire G1 I is the current flow coefficient of the grounding wire rated The current abnormal alarm value of the grounding wire;
the method for judging the abnormal connection time of the grounding wire is that,
wherein L is G K is the distance between the ground wire monitor and the maintenance line G2 L is the distance coefficient of the grounding wire rated In order to set a distance between the ground wire monitor and the maintenance line, when the ground wire hanging state criterion is met, the ground wire can be judged to be successfully hung or successfully taken off after a time delay, and the successful hanging time and the successful taking-off time are recordedThe ground wire connection time can be determined.
7. The distribution network ground wire safety supervision method according to claim 1, wherein: the supervision system receives the data uploaded by the Bluetooth module, including photos, time, place, current size and description information, and stores the data in a database;
the data is verified during storage to ensure the integrity and accuracy of the data, the verification comprises checking the necessary filling field, the correctness of the data format and the rationality of the time stamp, and any data which does not pass the verification should be marked as unreliable and needs further processing or correction;
when abnormal data is received, classifying the abnormal data, and classifying the abnormal data into different abnormal types by using time stamps and description information;
Marking the abnormal data and correlating the abnormal data with the related ground wire records, and determining whether the abnormal condition is related to a specific ground wire or a specific position through geographic coordinates and equipment identification;
the indicia generally include the type of exception, the degree of urgency, and the status of the process; determining the emergency degree according to the abnormal priority, and confirming the processing state by verifying the operation ticket;
further analysis of the classified anomaly data includes generating anomaly reports and graphs including statistics of anomaly quantity, timelines, geographical distribution, and anomaly details;
and sending a notification to related operators and management personnel, notifying the classified abnormal conditions and related reports, including detailed information of abnormal data and treatment plans.
8. The distribution network ground wire safety supervision method according to claim 1, wherein: the process may include the steps of,
operators and management personnel access the supervision system to check the generated abnormal report and related data;
using reporting and graphical tools to perform data analysis to determine the root cause of the anomaly, and determining whether the anomaly is caused by a location, equipment or operator; if the operation ticket is verified, the operation ticket is judged by an operator and the operation time, and the abnormal reason is judged by the inspection operation flow; if not, checking the abnormality detailed information according to the abnormality report, judging the abnormality cause, and confirming the abnormality root cause by combining the environment factors;
If the processing steps are implemented, the system updates the relevant data and archives the problem records for future reference.
9. A distribution network ground wire safety supervision system, based on the distribution network ground wire safety supervision method of any one of claims 1-8, characterized in that: comprising a hardware part and a software part,
the hardware part comprises a non-contact electromagnetic sensor and a Bluetooth module;
the software part comprises a handheld terminal and a distribution network ground wire supervision system module.
10. A distribution network ground wire safety supervision system as set forth in claim 9, wherein:
the hardware part is fixedly arranged on the grounding wire body, corresponds to the grounding wires one by one, collects, identifies and wirelessly transmits the grounding wire hanging state, uses a non-contact electromagnetic sensor to collect grounding wire state data, comprises data which are used and not used, transmits the data to a handheld terminal through the Bluetooth module, and uploads the information of the current state, time and place of the grounding wires to the distribution network grounding wire supervision system module after the data are locally processed by the terminal;
the software part realizes management of the input and output of the ground wire, positioning of the hooking position and perception of the hooking state; the handheld terminal shoots, records and uploads the information of the hanging position of the grounding wire to the monitoring system module of the grounding wire of the distribution network, the monitoring system module of the grounding wire of the distribution network analyzes the information uploaded by the handheld terminal, judges the hanging position, the hanging time and the current of the grounding wire by applying image recognition and data comparison, and if the problem exists, the system sends out alarm information.
CN202311583647.7A 2023-11-24 2023-11-24 Distribution network grounding wire safety supervision method and system Pending CN117614129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311583647.7A CN117614129A (en) 2023-11-24 2023-11-24 Distribution network grounding wire safety supervision method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311583647.7A CN117614129A (en) 2023-11-24 2023-11-24 Distribution network grounding wire safety supervision method and system

Publications (1)

Publication Number Publication Date
CN117614129A true CN117614129A (en) 2024-02-27

Family

ID=89950887

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311583647.7A Pending CN117614129A (en) 2023-11-24 2023-11-24 Distribution network grounding wire safety supervision method and system

Country Status (1)

Country Link
CN (1) CN117614129A (en)

Similar Documents

Publication Publication Date Title
CN109670795B (en) Engineering management system based on big data
CN114997682B (en) Construction site safety monitoring system and method based on big data
CN112004067A (en) Video monitoring method, device and storage medium
CN107657390A (en) A kind of special safety equipment hidden danger management and control big data monitoring system and monitoring method
CN114332713B (en) Construction area operation monitoring method, device and system based on Internet of things
CN111523755A (en) Potential safety hazard risk quantitative evaluation system for production enterprises
CN114994565A (en) Electrical cabinet water and electricity leakage prevention alarm system
CN114137302A (en) Monitoring system for whole verification process of electric energy metering device
CN111509839A (en) Trip event model analysis method based on alarm signal
CN113112216A (en) Prejudgment analysis method for equipment defects
CN112782504A (en) Ventilation cooling ring main unit fault diagnosis method
CN117614129A (en) Distribution network grounding wire safety supervision method and system
CN116362561A (en) Centralized control station operation auxiliary decision-making method based on big data
CN115586458A (en) Method and system for monitoring mistaken hanging prevention of ground wire in contact network maintenance operation
CN115880803A (en) Intelligent inspection system and method
CN213457742U (en) Welding operation monitoring system
CN115019413B (en) Automatic inspection management method and device and computer equipment
CN114014112B (en) Elevator emergency rescue management system
CN109374058A (en) A kind of machine performance supervisory systems
CN220965168U (en) Construction safety monitoring system
CN116523494B (en) Electric power construction site safety supervision and management system
CN116308294A (en) Comprehensive management method and platform for cable tunnel operation and maintenance
CN117458722B (en) Data monitoring method and system based on electric power energy management system
CN218728703U (en) Comprehensive monitoring and studying device and system for power distribution station room
CN117912189A (en) Anti-misoperation intelligent early warning system based on three-dimensional modeling positioning

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination