CN105928609A - GIS equipment vibration signal detector - Google Patents
GIS equipment vibration signal detector Download PDFInfo
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- CN105928609A CN105928609A CN201610353445.7A CN201610353445A CN105928609A CN 105928609 A CN105928609 A CN 105928609A CN 201610353445 A CN201610353445 A CN 201610353445A CN 105928609 A CN105928609 A CN 105928609A
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- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000007619 statistical method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a GIS equipment vibration signal detector. The GIS equipment vibration signal detector comprises a sensor, a signal processing unit, a signal acquisition unit and an upper computer; the sensor is arranged on a detection point of GIS equipment and is used for detecting local vibration signals generated in the GIS equipment; the signal processing unit is used for filtering, amplifying and detecting the detected signals; the signal acquisition unit is used for converting amplified electric signals into digital quantity; and the upper computer detects the characteristic quantity of the signals and carrying out waveform statistics analysis so as to realize fault detection. With the GIS equipment vibration signal detector adopted, the mechanical and discharge faults of the GIS equipment can be accurately detected; the launch of the state maintenance work of the GIS substation electrical equipment can be effectively guided; the latent defects of the equipment can be detected timely; huge economic losses caused by the maintenance and disassembly of the GIS can be prevented; and the safety, reliability and stability of the GIS equipment can be improved.
Description
Technical field:
The present invention relates to a kind of equipment detecting GIS mechanicalness and discharging fault, be specifically related to a kind of GIS
Equipment vibrating signal detector.
Background technology:
Vibration refers to the motion of any continuous repetition after being spaced sometime.Theory of Vibration i.e. refers to
The theory of the relation of the vibration regularity of research object and effect power on the object.The principle of mechanical vibration is
The motion that object is the most reciprocal near equilbrium position, in engineering, vibration is the most universal.Machinery
Vibration is the phenomenon generally existed in engineering, and the parts of plant equipment, complete machine have vibration in various degree.
The vibration of plant equipment often affects its operating accuracy, and the abrasion of aggravation machine, accelerate fatigue destruction；And
Along with increase and the generation of fatigue damage of abrasion, the vibration of plant equipment will be more violent, the most pernicious follow
Ring, until device fails, destruction.As can be seen here, vibration aggravation is often along with machine part work
Make state abnormal or even lost efficacy and a kind of physical phenomenon of occurring.According to statistics, there is the machinery of more than 60%
Fault is all reflected by vibration.Therefore, need not shut down and disintegrate, by mechanical oscillation signal
Measurement and analysis, so that it may its degradation and nature of trouble are had gained some understanding.It addition, vibration theory and
Method comparative maturity, and simple.So in the condition monitoring and fault diagnosis technology of plant equipment,
Vibration detection technology is a kind of universal adopted basic skills.
During research vibration problem, typically object of study (such as a machine, a kind of structure) is referred to as system；
The power that effect or the machine displacement of outer bound pair system are produced, is referred to as excitation or input；Machine or knot
The dynamic behaviour that structure produces under incentive action, is referred to as response or output.Vibration analysis (theoretical or experiment point
Analysis) it is exactly to study this triangular mutual relation.So-called vibration diagnosis, it is simply that the machinery being currently running is set
For carrying out vibration measurement, it is analyzed the various data obtained processing, then by result and formulation in advance
Certain standard compares, and then judges internal system structural damage, crackle, snaps, weares and teares, gets loose
And aging etc. various affect the fault that system is properly functioning, take corresponding countermeasure to eliminate fault, guarantor according to this
Card system safety operation.Vibration diagnosis also comprises the prediction to its environment, the output of the most known system and system
Parameter (quality, rigidity, damping etc.) determine the input of system, to judge the characteristic of system environments,
As found the research of the problems such as vibration source.
GIS device is by whole groups of electrical equipments such as bus, chopper, disconnecting switch, spark gap, transformers
Attach together fit over one close metal shell in power equipment, because of its compact conformation, take up an area space little, fortune
The clear advantages such as row reliability is high, apply more and more extensive in power transmission and transformation system.Currently for GIS
The detection method for local discharge that equipment is conventional has ultrasonic Detection Method, high-frequency current pulse detection method and transformator
Oil analysis analyte detection method (oil chromatography detection method) etc..But, the principle of different detection methods and realization side thereof
There is larger difference in formula, therefore, the Partial discharge detector being applied to power equipment the most only possesses single inspection
Survey method.To this end, the application according to vibration analysis and diagnosis principle, develops a kind of GIS device that detects
Mechanicalness and the equipment of discharging fault, can the latency defect of discovering device in time, effectively instruct GIS
Carrying out of Substation Electric Equipment repair based on condition of component work.
Summary of the invention:
It is an object of the invention to provide a kind of GIS device vibration signal detector, accurately detect GIS device
Mechanicalness and discharging fault.
For solving above-mentioned technical problem, the present invention takes techniques below scheme:
A kind of GIS device vibration signal detector, including sensor, signal processing unit, signals collecting list
Unit and host computer, described sensor is located on the test point of GIS device, for there is GIS device inside
Local vibration signal detect, and vibration signal is sent to signal processing unit；Described signal processing
The signal detected is filtered, amplifies and detection by unit, and sends the signal of telecommunication of amplification to signal and adopt
Collection unit；Described signal gathering unit for being converted to digital quantity by the signal of telecommunication of amplification, and is passed by digital quantity
Deliver on host computer；Described upper computer detection goes out signal characteristic quantity, and carries out the statistical analysis of waveform, it is achieved
Fault detect.
The result of above-mentioned upper computer detection sends long-distance user to through communication interface, and long-distance user can be led to
Cross network the running status of GIS device is monitored in real time.
The sensor is piezoelectric acceleration transducer.
The present invention also provides for the configuration of above-mentioned GIS device vibration signal detector, and it includes housing, shell
The front end of body is sequentially provided with power supply indicator, measurement circuit switch, test display window, actuator, sensing
Device line jack, signal lamp, sensor control switch；Described measurement circuit switchs the power supply phase with system
Connect, for controlling the on off state of equipment；Described actuator is connected with the signal processing unit of system, uses
In adjusting sensitivity gear；Described pickup wire jack is connected with described sensor；
The side of described housing is provided with fuse protector, and the rear end of housing is sequentially provided with standby jack, data are led to
Letter network interface jack, data communication serial ports jack, power supply；Described standby jack and sensor and signal processing list
Unit is connected；Described data communication network interface jack is used for communicating with data communication serial port jack, with signals collecting
Unit is connected.
Above-mentioned test display window is used for showing signal and the frequency that GIS device is vibrated.
The beneficial effects of the present invention is: this GIS device vibration signal detector, can accurately detect GIS and set
Standby mechanicalness and discharging fault, it is possible to effectively instruct GIS Substation Electric Equipment repair based on condition of component to work
Carry out, the latency defect of timely discovering device, prevent GIS maintenance dismounting bring tremendous economic loss,
Improve safety, stability and reliability that GIS device is run.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of GIS device vibration signal detector of the present invention；
Fig. 2 is GIS device vibration signal detector configuration front-end view of the present invention；
Fig. 3 is GIS device vibration signal detector configuration rear end of the present invention schematic diagram；
In figure: 1-sensor, 2-GIS equipment, 3-signal processing unit, 4-signal gathering unit, 5-is upper
Machine, 6-housing, 7-power supply indicator, 8-measurement circuit switchs, and 9-tests display window, 10-actuator, 11-
Pickup wire jack, 12-signal lamp, 13-sensor controls switch, and 14-fuse protector, 15-is standby
Jack, 16-data communication network interface jack, 17-data communication serial ports jack, 18-power supply.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and technical scheme is described in detail by detailed description of the invention.
As it is shown in figure 1, a kind of GIS device vibration signal detector, including sensor 1, signal processing list
Unit 3, signal gathering unit 4 and host computer 5, the test point shell of GIS device 2 is located at by described sensor 1
On, detect for the local vibration signal occurred internal to GIS device 2, and vibration signal is sent
To signal processing unit 3；The signal detected is filtered, amplifies and detection by described signal processing unit 3,
And send the signal of telecommunication of amplification to signal gathering unit 4；Described signal gathering unit 4 is for the electricity that will amplify
Signal is converted to digital quantity, and is sent to by digital quantity on host computer 5；Described host computer 5 detects signal
Characteristic quantity, and carry out the statistical analysis of waveform, it is achieved fault detect；The process knot of described host computer 5 detection
Fruit sends long-distance user to through communication interface, and long-distance user can pass through the network operation shape to GIS device 2
State monitors in real time；Described sensor 1 is piezoelectric acceleration transducer.
As shown in Figure 2 and Figure 3, the configuration of described GIS device vibration signal detector, it includes shell
Body 6, the front end of housing 6 be sequentially provided with power supply indicator 7, measurement circuit switch 8, test display window 9,
Actuator 10, pickup wire jack 11, signal lamp 12, sensor control switch 13；Described test
Line switching 8 is connected with the power supply of system, for controlling the on off state of equipment；Described actuator 10 with
The signal processing unit 3 of system is connected, and is used for adjusting sensitivity gear；Described pickup wire jack 11 and institute
State sensor 1 to be connected；Described test display window 9 is used for showing signal and the frequency that GIS device is vibrated；
The side of described housing 6 is provided with fuse protector 14, and the rear end of housing 6 is sequentially provided with standby jack 15, number
According to communication network interface jack 16, data communication serial ports jack 17, power supply 18；Described standby jack 15 and sensing
Device 1 is connected with signal processing unit 3；Described data communication network interface jack 16 and data communication serial port jack
17 are used for communicating, and are connected with signal gathering unit 4.
In the mechanicalness and discharging fault of detection GIS device, this GIS device vibration signal is used to detect
Instrument, first finds out the test point of GIS device 2, utilizes the mode of handheld probe to install this GIS device vibration letter
The sensor 1 of number detector, on the shell of detection equipment, connects power supply 18, opens measurement circuit switch 8,
Power supply indicator 7 shows bright light, piezoelectric acceleration transducer 1 local that occur internal to GIS device 2
Vibration signal detects, and test display window 9 shows the signal and frequency that GIS device vibrates；Detect
Signal be sent to signal processing unit 3 and be filtered, amplify and detection, signal gathering unit 4 will be amplified
The signal of telecommunication be converted to digital quantity；Host computer 5 detects signal characteristic quantity, and carries out the statistical of waveform
Analysis, it is achieved fault detect；The result that last host computer 5 detects is through data communication network interface jack 16 He
Data communication serial ports jack 17 sends long-distance user to, and long-distance user can pass through the network fortune to GIS device
Row state monitors in real time, to this end, can the latency defect of discovering device in time, effectively instruct GIS
Carrying out of Substation Electric Equipment repair based on condition of component work.
Claims (5)
1. a GIS device vibration signal detector, it is characterised in that: include at sensor (1), signal
Reason unit (3), signal gathering unit (4) and host computer (5), described sensor (1) is located at GIS and is set
On the test point shell of standby (2), carry out for the local vibration signal occurred internal to GIS device (2)
Detection, and vibration signal is sent to signal processing unit (3)；Described signal processing unit (3) is to detection
To signal be filtered, amplify and detection, and to the signal of telecommunication of amplification is sent signal gathering unit (4)；
Described signal gathering unit (4) is for being converted to digital quantity by the signal of telecommunication of amplification, and is sent to by digital quantity
On host computer (5)；Described host computer (5) detects signal characteristic quantity, and carries out the statistical analysis of waveform,
Realize fault detect；The result that described host computer (5) detects sends long-distance user to through communication interface,
The running status of GIS device (2) can be monitored in real time by long-distance user by network.
GIS device vibration signal detector the most according to claim 1, it is characterised in that: described upper
The result that machine (5) detects sends long-distance user to through communication interface, and long-distance user can pass through network pair
The running status of GIS device monitors in real time.
GIS device vibration signal detector the most according to claim 1, it is characterised in that: described biography
Sensor (1) is piezoelectric acceleration transducer.
GIS device vibration signal detector the most according to claim 1, it is characterised in that: described GIS
Equipment vibrating signal detector include housing (6), the front end of housing (6) be sequentially provided with power supply indicator (7),
Measurement circuit switch (8), test display window (9), actuator (10), pickup wire jack (11),
Signal lamp (12), sensor control switch (13)；Described measurement circuit switch (8) and the electricity of system
Source is connected, for controlling the on off state of equipment；Described actuator (10) and the signal processing list of system
Unit (3) is connected, and is used for adjusting sensitivity gear；Described pickup wire jack (11) and described sensor (1)
It is connected；The side of described housing (6) is provided with fuse protector (14)；The rear end of housing (6) sets successively
There are standby jack (15), data communication network interface jack (16), data communication serial ports jack (17), power supply (18)；
Described standby jack (15) is connected with sensor (1) and signal processing unit (3)；Described data are led to
Letter network interface jack (16) is used for communicating with data communication serial port jack (17), with signal gathering unit (4)
It is connected.
GIS device vibration signal detector the most according to claim 4, it is characterised in that: described survey
Examination display window (9) is used for showing signal and the frequency that GIS device is vibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353445.7A CN105928609A (en) | 2016-05-25 | 2016-05-25 | GIS equipment vibration signal detector |
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| CN201610353445.7A CN105928609A (en) | 2016-05-25 | 2016-05-25 | GIS equipment vibration signal detector |
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| CN201610353445.7A Pending CN105928609A (en) | 2016-05-25 | 2016-05-25 | GIS equipment vibration signal detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644423A (en) * | 2016-09-29 | 2017-05-10 | 国网江苏省电力公司检修分公司 | GIS partial discharge type identification system and GIS partial discharge type identification method based on vibration signal |
| CN107084837A (en) * | 2017-05-12 | 2017-08-22 | 沈阳工程学院 | GIS mechanical fault detection systems |
| CN109374270A (en) * | 2018-09-19 | 2019-02-22 | 国网甘肃省电力公司电力科学研究院 | A kind of analysis of GIS abnormal vibrations and mechanical fault diagnosis device and method |
| CN110703080A (en) * | 2019-10-16 | 2020-01-17 | 河海大学 | GIS spike discharge diagnosis method, discharge degree identification method and device |
| CN111983390A (en) * | 2019-04-10 | 2020-11-24 | 国网江苏省电力有限公司南通供电分公司 | GIS fault accurate positioning system based on vibration signal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085449A (en) * | 1994-06-20 | 1996-01-12 | Omron Corp | Device and method for detecting shock wave, and shock wave recording unit |
| US6138516A (en) * | 1997-12-17 | 2000-10-31 | Weld Star Technology, Inc. | Low-power shock detector and detection method |
| CN201607647U (en) * | 2009-11-10 | 2010-10-13 | 无锡市厚德自动化仪表有限公司 | Vibration protecting device |
| CN102052963A (en) * | 2010-11-16 | 2011-05-11 | 郑州大学 | Data acquisition device for vector spectrum analysis on vibration signals |
| CN202350909U (en) * | 2011-10-21 | 2012-07-25 | 无锡市厚德自动化仪表有限公司 | Portable vibration measurement device |
| CN205785500U (en) * | 2016-05-25 | 2016-12-07 | 国网宁夏电力公司固原供电公司 | GIS device vibration signal detector |
-
2016
- 2016-05-25 CN CN201610353445.7A patent/CN105928609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085449A (en) * | 1994-06-20 | 1996-01-12 | Omron Corp | Device and method for detecting shock wave, and shock wave recording unit |
| US6138516A (en) * | 1997-12-17 | 2000-10-31 | Weld Star Technology, Inc. | Low-power shock detector and detection method |
| CN201607647U (en) * | 2009-11-10 | 2010-10-13 | 无锡市厚德自动化仪表有限公司 | Vibration protecting device |
| CN102052963A (en) * | 2010-11-16 | 2011-05-11 | 郑州大学 | Data acquisition device for vector spectrum analysis on vibration signals |
| CN202350909U (en) * | 2011-10-21 | 2012-07-25 | 无锡市厚德自动化仪表有限公司 | Portable vibration measurement device |
| CN205785500U (en) * | 2016-05-25 | 2016-12-07 | 国网宁夏电力公司固原供电公司 | GIS device vibration signal detector |
Non-Patent Citations (1)
| Title |
|---|
| 程林: "特高压GIS/HGIS设备振动诊断方法研究", 《电力建设》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644423A (en) * | 2016-09-29 | 2017-05-10 | 国网江苏省电力公司检修分公司 | GIS partial discharge type identification system and GIS partial discharge type identification method based on vibration signal |
| CN106644423B (en) * | 2016-09-29 | 2018-12-28 | 国网江苏省电力有限公司检修分公司 | A kind of GIS partial discharge identification system and method based on vibration signal |
| CN107084837A (en) * | 2017-05-12 | 2017-08-22 | 沈阳工程学院 | GIS mechanical fault detection systems |
| CN109374270A (en) * | 2018-09-19 | 2019-02-22 | 国网甘肃省电力公司电力科学研究院 | A kind of analysis of GIS abnormal vibrations and mechanical fault diagnosis device and method |
| CN111983390A (en) * | 2019-04-10 | 2020-11-24 | 国网江苏省电力有限公司南通供电分公司 | GIS fault accurate positioning system based on vibration signal |
| CN111983390B (en) * | 2019-04-10 | 2021-09-14 | 国网江苏省电力有限公司南通供电分公司 | GIS fault accurate positioning system based on vibration signal |
| CN110703080A (en) * | 2019-10-16 | 2020-01-17 | 河海大学 | GIS spike discharge diagnosis method, discharge degree identification method and device |
| CN110703080B (en) * | 2019-10-16 | 2020-11-10 | 河海大学 | GIS spike discharge diagnosis method, discharge degree identification method and device |
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Application publication date: 20160907 |