CN110412407A - Failure cable essence distance measuring method based on sounding analytic approach - Google Patents
Failure cable essence distance measuring method based on sounding analytic approach Download PDFInfo
- Publication number
- CN110412407A CN110412407A CN201810397062.9A CN201810397062A CN110412407A CN 110412407 A CN110412407 A CN 110412407A CN 201810397062 A CN201810397062 A CN 201810397062A CN 110412407 A CN110412407 A CN 110412407A
- Authority
- CN
- China
- Prior art keywords
- wave
- sound
- fault
- failure
- cable
- 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.)
- Withdrawn
Links
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
Abstract
The invention discloses the failure cable essence distance measuring methods based on sounding analytic approach, including carrying out building power cable fault location system based on LABVIEW virtual instrument development platform, the system mainly includes signal source equipment, sensor, data collecting card and computer, carrying out fault test to failure power cable first is by the way that signal source equipment is added a sufficiently high surge voltage of amplitude to failure cable, while flashover electric discharge occurs for fault point, sizable discharging sound can also be generated so as to cause seismic wave, the faint ground vibration wave in ground is become electric signal using highly sensitive acoustical-electrical transducer and transmits signals to data collecting card by sensor, signal is transmitted further to computer and is handled by data collecting card, storage, then this electric signal is subjected to enough amplifications with crystal amplifier, sound is reduced into earphone again Sound, fault point can accurately be found out by being pinpointed using sound.
Description
Technical field
The present invention relates to cable fault localization methods in a kind of electric system, and in particular to a kind of based on sounding analytic approach
Failure cable essence distance measuring method.
Background technique
These increasing cable faults must be just repaired with the shortest time in order to improve power supply reliability, however electric power
Cable is the special transmission line of electricity for being embedded in underground, is not easy to directly observe discovery fault point.If event cannot be found out in time
The position for hindering point, cannot just repair, and cause to have a power failure for a long time, stop production, bring huge economic loss, while also living to people
It makes troubles.Thus how judgement power cable fault point position rapidly and accurately is timely reparation power cable, improves power supply
The premise of reliability.And how to select fault distance-finding method is the project for needing to be continued deeper into research.
Summary of the invention
The present invention provides the failure cable essence distance measuring methods based on sounding analytic approach, detect singular points, look for
Be out of order distance.
The present invention is achieved through the following technical solutions:
Failure cable essence distance measuring method based on sounding analytic approach, including based on LABVIEW virtual instrument development platform into
Row building power cable fault location system, the system mainly includes signal source equipment, sensor, data collecting card and calculating
Machine, carrying out fault test to failure power cable first is by the way that signal source equipment is enough plus an amplitude to failure cable
High surge voltage while flashover electric discharge occurs for fault point, can also generate sizable discharging sound so as to cause seismic wave, pass
The faint ground vibration wave in ground is become electric signal using highly sensitive acoustical-electrical transducer and transmits signals to data acquisition by sensor
Signal is transmitted further to computer and is handled, stores by card, data collecting card, then with crystal amplifier by this electric signal into
The enough amplifications of row, then it is reduced into sound with earphone, fault point can accurately be found out by being pinpointed using sound.By using
LABVIEW uses patterned language construction, has high development efficiency and powerful measurement, analysis and display function, base
It does not need to replace the portion in original hardware resource when carrying out Function Extension in the fault localization system of virtual instrument platform design
Part and module, so as to the fund of saving；Currently, virtual instrument technology oneself had a series of codes and standards, user is choosing
When only need to select to meet the virtual instrument module of unified standard；It is using highly sensitive acoustical-electrical transducer that ground is faint
Ground vibration wave become electric signal, this electric signal is then subjected to enough amplifications with crystal amplifier, then be reduced into earphone
Sound, so that it is determined that fault point is just in attachment.
Further, when fault point is discharged, in addition to generating sound wave, frequency electromagnetic waves can be also generated and radiate described lead to the ground
Cross electromagnetic wave and sound wave, by electromagnetic wave and the reception of sound wave can synchronize judge fault discharge；Such as hear vibration wave it is same
When；The presence of fault point electric discharge electromagnetic wave is shown again；Prove that electric discharge sound wave is working；Strategic point vibrating wave signal and electromagnetic wave
Energy synchronization onwards are come；Then illustrate that the ground vibration wave heard is believable；Fault point is just nearby.In practical ranging, often due to ring
The interference of border noise and the difficulty for increasing discrimination, sound magnetic-synchro is sound detection, and can be exactly using the reception of electromagnetic wave and sound wave
It synchronizes to judge fault discharge.
