CN210222183U - Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS - Google Patents
Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS Download PDFInfo
- Publication number
- CN210222183U CN210222183U CN201920803573.6U CN201920803573U CN210222183U CN 210222183 U CN210222183 U CN 210222183U CN 201920803573 U CN201920803573 U CN 201920803573U CN 210222183 U CN210222183 U CN 210222183U
- Authority
- CN
- China
- Prior art keywords
- ultrahigh frequency
- light source
- sensor
- photomultiplier
- test cavity
- 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
Images
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to a device and a device for testing the consistency of ultrahigh frequency-optical signals in a GIS, wherein the device comprises a pulse generator, a light source controller, a switch, a test cavity, a ultrahigh frequency transmitting sensor, a light source, an ultrahigh frequency receiving sensor, a photomultiplier and an oscilloscope, the input end of the switch is respectively connected with the pulse generator and the light source controller, the output end of the switch is respectively connected with the ultrahigh frequency transmitting sensor and the light source, the ultrahigh frequency receiving sensor and the photomultiplier are both connected with the oscilloscope, the ultrahigh frequency transmitting sensor and the light source are arranged at one end in the test cavity, the ultrahigh frequency receiving sensor and the photomultiplier are arranged at the other end in the test cavity, a containing groove for placing obstacles is arranged in the test cavity, the containing groove is positioned between the light source and the photomultiplier and between the ultrahigh frequency transmitting sensor and the ultrahigh frequency receiving sensor. Compared with the prior art, the utility model discloses can test the influence law of all kinds of barriers to the produced light of discharging, superfrequency signal uniformity.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment measures and specifically relates to a superfrequency-light signal uniformity test equipment and device in GIS are related to.
Background
Large-scale power transformer and Gas-insulated fully-enclosed switchgear (GIS) are the most important devices in the current power system, and the operation reliability of the GIS is directly related to the safety and stability of the power grid system. In the GIS, defects such as metal tips and floating potentials occur occasionally, and partial discharge occurs when the defects occur. The ultrahigh frequency method is widely applied to detecting partial discharge of GIS internal defects, and although the ultrahigh frequency method has strong anti-interference capability, various interferences from external space still exist in field detection and laboratory research, and partial discharge signals of interference signals are sometimes difficult to distinguish. The detection of partial discharge by using optical signals generated by GIS internal defects is developed gradually at present, and especially, the simultaneous measurement of ultrahigh frequency and optical signals by using a photoelectric sensor plays an important role in improving the anti-interference capability and accurately identifying the defects. However, since the propagation characteristics of the optical signal and the uhf signal are very different, especially the optical signal has both the wave propagation characteristics and the particle propagation characteristics, it is a difficult problem to obtain the consistency of the two types of signals. To this end, the utility model provides a superfrequency-light signal conformance testing equipment in GIS can obtain the influence law of various parts to two kinds of signal propagation characteristic in the GIS, and then obtains its conformance law.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a superfrequency-light signal conformance testing equipment and device in GIS in order to overcome the defects that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the input end of the switch is respectively connected with the pulse generator and the light source controller, the output end of the switch is respectively connected with the ultrahigh frequency transmitting sensor and the light source, the ultrahigh frequency receiving sensor and the photomultiplier are both connected with the oscilloscope, the ultrahigh frequency transmitting sensor and the light source are arranged at one end in the test cavity, the ultrahigh frequency receiving sensor and the photomultiplier are arranged at the other end in the test cavity, a containing groove for containing obstacles is arranged in the test cavity, and the containing groove is positioned between the light source and the photomultiplier and between the ultrahigh frequency transmitting sensor and the ultrahigh frequency receiving sensor.
The light source is an LED light source.
All cross-sectional areas of the accommodating grooves are equal, wherein the cross sections are perpendicular to propagation paths of the ultrahigh frequency signals and the optical signals.
The types of the obstacles at least comprise a guide rod, a disconnecting switch and a basin-type insulator.
The light source is positioned in the center of the ultrahigh frequency emission sensor.
The utility model provides a superfrequency-light signal uniformity testing arrangement in GIS, includes experimental cavity, superfrequency transmitting transducer, light source, superfrequency receiving transducer and photomultiplier, superfrequency transmitting transducer and light source arrange the one end in experimental cavity in, superfrequency receiving transducer and photomultiplier arrange the other end in experimental cavity in, be equipped with the storage tank that is used for placing the barrier in the experimental cavity, this storage tank is located between light source and the photomultiplier to be located between superfrequency transmitting transducer and the superfrequency receiving transducer.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the influence rule of various barriers in the GIS on the consistency of the ultrahigh frequency signals of the optical signals generated by the partial discharge can be tested, and a basis is provided for photoelectric detection of the GIS partial discharge.
2. The frequency is easy to control by adopting an LED light source;
3. the light source is positioned at the center of the ultrahigh frequency emission sensor, so that the positions of the transmitting ends are as uniform as possible.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. the device comprises a pulse generator, 2, a light source controller, 3, a switch, 4, an ultrahigh frequency transmitting sensor, 5, a light source, 6, an ultrahigh frequency receiving sensor, 7, a photomultiplier, 8, an oscilloscope, 9, a test cavity, 10 and a containing groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
An ultrahigh frequency-optical signal consistency test device in a GIS (geographic information System), as shown in figure 1, comprises a pulse generator 1, a light source controller 2, a switch 3, a test cavity 9, an ultrahigh frequency transmitting sensor 4, a light source 5, an ultrahigh frequency receiving sensor 6, a photomultiplier tube 7 and an oscilloscope 8, wherein the input end of the switch 3 is respectively connected with the pulse generator 1 and the light source controller 2, the output end of the switch 3 is respectively connected with the ultrahigh frequency transmitting sensor 4 and the light source 5, the ultrahigh frequency receiving sensor 6 and the photomultiplier tube 7 are both connected with the oscilloscope 8, the ultrahigh frequency transmitting sensor 4 and the light source 5 are arranged at one end in the test cavity 9, the ultrahigh frequency receiving sensor 6 and the photomultiplier tube 7 are arranged at the other end in the test cavity 9, a containing groove 10 for placing an obstacle is arranged in the test cavity 9, the accommodation tank 10 is located between the light source 5 and the photomultiplier tube 7, and between the uhf transmission sensor 4 and the uhf reception sensor 6.
Preferably, the light source 5 is an LED light source. All the cross-sectional areas of the receiving grooves 10 are equal, wherein the cross-sections are perpendicular to the propagation paths of the uhf signals and the optical signals. The types of obstacles at least include guide rods, isolating switches and basin insulators. The light source 5 is located in the center of the uhf emission sensor 4.
In addition, a device for testing the consistency of the ultrahigh frequency-optical signal in the GIS can be obtained, and the device comprises a test cavity 9, an ultrahigh frequency transmitting sensor 4, a light source 5, an ultrahigh frequency receiving sensor 6 and a photomultiplier tube 7, wherein the ultrahigh frequency transmitting sensor 4 and the light source 5 are arranged at one end in the test cavity 9, the ultrahigh frequency receiving sensor 6 and the photomultiplier tube 7 are arranged at the other end in the test cavity 9, a containing groove 10 for placing an obstacle is arranged in the test cavity 9, and the containing groove 10 is positioned between the light source 5 and the photomultiplier tube 7 and between the ultrahigh frequency transmitting sensor 4 and the ultrahigh frequency receiving sensor 6.
The test method of the ultrahigh frequency-optical signal consistency test equipment in the GIS comprises the following steps:
step S1: filling the accommodating groove 10 with obstacles;
step S2: the fast pulse generator is input into the ultrahigh frequency transmitting sensor 4 in the test cavity 9 and controls the LED light source 5 to be lightened through the control of the switch 3, and the ultrahigh frequency signal and the optical signal are output simultaneously, wherein the pulse generator 1 can generate the fast pulse with the leading edge less than 1 nanosecond, the ultrahigh frequency transmitting sensor 4 can be excited to transmit the ultrahigh frequency electromagnetic wave signal within the range of 300MHz-3GHz, the LED light source can radiate the optical signal with the wavelength range of 200 and 800 nanometers, the LED light source 5 is placed at the central position of the ultrahigh frequency sensor, the switch 3 is utilized to transmit the two types of signals simultaneously, the ultrahigh frequency receiving sensor 6 and the photomultiplier tube 7 are utilized to receive the ultrahigh frequency and the optical signal at the other end of the test cavity 9 and send the ultrahigh frequency and the optical signal to the oscilloscope 8 for display, wherein the frequency range of the ultrahigh frequency electromagnetic wave signal is 300MHz-3GHz, the wavelength range of the optical signal is 200-800 nm;
step S3: the types of obstacles are replaced, and the process returns to step S2 until the detection of all the target obstacles is completed.
The size, the length and other parameters of the test cavity 9 can be adjusted randomly according to different voltage levels, and the transmission characteristics of ultrahigh frequency electromagnetic wave signals and optical signals are different in the test, so that the consistency of the two received signals is different when different obstacles exist.
Claims (8)
1. The device for testing the consistency of the ultrahigh frequency-optical signal in the GIS is characterized by comprising a pulse generator (1), a light source controller (2), a switch (3), a test cavity (9), an ultrahigh frequency transmitting sensor (4), a light source (5), an ultrahigh frequency receiving sensor (6), a photomultiplier (7) and an oscilloscope (8), wherein the input end of the switch (3) is respectively connected with the pulse generator (1) and the light source controller (2), the output end of the switch is respectively connected with the ultrahigh frequency transmitting sensor (4) and the light source (5), the ultrahigh frequency receiving sensor (6) and the photomultiplier (7) are both connected with the oscilloscope (8), the ultrahigh frequency transmitting sensor (4) and the light source (5) are arranged at one end in the test cavity (9), the ultrahigh frequency receiving sensor (6) and the photomultiplier (7) are arranged at the other end in the test cavity (9), a containing groove (10) for placing an obstacle is arranged in the test cavity (9), and the containing groove (10) is positioned between the light source (5) and the photomultiplier (7) and positioned between the ultrahigh frequency transmitting sensor (4) and the ultrahigh frequency receiving sensor (6).
2. The device for testing the consistency of the UHF (ultrahigh frequency) -optical signals in the GIS according to claim 1, wherein the light source (5) is an LED light source.
3. The device for testing the consistency of the UHF (ultrahigh frequency) -optical signals in the GIS according to claim 1, wherein all the cross-sectional areas of the accommodating grooves (10) are equal, wherein the cross-sectional areas are perpendicular to the propagation paths of the UHF signals and the optical signals.
4. The device for testing the consistency of the UHF (ultrahigh frequency) -optical signals in the GIS according to claim 1, wherein the types of the obstacles at least comprise a guide rod, a disconnecting switch and a basin-type insulator.
5. The UHF-optical signal consistency test device in GIS according to claim 1 is characterized in that the light source (5) is located at the center of the UHF emitting sensor (4).
6. The device for testing the consistency of the ultrahigh frequency-optical signals in the GIS is characterized by comprising a test cavity (9), an ultrahigh frequency transmitting sensor (4), a light source (5), an ultrahigh frequency receiving sensor (6) and a photomultiplier (7), wherein the ultrahigh frequency transmitting sensor (4) and the light source (5) are arranged at one end of the test cavity (9), the ultrahigh frequency receiving sensor (6) and the photomultiplier (7) are arranged at the other end of the test cavity (9), a containing groove (10) for containing obstacles is arranged in the test cavity (9), and the containing groove (10) is positioned between the light source (5) and the photomultiplier (7) and between the ultrahigh frequency transmitting sensor (4) and the ultrahigh frequency receiving sensor (6).
7. The device for testing the consistency of the UHF (ultrahigh frequency) -optical signals in the GIS according to claim 6, wherein the light source (5) is an LED light source.
8. The device for testing the consistency of the UHF (ultrahigh frequency) -optical signal in the GIS according to claim 6, wherein the light source (5) is positioned at the center of the UHF emission sensor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803573.6U CN210222183U (en) | 2019-05-30 | 2019-05-30 | Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803573.6U CN210222183U (en) | 2019-05-30 | 2019-05-30 | Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222183U true CN210222183U (en) | 2020-03-31 |
Family
ID=69928823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920803573.6U Active CN210222183U (en) | 2019-05-30 | 2019-05-30 | Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210222183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082658A (en) * | 2019-05-30 | 2019-08-02 | 国网上海市电力公司 | Superfrequency-optical signal uniformity test unit and method in GIS |
-
2019
- 2019-05-30 CN CN201920803573.6U patent/CN210222183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082658A (en) * | 2019-05-30 | 2019-08-02 | 国网上海市电力公司 | Superfrequency-optical signal uniformity test unit and method in GIS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Qi et al. | Surface discharge initiated by immobilized metallic particles attached to gas insulated substation insulators: process and features | |
| CN101799488B (en) | Device and method for generating nominal voltage | |
| Okabe et al. | New aspects of UHF PD diagnostics on gas-insulated systems | |
| CN105807190A (en) | GIS partial discharge ultrahigh frequency live-line detection method | |
| JP2000002742A (en) | Partial discharge detecting device for gas insulated equipment, and calibration thereof | |
| CN104330599A (en) | Partial-discharge ultrahigh-frequency signal simulation source | |
| CN210222183U (en) | Equipment and device for testing consistency of ultrahigh frequency-optical signals in GIS | |
| CN103149518B (en) | Partial discharge test circuit | |
| CN204188674U (en) | A kind of local discharge superhigh frequency signal imitation source | |
| KR101358089B1 (en) | Apparatus for detecting ultra violet arc diagnois of switchgear | |
| CN1320366C (en) | Detection method and device for live insulator in high-voltage transmission line | |
| CN112014694A (en) | System and method for measuring optical signal propagation characteristics of gas insulated switchgear | |
| CN109557388A (en) | High resolution space charge test macro based on LIPP method | |
| CN110082658A (en) | Superfrequency-optical signal uniformity test unit and method in GIS | |
| Nishigouchi et al. | Waveform estimation of particle discharge currents in straight 154 kV GIS using electromagnetic wave propagation simulation | |
| CN110471019B (en) | Ultrahigh frequency partial discharge sensor performance detection method and system | |
| CN109633292B (en) | Cable shielding treatment method for cable space charge test by pressure wave method | |
| CN107817425B (en) | Identification method and detection system for true and false discharge source of power transmission line | |
| CN105425117A (en) | UHF partial discharge sensor accuracy detection system | |
| CN105021870A (en) | Measurement method for induced voltage of cable terminal | |
| Zhang et al. | High bandwidth measurement of partial discharge current pulses based on the optimized needle-plate electrode system | |
| CN213149154U (en) | Detection apparatus for GIS electric cable terminal office is put | |
| Li et al. | The influence of T-shaped structure on partial discharge radiated electromagnetic wave propagation in GIS | |
| Wang et al. | Multispectral characteristic analysis for free metallic particle discharge in SF6 gas conditions | |
| CN110632466A (en) | Signal testing device based on logarithmic detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |