CN114563661A - Power cable state monitoring method and device - Google Patents
Power cable state monitoring method and device Download PDFInfo
- Publication number
- CN114563661A CN114563661A CN202210455116.9A CN202210455116A CN114563661A CN 114563661 A CN114563661 A CN 114563661A CN 202210455116 A CN202210455116 A CN 202210455116A CN 114563661 A CN114563661 A CN 114563661A
- Authority
- CN
- China
- Prior art keywords
- power cable
- monitoring information
- state monitoring
- health
- state
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000036541 health Effects 0.000 claims abstract description 57
- 238000003860 storage Methods 0.000 claims description 31
- 230000003862 health status Effects 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005195 poor health Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Economics (AREA)
- Theoretical Computer Science (AREA)
- Public Health (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Strategic Management (AREA)
- Tourism & Hospitality (AREA)
- Human Resources & Organizations (AREA)
- General Business, Economics & Management (AREA)
- General Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Mathematical Physics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to the field of power cable state monitoring, and particularly discloses a power cable state monitoring method and device, which are used for acquiring power cable state monitoring information; accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable; acquiring the service time of a power cable; according to the fault frequency of the power cable and the service time of the power cable, the power cable is subjected to health state grade configuration; and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables. According to the invention, the health state grade of the power cable is configured in advance according to the fault frequency and the service time of the power cable, and then the display sequence is set according to the health state grade, so that the monitoring information of the high-risk power cable with a low health state is displayed on the front side, the monitoring information is convenient for workers to check and monitor, and the high-risk power cable can be effectively monitored in time.
Description
Technical Field
The invention relates to the field of power cable state monitoring, in particular to a power cable state monitoring method and device.
Background
Power cables are used for transmitting and distributing electrical energy and are an important component of power transmission systems. In the use process of the power cable, faults are usually caused by various reasons such as aging and poor contact at a joint, and once faults occur, the production and the life are often greatly influenced, so that the state of the power cable needs to be monitored in real time. However, the current power grid has a large scale, the number of power cables to be monitored is large, the monitored information is displayed on a terminal and is not standard, the monitored information is inconvenient for workers to check, and high-risk power cables cannot be monitored timely and effectively.
Disclosure of Invention
In order to solve the problems, the invention provides a power cable state monitoring method and a power cable state monitoring device, which are convenient for workers to check monitoring information and timely and effectively monitor high-risk power cables.
In a first aspect, a technical solution of the present invention provides a power cable state monitoring method, including the following steps:
acquiring power cable state monitoring information;
accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable;
acquiring the service time of a power cable;
according to the fault frequency of the power cable and the service time of the power cable, the power cable is subjected to health state grade configuration;
and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables.
Further, according to the fault frequency of the power cable and the time of putting the power cable into service, the health status of the power cable is configured in a grade manner, specifically comprising:
the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
Further, the method comprises the following steps:
storing the acquired historical data of the power cable state monitoring information into a storage pool;
detecting whether the used capacity of the storage pool is greater than or equal to a high threshold;
and if so, deleting corresponding historical data according to the health status grade of the power cable.
Further, deleting corresponding historical data according to the health status grade of the power cable specifically comprises:
deleting state monitoring information historical data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
and if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
Further, the method comprises the following steps:
and the substation area displays the state monitoring information of the power cable.
In a second aspect, the present invention provides a power cable condition monitoring device, including,
the state monitoring information acquisition module: acquiring power cable state monitoring information;
a fault frequency calculation module: accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable;
the service time acquisition module: acquiring the service time of a power cable;
a health level configuration module: according to the fault frequency of the power cable and the service time of the power cable, the power cable is subjected to health state grade configuration;
the state monitoring information display module: and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables.
Further, the health level configuration module configures the health state level of the power cable according to the fault frequency of the power cable and the service time of the power cable, and specifically includes:
the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
Further, the device also comprises a control device,
a storage module: storing the acquired historical data of the power cable state monitoring information into a storage pool;
storage pool capacity detection module: detecting whether the used capacity of the storage pool is greater than or equal to a high threshold;
a historical data deleting module: and deleting corresponding historical data according to the health status grade of the power cable.
Further, the historical data deleting module deletes corresponding historical data according to the power cable health status grade, and specifically includes:
deleting state monitoring information historical data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
and if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
Further, the state monitoring information display module displays the state monitoring information of the power cable in a sub-station area.
Compared with the prior art, the power cable state monitoring method and the power cable state monitoring device provided by the invention have the following beneficial effects: the health state grade of the power cable is configured in advance according to the fault frequency of the power cable and the service time of the power cable, and then the display sequence is set according to the health state grade, so that the monitoring information of the high-risk power cable with a low health state is displayed on the front side, workers can conveniently check and monitor the high-risk power cable, and the high-risk power cable can be effectively monitored in time.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a power cable status monitoring method according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of a power cable status monitoring device according to a second embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
As shown in fig. 1, a power cable condition monitoring method according to a first embodiment includes the following steps.
S101, acquiring power cable state monitoring information.
Acquiring state monitoring information of the power cable from a monitoring terminal, wherein the acquired state monitoring information comprises but is not limited to current information, temperature information and galloping fault information. Any abnormal information affects the health state of the power cable.
And S102, accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable.
The failure frequency of the power cable is the number of failures occurring in unit time, and the higher the failure frequency is, the worse the health state of the power cable is.
S103, obtaining the using time of the power cable.
Aging of the power cable is also a factor affecting the health status thereof, and thus the time of putting the power cable into use should be considered. In specific implementation, a power cable in-service time file is registered and recorded, and the power cable in-service time is scanned and acquired from the file.
And S104, configuring the health state grade of the power cable according to the fault frequency and the service time of the power cable.
Specifically, the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
And S105, sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grades of the power cables.
After the health state grade of the power cable is configured, the state monitoring information of the power cable with the lowest grade is displayed on the top, the grade is low on the second time, and the like, so that the high-risk power cable is conveniently monitored by workers.
In specific implementation, the state monitoring information of the power cables can be displayed in the distribution room, namely, the power cables of one distribution room are displayed in a display area in a paging mode, and certainly, the state monitoring information is displayed in sequence from low to high according to the health state grade of the power cables.
According to the method, the health state grade of the power cable is configured in advance according to the fault frequency of the power cable and the service time of the power cable, and then the display sequence is set according to the health state grade, so that the monitoring information of the high-risk power cable with a low health state is displayed on the front side, workers can conveniently check and monitor the high-risk power cable, and the high-risk power cable can be effectively monitored in time.
It can be understood that, in the specific implementation, the historical data of the power cable state monitoring information generally needs to be stored for the subsequent statistical analysis, but considering that the storage quantity is large, the data should be deleted in time so as not to affect the memory and the operating efficiency of the platform. The embodiment deletes the corresponding historical data according to the health status grade of the power cable, so that the historical data of the power cable with poor health status can be stored for a longer time, and faults can be analyzed.
Specifically, the power cable condition monitoring method provided by this embodiment further includes the following steps.
And S106, storing the acquired historical data of the power cable state monitoring information into a storage pool.
S107, whether the used capacity of the storage pool is larger than or equal to a high threshold value is detected.
And S108, if yes, deleting corresponding historical data according to the health status grade of the power cable.
The step of deleting corresponding historical data according to the power cable health status grade specifically comprises the following steps:
deleting the historical state monitoring information data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
It should be noted that, according to specific needs, historical data within a certain time is deleted, for example, historical data of the farthest week or the farthest month is deleted. The method enables historical data of power cables with poor health states to be stored for a long time so as to analyze faults.
Example two
On the basis of the first embodiment, the second embodiment provides a power cable state monitoring device, which is used for implementing the power cable state monitoring method.
Fig. 2 is a schematic block diagram of a power cable status monitoring device according to a second embodiment of the present invention, which includes the following functional modules.
The state monitoring information acquisition module 101: and acquiring power cable state monitoring information.
The failure frequency calculation module 102: and accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable.
The in-use time acquisition module 103: and acquiring the service time of the power cable.
Health level configuration module 104: and according to the fault frequency of the power cable and the service time of the power cable, carrying out health state grade configuration on the power cable.
The state monitoring information display module 105: and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables.
The storage module 106: and storing the acquired historical data of the power cable state monitoring information into a storage pool.
Storage pool capacity detection module 107: it is detected whether the used capacity of the storage pool is greater than or equal to a high threshold.
Historical data deletion module 108: and deleting corresponding historical data according to the health status grade of the power cable.
The health level configuration module 104 performs health level configuration on the power cable according to the power cable fault frequency and the power cable service time, and specifically includes: the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
The status monitoring information display module 105 displays status monitoring information of the power cable in a separate area.
The historical data deleting module 108 deletes corresponding historical data according to the power cable health status grade, and specifically includes:
deleting the historical state monitoring information data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
and if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
The power cable condition monitoring device of the present embodiment is used for implementing the foregoing power cable condition monitoring method, and therefore, the specific implementation of the device can be seen in the foregoing example section of the base power cable condition monitoring method, and therefore, the specific implementation thereof can refer to the description of the corresponding section examples, and will not be further described herein.
In addition, since the power cable state monitoring apparatus of this embodiment is used to implement the foregoing power cable state monitoring method, its function corresponds to that of the foregoing method, and is not described herein again.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A power cable condition monitoring method is characterized by comprising the following steps:
acquiring power cable state monitoring information;
accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable;
acquiring the service time of a power cable;
according to the fault frequency of the power cable and the service time of the power cable, the power cable is subjected to health state grade configuration;
and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables.
2. The power cable state monitoring method according to claim 1, wherein the power cable is configured to a health state grade according to a power cable fault frequency and a power cable use time, and specifically comprises:
the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
3. A power cable condition monitoring method according to claim 2, characterized in that the method further comprises the steps of:
storing the acquired historical data of the power cable state monitoring information into a storage pool;
detecting whether the used capacity of the storage pool is greater than or equal to a high threshold;
and if so, deleting corresponding historical data according to the health status grade of the power cable.
4. The power cable state monitoring method according to claim 3, wherein deleting the corresponding historical data according to the power cable state of health class specifically includes:
deleting state monitoring information historical data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
and if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
5. A power cable condition monitoring method according to claim 4, characterized in that the method further comprises the steps of:
and the subzones display the state monitoring information of the power cables.
6. A power cable condition monitoring device, comprising,
the state monitoring information acquisition module: acquiring power cable state monitoring information;
a fault frequency calculation module: accumulating the failure times of the power cable based on the state monitoring information of the power cable, and calculating the failure frequency of the power cable;
the service time acquisition module: acquiring the service time of a power cable;
a health level configuration module: according to the fault frequency of the power cable and the service time of the power cable, the power cable is subjected to health state grade configuration;
the state monitoring information display module: and sequentially displaying the state monitoring information of the corresponding power cables from low to high according to the health state grade of the power cables.
7. The power cable state monitoring device according to claim 6, wherein the health level configuration module performs the health level configuration on the power cable according to the power cable fault frequency and the power cable service time, and specifically comprises:
the higher the power cable failure frequency, the longer the power cable is in service, and the lower the power cable health rating.
8. A power cable condition monitoring device according to claim 7, further comprising,
a storage module: storing the acquired historical data of the power cable state monitoring information into a storage pool;
storage pool capacity detection module: detecting whether the used capacity of the storage pool is greater than or equal to a high threshold;
a historical data deleting module: and deleting corresponding historical data according to the health status grade of the power cable.
9. The power cable state monitoring device according to claim 8, wherein the historical data deleting module deletes corresponding historical data according to the power cable state of health class, and specifically includes:
deleting state monitoring information historical data of the power cable with the highest health state grade within a certain time;
determining whether the used capacity of the storage pool is less than a low threshold;
if not, deleting the state monitoring information historical data of the power cable with the next highest health state grade within a certain time, and so on until the used capacity of the storage pool is smaller than the low threshold.
10. The power cable status monitoring device according to claim 9, wherein the status monitoring information display module displays the status monitoring information of the power cable in a separate area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210455116.9A CN114563661A (en) | 2022-04-28 | 2022-04-28 | Power cable state monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210455116.9A CN114563661A (en) | 2022-04-28 | 2022-04-28 | Power cable state monitoring method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114563661A true CN114563661A (en) | 2022-05-31 |
Family
ID=81721064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210455116.9A Pending CN114563661A (en) | 2022-04-28 | 2022-04-28 | Power cable state monitoring method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114563661A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080100307A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Cable fault detection |
| CN107390049A (en) * | 2017-06-23 | 2017-11-24 | 深圳市盛路物联通讯技术有限公司 | A kind of power cable fault monitoring method and device |
| CN108985498A (en) * | 2018-06-26 | 2018-12-11 | 广西电网有限责任公司电力科学研究院 | A kind of retired replacing options of cable based on risk assessment |
| CN110399593A (en) * | 2019-06-12 | 2019-11-01 | 广东电网有限责任公司 | A kind of the high-tension cable probability of malfunction and methods of risk assessment of counter |
-
2022
- 2022-04-28 CN CN202210455116.9A patent/CN114563661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080100307A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Cable fault detection |
| CN107390049A (en) * | 2017-06-23 | 2017-11-24 | 深圳市盛路物联通讯技术有限公司 | A kind of power cable fault monitoring method and device |
| WO2018232937A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市盛路物联通讯技术有限公司 | Electric power cable fault monitoring method and apparatus |
| CN108985498A (en) * | 2018-06-26 | 2018-12-11 | 广西电网有限责任公司电力科学研究院 | A kind of retired replacing options of cable based on risk assessment |
| CN110399593A (en) * | 2019-06-12 | 2019-11-01 | 广东电网有限责任公司 | A kind of the high-tension cable probability of malfunction and methods of risk assessment of counter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111983383B (en) | Power system fault first-aid repair method and system | |
| CN110988601A (en) | Distribution network branch line fault positioning method and device | |
| JP6431644B2 (en) | Storage battery evaluation device, power storage system, and storage battery evaluation method | |
| KR101211118B1 (en) | System and method for managing power system dynamic monitoring apparatus | |
| CN111426909B (en) | Cable aging detection method and device, computer equipment and storage medium | |
| CN115494404A (en) | Storage battery pack online monitoring method | |
| CN113806420A (en) | Power grid data monitoring method and device | |
| CN110492612B (en) | Electric power system monitoring system based on Internet of things | |
| CN113787914B (en) | Monitoring method and device of power battery, server and storage medium | |
| CN107703383A (en) | A kind of method for building up of information acquisition system fault diagnosis knowledge base | |
| CN113986701A (en) | Equipment data processing method and device applied to intelligent traction power transformation system | |
| CN113595174A (en) | Battery management method, device, equipment and server | |
| CN105548873A (en) | Method and system for achieving health diagnosis of switchgear in online monitoring device | |
| CN112937352A (en) | Operation monitoring management system of centralized charging station power supply system based on artificial intelligence | |
| CN114563661A (en) | Power cable state monitoring method and device | |
| CN116566043A (en) | Power distribution terminal monitoring system and monitoring method | |
| CN116345689A (en) | Secondary equipment monitoring method, device, computer equipment and storage medium | |
| CN112152878B (en) | Monitoring and management method, system, terminal and storage medium for digital channel of transformer substation | |
| CN108199482B (en) | Maintenance prompting method and device | |
| CN108646193B (en) | Storage battery capacity evaluation method and terminal | |
| CN111369017A (en) | Equipment remote monitoring method and device, electronic equipment and storable medium | |
| CN113923101B (en) | Internet of Things equipment network fault analysis method and device | |
| CN115347570B (en) | Main-distribution cooperation-based regional power failure range analysis method | |
| CN110595532B (en) | System and method for collecting and monitoring wave recording data of power transmission line | |
| CN116626540B (en) | Method, system, terminal and storage medium for judging broken line fault interval |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220531 |
|
| RJ01 | Rejection of invention patent application after publication |