Further, capture card selects the sample frequency of high speed.Data collecting card and computer are the hardware bases of this system
Plinth, wherein the performance of data collecting card directly influences the main indicators such as the precision of fault test system, sampling rate, in order to suitable
The cracking characteristic of traveling wave spread speed is answered, the capture card in this system selects the sample frequency of high speed, so that system performance is more preferably.
The present invention has the advantage that and the utility model has the advantages that
1, the present invention uses patterned language construction by using LABVIEW, with high development efficiency and powerful
Measurement, analysis and display function, based on virtual instrument platform design fault localization system be not required to when carrying out Function Extension
The component and module in original hardware resource are replaced, so as to the fund of saving；Currently, virtual instrument technology oneself had a system
Column codes and standards, the virtual instrument module that user only needs to select to meet unified standard when choosing；Using highly sensitive
The faint ground vibration wave in ground is become electric signal by the acoustical-electrical transducer of degree, this electric signal is then carried out foot with crystal amplifier
Enough amplifications, then it is reduced into sound with earphone, so that it is determined that fault point is just in attachment；
2, data collecting card and computer of the present invention are the hardware foundations of this system, and wherein the performance of data collecting card is direct
The main indicators such as precision, the sampling rate of fault test system are influenced, in order to adapt to the cracking characteristic of traveling wave spread speed, this
Capture card in system selects the sample frequency of high speed, so that system performance is more preferably；
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment, the present invention is made
Further to be described in detail, exemplary embodiment of the invention and its explanation for explaining only the invention, are not intended as to this
The restriction of invention.
Embodiment 1
Failure cable essence distance measuring method based on sounding analytic approach, including based on LABVIEW virtual instrument development platform into
Row building power cable fault location system, the system mainly includes signal source equipment, sensor, data collecting card and calculating
Machine, carrying out fault test to failure power cable first is by the way that signal source equipment is enough plus an amplitude to failure cable
High surge voltage while flashover electric discharge occurs for fault point, can also generate sizable discharging sound so as to cause seismic wave, pass
The faint ground vibration wave in ground is become electric signal using highly sensitive acoustical-electrical transducer and transmits signals to data acquisition by sensor
Signal is transmitted further to computer and is handled, stores by card, data collecting card, then with crystal amplifier by this electric signal into
The enough amplifications of row, then it is reduced into sound with earphone, fault point can accurately be found out by being pinpointed using sound；Fault point electric discharge
When, in addition to generating sound wave, can also generate frequency electromagnetic waves radiate to the ground it is described by electromagnetic wave and sound wave, by electromagnetic wave and
Can the reception of sound wave synchronize to judge fault discharge；Such as hear vibration wave while；Fault point electric discharge electromagnetic wave is shown again
Presence；Prove that electric discharge sound wave is working；Strategic point vibrating wave signal and electromagnetism wave energy synchronization onwards are come；Then illustrate that the ground heard shakes
Wave is believable；Fault point is just nearby；The sample frequency of capture card selection high speed.When implementation, often due to ambient noise
The difficulty of interference and increase discrimination.When fault point is discharged, in addition to generating sound wave, it can also generate frequency electromagnetic waves and radiate institute to the ground
State through electromagnetic wave and sound wave, by electromagnetic wave and the reception of sound wave can synchronize judge fault discharge；Such as hear vibration wave
While；The presence of fault point electric discharge electromagnetic wave is shown again；Prove that electric discharge sound wave is working；Strategic point vibrating wave signal and electricity
Magnetic wave energy synchronization onwards are come；Then illustrate that the ground vibration wave heard is believable；Fault point is just nearby.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (3)
1. the failure cable essence distance measuring method based on sounding analytic approach, which is characterized in that including being opened based on LABVIEW virtual instrument
Hair platform carries out building power cable fault location system, and the system mainly includes signal source equipment, sensor, data acquisition
Card and computer, carrying out fault test to failure power cable first is by the way that signal source equipment is added one to failure cable
The sufficiently high surge voltage of amplitude, fault point occur flashover electric discharge while, can also generate sizable discharging sound so as to cause
The faint ground vibration wave in ground is become electric signal using highly sensitive acoustical-electrical transducer and transmitted signals to by seismic wave, sensor
Signal is transmitted further to computer and is handled, stores by data collecting card, data collecting card, then with crystal amplifier by this
Electric signal carries out enough amplifications, then is reduced into sound with earphone, and fault point can accurately be found out by being pinpointed using sound.
2. the failure cable essence distance measuring method according to claim 1 based on sounding analytic approach, which is characterized in that the event
Barrier point electric discharge when, in addition to generating sound wave, can also generate frequency electromagnetic waves radiate to the ground described in pass through electromagnetic wave and sound wave, pass through
Electromagnetic wave and the reception of sound wave can synchronize judge fault discharge；Such as hear vibration wave while；Show that fault point is put again
The presence of electric electromagnetic wave；Prove that electric discharge sound wave is working；Strategic point vibrating wave signal and electromagnetism wave energy synchronization onwards are come；Then explanation is listened
To ground vibration wave be believable；Fault point is just nearby.
3. the failure cable essence distance measuring method according to claim 1 based on sounding analytic approach, which is characterized in that described to adopt
The sample frequency of truck selection high speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397062.9A CN110412407A (en) | 2018-04-28 | 2018-04-28 | Failure cable essence distance measuring method based on sounding analytic approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397062.9A CN110412407A (en) | 2018-04-28 | 2018-04-28 | Failure cable essence distance measuring method based on sounding analytic approach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110412407A true CN110412407A (en) | 2019-11-05 |
Family
ID=68346901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810397062.9A Withdrawn CN110412407A (en) | 2018-04-28 | 2018-04-28 | Failure cable essence distance measuring method based on sounding analytic approach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110412407A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077527A (en) * | 2019-12-23 | 2020-04-28 | 上海闻泰信息技术有限公司 | Obstacle distance determination method and device, vehicle-mounted equipment and storage medium |
| CN113917289A (en) * | 2021-12-14 | 2022-01-11 | 中海油田服务股份有限公司 | Solid cable testing device and method |
-
2018
- 2018-04-28 CN CN201810397062.9A patent/CN110412407A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077527A (en) * | 2019-12-23 | 2020-04-28 | 上海闻泰信息技术有限公司 | Obstacle distance determination method and device, vehicle-mounted equipment and storage medium |
| CN113917289A (en) * | 2021-12-14 | 2022-01-11 | 中海油田服务股份有限公司 | Solid cable testing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105467241B (en) | A kind of distribution converter transformer DC magnetic bias detecting system and its detection method | |
| CN101871980B (en) | Combined lightning monitoring and forecasting system | |
| CN202066932U (en) | Potable partial-discharge ultrasonic cloud detection device | |
| CN101782621B (en) | Method and device for judging fault point locations in cable protective layer fault detection | |
| CN201269916Y (en) | Regional discharging detection system for air insulation combined electrical appliance | |
| CN105911499B (en) | Ultrasonic wave shelf depreciation metering system and method under site environment | |
| CN109708748A (en) | The vibration of substation's GIS combination electric appliance and noise abnormal failure localization method | |
| CN103176113A (en) | Gas insulated switchgear (GIS) partial discharge calibration method and system | |
| CN106707196A (en) | Portable mobile alternating current intrusion fault detection and positioning device | |
| CN103033820A (en) | Optical cable identifying method and equipment | |
| CN110412407A (en) | Failure cable essence distance measuring method based on sounding analytic approach | |
| WO2017161630A1 (en) | Small-region lightning monitoring and positioning method and system | |
| CN202330624U (en) | Partial discharge ultrasonic wave detection device | |
| CN104714108A (en) | Ground train transient impulse interference field intensity analysis system | |
| CN203311010U (en) | Buried wire cable testing instrument | |
| CN202929078U (en) | High-frequency signal monitoring device | |
| CN105334432A (en) | GIS partial discharge supersonic wave detection system | |
| CN205139294U (en) | Ground net corrodes situation testing arrangement based on wireless sensor network | |
| CN209117629U (en) | A kind of disc insulator defects detection positioning device based on supersonic guide-wave | |
| CN111880114A (en) | Method and system for detecting breakpoint of grounding body of power transmission tower | |
| CN109507548A (en) | 10kV route on-pole switch charges partial discharge test method | |
| CN110412412A (en) | Cable fault open circuit analysis method based on audio analysis method | |
| CN206657100U (en) | The field test system of superfrequency partial discharge monitoring device | |
| CN109342566A (en) | A kind of disc insulator defects detection positioning device and method based on supersonic guide-wave | |
| CN206132970U (en) | Ultrasonic wave partial discharge measurement system under site environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191105 |