CN106841958A - High-tension cable shelf depreciation dry testing terminal and installation method and stress cone - Google Patents
High-tension cable shelf depreciation dry testing terminal and installation method and stress cone Download PDFInfo
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- CN106841958A CN106841958A CN201710216169.4A CN201710216169A CN106841958A CN 106841958 A CN106841958 A CN 106841958A CN 201710216169 A CN201710216169 A CN 201710216169A CN 106841958 A CN106841958 A CN 106841958A
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 74
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 239000003822 epoxy resin Substances 0.000 claims description 21
- 229920000647 polyepoxide Polymers 0.000 claims description 21
- 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 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 11
- 238000005498 polishing Methods 0.000 claims description 9
- 230000003137 locomotive effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000002271 resection Methods 0.000 claims description 6
- 229910018503 SF6 Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000005611 electricity Effects 0.000 description 3
- 238000002242 deionisation method Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses high-tension cable shelf depreciation dry testing terminal and installation method and stress cone, including high-tension insulating bushing, high-voltage terminal and high pressure connecting rod, it is characterised in that：It is additionally provided with proximal seal insulation gas tank, distal seal insulation gas tank, two metallic shield sets, two stress cones, two phosphor-copper joints and two cable conductor phosphor-copper connection-pegs, high-tension insulating bushing is sealedly and fixedly connected with proximal seal insulation gas tank, a metallic shield set is all fixed with the chamber of proximal seal insulation gas tank and distal seal insulation gas tank, the inner end of metallic shield set is fixed with phosphor-copper joint, stress cone is provided with the chamber of metallic shield set, the cable conductor phosphor-copper connection-peg being connected with phosphor-copper joint is provided between stress cone and phosphor-copper joint, the two ends of test cable are arranged a stress cone respectively.Simple structure of the present invention, easy to install, small volume, it is mobile flexible, improve cable testing efficiency.
Description
Technical field
The present invention relates to a kind of improvement of the test terminal of 110kV high-tension cables Partial Discharge Detection, specifically
A kind of high-tension cable shelf depreciation dry testing terminal and installation method and stress cone, it is adaptable to which 110kV high-tension cables are locally put
Electro-detection.
Background technology
64/110kV high-voltage crosslinking insulated cables are successively from inside to outside cable conductor, inner shield semi-conductive layer, it is poly- to be crosslinked
Ethene insulating barrier, external shield semi-conductive layer, metal screen layer, restrictive coating, before this high-tension cable dispatches from the factory, it is necessary to enter horizontal high voltage office
Portion's discharge examination.Current test method is at present：When partial discharge test is carried out, first need high-tension cable two ends respectively
Restrictive coating and external shield semi-conductive layer peel off 1.5 meters, and special water lane terminal is immersed in, at special deionized water
Reason equipment removes the conductive ion in pure water, to ensure that the end of cable, will not be because of no external shield when high pressure is applied
The uniform electric field of semi-conductive layer and produce electric discharge.Traditional water terminal is made up of support and inside and outside deionization insulation water pipe, support
Place on the ground, deionization insulation water pipe is fixed on the upper end of support, during experiment, cable end is inserted insulation from the bottom up
In water pipe, deionized water is injected after sealing, it is disadvantageous in that：Volume is big, inconvenient operation, sealing easily occurs bad
（Such as there is drainage）, pollute environment；And the length of end exploitation is very long, cause to waste；And water terminal and supporting water
Cost is also high in itself for treatment, makes complicated, and power consumption is big.
The content of the invention
It is mobile flexible it is an object of the invention to provide a kind of simple structure, easy to install, small volume, it is low in energy consumption
The high-tension cable shelf depreciation dry testing terminal suitable for 110kV high-tension cable Partial Discharge Detections.
In order to reach object above, the technical solution adopted in the present invention is：
The high-tension cable shelf depreciation dry testing terminal, including high-tension insulating bushing, high-voltage terminal and high pressure connecting rod are high
The upper end of connecting rod is pressed to be connected with testing high voltage power supply by high-voltage terminal, the upper port sealing of high-tension insulating bushing, high pressure
Connecting rod is located in high-pressure insulating ring tube chamber, it is characterised in that：It is additionally provided with proximal seal insulation gas tank, distal seal insulation gas
Tank, two metallic shield sets, two stress cones, two phosphor-copper joints and two cable conductor phosphor-copper connection-pegs, proximal seal are exhausted
Sulfur hexafluoride gas, the lower port and proximal seal of high-tension insulating bushing are all filled in edge gas tank and distal seal insulation gas tank chamber
The upper shed of insulation gas tank is sealedly and fixedly connected, and all fixations set in the chamber of proximal seal insulation gas tank and distal seal insulation gas tank
Have a metallic shield set, the side opening of proximal seal insulation gas tank and distal seal insulation gas tank respectively with corresponding metal
The outer end oral area of housing is tightly connected, and the inner end of metallic shield set is fixed with phosphor-copper joint, in the chamber of metallic shield set
Stress cone is provided with, the cable conductor phosphor-copper connection-peg being connected with phosphor-copper joint is provided between stress cone and phosphor-copper joint, cable is led
Body phosphor-copper connection-peg is located in metallic shield mantle cavity, and the two ends of test cable are arranged a stress cone, the electricity of test cable respectively
Cable conductor stretches out stress cone and inserts in cable conductor phosphor-copper connection-peg, phosphor-copper joint and height in proximal seal insulation gas tank chamber
The lower end of connecting rod is pressed to be fixedly connected.
Be designed with the side wall of described proximal seal insulation gas tank and distal seal insulation gas tank air gauge, air bleeding valve and
Intake valve.
Described proximal seal insulation gas tank and distal seal insulation gas tank is all separately fixed at the locomotive of respective adaptation
Cross bar on.
Described locomotive, including vehicle frame, road wheel, cross bar and push handle, bottom of frame are provided with road wheel, and push handle is fixed on
One end of vehicle frame, two cross bars of horizontally set on vehicle frame.
One end of described vehicle frame is fixed with bearing block, and screw is provided with the middle part of cross bar, and the both sides of vehicle frame are fixed respectively
It is provided with guide rail, cross bar is respectively arranged at two ends with pulley, and pulley is located on corresponding guide rail and slides, one end of screw mandrel passes through bearing
It is fixedly connected with crank after seat, the other end of screw mandrel sequentially passes through the screw in the middle part of two cross bars.
A kind of cable connector installation method of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is by following
Step is completed：
（1）, excision test cable two ends restrictive coating and metal screen layer, resection length is apart from 0.5 meter of termination；
（2）, excision inner shield semi-conductive layer, crosslinked polyetylene insulated layer and external shield semi-conductive layer, expose cable conductor, cut off
Length is that i.e. cable conductor exposes 2 centimetres apart from 2 centimetres of termination；
（3）, excision external shield semi-conductive layer, expose crosslinked polyetylene insulated layer, resection length is apart from 25 centimetres of termination；
（4）, the crosslinked polyetylene insulated layer that exposes of polishing and external shield semi-conductive layer surface, after polishing smooth, in polishing
Surface fills silicone grease；
（5）, silicone grease are smeared to the inner chambers of two stress cones；
（6）, two stress cones are respectively sleeved at the two ends of test cable, surveying the external shield semiconductive fitting sleeve of stress cone
Try cable external shield semi-conductive layer on, epoxy resins insulation fitting sleeve on crosslinked polyetylene insulated layer, the electricity of test cable
Cable conductor exposes stress cone, the cable connector installation of such high-tension cable Partial Discharge Detection experiment.
A kind of stress cone of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is connect by epoxy resins insulation
Head and external shield semiconductive joint grafting are fixed integrally, epoxy resins insulation joint and external shield semiconductive joint it is interior
Chamber diameter is identical and center line overlaps, and epoxy resins insulation joint and external shield semiconductive joint are all in frustum, external shield
The big one end of the big one end insertion epoxy resin insulating joint diameter of semiconductive bond diameter, epoxy resins insulation joint is by epoxy
Resin material is made, and external shield semiconductive joint is made up of the constituent material of the external shield semi-conductive layer of test cable.
The beneficial effects of the present invention are：Compared with traditional high-tension cable Partial Discharge Detection water terminal, the present invention is only
0.5 meter need to respectively be exploited to the two ends of high-tension cable, so often disk cable can save 2 meters of test cable length, by 110kV
Cable medium format 1600mm2Calculate, often disk cable can save 800 yuan of experimentation cost, the daily disk of average test 5 electricity of factory
Cable, calculated for 1 year by 300 days, can save experimentation cost：800*5*300=120000 units.Simple structure, easy to install, body
Product is small, mobile flexible, greatly improves cable testing efficiency；The exploitation length of cable end is shorter, has saved experimentation cost.
Brief description of the drawings
Fig. 1 is structure partial schematic cross-sectional view of the invention.
Fig. 2 is the structure section view enlarged diagram of metallic shield set of the invention.
Fig. 3 is the structure section view enlarged diagram of stress cone of the invention.
In figure：1st, proximal seal insulation gas tank；2nd, distal seal insulation gas tank；3rd, high-tension insulating bushing；4th, high-voltage connection
End；5th, high pressure connecting rod；6th, stress cone；61st, crosslinked polyetylene insulated joint；62nd, external shield semiconductive joint；7th, metallic shield
Set；8th, phosphor-copper joint；9th, locomotive；91st, vehicle frame；92nd, road wheel；93rd, cross bar；94th, guide rail；95th, pulley；96th, screw mandrel；97、
Push handle；98th, crank；99th, bearing block；10th, cable conductor phosphor-copper connection-peg；11st, air gauge；12nd, air bleeding valve；13rd, intake valve；
14th, test cable.
Specific embodiment
Reference picture 1, Fig. 2, Fig. 3 makes the present invention.The high-tension cable shelf depreciation dry testing terminal, including High-Voltage Insulation
Sleeve pipe 3, high-voltage terminal 4 and high pressure connecting rod 5, the upper end of high pressure connecting rod 5 is by high-voltage terminal 4 and testing high voltage power supply
Connection, the upper port sealing of high-tension insulating bushing 3, high pressure connecting rod 5 is located in the chamber of high-tension insulating bushing 3, it is characterised in that：Also
It is provided with proximal seal insulation gas tank 1, distal seal insulation 2, two metallic shield set 7, two stress cones, 6, two phosphor-coppers of gas tank
All contained in joint 8 and two cable conductor phosphor-copper connection-pegs 10, proximal seal insulation gas tank 1 and distal seal insulation gas tank 2 chamber
Lower port and the upper shed of proximal seal insulation gas tank 1 for having sulfur hexafluoride gas, high-tension insulating bushing 3 are sealedly and fixedly connected,
A metallic shield set 7, proximal seal are all fixed with the chamber of proximal seal insulation gas tank 1 and distal seal insulation gas tank 2
Outer end oral area sealing of the side opening of insulation gas tank 1 and distal seal insulation gas tank 2 respectively with corresponding metallic shield set 7 connects
Connect, the inner end of metallic shield set 7 is fixed with phosphor-copper joint 8, and stress cone 6, stress cone 6 are provided with the chamber of metallic shield set 7
The cable conductor phosphor-copper connection-peg 10 being connected with phosphor-copper joint 8, cable conductor phosphor-copper connection-peg 10 are provided between phosphor-copper joint 8
Covered in 7 chambers positioned at metallic shield, the two ends of test cable 14 are arranged a stress cone 6, the cable conductor of test cable 14 respectively
Stretch out stress cone 6 and insert in cable conductor phosphor-copper connection-peg 10, phosphor-copper joint 8 and height in proximal seal insulation gas tank 1 chamber
The lower end of connecting rod 5 is pressed to be fixedly connected.
Air gauge 11, exhaust are designed with described proximal seal insulation gas tank 1 and the side wall of distal seal insulation gas tank 2
Valve 12 and intake valve 13, to be conducive to rushing for sulfur hexafluoride gas to put, and observe air pressure in time.
Described proximal seal insulation gas tank 1 and distal seal insulation gas tank 2 is all separately fixed at the movement of respective adaptation
On the cross bar 93 of car 9.
Described locomotive 9, including vehicle frame 91, road wheel 92, cross bar 93 and push handle 97, the bottom of vehicle frame 91 is provided with road wheel
92, push handle 97 is fixed on one end of vehicle frame 91, two cross bars 93 of horizontally set on vehicle frame 91.
One end of described vehicle frame 91 is fixed with bearing block 99, and the middle part of cross bar 93 is provided with screw, the both sides of vehicle frame 91
It is fixed with guide rail 94 respectively, cross bar 93 is respectively arranged at two ends with pulley 95, and pulley 95 is located on corresponding guide rail 94 and slides,
Through being fixedly connected with crank 98 after bearing block 99, the other end of screw mandrel 96 is sequentially passed through in two cross bars 93 for one end of screw mandrel 96
The screw in portion, promotes push handle 97 that locomotive 9 can be moved to the side of the test cable 14 for needing test, and rotating crank 98 can be with
The fine setting of position is carried out to proximal seal insulation gas tank 1 or distal seal insulation gas tank 2, to be conducive to the carrying out of experiment.
A kind of cable connector installation method of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is by following
Step is completed：
（1）, excision test cable 14 two ends restrictive coating and metal screen layer, resection length is apart from 0.5 meter of termination；
（2）, excision inner shield semi-conductive layer, crosslinked polyetylene insulated layer and external shield semi-conductive layer, expose cable conductor, cut off
Length is that i.e. cable conductor exposes 2 centimetres apart from 2 centimetres of termination；
（3）, excision external shield semi-conductive layer, expose crosslinked polyetylene insulated layer, resection length is apart from 25 centimetres of termination；
（4）, the crosslinked polyetylene insulated layer that exposes of polishing and external shield semi-conductive layer surface, after polishing smooth, in polishing
Surface fills silicone grease；
（5）, silicone grease are smeared to the inner chambers of two stress cones 6；
（6）, two stress cones 6 are respectively sleeved at the two ends of test cable 14, make the external shield semiconductive joint 62 of stress cone 6
It is enclosed within the external shield semi-conductive layer of test cable 14, epoxy resins insulation joint 61 is enclosed within crosslinked polyetylene insulated layer, surveys
The cable conductor for trying cable 14 exposes stress cone 6, and the cable connector of such high-tension cable Partial Discharge Detection experiment is installed
Into.
A kind of stress cone of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is connect by epoxy resins insulation
First 61 and the grafting of external shield semiconductive joint 62 be fixed integrally, epoxy resins insulation joint 61 and external shield semiconductive connect
First 62 intracavity diameter is identical and center line overlaps, and epoxy resins insulation joint 61 and external shield semiconductive joint 62 are all in cone
Mesa-shaped, the big one end of big one end insertion epoxy resin 61 diameters of insulating joint of external shield semiconductive 62 diameters of joint, asphalt mixtures modified by epoxy resin
Fat insulating joint 61 is made up of epoxide resin material, external shield semiconductive joint 62 by test cable 14 external shield semi-conductive layer
Constituent material be made.
During using the present invention, in 110kV（Contain）During above ultra-high voltage cross-linking insulated cable local discharge test, near-end
SF6 gases are filled in sealed insulation gas tank 1 and distal seal insulation gas tank 2, the distal end of test cable 14 is installed into stress cone 6
Afterwards, in the metallic shield set 7 of insertion distal seal insulation gas tank 2, and test cable and distal seal are insulated with fastening screw
Gas tank 2 is fixed together, and such distal seal insulation gas tank 2 is secured to the distal portion of test cable 14；Again by test cable
After 14 near-end installs stress cone 6, in the metallic shield set 7 of insertion proximal seal insulation gas tank 1, make the front end of test cable 14
Cable conductor insert in corresponding cable conductor phosphor-copper connection-peg 10, so as to be connected with high pressure connecting rod 5, and with fastening spiral shell
Be fixed together for test cable 14 and proximal seal insulation gas tank 1 by bar, and so, proximal seal insulation gas tank 1 is secured to survey
The near-end of cable 14 is tried, local discharge test is finally can be carried out；So, where is cable, high-tension cable shelf depreciation
Dry testing terminal just install where, extremely convenient during local discharge test, cable testing efficiency is greatly improved, the stripping of cable end
Cut length also significantly brief, save experimentation cost.
Claims (7)
1. high-tension cable shelf depreciation dry testing terminal, including high-tension insulating bushing（3）, high-voltage terminal（4）Connect with high pressure
Extension bar（5）, high pressure connecting rod（5）Upper end pass through high-voltage terminal（4）It is connected with testing high voltage power supply, high-tension insulating bushing
（3）Upper port sealing, high pressure connecting rod（5）It is located at high-tension insulating bushing（3）In chamber, it is characterised in that：It is additionally provided with near-end close
Envelope insulation gas tank（1）, distal seal insulation gas tank（2）, two metallic shield sets（7）, two stress cones（6）, two phosphor-coppers connect
Head（8）With two cable conductor phosphor-copper connection-pegs（10）, proximal seal insulation gas tank（1）With distal seal insulation gas tank（2）Chamber
Inside all fill sulfur hexafluoride gas, high-tension insulating bushing（3）Lower port and proximal seal insulate gas tank（1）Upper shed sealing
It is fixedly connected, proximal seal insulation gas tank（1）With distal seal insulation gas tank（2）Chamber in be all fixed with a metallic shield
Set（7）, proximal seal insulation gas tank（1）With distal seal insulation gas tank（2）Side opening respectively with corresponding metallic shield
Set（7）Outer end oral area be tightly connected, metallic shield set（7）Inner end be fixed with phosphor-copper joint（8）, metallic shield set
（7）Chamber in be provided with stress cone（6）, stress cone（6）With phosphor-copper joint（8）Between be provided with and phosphor-copper joint（8）The cable of connection
Conductor phosphor-copper connection-peg（10）, cable conductor phosphor-copper connection-peg（10）Positioned at metallic shield set（7）In chamber, test cable（14）'s
Two ends are arranged a stress cone respectively（6）, test cable（14）Cable conductor stretch out stress cone（6）And insert cable conductor phosphorus
Copper connection-peg（10）It is interior, proximal seal insulation gas tank（1）Phosphor-copper joint in chamber（8）With high pressure connecting rod（5）Lower end consolidate
Fixed connection.
2. high-tension cable shelf depreciation dry testing terminal according to claim 1, it is characterised in that：Described near-end is close
Envelope insulation gas tank（1）With distal seal insulation gas tank（2）Side wall on be designed with air gauge（11）, air bleeding valve（12）And intake valve
（13）.
3. high-tension cable shelf depreciation dry testing terminal according to claim 1, it is characterised in that：Described near-end is close
Envelope insulation gas tank（1）With distal seal insulation gas tank（2）All it is separately fixed at the locomotive of respective adaptation（9）Cross bar（93）
On.
4. high-tension cable shelf depreciation dry testing terminal according to claim 3, it is characterised in that：Described locomotive
（9）, including vehicle frame（91）, road wheel（92）, cross bar（93）And push handle（97）, vehicle frame（91）Bottom is provided with road wheel（92）, push away
Handle（97）It is fixed on vehicle frame（91）One end, in vehicle frame（91）Two cross bars of upper horizontally set（93）.
5. high-tension cable shelf depreciation dry testing terminal according to claim 4, it is characterised in that：Described vehicle frame
（91）One end be fixed with bearing block（99）, cross bar（93）Middle part be provided with screw, vehicle frame（91）Both sides respectively fixation set
There is guide rail（94）, cross bar（93）Be respectively arranged at two ends with pulley（95）, pulley（95）It is located at corresponding guide rail（94）Upper slip,
Screw mandrel（96）One end pass through bearing block（99）Afterwards with crank（98）It is fixedly connected, screw mandrel（96）The other end sequentially pass through two
Cross bar（93）The screw at middle part.
6. a kind of cable connector installation method of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is by following step
It is rapid to complete：
（One）, excision test cable（14）The restrictive coating and metal screen layer at two ends, resection length are apart from 0.5 meter of termination；
（Two）, excision inner shield semi-conductive layer, crosslinked polyetylene insulated layer and external shield semi-conductive layer, expose cable conductor, cut
Except length is that i.e. cable conductor exposes 2 centimetres apart from 2 centimetres of termination；
（Three）, excision external shield semi-conductive layer, expose crosslinked polyetylene insulated layer, resection length is apart from 25 centimetres of termination；
（Four）, the crosslinked polyetylene insulated layer that exposes of polishing and external shield semi-conductive layer surface, after polishing smooth, in polishing
Surface fills silicone grease；
（Five）, to two stress cones（6）Inner chamber smear silicone grease；
（Six）, by two stress cones（6）It is respectively sleeved at test cable（14）Two ends, make stress cone（6）External shield partly lead
Electric connection（62）It is enclosed within test cable（14）External shield semi-conductive layer on, epoxy resins insulation joint（61）It is enclosed within the poly- second of crosslinking
On alkene insulating barrier, test cable（14）Cable conductor expose stress cone（6）, such high-tension cable Partial Discharge Detection experiment use
Cable connector installation.
7. a kind of stress cone of high-tension cable Partial Discharge Detection experiment, it is characterised in that：It is by epoxy resins insulation joint
（61）With external shield semiconductive joint（62）Grafting is fixed integrally, epoxy resins insulation joint（61）Partly led with external shield
Electric connection（62）Intracavity diameter is identical and center line overlaps, epoxy resins insulation joint（61）With external shield semiconductive joint
（62）All it is in frustum, external shield semiconductive joint（62）The big one end insertion epoxy resin insulating joint of diameter（61）Diameter is big
One end, epoxy resins insulation joint（61）It is made up of epoxide resin material, external shield semiconductive joint（62）By test cable
（14）The constituent material of external shield semi-conductive layer be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216169.4A CN106841958A (en) | 2017-04-05 | 2017-04-05 | High-tension cable shelf depreciation dry testing terminal and installation method and stress cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216169.4A CN106841958A (en) | 2017-04-05 | 2017-04-05 | High-tension cable shelf depreciation dry testing terminal and installation method and stress cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106841958A true CN106841958A (en) | 2017-06-13 |
Family
ID=59142888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216169.4A Pending CN106841958A (en) | 2017-04-05 | 2017-04-05 | High-tension cable shelf depreciation dry testing terminal and installation method and stress cone |
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| CN (1) | CN106841958A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541391A (en) * | 2018-10-10 | 2019-03-29 | 山东康威通信技术股份有限公司 | A kind of low-power consumption cable shield on-Line Monitor Device, monitoring system and method |
| CN110007179A (en) * | 2018-10-25 | 2019-07-12 | 童志勇 | A kind of cable intermediate joint electric performance test tooling and method |
| CN114047404A (en) * | 2021-11-06 | 2022-02-15 | 无锡德刚精工机电设备有限公司 | Integrated test tool for high-voltage cable accessory intermediate joint and GIS |
| CN117741203A (en) * | 2024-02-20 | 2024-03-22 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
-
2017
- 2017-04-05 CN CN201710216169.4A patent/CN106841958A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541391A (en) * | 2018-10-10 | 2019-03-29 | 山东康威通信技术股份有限公司 | A kind of low-power consumption cable shield on-Line Monitor Device, monitoring system and method |
| CN110007179A (en) * | 2018-10-25 | 2019-07-12 | 童志勇 | A kind of cable intermediate joint electric performance test tooling and method |
| CN110007179B (en) * | 2018-10-25 | 2021-04-30 | 童志勇 | Cable intermediate joint electrical performance testing tool and method |
| CN114047404A (en) * | 2021-11-06 | 2022-02-15 | 无锡德刚精工机电设备有限公司 | Integrated test tool for high-voltage cable accessory intermediate joint and GIS |
| CN114047404B (en) * | 2021-11-06 | 2023-12-22 | 无锡德刚精工机电设备有限公司 | High-voltage cable accessory intermediate head and GIS's integrated test fixture |
| CN117741203A (en) * | 2024-02-20 | 2024-03-22 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
| CN117741203B (en) * | 2024-02-20 | 2024-05-07 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
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Application publication date: 20170613 |