CN107240447A - A kind of smooth aluminium sheath EHV XLPE power cable - Google Patents
A kind of smooth aluminium sheath EHV XLPE power cable Download PDFInfo
- Publication number
- CN107240447A CN107240447A CN201710591773.5A CN201710591773A CN107240447A CN 107240447 A CN107240447 A CN 107240447A CN 201710591773 A CN201710591773 A CN 201710591773A CN 107240447 A CN107240447 A CN 107240447A
- Authority
- CN
- China
- Prior art keywords
- cable
- sheath
- externally provided
- smooth
- power cable
- 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.)
- Pending
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- 239000004411 aluminium Substances 0.000 title claims abstract description 23
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 12
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000004049 embossing Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/205—Metal tubes, e.g. lead sheaths composed of aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of smooth aluminium sheath EHV XLPE power cable, including conductor, three-layer co-extruded internal shield, insulating barrier and insulation screen outside conductor；Semi-conductive buffer water-blocking band is externally provided with insulation screen, smooth aluminum metal set is externally provided with semi-conductive buffer water-blocking band, in the outer coating anti-corrosion asphalt layer of smooth aluminum metal set, nonmetallic sheath is externally provided with anti-corrosion asphalt layer, equadag coating is externally provided with nonmetallic sheath.The present invention is effectively reduced the outside diameter of cable and reduction spillage of material, the construction of cable is compact, the light-weighted design of high-tension cable is realized, while also increasing electric cable transporting amount from cable bearing capacity, saving material, guarantee cable operation security standpoint.
Description
Technical field
The invention belongs to electric wire field, and in particular to a kind of smooth aluminium sheath EHV XLPE power cable.
Background technology
With continuing to develop for society, urbanization process is constantly accelerated, and power load is increasing, power supply and transmission system
Security requirement also more and more higher.Vigorously implemented beautified according to the city appearance of the city simultaneously the need for national urban network restructuring, it is right
Super-pressure, heavy in section, long length power cable requirement it is increasing, so as to which overhead line is entered to realize urban.
Current social development trend is that environmental protection and rationally utilizing for energy-efficient society, the especially energy are more paid attention to, for
Voltage levels demand is more and more, and cable sabot amount is resulted in greatly as the increase in section also progressively becomes along with the outside diameter of cable
It is just few and also restrained by the segment length that is limited its cable is transported, therefore change original corrugated aluminum sheath construction of cable and make
Its external diameter diminishes more than sabot quantitative change while ensureing that cable segment length lengthens as far as possible, while also can have original embossing structure
Easily roll bad cable external shielding layer and embossing is easily caused the shortcoming that aluminium shield splits and avoided.Due to wrinkle for electric property angle
There is crest and trough in line aluminium sheath, thus can have space in semi-conductive buffer interlayer, will also result in cushion with
The bad formation electric discharge of electrical contact causes aluminium sheath erosion wound or even punctured between protective metal shell.
The content of the invention
The purpose of the present invention is that provides a kind of smooth aluminium sheath EHV XLPE power cable to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of smooth aluminium sheath EHV XLPE power cable of the present invention, including conductor, the three-layer co-extruded internal shield, absolutely outside conductor
Edge layer and insulation screen；Semi-conductive buffer water-blocking band is externally provided with insulation screen, in semi-conductive buffer water-blocking band peripheral hardware
There is smooth aluminum metal set, in the outer coating anti-corrosion asphalt layer of smooth aluminum metal set, nonmetallic sheath is externally provided with anti-corrosion asphalt layer,
Nonmetallic sheath is externally provided with equadag coating.
Further improve, described conductor uses aluminium alloy conductor.
Further improve, the internal shield uses copper strips.
Further improve, the insulating barrier uses polyethylene layer.
Further improve, the insulation screen uses MP metallized paper or semiconducting paper band.
Further improve, the non metallic sheath is used to carry out ensureing that flat aluminium set will not be pressed simultaneously with smooth aluminium sheath process
It is flat.
The beneficial effects of the present invention are：
1st, present invention improves over metal sheath structure, vertical bag welding embossing structure generally is changed to the smooth aluminium without embossing
Sheath, semi-conductive buffer layer is completely attached to smooth aluminium set makes Electric Field Distribution more uniform, it is to avoid in the production of insulation shielding surface
Raw shelf depreciation.Cause metal sheath inner surface out-of-flatness because corrugated metal sheath surface has ripple and eats face and trough, in ripple
Jag part, which has internal clearance, makes cushion outer surface fully to be contacted with corrugated metal sheath inner surface, and thus thickness exists
Electrical contact is bad to cause potential difference generation suspended discharge to discharge and Damage to insulation initiation failure protective metal shell.And be changed to put down
Some such problems are avoided after sliding aluminium sheath.
2nd, the construction of cable is compacter, realizes high-tension cable light-weight design.
3rd, it is integrally formed with insulation, strengthens anti-side face impact capacity and lateral pressure resistant ability.
4th, the production environmental pollution of this product is also reduced compared with common corrugated aluminum sheath production, without embossing just
Being not required to addition lubricant accordingly just reduces the pollution of environment, while also eliminating embossing process, saves human and material resources.
5th, the research and development of this product, can be effective from cable bearing capacity, saving material, guarantee cable operation security standpoint
The outside diameter of cable and reduction spillage of material are reduced, the construction of cable is compact, the light-weighted design of high-tension cable is realized, while also increasing
Electric cable transporting amount.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of smooth aluminium sheath EHV XLPE power cable, including conductor 1, the three-layer co-extruded internal shield outside conductor
2nd, insulating barrier 3 and insulation screen 4；Semi-conductive buffer water-blocking band 5 is externally provided with insulation screen, is blocked water in semi-conductive buffer
Band is externally provided with smooth aluminum metal set 6, and in the outer coating anti-corrosion asphalt layer 7 of smooth aluminum metal set, non-gold is externally provided with anti-corrosion asphalt layer
Belong to sheath 8, equadag coating 9 is externally provided with nonmetallic sheath.
Present invention improves over metal sheath structure, vertical bag welding embossing structure generally is changed to without the smooth of embossing
Aluminium sheath, semi-conductive buffer layer is completely attached to smooth aluminium set makes Electric Field Distribution more uniform, it is to avoid on insulation shielding surface
Produce shelf depreciation.Cause metal sheath inner surface out-of-flatness because corrugated metal sheath surface has ripple and eats face and trough,
There is internal clearance at the top of crest makes cushion outer surface fully to be contacted with corrugated metal sheath inner surface, thus thick
Electrical contact it is bad can cause potential difference produce suspended discharge to protective metal shell discharge and Damage to insulation trigger failure.And be changed to
Some such problems are avoided after smooth aluminium sheath.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its Xiao Wu circle
It is fixed.
Claims (5)
1. a kind of smooth aluminium sheath EHV XLPE power cable, it is characterised in that：Including conductor, the three-layer co-extruded inner shield outside conductor
Layer, insulating barrier and insulation screen；Semi-conductive buffer water-blocking band is externally provided with insulation screen, in semi-conductive buffer water-blocking band
Smooth aluminum metal set is externally provided with, in the outer coating anti-corrosion asphalt layer of smooth aluminum metal set, nonmetallic shield is externally provided with anti-corrosion asphalt layer
Layer, equadag coating is externally provided with nonmetallic sheath.
2. smooth aluminium sheath EHV XLPE power cable according to claim 1, it is characterised in that：Described conductor uses aluminium
Alloy conductor.
3. smooth aluminium sheath EHV XLPE power cable according to claim 1, it is characterised in that：The internal shield is used
Copper strips.
4. smooth aluminium sheath EHV XLPE power cable according to claim 1, it is characterised in that：The insulating barrier is using poly-
Ethene insulating barrier.
5. smooth aluminium sheath EHV XLPE power cable according to claim 1, it is characterised in that：The insulation screen is adopted
With MP metallized paper or semiconducting paper band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591773.5A CN107240447A (en) | 2017-07-19 | 2017-07-19 | A kind of smooth aluminium sheath EHV XLPE power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591773.5A CN107240447A (en) | 2017-07-19 | 2017-07-19 | A kind of smooth aluminium sheath EHV XLPE power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107240447A true CN107240447A (en) | 2017-10-10 |
Family
ID=59991655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710591773.5A Pending CN107240447A (en) | 2017-07-19 | 2017-07-19 | A kind of smooth aluminium sheath EHV XLPE power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240447A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010282A (en) * | 2019-05-23 | 2019-07-12 | 中天科技海缆有限公司 | A kind of cable |
| CN112017817A (en) * | 2020-09-01 | 2020-12-01 | 重庆泰山电缆有限公司 | High-voltage power cable with smooth flat sheath structure and manufacturing method thereof |
| CN113066612A (en) * | 2021-02-07 | 2021-07-02 | 浙江晨光电缆股份有限公司 | Medium-voltage smooth aluminum-sheathed armored power cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428792A (en) * | 2001-12-26 | 2003-07-09 | 山东鲁能泰山电缆股份有限公司 | 500KV ultra-high voltage cross-linking cable and its production process |
| KR20040101156A (en) * | 2004-11-10 | 2004-12-02 | 윤상운 | Structure of cable having hose whithin |
| CN201788740U (en) * | 2010-07-23 | 2011-04-06 | 浙江万马电缆股份有限公司 | Novel smooth-type aluminum-sheathed cable |
| CN206921514U (en) * | 2017-07-19 | 2018-01-23 | 无锡市曙光电缆有限公司 | A kind of smooth aluminium sheath EHV XLPE power cable |
-
2017
- 2017-07-19 CN CN201710591773.5A patent/CN107240447A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428792A (en) * | 2001-12-26 | 2003-07-09 | 山东鲁能泰山电缆股份有限公司 | 500KV ultra-high voltage cross-linking cable and its production process |
| KR20040101156A (en) * | 2004-11-10 | 2004-12-02 | 윤상운 | Structure of cable having hose whithin |
| CN201788740U (en) * | 2010-07-23 | 2011-04-06 | 浙江万马电缆股份有限公司 | Novel smooth-type aluminum-sheathed cable |
| CN206921514U (en) * | 2017-07-19 | 2018-01-23 | 无锡市曙光电缆有限公司 | A kind of smooth aluminium sheath EHV XLPE power cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010282A (en) * | 2019-05-23 | 2019-07-12 | 中天科技海缆有限公司 | A kind of cable |
| CN112017817A (en) * | 2020-09-01 | 2020-12-01 | 重庆泰山电缆有限公司 | High-voltage power cable with smooth flat sheath structure and manufacturing method thereof |
| CN113066612A (en) * | 2021-02-07 | 2021-07-02 | 浙江晨光电缆股份有限公司 | Medium-voltage smooth aluminum-sheathed armored power cable |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |