CN107462818A - GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth - Google Patents
GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth Download PDFInfo
- Publication number
- CN107462818A CN107462818A CN201710781976.0A CN201710781976A CN107462818A CN 107462818 A CN107462818 A CN 107462818A CN 201710781976 A CN201710781976 A CN 201710781976A CN 107462818 A CN107462818 A CN 107462818A
- Authority
- CN
- China
- Prior art keywords
- extra
- partial discharge
- video sensor
- high video
- cone
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 44
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 230000003750 conditioning effect Effects 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000013461 design Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—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
- G01R31/1245—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 line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention provides a kind of GIS disc insulators and pours the extra-high video sensor of the external partial discharge monitoring of mouth, including cone probe and the metallic cavity for being fixed on sealed cast hole on disc insulator, the cone probe include cylindrical structure（6）With with the cylindrical structure（6）The conical structure of connection（7）, metal aperture of the metal covering provided with an insertion to inside cavity and alignment plug hole long side of metallic cavity（4）, the metal aperture（4）The hollow binding post that upper fixed both ends are not closed（5）, the cylindrical structure of cone probe（6）Positioned at binding post（5）It is interior, cylindrical structure（6）With binding post（5）Fill insulant between inwall, the conical structure of the cone probe（7）In metallic cavity.Plug hole and its surrounding metal are designed to a part i.e. radiant section of sensor by the present invention, solve the problems, such as that surrounding metal deteriorates sensor performance.
Description
Technical field
The invention belongs to the state of insulation on-line monitoring technique field of electrical equipment, more particularly to GIS disc insulators to pour
Build the extra-high video sensor of the external partial discharge monitoring of mouth.
Background technology
GIS (Gas Insulated Switchgear) is due to floor space is small, operational reliability is high, the time between overhauls(TBO)
Length, it is not widely used in by the advantages that external environmental interference, easy transportation and installation in power system, is that the core in transformer station is set
It is standby.In order to prevent catastrophic discontinuityfailure occurs for GIS from causing locally even on a large scale to have a power failure, GIS on-line monitoring and state estimation must
It is indispensable., can by monitoring shelf depreciation and the on-line monitoring of shelf depreciation is a part critically important in whole link
Effectively find the insulation defect of early stage and avoid it from further developing.In view of shelf depreciation can inspire extra-high frequency electromagnetic waves,
Therefore just it can judge whether shelf depreciation occurs inside GIS indirectly using extra-high video sensor.In order to not influence inside GIS
Electric Field Distribution, generally it is more likely to use external extra-high video sensor.Because metal can shield electromagnetic wave, external superfrequency sensing
Device need to be arranged on GIS cavitys not by plated place.Disc insulator is complete not by metal as only a few on GIS
The position of all standing becomes the installation site commonly used for outer sensor.Disc insulator is gradually turned by Open architecture at present
It is changed into pouring into a mould pore structure.GIS manufacturers can be provided with thickness about 25-30mm becket in disc insulator outer ring,
Somewhere can leave a metal aperture on becket, and inside is cast with and disc insulator material identical epoxy resins insulation material
Material, thus it is referred to as plug hole.The pattern of plug hole, size have different design according to different producers, its pattern master
There are two kinds：A kind of entirety is rectangular, and four angles can carry out rounded corners processing；Another both ends are arc-shaped, overall to present
For the pattern of round rectangle.Its common size is：Length 45-55mm, wide 15-20mm.
The extra-high video sensor of external is both designed as an independent radiating element at present.But poured when sensor is installed on
When on orifice, plug hole surrounding metal is substantially in the near field of sensor, equivalent to introducing new boundary condition, this
When sensor be not an independent radiating element, this situation about not taking into account in the design process can have a strong impact on sensing
The receptivity of device.Therefore, in the prior art, it is badly in need of considering how to reduce shadow of the plug hole surrounding metal to sensor performance
Ring and design corresponding external extra-high video sensor.
The content of the invention
Design defect of the present invention primarily directed to existing external extra-high video sensor, there is provided a kind of integral with plug hole
Change the external extra-high video sensor and its matching network of design.The present invention can effectively overcome shadow of the surrounding metal to sensor performance
Ring, its is simple in construction, install convenient, high sensitivity.
To achieve the above object, its technical solution is：
A kind of GIS disc insulators pour mouth external partial discharge monitoring extra-high video sensor, including cone probe and fixation
The metallic cavity in sealed cast hole on disc insulator, the cone probe include cylindrical structure and with the cylindrical structure
The conical structure of connection, the metal covering of metallic cavity are provided with an insertion to inside cavity and are directed at the gold of plug hole long side
Belong to hole, fix the hollow binding post that both ends are not closed in the metal aperture, the cylindrical structure of cone probe is located at terminals
In son, fill insulant between cylindrical structure and binding post inwall, the conical structure of the cone probe is positioned at gold
Belong in cavity.Metallic cavity, insulating material body, cone probe and plug hole and its surrounding metal form a class electromagnetic horn.
Wherein metallic cavity, insulating material body and cone probe constitute feed section, and plug hole and its surrounding metal constitute radiation
Part.Extra-high frequency electromagnetic waves caused by shelf depreciation will be irradiated part and be received in GIS, propagate in plug hole and visited by cone
Pin is coupled into electric signal and conducted to signal conditioning circuit.
The extra-high video sensor of the external partial discharge monitoring of mouth is poured in above-mentioned GIS disc insulators, the cone probe
The bottom surface radius of cone is equal with the distance between cone axle center to metallic cavity and disc insulator contact surface.
The extra-high video sensor of the external partial discharge monitoring of mouth is poured in above-mentioned GIS disc insulators, the metal aperture is circle
Hole, the binding post are inner chamber radius and circular metal pore radius identical metal cylinder.
The extra-high video sensor of the external partial discharge monitoring of mouth is poured in above-mentioned GIS disc insulators, the cone probe
Cylindrical structure is located on the central axis of the cylindric binding post.
Mouth external partial discharge monitoring extra-high video sensor, the cylindric wiring are poured in above-mentioned GIS disc insulators
The outer wall of terminal is provided with the screw thread of fixing coaxial cable yarn.
Pour the external partial discharge monitoring of mouth in above-mentioned GIS disc insulators is with extra-high video sensor, the insulating materials
Polyethylene, polytetrafluoroethylene (PTFE) it is any.
Pour the extra-high video sensor of mouth external partial discharge monitoring in above-mentioned GIS disc insulators, the cone probe by
At least one of aluminium, iron, copper material forms.
Pour the external partial discharge monitoring of mouth in above-mentioned GIS disc insulators is with extra-high video sensor, the metallic cavity
Rectangle or the class rectangle with chamfering, or the class rectangle that short side is circular arc.
The extra-high video sensor of the external partial discharge monitoring of mouth is poured in above-mentioned GIS disc insulators, in addition to for improving
The signal conditioning circuit of sensor performance, the signal conditioning circuit include be sequentially connected electrically the cone probe, inductance L1,
Inductance L2, electric capacity C2 one end are electrically connected between inductance L1 and inductance L2, other end ground connection, and electric capacity C1 one end is electrically connected to inductance
Between L1 and cone probe, the other end ground connection.
Using above sensor, mainly have the following effects：
1. the present invention uses the thinking of integrated design, GIS original structures are made full use of, by plug hole and its surrounding metal
It is designed to the radiant section of sensor.The part being installed on compared with traditional design scheme on GIS plug holes and the spoke of dependent
Unit is penetrated, plug hole and its surrounding metal become a part for sensor, and surrounding metal is naturally also just not present and deteriorates sensing
The problem of device performance.
2. the needle-like probe of traditional rectangular waveguide has been changed to cone probe, this fractal structure can effectively improve sensing
The bandwidth of operation of device, improve the receptivity of sensor.
3. present invention employs the signal conditioning circuit of matching to optimize sensor performance, by adjusting rectangular waveguide and cone
In the case that body probe size can not lift sensor performance, there is provided further optimization means.Adjusted compared to signal is not installed
The sensor of circuit is managed, receptivity further gets a promotion.
The present invention can be widely applied to the on-line monitoring of shelf depreciation inside GIS, simple in construction, install convenient, monitoring
High sensitivity.
Brief description of the drawings
Fig. 1 is external extra-high video sensor bottom surface structure schematic diagram；
Fig. 2 is that external superfrequency sensor side regards structural profile illustration；
Fig. 3 is signal conditioning circuit circuit diagram；
Fig. 4 is the GIS subregions schematic diagram of interception；
Fig. 5 is the return loss plot figure for being installed on sensor when on plug hole；
Fig. 6 is the return loss plot figure for being installed on the sensor with signal conditioning circuit on plug hole.
In figure：1 sensor cavity opening；The subsidiary rectangular metal face in 2 sensor openings faces；3 sensor openings faces attach
Rectangular metal face on be used for fix the metal aperture of sensor；4 penetrate to inside cavity and are directed at the metal of plug hole long side
Hole；5 binding posts；The cylindrical structure of 6 cone probes；The conical structure of 7 cone probes；8 electric capacity C1；9 inductance L1；10 electricity
Hold C2；11 inductance L2.
Embodiment
Invention is described in further detail with reference to the accompanying drawings and detailed description.
As described in background technology, in the prior art, urgent need considers how to reduce plug hole surrounding metal pair
The influence of sensor performance simultaneously designs corresponding external extra-high video sensor, and the present invention proposes a kind of integrated with plug hole
The external extra-high video sensor of design.
Embodiment as shown in Figure 1 and Figure 2, a kind of GIS disc insulators pour the external partial discharge monitoring of mouth and sensed with superfrequency
Device, including cone probe and the metallic cavity for being fixed on sealed cast hole on disc insulator, the cone probe include cylinder
Body structure 6 and the conical structure 7 being connected with the cylindrical structure 6, the metal covering of metallic cavity are provided with an insertion to chamber
Internal portion and the metal aperture 4 for being directed at plug hole long side, the hollow binding post that both ends are not closed is fixedly connected with the metal aperture 4
5, the cylindrical structure 6 of cone probe is located in binding post 5, and insulation is filled between cylindrical structure 6 and the inwall of binding post 5
Material, the conical structure 7 of the cone probe are located in metallic cavity.
Metallic cavity uses rectangular cavities, only bottom surface opening, inner hollow in the present embodiment.1 size that is open and cast
Hole is closely sized to, long 40-100mm, wide 10-40mm, and shape can be that standard rectangular, the class rectangle with chamfering and short side are round
The class rectangle of arc.The cavity heights of metallic cavity are 20-300mm, cavity wall thickness 0.2-20mm.Bottom surface is accompanied with centered on opening
Extra rectangular metal face 2, a length of 42-150mm, wide 12-90mm, thick 0.1-10mm, shape can be standard rectangular, with chamfering
Class rectangle and short side be circular arc class rectangle, thereon with 2-6 circular metal hole 3, a diameter of 1- of metal aperture 3
25mm, the complete phase of the relative placement and plug hole between metal aperture 3 and bottom surface opening 1 and the relative placement around it between screw
Symbol, in order to which rectangular metal cavity is fixed on plug hole with screw, that is, realizes the purpose being sealed in plug hole in cavity.
The material of whole rectangular waveguide is aluminium, iron, copper it is any one or more.
Certainly the metallic cavity of the present invention can also use other shapes, not be restricted here, need to only seal plug hole
In cavity.
Metal aperture 4 on the sensor of the present embodiment can be circular hole, and binding post 5 is inner chamber radius and circular metal hole
The hollow metal cylinder of 4 radius identicals, the outer wall of cylindric binding post 5 are provided with the screw thread of fixing coaxial cable yarn.Metal aperture 4
Apart from the high 3-30mm of bottom surface opening, the radius of metal aperture 4 is 2-20mm, and the cylindric height of binding post 5 is 1-30mm.
The cylindrical structure 6 of cone probe is located on the central axis of cylindric binding post 5, cylindrical structure 6 and circle
The insulating materials filled between the inwall of column binding post 5 can be polyethylene, polytetrafluoroethylene (PTFE) it is any, primarily serve insulation
And supporting role.
The height of the cylindrical structure 6 of cone probe is identical with the cylinder insulating material heights in binding post 5, radius
By formulaIt is determined that wherein b is the radius of metal aperture 4, a is the radius of cylindrical structure 6, εrFor insulating materials
Dielectric constant.The height of conical structure 7 is 1-40mm, bottom surface radius and cone axle center between metallic cavity bottom surface opening 1
Distance it is equal.Cone probe material be aluminium, iron, copper it is any one or more.
Above-mentioned metallic cavity, insulating material body and cone probe will form a class loudspeaker with plug hole and its surrounding metal
Antenna.Wherein rectangular metal cavity, insulating material body and cone probe constitute feed section, plug hole and its surrounding metal structure
Into radiant section.Extra-high frequency electromagnetic waves caused by shelf depreciation will be irradiated part and be received in GIS, propagate in plug hole
It is coupled into electric signal and conducted to signal conditioning circuit by cone probe.Plug hole and its surrounding metal become the one of sensor
Part, it is taken in simulation software and is optimized jointly, then is not present naturally when sensor is attached on plug hole
Surrounding metal deteriorates the problem of sensor performance.
In the sensor of the present embodiment, the needle-like probe of traditional rectangular waveguide has been changed to cone probe, this fractal structure
The bandwidth of operation of sensor can be effectively improved, improves the receptivity of sensor.When can not by adjusting sensor parameters
It is signal conditioning circuit by extra matching network when improving sensor performance, connecing for sensor is further improved from outside
Receive performance.
Wherein, signal conditioning circuit is referring to Fig. 3, including the cone probe, inductance L1 9, the inductance L2 being sequentially connected electrically
11st, signal output wire (being the coaxial cable on the cylindric screw thread of binding post 5), the one end of electric capacity C2 10 is electrically connected to electricity
Feel between L1 9 and inductance L2 11, other end ground connection, the one end of electric capacity C1 8 is electrically connected between inductance L1 9 and cone probe,
The other end is grounded.Signal conditioning circuit is used to improve sensor input impedance, increase and the matching degree of coaxial cable, improves and passes
Sensor output signal strength, capacitance and inductance value are determined by simplifying real frequency method.
In addition, selection carries out design of Simulation using HFSS simulation softwares come the ridge ripple lead antenna provided embodiment.Imitative
In true software, sensor and plug hole and its neighbouring structure are built, and is optimized, its final argument is as follows：Plug hole is transversal
Face is the rectangular configuration that short side is circular arc, long 45mm, wide 20mm, deep 25mm；It is GIS disc insulators inside plug hole, it is thick
Spend for 710mm, the distance of interface to the GIS metal inner cavities of disc insulator and plug hole is 800mm；Used in disc insulator
The dielectric constant of epoxy resin is 4.4；Due to whole GIS can not be brought into emulation, GIS subregions are only intercepted in emulation,
As shown in Figure 4；Due to metallic shield electromagnetic wave, rectangular metal face 2 can omit in simulation process；Rectangular metal cavity is grown
45mm, wide 20mm, high 50mm, cross section are identical with plug hole shape of cross section；The height 18mm of cone probe cone 7, radius
5mm；The radius 2.1mm of metal aperture 4；The insulation filled between the cylindrical structure 6 and the inwall of cylindric binding post 5 of centrum probe
Material is polytetrafluoroethylene (PTFE), dielectric constant 2.2；It is 0.6mm, height 5mm that can calculate the radius of cylinder 6 by formula.
Finally, curve maps of its return loss S11 in 1-2GHz is exported, as shown in Figure 5.
In simulation software, obtain sensor and be arranged on input impedance parameter final when on plug hole, use
Simplify real frequency method, the average value maximum using transducer power gain TPG is as design object, wherein TPG expression formulaWherein E21For the positive transmission coefficient of matching network, E22For matching network
Output reflection coefficient, L11For the input reflection coefficient of antenna.E can be obtained by the optimization to TPG average values22's
Belevitch forms, matching network is finally built with Cauer synthesis method.
Addition matching network is sensor return loss plot figure after signal conditioning circuit as shown in fig. 6, matching network
In each component parameters be respectively：Shunt capacitance 8 is 2.6771pF, and series inductance 9 is 8.7109nH, and shunt capacitance 10 is
1.8105pF series inductance 7.4023nH.The TPG average values of sensor are promoted to 0.6112 by 0.4865, it means that by
Energy loss caused by mismatch is down to 38.88% by 51.35%, and working frequency range is extended to 1.83- by 1.83-1.92GHz
2GHz, expand 88.88%.
Claims (9)
1. a kind of GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth, it is characterised in that are visited including cone
Pin and the metallic cavity for being fixed on sealed cast hole on disc insulator, the cone probe include cylindrical structure (6) and with
The conical structure (7) of the cylindrical structure (6) connection, the metal covering of metallic cavity be provided with an insertion to inside cavity and
The metal aperture (4) of plug hole long side is directed at, the hollow binding post (5) that both ends are not closed is fixedly connected with the metal aperture (4),
The cylindrical structure (6) of cone probe is located in binding post (5), is filled out between cylindrical structure (6) and binding post (5) inwall
Insulating materials is filled, the conical structure (7) of the cone probe is located in metallic cavity.
2. GIS disc insulators according to claim 1 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, bottom surface radius and cone (7) axle center of the cone (7) of the cone probe connect to metallic cavity and disc insulator
Distance between contacting surface is equal.
3. GIS disc insulators according to claim 1 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, the metal aperture (4) is circular hole, and the binding post (5) is inner chamber radius and circular metal hole (4) radius identical gold
Belong to cylinder.
4. GIS disc insulators according to claim 3 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, the cylindrical structure (6) of the cone probe is located on the central axis of the cylindric binding post (5).
5. GIS disc insulators according to claim 3 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, the outer wall of the cylindric binding post (5) is provided with the screw thread of fixing coaxial cable yarn.
6. GIS disc insulators according to claim 1 pour mouth external partial discharge monitoring extra-high video sensor, its feature
Be, the insulating materials be polyethylene, polytetrafluoroethylene (PTFE) it is any.
7. GIS disc insulators according to claim 1 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, the cone probe is made up of at least one of aluminium, iron, copper material.
8. GIS disc insulators according to claim 1 pour mouth external partial discharge monitoring extra-high video sensor, its feature
It is, the metallic cavity is rectangle or the class rectangle with chamfering, or short side is the class rectangle of circular arc.
9. the GIS disc insulators according to claim 1 to 8 any claim pour the external partial discharge of mouth and monitored with extra-high
Video sensor, it is characterised in that also include being used for the signal conditioning circuit for improving sensor performance, the signal conditioning circuit bag
The cone probe being sequentially connected electrically, inductance L1 (9), inductance L2 (11) are included, electric capacity C2 (10) one end is electrically connected to inductance L1
(9) between inductance L2 (11), other end ground connection, electric capacity C1 (8) one end is electrically connected between inductance L1 (9) and cone probe,
The other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781976.0A CN107462818B (en) | 2017-09-02 | 2017-09-02 | Ultrahigh frequency sensor for monitoring partial discharge of external pouring port of GIS basin-type insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781976.0A CN107462818B (en) | 2017-09-02 | 2017-09-02 | Ultrahigh frequency sensor for monitoring partial discharge of external pouring port of GIS basin-type insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107462818A true CN107462818A (en) | 2017-12-12 |
| CN107462818B CN107462818B (en) | 2024-02-27 |
Family
ID=60551022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710781976.0A Active CN107462818B (en) | 2017-09-02 | 2017-09-02 | Ultrahigh frequency sensor for monitoring partial discharge of external pouring port of GIS basin-type insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107462818B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318788A (en) * | 2018-02-01 | 2018-07-24 | 清华大学 | A kind of GIS disc insulators local discharge detection device |
| CN109254232A (en) * | 2018-10-19 | 2019-01-22 | 国家电网有限公司 | Wedge-shaped superfrequency partial discharge sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201540349U (en) * | 2009-09-01 | 2010-08-04 | 江苏省电力公司常州供电公司 | Ultra-high frequency signal sensor for partial discharge detection |
| CN202855903U (en) * | 2012-09-29 | 2013-04-03 | 江苏省电力公司电力科学研究院 | Discone antenna used for transformer partial discharge monitoring |
| CN103257305A (en) * | 2012-02-21 | 2013-08-21 | 国家电网公司 | External ultrahigh frequency detecting sensor and detecting method thereof |
| CN103472376A (en) * | 2013-09-11 | 2013-12-25 | 国家电网公司 | Transformer partial discharge ultrahigh frequency locating analyzer and locating analyzing method thereof |
| CN106771931A (en) * | 2017-01-22 | 2017-05-31 | 国网河南省电力公司检修公司 | A kind of extra-high video sensor at GIS metal basin plug holes |
| CN207148273U (en) * | 2017-09-02 | 2018-03-27 | 武汉大学 | GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth |
-
2017
- 2017-09-02 CN CN201710781976.0A patent/CN107462818B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201540349U (en) * | 2009-09-01 | 2010-08-04 | 江苏省电力公司常州供电公司 | Ultra-high frequency signal sensor for partial discharge detection |
| CN103257305A (en) * | 2012-02-21 | 2013-08-21 | 国家电网公司 | External ultrahigh frequency detecting sensor and detecting method thereof |
| CN202855903U (en) * | 2012-09-29 | 2013-04-03 | 江苏省电力公司电力科学研究院 | Discone antenna used for transformer partial discharge monitoring |
| CN103472376A (en) * | 2013-09-11 | 2013-12-25 | 国家电网公司 | Transformer partial discharge ultrahigh frequency locating analyzer and locating analyzing method thereof |
| CN106771931A (en) * | 2017-01-22 | 2017-05-31 | 国网河南省电力公司检修公司 | A kind of extra-high video sensor at GIS metal basin plug holes |
| CN207148273U (en) * | 2017-09-02 | 2018-03-27 | 武汉大学 | GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318788A (en) * | 2018-02-01 | 2018-07-24 | 清华大学 | A kind of GIS disc insulators local discharge detection device |
| CN109254232A (en) * | 2018-10-19 | 2019-01-22 | 国家电网有限公司 | Wedge-shaped superfrequency partial discharge sensor |
| CN109254232B (en) * | 2018-10-19 | 2024-01-09 | 国家电网有限公司 | Wedge-shaped ultrahigh frequency partial discharge sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107462818B (en) | 2024-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110581358B (en) | Hollow arc antenna internally arranged in GIS basin-type insulator and design method thereof | |
| CN101626101A (en) | Cavity medium filter and out-band rejection method | |
| MXPA02007256A (en) | Antenna assembly for subsurface meter pits. | |
| CN107462818A (en) | GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth | |
| CN207148273U (en) | GIS disc insulators pour the extra-high video sensor of the external partial discharge monitoring of mouth | |
| KR100923748B1 (en) | Partial discharge detector of gas-insulated apparatus | |
| CN110658226B (en) | Microwave resonant cavity and electron paramagnetic resonance probe using same | |
| US4635068A (en) | Double-tuned disc loaded monopole | |
| CN211043204U (en) | Microwave resonant cavity and electron paramagnetic resonance probe using same | |
| JP5576483B2 (en) | Gas-insulated high-voltage electrical switch monitoring device by measuring partial discharge, and gas-insulated high-voltage electrical switch using the monitoring device | |
| CN209946302U (en) | Basin-type insulator embedded with partial discharge sensor | |
| US3783419A (en) | Resonator for gyromagnetic-resonance spectrometer | |
| CN101211690B (en) | +/-500kV direct current mutual inductor | |
| CN104916911A (en) | Ridge waveguide antenna | |
| CN202855903U (en) | Discone antenna used for transformer partial discharge monitoring | |
| CN204927505U (en) | Ridge waveguide antenna | |
| CN101527221B (en) | External GIS local discharge ultrahigh frequency monitoring sensor | |
| KR100753638B1 (en) | Cpw-fed post-supported patch antenna using micromachining technology and method thereof | |
| CN109301453B (en) | Plasma antenna impedance matching device | |
| US4355286A (en) | Resonant circuit arrangement | |
| US6653836B2 (en) | Resonance signal detector | |
| CN110676549A (en) | Microstrip line vertical transition structure and microwave device | |
| RU2046470C1 (en) | Antenna | |
| RU226347U1 (en) | SHORTENED SMALL LOCOMOTIVE HECTOMETER WAVE RADIator | |
| CN103840238A (en) | Resonant cavity, filter and electromagnetic wave equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |