CN206531946U - The calibration equipment of live testing apparatus for local discharge - Google Patents
The calibration equipment of live testing apparatus for local discharge Download PDFInfo
- Publication number
- CN206531946U CN206531946U CN201621362511.9U CN201621362511U CN206531946U CN 206531946 U CN206531946 U CN 206531946U CN 201621362511 U CN201621362511 U CN 201621362511U CN 206531946 U CN206531946 U CN 206531946U
- Authority
- CN
- China
- Prior art keywords
- coupling device
- calibration equipment
- testing apparatus
- local discharge
- equipment according
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000008878 coupling Effects 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- 230000004044 response Effects 0.000 claims abstract description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a kind of calibration equipment of live testing apparatus for local discharge.Wherein, the calibration equipment includes：Impulse generator, for launching demarcation signal；Coupling device, impulse generator is connected by coupling device with localized sensor in tested live testing apparatus for local discharge, wherein, localized sensor is used for the demarcation signal that acquisition pulse generator is launched；And local detector main frame, it is connected with localized sensor, for detecting impulse response signal, wherein, the comparing result of pulse signal and demarcation signal is used for the test performance for indicating live testing apparatus for local discharge.The utility model solves the relatively low technical problem of the degree of accuracy of the correlation technique to the field-checking of live testing apparatus for local discharge.
Description
Technical field
The utility model is related to power domain, is set in particular to a kind of verification of live testing apparatus for local discharge
It is standby.
Background technology
The detection " accuracy " and work " stability " of live testing apparatus for local discharge are related to High-Voltage Electrical Appliances operation
Security, so as to have influence on the normal operation of whole power system.Detected just in live testing apparatus for local discharge
Pattern and qualification first often are carried out in laboratory to whole device before being use.But onsite application environment is more multiple than laboratory
Miscellaneous is more, and the hydraulic performance decline caused during device long-term use by factors such as aging, damages, all normal inspection to device
Survey causes strong influence, namely correlation technique at present to the degree of accuracy of the field-checking of live testing apparatus for local discharge compared with
It is low.
For correlation technique it is relatively low to the degree of accuracy of the field-checking of live testing apparatus for local discharge the problem of, at present still
Effective solution is not proposed.
Utility model content
The utility model embodiment provides a kind of calibration equipment of live testing apparatus for local discharge, at least to solve phase
The relatively low technical problem of the degree of accuracy of the pass technology to the field-checking of live testing apparatus for local discharge.
Set according to the one side of the utility model embodiment there is provided a kind of verification of live testing apparatus for local discharge
It is standby, including：Impulse generator, for launching demarcation signal；Coupling device, impulse generator passes through coupling device and tested part
Localized sensor is connected in electric discharge measuring device with electricity, wherein, localized sensor is used for the demarcation that acquisition pulse generator is launched
Signal；And local detector main frame, be connected with localized sensor, for detecting impulse response signal, wherein, pulse signal and
The comparing result of demarcation signal is used for the test performance for indicating live testing apparatus for local discharge.
Further, coupling device is the change pattern of coaxial RF cables, and localized sensor is fastened in the cored wire of coupling device
On, wherein, the cored wire of coupling device is connected with impulse generator.
Further, the symmetrical structure of coupling device.
Further, the impedance summation of coupling device is 50 ohm.
Further, coupling device is connected by coaxial RF cables with the metallic plate of an impedance matching, localized sensor patch
In metallic plate pre-position, wherein, the cored wire of coupling device is connected with impulse generator and metallic plate respectively.
Further, coupling device is connected by coaxial RF cables with a check platform, and it is flat that localized sensor is attached to check
Platform pre-position, wherein, the cored wire of coupling device is connected with impulse generator and check platform respectively.
Further, checking platform includes upper mounting plate and lower platform, wherein, localized sensor is located at upper mounting plate and lower platform
Between.
Further, the cored wire connection of upper mounting plate and coupling device, lower platform is connected with ultrasound measuring instrument main frame.
Further, the output voltage of impulse generator in 5V between 200V, including 10V, 20V, 50V, 100V,
150V, 200V gear, the rising edge of input pulse waveform are less than or equal to 600ps, and pulse width, between 100ns, is exported in 4ns
The stability of amplitude is higher than 95%.
Further, impulse generator is hand-held.
In the utility model embodiment, the calibration equipment of live testing apparatus for local discharge includes：Impulse generator, is used
In transmitting demarcation signal；Coupling device, impulse generator passes through office in coupling device and tested live testing apparatus for local discharge
Portion's sensor connection, wherein, localized sensor is used for the demarcation signal that acquisition pulse generator is launched；And local detector master
Machine, is connected with localized sensor, for detecting impulse response signal, wherein, the comparing result of pulse signal and demarcation signal is used
In the test performance for indicating live testing apparatus for local discharge, reach and school is carried out to live testing apparatus for local discharge at the scene
The purpose tested, and then solve the relatively low technology of the degree of accuracy of the correlation technique to the field-checking of live testing apparatus for local discharge
Problem, it is achieved thereby that improving the technology effect of the degree of accuracy detected to live testing apparatus for local discharge to shelf depreciation
Really.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram of the calibration equipment of the live testing apparatus for local discharge according to the utility model embodiment；
Fig. 2 is a kind of calibration equipment of optional live testing apparatus for local discharge according to the utility model embodiment
Schematic diagram；
Fig. 3 is the calibration equipment of another optional live testing apparatus for local discharge according to the utility model embodiment
Schematic diagram；And
Fig. 4 is the calibration equipment of another optional live testing apparatus for local discharge according to the utility model embodiment
Schematic diagram.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can be exchanged in the appropriate case, so that embodiment of the present utility model described herein can be with except at this
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure is that covering is non-exclusive and included, and is not necessarily limited to clearly for example, containing a series of process of units, system, product or equipment
Those units listed to Chu, but may include not listing clearly or intrinsic for these processes, product or equipment
Other units.
According to the utility model embodiment, there is provided a kind of implementation of the calibration equipment of live testing apparatus for local discharge
Example.
Fig. 1 is the schematic diagram of the calibration equipment of the live testing apparatus for local discharge according to the utility model embodiment, such as
Shown in Fig. 1, the calibration equipment of live testing apparatus for local discharge includes：
Impulse generator, for launching demarcation signal；Coupling device, impulse generator passes through coupling device and tested part
Localized sensor is connected in electric discharge measuring device with electricity, wherein, localized sensor is used for the demarcation that acquisition pulse generator is launched
Signal；And local detector main frame, be connected with localized sensor, for detecting impulse response signal, wherein, pulse signal and
The comparing result of demarcation signal is used for the test performance for indicating live testing apparatus for local discharge.
Herein it should be noted that the calibration equipment of the integrated live testing apparatus for local discharge in the embodiment
In, signal generator considers compatibility UHF, high frequency, TEV and AE detections, and unified is the index of UHF demarcation signal generators, so
The usage quantity of signal generating module can be greatly reduced, and meet the measurement request of various detection modes.
UHF, TEV and AE coupling device can be integrated on the shell of impulse generator, realized by the shell of transformation
The field-checking of these three modes.The verification of high frequency partial discharge is designed as detachable with coupling device, and signal is connected on when using
On the lead-out terminal of device.
As a kind of optional embodiment, as shown in Fig. 2 the live testing apparatus for local discharge of the utility model embodiment
Calibration equipment in coupling device can be coaxial RF cables change pattern, localized sensor can be fastened in coupling device
On cored wire, wherein, the cored wire of coupling device is connected with impulse generator.
Alternatively, as shown in Fig. 2 the symmetrical structure of coupling device；Alternatively, the impedance summation of coupling device is 50
Ohm.
As an alternative embodiment, as shown in figure 3, the shelf depreciation live detection dress of the utility model embodiment
Coupling device in the calibration equipment put can be connected by coaxial RF cables with the metallic plate of an impedance matching, localized sensor
Metallic plate pre-position is attached to, wherein, the cored wire of coupling device is connected with impulse generator and metallic plate respectively.
As an alternative embodiment, as shown in figure 4, the shelf depreciation live detection dress of the utility model embodiment
Coupling device in the calibration equipment put can be connected by coaxial RF cables with a check platform, and localized sensor is attached to check
Platform pre-position, wherein, the cored wire of coupling device is connected with impulse generator and check platform respectively.
Alternatively, as shown in figure 4, checking platform includes upper mounting plate and lower platform, wherein, localized sensor is located at upper mounting plate
Between lower platform；Alternatively, the cored wire connection of upper mounting plate and coupling device, lower platform is connected with ultrasound measuring instrument main frame.
It is used as a kind of optional embodiment, the calibration equipment of the live testing apparatus for local discharge of the utility model embodiment
In impulse generator output voltage in 5V between 200V, including 10V, 20V, 50V, 100V, 150V, 200V gear is defeated
The rising edge for entering impulse waveform is less than or equal to 600ps, and pulse width is in 4ns between 100ns, and the stability of output amplitude is higher than
95%.
Alternatively, impulse generator is hand-held.
Pass through above-mentioned steps, it is possible to achieve the purpose verified at the scene to live testing apparatus for local discharge, and then
The relatively low technical problem of the degree of accuracy of the correlation technique to the field-checking of live testing apparatus for local discharge is solved, so as to realize
Improve the technique effect of the degree of accuracy detected to shelf depreciation to live testing apparatus for local discharge.
Above-mentioned the utility model embodiment sequence number is for illustration only, and the quality of embodiment is not represented.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in some embodiment
The part not being described in detail, may refer to the associated description of other embodiment.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of calibration equipment of live testing apparatus for local discharge, it is characterised in that including：
Impulse generator, for launching demarcation signal；
Coupling device, the impulse generator is by the coupling device with locally being passed in tested live testing apparatus for local discharge
Sensor is connected, wherein, the localized sensor is used for the demarcation signal for gathering the impulse generator transmitting；And
Local detector main frame, is connected with the localized sensor, for detecting impulse response signal, wherein, the pulse letter
Number it is used for the test performance that indicates the live testing apparatus for local discharge with the comparing result of the demarcation signal.
2. calibration equipment according to claim 1, it is characterised in that the coupling device is the modification of coaxial RF cables
Formula, the localized sensor is fastened on the cored wire of the coupling device, wherein, the cored wire of the coupling device and the pulse
Generator is connected.
3. calibration equipment according to claim 2, it is characterised in that the symmetrical structure of coupling device.
4. calibration equipment according to claim 3, it is characterised in that the impedance summation of the coupling device is 50 ohm.
5. calibration equipment according to claim 1, it is characterised in that the coupling device is hindered by coaxial RF cables and one
The metallic plate of anti-matching is connected, and the localized sensor is attached to the metallic plate pre-position, wherein, the coupling device
Cored wire is connected with the impulse generator and the metallic plate respectively.
6. calibration equipment according to claim 1, it is characterised in that the coupling device passes through coaxial RF cables and a school
Core platform is connected, and the localized sensor is attached to the check platform pre-position, wherein, the cored wire point of the coupling device
It is not connected with the impulse generator and the check platform.
7. calibration equipment according to claim 6, it is characterised in that the check platform includes upper mounting plate and lower platform,
Wherein, the localized sensor is located between the upper mounting plate and the lower platform.
8. calibration equipment according to claim 7, it is characterised in that the cored wire of the upper mounting plate and the coupling device connects
Connect, the lower platform is connected with ultrasound measuring instrument main frame.
9. calibration equipment according to claim 1, it is characterised in that the output voltage of the impulse generator in 5V extremely
Between 200V, including 10V, 20V, 50V, 100V, 150V, 200V gear, the rising edge of input pulse waveform is less than or equal to
600ps, pulse width is in 4ns between 100ns, and the stability of output amplitude is higher than 95%.
10. calibration equipment according to claim 1, it is characterised in that the impulse generator is hand-held.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362511.9U CN206531946U (en) | 2016-12-12 | 2016-12-12 | The calibration equipment of live testing apparatus for local discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362511.9U CN206531946U (en) | 2016-12-12 | 2016-12-12 | The calibration equipment of live testing apparatus for local discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531946U true CN206531946U (en) | 2017-09-29 |
Family
ID=59921839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362511.9U Active CN206531946U (en) | 2016-12-12 | 2016-12-12 | The calibration equipment of live testing apparatus for local discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206531946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609247A (en) * | 2019-09-19 | 2019-12-24 | 国网天津市电力公司电力科学研究院 | Transient earth voltage partial discharge detector calibration system |
-
2016
- 2016-12-12 CN CN201621362511.9U patent/CN206531946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609247A (en) * | 2019-09-19 | 2019-12-24 | 国网天津市电力公司电力科学研究院 | Transient earth voltage partial discharge detector calibration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101044410B (en) | Partial discharge detection apparatus and detection method of electrical rotating machine | |
| CN103852697B (en) | Cable partial discharge detection device | |
| CN206321749U (en) | A kind of shelf depreciation high frequency electric detection means | |
| CN103217658A (en) | Calibration evaluating system and method of partial discharge ultrahigh-frequency detecting device based on GTEM | |
| CN108548962A (en) | A kind of grounded screen alternating current and direct current and impulse resistance integrated test system and method | |
| CN103267940A (en) | Multi-module parallel test system and multi-module parallel test method | |
| CN101520479A (en) | Method for testing accurate multifrequency and synchronous synergetic conduction sensitivity at high speed | |
| CN206531946U (en) | The calibration equipment of live testing apparatus for local discharge | |
| Zhao et al. | Testing and modelling of voltage transformer for high order harmonic measurement | |
| CN106443549B (en) | A kind of analog AC resistance device for calibration battery internal resistance test device | |
| CN109307817A (en) | A kind of cable electrification identifier and recognition methods | |
| Zhu et al. | Software for control and calibration of an inductive shunt on-line impedance analyzer | |
| CN209198566U (en) | A kind of cable electrification identifier | |
| CN207908626U (en) | A kind of simulation high frequency Partial discharge signal generating means | |
| CN106324450A (en) | Characteristic impedance matching method in cable transmission attenuation characteristic test | |
| CN109283396A (en) | Ground resistance measurement method and system, the pincers resistance instrument for quantifying noiseproof feature | |
| CN206038784U (en) | Live line measurement zinc oxide arrester's wireless tester | |
| CN105445675B (en) | The mass analysis method of AC power | |
| CN107462759A (en) | Test board for static discharge current waveforms detection | |
| CN207730927U (en) | T/R component test system calibrating installations | |
| CN209356589U (en) | A kind of detection device for microwave device | |
| CN203950010U (en) | Cable local discharge detection device | |
| CN106842091A (en) | The calibration equipment of AE live testing apparatus for local discharge, method and device | |
| CN104375110B (en) | A kind of ground radio wave sensor Performance Test System | |
| CN208350896U (en) | A kind of measuring device of harmonic wave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |