CN109116200A - High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device - Google Patents
High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device Download PDFInfo
- Publication number
- CN109116200A CN109116200A CN201811016874.0A CN201811016874A CN109116200A CN 109116200 A CN109116200 A CN 109116200A CN 201811016874 A CN201811016874 A CN 201811016874A CN 109116200 A CN109116200 A CN 109116200A
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- Prior art keywords
- high frequency
- partial discharge
- vhf
- sensing device
- voltage cable
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- 238000009413 insulation Methods 0.000 title abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 89
- 230000006978 adaptation Effects 0.000 claims abstract description 7
- 239000011152 fibreglass Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000037231 joint health Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 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
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a high-voltage cable insulation joint with a built-in very high frequency partial discharge sensing device, which comprises: can be respectively with first protective sheath and the fastening of second protective sheath adaptation even very high frequency office as an organic whole put sensing device, very high frequency office puts sensing device and includes: an insulating ring; the very high frequency partial discharge sensor is arranged in the insulating ring and connected with the insulating ring into a whole, and a binding post of the very high frequency partial discharge sensor is exposed outside the insulating ring; the clamping position can respectively fasten the insulating ring and the binding post on the assembling connection end; and the adapter assembly is arranged on the second protective shell. The high-voltage cable insulation joint with the built-in very high frequency partial discharge sensing device can solve the problem that the internal defects of the high-voltage cable insulation joint cannot be found in time due to the fact that the high-voltage cable insulation joint cannot be detected due to long-distance propagation attenuation of a very high frequency partial discharge signal; the structural arrangement is more compact, and the maintenance, repair and control cost is facilitated.
Description
Technical field
The present invention relates to appliances field more particularly to a kind of high-tension cable of built-in very high frequency(VHF) partial discharge sensing device are exhausted
Edge connector.
Background technique
In the prior art, shelf depreciation parameter is one of the important indicator of high-voltage cable insulating joint health.
When carrying out partial discharge detection using very high frequency(VHF) method, since very high frequency(VHF) Partial discharge signal is weaker, signal propagation attenuation is with distance
Increase and dramatically increases, meanwhile, Partial discharge signal inside high-voltage cable insulating connector issues from inside and reaches exterior space, need to wear
It crosses same net shielded layer and insulating materials, signal strength is weakened；In addition, when high-voltage cable insulating connector is laid in channel,
It is protected using back-up sand plus protective cover plate, therefore, to be detected outside actual cable run high-voltage cable insulating connector small
Very high frequency(VHF) Partial discharge signal is highly difficult.For this purpose, very high frequency(VHF) Partial discharge signal inside high-voltage cable insulating connector how is found earlier, from
And defect is found early, it is one of high-voltage cable insulating connector field problem to be solved.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of high-tension cable of built-in very high frequency(VHF) partial discharge sensing device
Insulating joint, being able to solve very high frequency(VHF) Partial discharge signal long range propagation attenuation causes can't detect, and leads to not find in time high
The problem of voltage cable insulating joint internal flaw；Structure arrangement is more compact, is conducive to maintenance, maintenance and control cost.
In order to solve the above-mentioned technical problem, the embodiment provides a kind of built-in very high frequency(VHF) partial discharge sensing devices
High-voltage cable insulating connector, comprising: the first protective shell；It is removably adapted to the second protective shell being connected on the first protective shell,
The chamber that there is current supply cable to pass through for the inside of first protective shell and the second protection shell phase assembly；It can be socketed in chamber interior respectively
The end of the first protective case and the second protective case on cable, the first protective case and the second protective case is respectively equipped with assembly connection
End；The very high frequency(VHF) partial discharge sensing device that fastening is linked together can be adapted to the first protective case and the second protective case respectively, it is very high
Frequency partial discharge sensing device includes: dead ring；It is placed in the very high frequency(VHF) partial discharge sensor being linked together inside dead ring with dead ring, very
The binding post of high frequency partial discharge sensor is emerging in the outside of dead ring；And dead ring can be fastened on respectively together with binding post
Clamping position on assembly connection end；The adapter component being installed on the second protective shell, in which: pass through assembly connection end and clamping
Very high frequency(VHF) partial discharge sensing device, the first protective case and the second protective case are linked together by the adaptation connection of position, and binding post is connected
It is external to carry out signal on adapter component.
Wherein, assembly connection end is several through holes, and clamping position is several screw holes；Open up the through hole at assembly connection end with
The quantity and position for opening up the screw hole of clamping position correspond.
Wherein, further includes: coaxial cable connecting line, coaxial cable connecting line include: wire body, be located at wire body one end to
The connecting ear that is connected on binding post and the SMA connector for being located at the wire body other end.
Wherein, rubber pad is assembled between the first protective shell and the second protective shell.
Wherein, the inside and chamber that the first protective case, the second protective case and very high frequency(VHF) partial discharge sensing device are linked together
Prefabricated straight-through part device is additionally provided between internal cable.
Wherein, the first protective shell and the second protective shell are respectively glass reinforced plastic protection
Implement the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device of the invention, have it is following the utility model has the advantages that
The first, very high frequency(VHF) partial discharge sensing device is adapted to fastening with the first protective case, the second protective case and is linked together, by very high frequency(VHF) office
The inside that sensing device is built in high-voltage cable insulating connector is put, solving very high frequency(VHF) Partial discharge signal long range propagation attenuation causes to examine
It does not detect, leads to not the problem of finding high-voltage cable insulating internal defect of joint in time；It can find small office early
Defect is put, and carry out defect elimination early, high voltage insulation joint is effectively avoided to cause failure because of the expansion of partial discharge defect, is high
The strong technical guarantee of safe and reliable operation of voltage cable route.
The second, structure design is more simplified, and arrangement is more compact, is conducive to maintenance, maintenance and control cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the blasting arrangement of the high-voltage cable insulating connector of very high frequency(VHF) partial discharge sensing device built in the embodiment of the present invention shows
It is intended to.
Fig. 2 is that very high frequency(VHF) of embodiment of the present invention partial discharge sensing device is adapted to fastening company with the first protective case, the second protective case
The structural schematic diagram being integrated.
Fig. 3 is the blasting arrangement schematic diagram of very high frequency(VHF) of embodiment of the present invention partial discharge sensing device.
Fig. 4 is the assembling structure schematic diagram of very high frequency(VHF) of embodiment of the present invention partial discharge sensing device.
Fig. 5 is the structural schematic diagram of adapter component of embodiment of the present invention rigging position.
Fig. 6 is the structural schematic diagram at the first visual angle of adapter component of the embodiment of the present invention.
Fig. 7 is the structural schematic diagram at the second visual angle of adapter component of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of coaxial cable of embodiment of the present invention connecting line.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It as Figure 1-Figure 8, is the implementation of the high-voltage cable insulating connector of very high frequency(VHF) partial discharge sensing device built in the present invention
Example one.
As shown in Figs. 1-2, the high-voltage cable insulating connector of the built-in very high frequency(VHF) partial discharge sensing device in the present embodiment, can
The very high frequency(VHF) partial discharge sensing device being arranged in inside high-voltage cable insulating connector is connected to external inspection very high frequency(VHF) partial discharge detection
Instrument realizes the very high frequency(VHF) partial discharge detection of high-voltage cable insulating connector high sensitivity, can be applied to 110kV and above
High-tension cable straight coupling.
High-voltage cable insulating connector in the present embodiment includes: the first protective shell 11；Dismountable adaptation is connected to first
There is current supply cable A to wear for the inside that the second protective shell 12 on protective shell 11, the first protective shell 11 and the second protective shell 12 mutually assemble
The chamber T crossed；The first protective case 13 and the second protective case 14 that can be socketed in respectively on chamber T inside cable A, the first protection
End on set 13 and the second protective case 14 is respectively equipped with assembly connection end 132,142.Can respectively with the first protective case 13 and
The very high frequency(VHF) partial discharge sensing device 2 that the adaptation fastening of second protective case 14 is linked together, very high frequency(VHF) partial discharge sensing device 2 are located at high pressure
The inside of cable insulated joint.
Very high frequency(VHF) partial discharge sensing device 2 includes: dead ring 21；It is placed in what 21 inside of dead ring was linked together with dead ring 21
The binding post 221 of very high frequency(VHF) partial discharge sensor 22, very high frequency(VHF) partial discharge sensor 22 is emerging in the outside of dead ring 21；It can will be exhausted
Edge ring 21 is fixedly secured to the clamping position 24 on assembly connection end 132,142 together with binding post 221 respectively.
The adapter component 3 being installed on the second protective shell 12, in which: pass through assembly connection end 132,142 and clamping position
Very high frequency(VHF) partial discharge sensing device 2, the first protective case 13 and the second protective case 14 are linked together by 24 adaptation connection, by binding post
221 are connected on adapter component 3, external to carry out signal.
When it is implemented, the first protective shell 11 and the second protective shell 12 are two half-shell structures, respectively there is certain degree of hardness
Glass steel material protective shell, good protective value can be played.First protective shell 11 and 12 pairs of the second protective shell tippings
It is in the form of a column after matching, inside forms chamber T, passes through to current supply cable A.
Cable A includes cable body A1 and the prefabricated straight-through part device that is fastened on outside cable body A1 in the present embodiment
A2.Prefabricated straight-through part device A2 in the present embodiment includes: conductor connecting tube, shielding case, semi-conductive tape, copper shield net, pyrocondensation
The structures such as set, copper binding wire, scolding tin.It is to be understood that very high frequency(VHF) partial discharge sensing device 2, the first protective case 13 and second are protected
Sheath 14 is socketed in the outside of prefabricated straight-through part device A2 after being linked together.
Further, rubber pad 15 is set when the first protective shell 11 and the second protective shell 12 assemble, so to guarantee sealing
Insulation performance.In preferred embodiment, it can also be arranged in the first protective shell 11 with the end that the second protective shell 12 mutually assembles
Water-proof seal adhesive tape.
First protective case 13 and the second protective case 14 are copper pipe sleeve, and the structure and size of two components are roughly the same, assemble cloth
It sets substantially symmetric.First protective case 13 and the second protective case 14 can distinguish assembly connection very high frequency(VHF) partial discharge sensing device 2.
As shown in Figure 3-4, very high frequency(VHF) partial discharge sensing device 2 is assemblied in the inside of high-voltage cable insulating connector, very high frequency(VHF) office
Putting sensing device 2 includes: dead ring 21；It is placed in the very high frequency(VHF) partial discharge sensor that 21 inside of dead ring is linked together with dead ring 21
22, the binding post 221 of very high frequency(VHF) partial discharge sensor 22 is emerging in the outside of dead ring 21；It can be by dead ring 21 together with binding post
221 are fastened on the clamping position 24 on assembly connection end 132,142 respectively.
When it is implemented, dead ring 21 is cyclic structure, it is made of epoxide resin material.Very high frequency(VHF) partial discharge sensor 22 wraps
Two semicircular rings structural member 22a, 22b are included, are made of copper material, binding post 221 is respectively provided at two semicircular ring structural members
The end of 22a, 22b.Very high frequency(VHF) partial discharge sensor 22 is integrally formed with dead ring 21 and non-dismountable, high frequency partial discharge sensor 22
Binding post 221 be emerging in the outside of dead ring 21.
Assembly connection end 132,142 is several through holes in the present embodiment, and clamping position 24 is several screw holes, assembly connection end
132,142 through hole and the screw hole quantity of clamping position 24 and position correspond, and so in order to quick assembling, realization is torn open
Dress.
When specific assembly, a certain number of connectors, such as bolt K are each passed through assembly connection end 132,142 and one by one
In the corresponding screw hole for being fastened on clamping position 24, very high frequency(VHF) partial discharge sensing device 2, the first protective case 13 and the second protective case are realized
14 assembly.
Further, as shown in Figure 5-Figure 7, it is additionally provided with adapter component 3 on the second protective shell 12, adapter component 3
Effect is: the very high frequency(VHF) partial discharge sensing device of high-voltage cable insulating connector is connected to external inspection very high frequency(VHF) partial discharge detection instrument,
Realize high-voltage cable insulating connector very high frequency(VHF) partial discharge detection.
When it is implemented, adapter component 3 includes: the guard ring being installed on a protective shell of high-voltage cable insulating connector
31 and the protective shell 12 that is located at guard ring 31 inside on adapter 32, in which: adapter 32 is with can be assemblied in protective shell
First connector 321 of the internal very high frequency(VHF) partial discharge sensing device 2 to connect high-voltage cable insulating connector and it is located at protection
Outside shell to connect the second connector of external inspection very high frequency(VHF) partial discharge detection instrument 322.
The effect of guard ring 31 is: preventing from being damaged in transport and installation process, two side positions of guard ring 31 are equipped with
Line outlet groove 311 is convenient for cabling.In other embodiment, packaging plastic can also be perfused in guard ring 31 and be packaged protection.
Adapter 32 in the present embodiment is N/SMA-KKF type adapter, and the first connector 321 is can be with coaxial electrical
The SMA connector (mother) of the adaptation connection of cable connecting line 4, the second connector 322 are the connectivity port N/SMA-KKF.
When it is implemented, adapter 32 can be fastened on the second protective shell 12 by the way of screw-threaded coupling, meanwhile, the
It is socketed with O-ring seal 323 on the adapter 32 of one connector, 321 side, sealed insulation is enhanced with this.
Further, the connection of the very high frequency(VHF) partial discharge sensing device 2 inside high-voltage cable insulating connector and adapter 32 can
To be implemented by coaxial cable connecting line 4.
As shown in figure 8, coaxial cable connecting line 4 includes: wire body 41 in the present embodiment, be located at 41 one end of wire body to
The connecting ear 42 that is connected on binding post 221 and the SMA connector 43 for being located at 41 other end of wire body.Connecting ear 42 and binding post
221 connection can be by the way of screw locking, and SMA connector 43 is to be adapted with the SMA connector (mother) of adapter 32
SMA connector (public affairs), 50 Ω of impedance.
The high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device of the invention in the specific implementation, passes through replacement
Component simultaneously assembles, and the function of built-in very high frequency(VHF) partial discharge sensor may be implemented.Such as: according to above-mentioned assembly method, replacement is had
Second protective shell 12 of adapter component 3 carries out being adapted to installation with the first protective shell 11.Connector, such as bolt K are used first
It is each passed through assembly connection end 132,142 and is fastened in the screw hole of clamping position 24 correspondingly, realize that very high frequency(VHF) partial discharge passes
The assembly of induction device 2, the first protective case 13 and the second protective case 14 assembles very high frequency(VHF) partial discharge sensing device 2 in high-tension cable
The inside of insulating joint.Then, using coaxial cable connecting line 4 by the first of very high frequency(VHF) partial discharge sensing device 2 and adapter 32
Connector 321 connects, and realizes that signal is external.Finally, external inspection very high frequency(VHF) partial discharge detection instrument is connect with the second of adapter 32
First 322 connection, realizes the very high frequency(VHF) partial discharge detection of high-voltage cable insulating connector high sensitivity.
Implement the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device of the invention, there is following beneficial effect
Fruit:
The first, very high frequency(VHF) partial discharge sensing device is adapted to fastening with the first protective case, the second protective case and is linked together, by very high frequency(VHF) office
The inside that sensing device is built in high-voltage cable insulating connector is put, solving very high frequency(VHF) Partial discharge signal long range propagation attenuation causes to examine
It does not detect, leads to not the problem of finding high-voltage cable insulating internal defect of joint in time；It can find small office early
Defect is put, and carry out defect elimination early, high voltage insulation joint is effectively avoided to cause failure because of the expansion of partial discharge defect, is high
The strong technical guarantee of safe and reliable operation of voltage cable route.
The second, structure design is more simplified, and arrangement is more compact, is conducive to maintenance, maintenance and control cost.
Claims (6)
1. a kind of high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device characterized by comprising
First protective shell；
It is removably adapted to the second protective shell being connected on first protective shell, first protective shell and described second protect
The chamber that there is current supply cable to pass through for the inside that protective case mutually assembles；
The first protective case and the second protective case that can be socketed in respectively on the chamber interior cable, first protective case and
The end of second protective case is respectively equipped with assembly connection end；
The very high frequency(VHF) partial discharge sensing that fastening is linked together can be adapted to first protective case and second protective case respectively
Device, the very high frequency(VHF) partial discharge sensing device includes: dead ring；It is placed in inside the dead ring and is linked together with the dead ring
Very high frequency(VHF) partial discharge sensor, the binding post of the very high frequency(VHF) partial discharge sensor is emerging in the outside of the dead ring；And energy
Enough clamping positions being fastened on the dead ring respectively together with the binding post on the assembly connection end；
The adapter component being installed on second protective shell, in which: pass through the assembly connection end and the clamping position
The very high frequency(VHF) partial discharge sensing device, first protective case and second protective case are linked together by adaptation connection, by institute
Binding post is stated to be connected on the adapter component, it is external to carry out signal.
2. the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device as described in claim 1, which is characterized in that institute
Stating assembly connection end is several through holes, and the clamping position is several screw holes；
The through hole and the quantity for the screw hole for opening up the clamping position and position for opening up the assembly connection end correspond.
3. the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device as claimed in claim 2, which is characterized in that also
Include: coaxial cable connecting line, the coaxial cable connecting line includes: wire body, be located at described wire body one end to be connected to
Connecting ear on the binding post and the SMA connector for being located at the wire body other end.
4. the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device as claimed in claim 2, which is characterized in that institute
It states and assembles rubber pad between the first protective shell and second protective shell.
5. the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device as claimed in claim 2, which is characterized in that institute
State the inside and the chamber that the first protective case, second protective case and the very high frequency(VHF) partial discharge sensing device are linked together
Prefabricated straight-through part device is additionally provided between internal cable.
6. the high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device as claimed in claim 2, which is characterized in that institute
Stating the first protective shell and second protective shell is respectively glass reinforced plastic protective shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016874.0A CN109116200B (en) | 2018-09-03 | 2018-09-03 | High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016874.0A CN109116200B (en) | 2018-09-03 | 2018-09-03 | High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109116200A true CN109116200A (en) | 2019-01-01 |
| CN109116200B CN109116200B (en) | 2024-03-19 |
Family
ID=64860386
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811016874.0A Active CN109116200B (en) | 2018-09-03 | 2018-09-03 | High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device |
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| CN (1) | CN109116200B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707653A (en) * | 2019-09-30 | 2020-01-17 | 南方电网科学研究院有限责任公司 | High-voltage cable insulation joint with built-in capacitive electrode |
| CN110940895A (en) * | 2019-12-17 | 2020-03-31 | 四川赛康智能科技股份有限公司 | Cable joint explosion-proof fire-extinguishing and temperature, partial discharge comprehensive on-line monitoring device |
| CN112462204A (en) * | 2020-10-19 | 2021-03-09 | 深圳供电局有限公司 | Cable middle head partial discharge detection device and online monitoring system |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213393Y (en) * | 1994-12-29 | 1995-11-22 | 沈玉英 | Terminal box for electric cable |
| CN101545923A (en) * | 2009-03-25 | 2009-09-30 | 北京兴迪仪器有限责任公司 | Built-in local discharge sensor |
| US20120181082A1 (en) * | 2009-09-14 | 2012-07-19 | Faulkner Roger W | Underground modular high-voltage direct current electric power transmission system |
| US20120268290A1 (en) * | 2010-11-11 | 2012-10-25 | Zhejiang Tuwei Electricity Technology Co, Ltd. | Technology and device for precisely measuring temperature of cable joint on the basis of radio frequency technique |
| CN202978201U (en) * | 2012-04-24 | 2013-06-05 | 天津市电力公司 | Intelligent high-voltage cable joint of built-in partial discharge sensor |
| CN105044565A (en) * | 2015-08-31 | 2015-11-11 | 国网青海省电力公司西宁供电公司 | Capacitor type ring network cable partial discharge sensor |
| CN204855025U (en) * | 2015-07-16 | 2015-12-09 | 河北省电力勘测设计研究院 | Be used for cable intermediate head temperature field measuring temperature measurement testing system |
| US20160123135A1 (en) * | 2014-11-03 | 2016-05-05 | Delaware Capital Formation, Inc. | Downhole distributed sensor arrays for measuring at least one of pressure and temperature, downhole distributed sensor arrays including at least one weld joint, and methods of forming sensor arrays for downhole use including welding |
| CN205752843U (en) * | 2016-06-07 | 2016-11-30 | 四川华西九方电缆有限公司 | A kind of cable adapter easy to use |
| CN106353579A (en) * | 2016-08-30 | 2017-01-25 | 浙江图维科技股份有限公司 | Device and method for integrated monitoring of cable current, conductor temperature and internal partial discharge |
| CN106353654A (en) * | 2016-11-03 | 2017-01-25 | 云南电网有限责任公司普洱供电局 | High-frequency electromagnetic coupling sensor used for cable partial discharge detection |
| CN106950477A (en) * | 2017-04-07 | 2017-07-14 | 浙江新图维电子科技有限公司 | A kind of built-in very high frequency(VHF) partial discharge detection device and method |
| US20170291847A1 (en) * | 2014-12-22 | 2017-10-12 | Schott Ag | Lead-through or connecting element with improved thermal loading capability |
| CN209044008U (en) * | 2018-09-03 | 2019-06-28 | 深圳供电局有限公司 | High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device |
-
2018
- 2018-09-03 CN CN201811016874.0A patent/CN109116200B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213393Y (en) * | 1994-12-29 | 1995-11-22 | 沈玉英 | Terminal box for electric cable |
| CN101545923A (en) * | 2009-03-25 | 2009-09-30 | 北京兴迪仪器有限责任公司 | Built-in local discharge sensor |
| US20120181082A1 (en) * | 2009-09-14 | 2012-07-19 | Faulkner Roger W | Underground modular high-voltage direct current electric power transmission system |
| US20120268290A1 (en) * | 2010-11-11 | 2012-10-25 | Zhejiang Tuwei Electricity Technology Co, Ltd. | Technology and device for precisely measuring temperature of cable joint on the basis of radio frequency technique |
| CN202978201U (en) * | 2012-04-24 | 2013-06-05 | 天津市电力公司 | Intelligent high-voltage cable joint of built-in partial discharge sensor |
| US20160123135A1 (en) * | 2014-11-03 | 2016-05-05 | Delaware Capital Formation, Inc. | Downhole distributed sensor arrays for measuring at least one of pressure and temperature, downhole distributed sensor arrays including at least one weld joint, and methods of forming sensor arrays for downhole use including welding |
| US20170291847A1 (en) * | 2014-12-22 | 2017-10-12 | Schott Ag | Lead-through or connecting element with improved thermal loading capability |
| CN204855025U (en) * | 2015-07-16 | 2015-12-09 | 河北省电力勘测设计研究院 | Be used for cable intermediate head temperature field measuring temperature measurement testing system |
| CN105044565A (en) * | 2015-08-31 | 2015-11-11 | 国网青海省电力公司西宁供电公司 | Capacitor type ring network cable partial discharge sensor |
| CN205752843U (en) * | 2016-06-07 | 2016-11-30 | 四川华西九方电缆有限公司 | A kind of cable adapter easy to use |
| CN106353579A (en) * | 2016-08-30 | 2017-01-25 | 浙江图维科技股份有限公司 | Device and method for integrated monitoring of cable current, conductor temperature and internal partial discharge |
| CN106353654A (en) * | 2016-11-03 | 2017-01-25 | 云南电网有限责任公司普洱供电局 | High-frequency electromagnetic coupling sensor used for cable partial discharge detection |
| CN106950477A (en) * | 2017-04-07 | 2017-07-14 | 浙江新图维电子科技有限公司 | A kind of built-in very high frequency(VHF) partial discharge detection device and method |
| CN209044008U (en) * | 2018-09-03 | 2019-06-28 | 深圳供电局有限公司 | High-voltage cable insulation joint with built-in very high frequency partial discharge sensing device |
Non-Patent Citations (3)
| Title |
|---|
| CHEN MIN ER AL.: "Investigation of partial discharge measuring method via coaxial bonding wire for direct-buried power cable", TRANSACTIONS OF THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN, vol. 121, no. 1, pages 95 - 101 * |
| 陈腾彪 等: "一起 110kV 整体预制式电缆中间绝缘 接头故障分析及应对", 电力与能源, no. 11, pages 438 * |
| 陈腾彪 等: "模拟局部放电信号注入法在电缆带电 测试中的应用", 广东电力, vol. 26, no. 4, pages 77 - 86 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707653A (en) * | 2019-09-30 | 2020-01-17 | 南方电网科学研究院有限责任公司 | High-voltage cable insulation joint with built-in capacitive electrode |
| CN110940895A (en) * | 2019-12-17 | 2020-03-31 | 四川赛康智能科技股份有限公司 | Cable joint explosion-proof fire-extinguishing and temperature, partial discharge comprehensive on-line monitoring device |
| CN112462204A (en) * | 2020-10-19 | 2021-03-09 | 深圳供电局有限公司 | Cable middle head partial discharge detection device and online monitoring system |
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