CN106249117A - Shelf depreciation ultrasound wave optical pulse detecting method and system in intrusive mood transformer oil - Google Patents
Shelf depreciation ultrasound wave optical pulse detecting method and system in intrusive mood transformer oil Download PDFInfo
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- CN106249117A CN106249117A CN201610835560.8A CN201610835560A CN106249117A CN 106249117 A CN106249117 A CN 106249117A CN 201610835560 A CN201610835560 A CN 201610835560A CN 106249117 A CN106249117 A CN 106249117A
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 68
- 230000036651 mood Effects 0.000 title claims abstract description 49
- 230000003287 optical Effects 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 230000005693 optoelectronics Effects 0.000 claims abstract description 40
- 230000001360 synchronised Effects 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims abstract description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 30
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- 239000010409 thin film Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 12
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- 230000005611 electricity Effects 0.000 claims description 3
- 230000037361 pathway Effects 0.000 claims 1
- 230000001131 transforming Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
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- 238000003909 pattern recognition Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
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Classifications
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- 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
- G01R31/1209—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 using acoustic measurements
-
- 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
- G01R31/1218—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 using optical methods; using charged particle, e.g. electron, beams or X-rays
Abstract
The present invention relates to shelf depreciation ultrasound wave optical pulse detecting method and system in a kind of intrusive mood transformer oil, including: will be provided with measuring the intrusive mood local discharge sensor of ultrasound wave, light pulse signal simultaneously, by the fuel outlet valve on transformer shell, go deep in the transformer oil in transformer tank body；Wherein, Processing of Partial Discharge Ultrasonic Signals is by probe, through fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；Shelf depreciation light pulse signal is then by probe, through fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；The two-way voltage waveform signal formed, synchronized data acquisition is delivered to control and display device.Compared with prior art, the present invention has the advantages such as simple, practical, reduction electromagnetism and outside visible ray interference problem.
Description
Technical field
The present invention relates to a kind of partial discharge of transformer detection technique, especially relate to office in a kind of intrusive mood transformer oil
Portion's electric discharge ultrasound wave optical pulse detecting method and system.
Background technology
The measurement of shelf depreciation is with phenomenons various produced by shelf depreciation as foundation, by stating the thing of this phenomenon
Reason amount characterizes the state of shelf depreciation.The process of shelf depreciation in addition to along with the transfer of electric charge and the loss of electric energy,
Also can produce electromagnetic radiation, ultrasound wave, luminescence, generate heat and new product etc. occurs.Therefore corresponding with these phenomenons, office
The detection method of portion's electric discharge can be divided into electrical measurements and the big class of non-electrometric method two.Non-electrometric method mainly includes that ultrasound wave is examined
Survey method, flash spotting, Infrared Detection Method, chemical measure etc..The advantage of these methods is not by electric interference in measurement, anti-dry
Disturb ability strong.
At present, ultrasonic measurement main sensors is piezoelectric type sonic transducer, during application, sensor is fixed on transformator
Outside housing.Not only there is the electromagnetic interference problem of signal in this kind of measuring method, also have sound wave to propagate along transformer shell simultaneously
The problem of impact location.Flash spotting is that the light radiation by detection shelf depreciation generation is as beasurement base.Given out light by office
After pulse itself or opto-electronic conversion, shelf depreciation spectrum analysis can be carried out, office gives out light pulse detection, partial discharge location, the most exhausted
The various researchs such as edge agine mechaism and office's discharging electromagnetic wave propagation characteristic, the interference problems such as visible ray but it is easily held, cause surveying
Amount signal is inaccurate.While it is true, ultrasound wave, the method for light pulse Partial Discharge Detection and technology are extensive in on-line monitoring
Use, but be all two cover systems, or two independent sensors, when being used in combination, efficiency is low, signal analysis time need to artificially be situated between
Enter to judge.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of intrusive mood transformator is provided
Shelf depreciation ultrasound wave optical pulse detecting method and system in oil.
The purpose of the present invention can be achieved through the following technical solutions:
Shelf depreciation ultrasound wave optical pulse detecting method in a kind of intrusive mood transformer oil, including:
Will be provided with measuring the intrusive mood local discharge sensor of ultrasound wave, light pulse signal simultaneously, pass through transformer shell
On fuel outlet valve, go deep in the transformer oil in transformer tank body；
Wherein, Processing of Partial Discharge Ultrasonic Signals is by probe, through fiber-optic transfer, by being converted into after opto-electronic conversion and amplification
Voltage waveform signal；
Shelf depreciation light pulse signal is then by probe, through fiber-optic transfer, by being converted into electricity after opto-electronic conversion and amplification
Corrugating signal；
The two-way voltage waveform signal formed, synchronized data acquisition is delivered to control and display device.
The method specifically includes following steps:
Step 1, based on micro electronmechanical design and process technology, by shelf depreciation ultrasound wave, light pulse signal measurement module envelope
Dress up integrated transducer；
Step 2, utilizes integrated transducer the fuel outlet valve on transformer shell to install, penetrates with transformer oil
In；
Step 3, Processing of Partial Discharge Ultrasonic Signals is by thin film cavity based on Fabry-Perot principle of interference probe, warp
Fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；Shelf depreciation light pulse signal is then by many
The probe that ordinary optic fibre parallel connection is formed, through fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；
Step 4, utilizes double-channel data synchronous acquisition device that shelf depreciation ultrasound wave, light pulse signal are carried out synchronization and adopted
Collect, store and transmit；
Step 5, shelf depreciation ultrasound wave, light pulse signal show and relative analysis, print result.
Shelf depreciation ultrasound wave light pulse detecting system in a kind of intrusive mood transformer oil, including: intrusive mood integration passes
Sensor package casing module, shelf depreciation ultrasound examination module, shelf depreciation light pulse detection module, shelf depreciation ultrasound wave
Test light source module, shelf depreciation ultrasound examination three-dB coupler module, optical fiber transmission module, dual channel optoelectronic are changed
With amplifying device module, double-channel data synchronous acquisition device module, control with display device module and print module, described
Intrusive mood integrated transducer package casing module is by shelf depreciation ultrasound examination module and local discharging light pulse detection mould
Block is packaged together, and define integration possesses office in the intrusive mood transformer oil simultaneously measuring ultrasound wave, light pulse signal
Portion's discharge sensor；
Described intrusive mood integrated transducer package casing module is connected to dual channel optoelectronic by optical fiber transmission module
Conversion and amplifying device module；
The described shelf depreciation ultrasound examination module in intrusive mood integrated transducer package casing module and local
Electric discharge ultrasound examination light source module, shelf depreciation ultrasound examination three-dB coupler module, optical fiber transmission module, bilateral
Road opto-electronic conversion and amplifying device module constitute Processing of Partial Discharge Ultrasonic Signals based on Fabry-Perot principle of interference detection
Loop, uses fiber-optic transfer, by opto-electronic conversion and amplifying device, the ultrasonic signal of shelf depreciation is converted into voltage waveform
Signal sends into double-channel data synchronous acquisition device module；
The described shelf depreciation light pulse detection module in intrusive mood integrated transducer package casing module and optical fiber
The conversion of transport module, dual channel optoelectronic and amplifying device module constitute shelf depreciation light pulse based on optical fiber technology and detect back
Road, uses fiber-optic transfer, by opto-electronic conversion and amplifying device, the light pulse signal of shelf depreciation is converted into voltage waveform letter
Number send into double-channel data synchronous acquisition device module；
Described double-channel data synchronous acquisition device module gathers and exports through dual channel optoelectronic conversion and amplifying device
2 road voltage waveform signals, by data send into control with display device module carry out show and print module print.
Described intrusive mood integrated transducer package casing module is drained the oil based on the transformator on transformer shell module
Valve module is installed.
According to electric Field Calculation, described intrusive mood integrated transducer package casing module requires that penetrating with transformator drains the oil
In valve module, form setpoint distance L with transformer shell module.
Described control and display device module by data wire to double-channel data synchronous acquisition device module and double
Passage opto-electronic conversion and amplifying device module carry out parameter setting.
Compared with prior art, the present invention uses micro electronmechanical design and process technology, for transformator fuel outlet valve, is designed to
Possesses the integrated intrusive mood local discharge sensor simultaneously measuring ultrasound wave, light pulse signal.Wherein, ultrasonic sensor is adopted
Pop one's head in thin film cavity based on Fabry-Perot principle of interference, use fiber-optic transfer, by opto-electronic conversion and amplifying device,
The ultrasonic signal of shelf depreciation is converted into voltage waveform signal (mV)；Light pulse sensor, then utilize many ordinary optic fibres
Carry out in parallel as probe, by opto-electronic conversion and amplifying device, also the light pulse signal of shelf depreciation is converted into voltage wave
Shape signal (mV).Utilizing double-channel data synchronous acquisition device record two-way voltage analog signal, form one can be simultaneously
The detection method of shelf depreciation ultrasound wave, light pulse signal in measuring transformer oil.And have simple, practical, reduce electromagnetism and
The advantages such as outside visible ray interference problem, can be used for the analysis of inside transformer local discharge signal, location and pattern recognition etc..
Accompanying drawing explanation
Fig. 1 is the systematic square frame schematic diagram of a preferred embodiment of the present invention；
Fig. 2 is the method flow diagram of a preferred embodiment of the present invention；
Fig. 3 is the schematic diagram of the integrated transducer device of a preferred embodiment of the present invention；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the A portion enlarged drawing of Fig. 3；
Fig. 6 is the change case relating to thin film cavity sonde configuration of a preferred embodiment of the present invention；
Fig. 7 is the discharge pulse schematic diagram obtained of a preferred embodiment of the present invention.
Wherein in Fig. 1:
1 be transformer shell module, 2 for transformator fuel outlet valve module, 3 for transformer oil module, 4 for intrusive mood integration
Sensor package casing module, 5 be shelf depreciation ultrasound examination module, 6 be shelf depreciation light pulse detection module, 7 for office
Portion electric discharge ultrasound examination light source module, 8 be shelf depreciation ultrasound examination three-dB coupler module, 9 be fiber-optic transfer mould
Block, 10 change for dual channel optoelectronic and amplifying device module, 11 be double-channel data synchronous acquisition device module, 12 for control with
Display device module, 13 it is print module；
In Fig. 3-5, a is optical fiber, and b is ultrasonic sensor probe, and c is ultrasonic sensor, and d is lucite, and e is gold
Belonging to ring, f is silicon sleeve pipe, and g is blanket gas body cavity, and h is silicon fiml thin slice.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiment wholely.Based on this
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of not making creative work
Execute example, all should belong to the scope of protection of the invention.
The concrete outcome of the present invention can refer to accompanying drawing, and Fig. 1 is in the intrusive mood transformer oil of a preferred embodiment of the present invention
The main modular block diagram of shelf depreciation ultrasound wave optical pulse detecting method.As it is shown in figure 1, local in this intrusive mood transformer oil
Electric discharge ultrasound wave optical pulse detecting method at least includes: transformer shell module 1, transformator fuel outlet valve module 2, transformer oil mould
Block 3, intrusive mood integrated transducer package casing module 4, shelf depreciation ultrasound examination module 5, shelf depreciation light pulse inspection
Survey module 6, shelf depreciation ultrasound examination light source module 7, shelf depreciation ultrasound examination three-dB coupler module 8, optical fiber
Transport module 9, dual channel optoelectronic conversion and amplifying device module 10, double-channel data synchronous acquisition device module 11, control with
Display device module 12 and print module 13.
Connecting relation between module: intrusive mood integrated transducer package casing module 4 utilizes micro electronmechanical design and processing
Shelf depreciation ultrasound examination module 5 and local discharging light pulse detection module 6 are packaged together by technology, define integration
Possess local discharge sensor in the intrusive mood transformer oil simultaneously measuring ultrasound wave, light pulse signal；Intrusive mood integration
Sensor package casing module 4 is installed based on the transformator fuel outlet valve module 2 on transformer shell module 1, base during installation
Design and the cooperation of size in technique, it is possible to achieve oil-proof installation, additionally, be the certainty of measurement guaranteeing sensor, invades
Formula integrated transducer package casing module 4 requires to penetrate with in transformator fuel outlet valve module 2, with transformator according to electric Field Calculation
Housing module 1 forms certain distance L；Intrusive mood integrated transducer package casing module 4 is connected to by optical fiber transmission module 9
Dual channel optoelectronic conversion and amplifying device module 10；Shelf depreciation in intrusive mood integrated transducer package casing module 4 surpasses
Sonic detection module 5 and shelf depreciation ultrasound examination light source module 7, shelf depreciation ultrasound examination three-dB coupler mould
The conversion of block 8, optical fiber transmission module 9, dual channel optoelectronic and amplifying device module 10 constitute based on Fabry-Perot principle of interference
Processing of Partial Discharge Ultrasonic Signals measure loop, use fiber-optic transfer, by opto-electronic conversion and amplifying device, by shelf depreciation
Ultrasonic signal is converted into voltage waveform signal and sends into double-channel data synchronous acquisition device module 11；Intrusive mood integrated sensing
Shelf depreciation light pulse detection module 6 and optical fiber transmission module 9, dual channel optoelectronic in device package casing module 4 are changed and put
Big apparatus module 10 constitutes shelf depreciation light pulse measure loop based on optical fiber technology, uses fiber-optic transfer, passes through photoelectricity
Conversion and amplifying device, be converted into the light pulse signal of shelf depreciation voltage waveform signal and send into double-channel data synchronous acquisition
Apparatus module 11；Double-channel data synchronous acquisition device module 11 gathers through dual channel optoelectronic conversion and amplifying device output
2 road voltage waveform signals, control to carry out display with display device module 12 by data feeding and print module 13 print, supply
Technical staff analyzes and achieves；Controlling can be by data wire to double-channel data synchronous acquisition device with display device module 12
Module 11 and dual channel optoelectronic conversion and amplifying device module 10 carry out parameter setting.
The invention provides shelf depreciation ultrasound wave optical pulse detecting method in a kind of intrusive mood transformer oil, use microcomputer
Electricity design and process technology, be designed to integration possesses the intrusive mood shelf depreciation simultaneously measuring ultrasound wave, light pulse signal
Sensor, by the fuel outlet valve on transformer shell, gos deep in the transformer oil in transformer tank body.Wherein, shelf depreciation surpasses
Acoustic signals is popped one's head in by thin film cavity based on Fabry-Perot principle of interference, through fiber-optic transfer, by opto-electronic conversion with put
Voltage waveform signal it is converted into after great；The probe that shelf depreciation light pulse signal is then formed by many ordinary optic fibre parallel connections, warp
Fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification.The two-way voltage waveform signal formed, synchronized
Data acquisition is delivered to control and display device.Defining one can simultaneously shelf depreciation ultrasound wave, light in measuring transformer oil
The detection method of pulse signal.
The invention provides a kind of than traditional shelf depreciation light pulse signal significantly more efficient intrusive mood detection method, it is not
But solve electromagnetic interference problem, it also avoid the problem that former detection is affected accuracy by outside visible ray simultaneously.Additionally, use
Multifiber parallel connection forms probe, enhances detection signal intensity and increases shelf depreciation optical signal detection angle.
The invention provides a kind of novel local discharge signal ultrasound wave, (acousto-optic joins light pulse detection mutually evidence
Close) analyze method.
The above-mentioned technical problem of the present invention being addressed mainly the most by the following technical programs:
As in figure 2 it is shown, shelf depreciation ultrasound wave optical pulse detecting method in a kind of intrusive mood transformer oil, including following step
Rapid:
Step 1, based on micro electronmechanical design and process technology, by shelf depreciation ultrasound wave, light pulse signal measurement module envelope
Dress up integrated transducer；
Step 2, utilizes integrated transducer the fuel outlet valve on transformer shell to install, penetrates with transformer oil
In；
Step 3, Processing of Partial Discharge Ultrasonic Signals is by thin film cavity based on Fabry-Perot principle of interference probe, warp
Fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；Shelf depreciation light pulse signal is then by many
The probe that ordinary optic fibre parallel connection is formed, through fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；
Step 4, utilizes double-channel data synchronous acquisition device that shelf depreciation ultrasound wave, light pulse signal are carried out synchronization and adopted
Collect, store and transmit；
Step 5, shelf depreciation ultrasound wave, light pulse signal show and relative analysis, print result.
Method implements explanation
The integrated transducer device that in intrusive mood transformer oil, shelf depreciation ultrasound wave optical pulse detecting method is formed
Schematic diagram is as in Figure 3-5.
Light pulse signal detects: use 8 to put by the ordinary optic fibre parallel connection detection local that ultrasonic sensor is symmetrical
Electro-optical pulse signal.Use multifiber parallel connection to form probe, be possible not only to strengthen detection signal intensity, it is also possible to increase local
Discharging light acquisition of signal angle.Single ordinary optic fibre length is consistent with ultrasonic detection sensor casing length.
Ultrasonic signal detects: use thin film cavity based on Fabry-Perot principle of interference to pop one's head in (see enlarged drawing), base
Signal conversion is completed in fiber-optic transfer.Operation principle: the monochromatic light launched from light source is incoming along optical fiber through three-dB coupler
Thin film cavity is popped one's head in, and incident illumination occurs first reflection on fiber core-gas interface, and incident illumination about 96% enters and seals
After air chamber, the silicon thin film sheet scribble metal level occurs secondary reflection, and almost total reflection.It is concerned with according to dual-beam former
Reason, it can be deduced that, the optical signal reflected is the function of blanket gas cavity length.Thin film cavity probe return optical signal with
The change of the air gap of the ultrasonic pressure signal extruding silicon thin film sheet generation that shelf depreciation produces and produce change, cash
For interference fringe.The conversion of the continuous phase of continuous interference striped can reflect the information that blanket gas coelomic space changes.Therefore
The optical signal of output meets the ultrasonic signal actually entered.
The parameters such as sensor, data acquisition and display analysis that detection method relates to are defined below respectively:
(1) ultrasonic wave module
Detection frequency band: 10kHz～2MHz；
Sense channel: 1CH；
Filtering bandwidth: 20kHz～200kHz；
Sensitivity :≤3dB；
Sample rate: 2MS/s.
(2) light pulse module
Spectrum frequency range: 500-1000nm；
Sense channel: 1CH；
Sensitivity :≤3dB；
Sample rate: 3GS/s.
(3) thin film cavity probe
Blanket gas body cavity radius: 200 μm；
Blanket gas body cavity thickness: 45 μm.
(4) show and analyze
Display: individual pulse waveform, peak value-time series and PRPD spectrogram；
Analyze: signal trend analysis, pattern recognition, location etc..
The shelf depreciation that in a kind of intrusive mood transformer oil, shelf depreciation ultrasound wave optical pulse detecting method obtains based on Fig. 3
Ultrasound wave, the single waveform example of light pulse are as shown in Figure 7.
With regard to 1) integrated transducer design and processing definition, 2) signals collecting mode, 3) light pulse sensor construction arrange
With 4) thin film cavity sonde configuration arranges, two links do following description:
1) integrated transducer design and processing definition
The present invention uses based on micro electronmechanical design and process technology, and shelf depreciation ultrasound wave, light pulse signal are measured mould
Block is packaged into integrated transducer, it would however also be possible to employ other design or processing methods.
2) signals collecting mode
Shelf depreciation ultrasound wave, light pulse signal are acquired, store by the double channel data acquisition device described in Fig. 1
And transmission, it is also possible to utilize multichannel collecting to realize, or distributed capture mode realizes monitoring network.
3) light pulse sensor construction is arranged
Light pulse sensor described in Fig. 3 utilize 8 symmetrical by ultrasonic sensor, it is also possible to 12,16
Etc. symmetrical arrangement.
4) thin film cavity sonde configuration is arranged
Thin film cavity sonde configuration described in Fig. 3 arrange in silicon fiml thin slice with silicon sleeve pipe for being mutually perpendicular to, it is also possible to
There is certain angle, see Fig. 5.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in the amendment of various equivalence or replace
Changing, these amendments or replacement all should be contained within protection scope of the present invention.Therefore, protection scope of the present invention should be with right
The protection domain required is as the criterion.
Claims (6)
1. shelf depreciation ultrasound wave optical pulse detecting method in an intrusive mood transformer oil, it is characterised in that including:
Will be provided with measuring the intrusive mood local discharge sensor of ultrasound wave, light pulse signal, by transformer shell simultaneously
Fuel outlet valve, gos deep in the transformer oil in transformer tank body；
Wherein, Processing of Partial Discharge Ultrasonic Signals is by probe, through fiber-optic transfer, by being converted into voltage after opto-electronic conversion and amplification
Waveshape signal；
Shelf depreciation light pulse signal is then by probe, through fiber-optic transfer, by being converted into voltage wave after opto-electronic conversion and amplification
Shape signal；
The two-way voltage waveform signal formed, synchronized data acquisition is delivered to control and display device.
Shelf depreciation ultrasound wave optical pulse detecting method in a kind of intrusive mood transformer oil the most according to claim 1, its
Being characterised by, the method specifically includes following steps:
Step 1, based on micro electronmechanical design and process technology, is packaged into shelf depreciation ultrasound wave, light pulse signal measurement module
Integrated transducer；
Step 2, utilizes integrated transducer the fuel outlet valve on transformer shell to install, penetrates with in transformer oil；
Step 3, Processing of Partial Discharge Ultrasonic Signals is popped one's head in by thin film cavity based on Fabry-Perot principle of interference, through optical fiber
Transmission, by being converted into voltage waveform signal after opto-electronic conversion and amplification；Shelf depreciation light pulse signal is then common by many
The probe that optical fiber parallel connection is formed, through fiber-optic transfer, by being converted into voltage waveform signal after opto-electronic conversion and amplification；
Step 4, utilize double-channel data synchronous acquisition device shelf depreciation ultrasound wave, light pulse signal are carried out synchronous acquisition,
Storage and transmission；
Step 5, shelf depreciation ultrasound wave, light pulse signal show and relative analysis, print result.
3. shelf depreciation ultrasound wave light pulse detecting system in an intrusive mood transformer oil, it is characterised in that including: intrusive mood
Integrated transducer package casing module (4), shelf depreciation ultrasound examination module (5), shelf depreciation light pulse detection module
(6), shelf depreciation ultrasound examination light source module (7), shelf depreciation ultrasound examination three-dB coupler module (8), optical fiber
Transport module (9), dual channel optoelectronic conversion and amplifying device module (10), double-channel data synchronous acquisition device module (11),
Control and display device module (12) and print module (13), described intrusive mood integrated transducer package casing module (4)
Shelf depreciation ultrasound examination module (5) and local discharging light pulse detection module (6) are packaged together, define integration
Possess local discharge sensor in the intrusive mood transformer oil simultaneously measuring ultrasound wave, light pulse signal；
Described intrusive mood integrated transducer package casing module (4) is connected to dual pathways light by optical fiber transmission module (9)
Electricity conversion and amplifying device module (10)；
Shelf depreciation ultrasound examination module (5) drawn game in described intrusive mood integrated transducer package casing module (4)
Portion's electric discharge ultrasound examination light source module (7), shelf depreciation ultrasound examination three-dB coupler module (8), fiber-optic transfer mould
The conversion of block (9), dual channel optoelectronic and amplifying device module (10) constitute shelf depreciation based on Fabry-Perot principle of interference
Ultrasonic signal measure loop, uses fiber-optic transfer, by opto-electronic conversion and amplifying device, by the ultrasonic signal of shelf depreciation
It is converted into voltage waveform signal and sends into double-channel data synchronous acquisition device module (11)；
Described shelf depreciation light pulse detection module (6) in intrusive mood integrated transducer package casing module (4) and light
Fine transport module (9), dual channel optoelectronic conversion and amplifying device module (10) constitute shelf depreciation light based on optical fiber technology
Pulse detection loop, uses fiber-optic transfer, by opto-electronic conversion and amplifying device, is converted into by the light pulse signal of shelf depreciation
Voltage waveform signal sends into double-channel data synchronous acquisition device module (11)；
Described double-channel data synchronous acquisition device module (11) gathers and exports through dual channel optoelectronic conversion and amplifying device
2 road voltage waveform signals, by data send into control with display device module (12) carry out show and print module (13) carry out
Print.
Shelf depreciation ultrasound wave light pulse detecting system in a kind of intrusive mood transformer oil the most according to claim 3, its
Being characterised by, described intrusive mood integrated transducer package casing module (4) is based on the transformation on transformer shell module (1)
Device fuel outlet valve module (2) is installed.
Shelf depreciation ultrasound wave light pulse detecting system in a kind of intrusive mood transformer oil the most according to claim 4, its
Being characterised by, described intrusive mood integrated transducer package casing module (4) requires to penetrate with transformator according to electric Field Calculation
In fuel outlet valve module (2), form setpoint distance L with transformer shell module (1).
Shelf depreciation ultrasound wave light pulse detecting system in a kind of intrusive mood transformer oil the most according to claim 3, its
Being characterised by, described control and display device module (12) pass through data wire to double-channel data synchronous acquisition device module
(11) and dual channel optoelectronic conversion and amplifying device module (10) carry out parameter setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835560.8A CN106249117A (en) | 2016-09-20 | 2016-09-20 | Shelf depreciation ultrasound wave optical pulse detecting method and system in intrusive mood transformer oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835560.8A CN106249117A (en) | 2016-09-20 | 2016-09-20 | Shelf depreciation ultrasound wave optical pulse detecting method and system in intrusive mood transformer oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106249117A true CN106249117A (en) | 2016-12-21 |
Family
ID=57598984
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835560.8A Pending CN106249117A (en) | 2016-09-20 | 2016-09-20 | Shelf depreciation ultrasound wave optical pulse detecting method and system in intrusive mood transformer oil |
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| Country | Link |
|---|---|
| CN (1) | CN106249117A (en) |
Cited By (11)
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| CN107657287A (en) * | 2017-10-26 | 2018-02-02 | 贵州电网有限责任公司电力科学研究院 | A kind of acid value of transformer oil multi-frequency ultrasonic tests regression prediction method |
| CN107728030A (en) * | 2017-11-14 | 2018-02-23 | 国网上海市电力公司 | Partial-discharge ultrahigh-frequency, ultrasonic wave, light pulse combined detection system and method |
| CN108414906A (en) * | 2018-04-16 | 2018-08-17 | 国网上海市电力公司 | The system and method for partial discharge of transformer is detected using Mach-Zehnder fiber optic interferometrics |
| CN108445362A (en) * | 2018-03-29 | 2018-08-24 | 国网上海市电力公司 | Shelf depreciation ultrasonic signal detecting system based on optical fiber sensing technology and method |
| CN108445369A (en) * | 2018-05-30 | 2018-08-24 | 上海电力学院 | Partial discharge of transformer interferes formula monitoring device |
| CN108594086A (en) * | 2018-04-13 | 2018-09-28 | 国网上海市电力公司 | All -fiber Michelson inside transformers shelf depreciation ultrasonic signal detecting system and method |
| CN108802588A (en) * | 2018-08-30 | 2018-11-13 | 国网上海市电力公司 | Built-in GIS partial-discharge ultrahigh-frequencies and light pulse combined detection system and method |
| CN108957266A (en) * | 2018-08-30 | 2018-12-07 | 国网上海市电力公司 | Built-in GIS partial-discharge ultrahigh-frequency and ultrasonic combined detection system and method |
| CN109188219A (en) * | 2018-08-30 | 2019-01-11 | 国网上海市电力公司 | Built-in GIS shelf depreciation ultrasonic wave and light pulse combined detection system and method |
| CN112924822A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Anti-interference method and device for partial discharge weak light detection |
| CN113985224A (en) * | 2021-09-27 | 2022-01-28 | 西安交通大学 | Transformer partial discharge positioning system and method based on sound-electricity combined detection |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657287A (en) * | 2017-10-26 | 2018-02-02 | 贵州电网有限责任公司电力科学研究院 | A kind of acid value of transformer oil multi-frequency ultrasonic tests regression prediction method |
| CN107728030A (en) * | 2017-11-14 | 2018-02-23 | 国网上海市电力公司 | Partial-discharge ultrahigh-frequency, ultrasonic wave, light pulse combined detection system and method |
| CN108445362A (en) * | 2018-03-29 | 2018-08-24 | 国网上海市电力公司 | Shelf depreciation ultrasonic signal detecting system based on optical fiber sensing technology and method |
| CN108594086A (en) * | 2018-04-13 | 2018-09-28 | 国网上海市电力公司 | All -fiber Michelson inside transformers shelf depreciation ultrasonic signal detecting system and method |
| CN108414906A (en) * | 2018-04-16 | 2018-08-17 | 国网上海市电力公司 | The system and method for partial discharge of transformer is detected using Mach-Zehnder fiber optic interferometrics |
| CN108445369A (en) * | 2018-05-30 | 2018-08-24 | 上海电力学院 | Partial discharge of transformer interferes formula monitoring device |
| CN108802588A (en) * | 2018-08-30 | 2018-11-13 | 国网上海市电力公司 | Built-in GIS partial-discharge ultrahigh-frequencies and light pulse combined detection system and method |
| CN108957266A (en) * | 2018-08-30 | 2018-12-07 | 国网上海市电力公司 | Built-in GIS partial-discharge ultrahigh-frequency and ultrasonic combined detection system and method |
| CN109188219A (en) * | 2018-08-30 | 2019-01-11 | 国网上海市电力公司 | Built-in GIS shelf depreciation ultrasonic wave and light pulse combined detection system and method |
| CN112924822A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Anti-interference method and device for partial discharge weak light detection |
| CN113985224A (en) * | 2021-09-27 | 2022-01-28 | 西安交通大学 | Transformer partial discharge positioning system and method based on sound-electricity combined detection |
| CN113985224B (en) * | 2021-09-27 | 2022-10-11 | 西安交通大学 | Transformer partial discharge positioning system and method based on sound-electricity combined detection |
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