CN106158129A - ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables - Google Patents
± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables Download PDFInfo
- Publication number
- CN106158129A CN106158129A CN201610744849.9A CN201610744849A CN106158129A CN 106158129 A CN106158129 A CN 106158129A CN 201610744849 A CN201610744849 A CN 201610744849A CN 106158129 A CN106158129 A CN 106158129A
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- Prior art keywords
- conductor
- ladder
- shaped conductor
- layer
- direct current
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
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- 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
- H01B7/0009—Details relating to the conductive cores
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- 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
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- 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
-
- 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
- H01B7/1895—Internal space filling-up means
-
- 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
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- 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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- Communication Cables (AREA)
Abstract
The invention discloses one ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables, including heavy in section ladder-shaped conductor, conductor shield, insulating barrier, insulation screen, fiber unit, metallic strength member, semiconductive water-blocking buffer layer, corrugated aluminum sheath, insulation outer jacket and semi-conductive layer；Described heavy in section ladder-shaped conductor is formed by center core and outer layer trapezoidal copper monofilament layer-stranding, according to different conductor cross section demand, outer layer trapezoidal copper monofilament uses a circular copper single line or uses many circular single lines to press stranded circular core the most stranded outer 16 layers of SZ shape copper monofilament not etc..The present invention uses heavy in section ladder-shaped conductor, and conductor structure is stable, tight, and activity coefficient is not less than 93%, compares round compacted comductor or milliken conductor has less conductor diameter under identical current capacity, cable overall cost is greatly saved and puts into.
Description
Technical field
The present invention relates to a kind of cable, be ± heavy in section ladder-shaped the conductor of 500kV particularly to a kind of electric pressure
Corrugated aluminium sheath form Optical Fiber Composite direct current cables, the invention belongs to technical field of cable.
Background technology
Circuit cost is low, line loss is little, system stability because of it for Technology of HVDC based Voltage Source Converter, active power and reactive power
Control flexibly, reliable, facilitate the advantage such as built by separate periods and compatilizing mechanism to receive significant attention, join in isolated island power transmission, city
The fields such as the capacity-increasing transformation of electrical network, AC system interconnect, large-scale wind power field is grid-connected, and be widely used.
Flexible direct current cable is one of critical equipment of Technology of HVDC based Voltage Source Converter, and it is defeated that flexible DC power transmission avoids exchange
The kelvin effect of electric process and kindred effect, and flexible DC power transmission distance is longer, the continuous production of long length insulated wire cores
Advantageously reducing cables manufacturing cost, the most in most cases flexible direct current cable large size conductor does not the most use segmentation to lead
Bodily form formula.For cross section at 2000mm2Following flexible direct current sea cable conductor, presses circular stranded conductor and can meet its structure
Design and production requirement continuously, and effectively realize the longitudinal water-blocking of conductor, the most existing multinomial engineer applied.But when leading
Body section is more than 2000mm2, the most monofilament radical abilities that be can be done by by current conductor strand equipment are limited, and realize further
Increasing section can only rely on increase filament diameter, has easily caused monofilament gap compared with big and press the drawback that coefficient is less than normal, for rear
Continuous insulating exruded production brings bigger difficulty, and bigger conductor diameter causes the rising of cable holistic cost, therefore needs
The heavy in section water-blocking conductor of new structure to be developed adapts to higher transmission capacity and higher voltage grade flexible DC power transmission needs.
The main range of application of alternating current-direct current high voltage power cable concentrates on field of power transmission, by the construction of cable, manufacturing process and
The impact of capacity of equipment, is different from high-voltage undersea cable, the alternating current-direct current high voltage power cable of application in land ultra-high-tension power transmission line
The rarest Optical Fiber Composite product puts into application at present, is all to use optical cable and the side of electrical cables separate in traditional land transmission line of electricity
Formula completes communications or cable is implemented monitoring, therefore brings product cost, engineering difficulty and monitoring effect
Etc. the drawback of aspect.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that a kind of activity coefficient is higher,
Structure is more excellent, be conducive to long length quantity-produced form of conductors, and achieves fiber optic communication and the function and service of electric power transmission；
Provide a kind of with better function, production cost lower and reliable and practical ± 500kV flexible direct current cable product scheme, meet
The construction of country's DC transmission engineering needs, and is favorably improved the international competitiveness of China's power industry.
Technical scheme: one of the present invention ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite unidirectional current
Cable, including heavy in section ladder-shaped conductor, conductor shield, insulating barrier, insulation screen, fiber unit, metallic strength member, half
Conduction water-blocking buffer layer, corrugated aluminum sheath, insulation outer jacket and semi-conductive layer；
Described heavy in section ladder-shaped conductor is externally provided with conductor shield, is externally provided with insulating barrier at conductor shield, at insulating barrier
It is externally provided with insulation screen, is externally provided with semiconductive water-blocking buffer layer at insulation screen, twist with layer in semiconductive water-blocking buffer layer
Conjunction has fiber unit, is externally provided with corrugated aluminum sheath in semiconductive water-blocking buffer layer, is externally provided with insulation outer jacket at corrugated aluminum sheath,
It is externally provided with semi-conductive layer at insulation outer jacket；
Described heavy in section ladder-shaped conductor is formed by center core and outer layer trapezoidal copper monofilament layer-stranding, leads according to difference
Body section demand, center core uses a circular copper single line or uses many circular single lines to press stranded forming, centrage
The trapezoidal copper monofilament that the outer stranded 1-6 layer of core does not waits, the outside mode in base inside, long, the short base of stranded employing trapezoidal copper single line is entered
OK.
Further, described conductor shield is made up of semiconductive strapping tape and extrusion conductor shielding two parts, extrusion
Conductor shielding part and described insulation screen all use the unidirectional current with ultra-smooth performance, high conduction performance and thermosetting property
The special semiconductive material of cable is made, and described insulating barrier uses direct current cables special ultra-clean thermoset crosslink polyethylene Insulation Material system
Become.
Further, described semiconductive water-blocking buffer layer uses the semi-conductive buffer that thickness the is 2.0mm resistance of at least four layers
Water band is wrapped to be made.
Further, described fiber unit uses the fiber unit of stainless steel structure, needs internal setting not according to transmission
With core number and different types of optical fiber.
Further, described metallic strength member uses the satisfactory metal of the mechanical strength such as stainless steel silk, copper wire to make.
Further, described corrugated aluminum sheath uses aluminum for electric engineering band to be added by longitudinal tubing, argon arc welding welding and embossing
Work forms.
Further, described semi-conductive layer selects semiconductive jacket material and insulation outer jacket disposable by double-deck extruder
Co-extrusion completes to produce, or uses coated with graphite outside insulation outer jacket.
Beneficial effect: volume of the present invention has the beneficial effect that:
(1) ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables uses heavy in section ladder-shaped conductor, conductor
Stability Analysis of Structures, closely, activity coefficient is not less than 93%, compares round compacted comductor or milliken conductor under identical current capacity
There is less conductor diameter, cable overall cost be greatly saved and put into, this is external insert material water-proof material after all right
Obtain more excellent longitudinal water-blocking performance.
(2) ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables is that optoelectronic integration transmission provides
More efficient and scheme, the communication of implanted or the design of thermometric optical fiber cellular construction the most easily makes the guarantor of communications
Protecting with the temperature monitoring in cable running more effectively, save cable lays the construction cost with engineering simultaneously.
(3) ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables meets the great Rong of nowadays power grid construction
Amount transmission needs, and has filled up China's like product blank in this electric pressure, has significantly improved the technology of China's electrical circuitry equipment
Level and international competitiveness.
Accompanying drawing explanation
Fig. 1 is the construction of cable schematic diagram of the present invention.
Detailed description of the invention
One as shown in Figure 1 ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables, cuts including big
Face ladder-shaped conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, fiber unit 5, metallic strength member 6, semiconductive
Water-blocking buffer layer 7, corrugated aluminum sheath 8, insulation outer jacket 9 and semi-conductive layer 10；
Described heavy in section ladder-shaped conductor 1 is externally provided with conductor shield 2, is externally provided with insulating barrier 3 at conductor shield 2, absolutely
Edge layer 3 is externally provided with insulation screen 4, is externally provided with semiconductive water-blocking buffer layer 7 at insulation screen 4, blocks water buffering at semiconductive
Layer 7 is provided with fiber unit 5, and every fiber unit both sides are each provided with a metallic strength member 6, block water at semiconductive slow
Rush layer 7 and be externally provided with corrugated aluminum sheath 8, be externally provided with insulation outer jacket 9 at corrugated aluminum sheath 8, be externally provided with at insulation outer jacket 9 and partly lead
Electric layer 10.
Described heavy in section ladder-shaped conductor 1 is formed by center core and outer layer trapezoidal copper monofilament layer-stranding, according to
Different conductor cross section demand, can be set at a circular copper single line or uses many circular single lines to press stranded circle
The trapezoidal copper monofilament that the outer stranded 1-6 layer of shape core does not waits, the side that base inside, long, the short base of stranded employing trapezoidal copper single line is outside
Formula is carried out, if cable has longitudinal water-blocking requirement to conductor, can add material water-proof material when monofilament is stranded in gap, and block water material
Expect to require to select the differences such as waterstop, water-proofing powder or greasy for preventing water according to different conductor processing technique and block-water performance
Material.
Described conductor shield 2 is made up of semiconductive strapping tape and extrusion conductor shielding two parts.Extrusion conductor shielding
Part and described insulation screen 4 all use the direct current cables with ultra-smooth performance, high conduction performance and thermosetting property special
Semiconductive material is made, and described insulating barrier 3 uses direct current cables special ultra-clean thermoset crosslink polyethylene Insulation Material to make.
Described fiber unit 5 uses the fiber unit of stainless steel structure, according to transmission need internal arrange different core number and
Different types of optical fiber, selects the stainless steel tube of outer layer different size according to fiber number, and rustless steel light unit presses close to insulation screen
Covering layer to place, rustless steel fiber unit radical can adjust according to the actual requirements.
Described metallic strength member 6 uses the satisfactory metal material of the mechanical strength such as stainless steel silk, copper wire, at every light
Fine unit both sides respectively arrange a metallic strength member, and external diameter is to be advisable more than fiber unit 0.5mm；
Described semiconductive water-blocking buffer layer 7 is wrapped by least four layers or semi-conductive buffer water-blocking band that more thickness is 2.0mm
Make.
Described corrugated aluminium sheath 8 uses aluminum for electric engineering band by process processing such as longitudinal tubing, argon arc welding welding and embossing
Becoming, have good radial water-resisting and air-tightness after processing, al zone thickness can be adjusted according to cable conductor specification, with full
The requirement of foot cable transient short circuit current and mechanical and physical performance is as the criterion.
Described insulation outer jacket 9 preferentially uses polyethylene to become to produce by extruding molding mode, uses ring according to cable difference
The requirement in border, it is also possible to select that there is the material modified of the characteristic such as fire-retardant, weather-proof.
Described semi-conductive layer 10 can select semiconductive jacket material with insulation outer jacket by double-deck extruder disposably altogether
Squeeze production, it is possible to use coated with graphite is outside insulation outer jacket.
± 500kV flexible direct current cable has electric pressure height, transmission capacity is big, system design is complicated, use environment evil
Bad changeable, product manufacturing equipment and technological requirement are high, are the technological difficulties generally acknowledged of world's line cable industry and technology commanding elevation.This
The technical scheme of invention have employed one, and activity coefficient is higher, structure is more excellent, be conducive to long length quantity-produced form of conductors,
And achieve fiber optic communication and the function and service of electric power transmission.Provide a kind of with better function, production cost is lower and reliable
Practical ± 500kV flexible direct current cable product scheme, meet the construction needs of country's DC transmission engineering, be favorably improved me
The international competitiveness of state's power industry.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (2)
1. one kind ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables, it is characterised in that: include heavy in section
Ladder-shaped conductor (1), conductor shield (2), insulating barrier (3), insulation screen (4), fiber unit (5), metallic strength member
(6), semiconductive water-blocking buffer layer (7), corrugated aluminum sheath (8), insulation outer jacket (9) and semi-conductive layer (10)；
Described heavy in section ladder-shaped conductor (1) is externally provided with conductor shield (2), is externally provided with insulating barrier at conductor shield (2)
(3), it is externally provided with insulation screen (4) at insulating barrier (3), is externally provided with semiconductive water-blocking buffer layer (7) at insulation screen (4),
Fiber unit (5) and metallic strength member (6) it is provided with, in semiconductive water-blocking buffer layer (7) outward in semiconductive water-blocking buffer layer (7)
It is provided with corrugated aluminum sheath (8), is externally provided with insulation outer jacket (9) at corrugated aluminum sheath (8), be externally provided with half in insulation outer jacket (9)
Conductive layer (10)；
Described heavy in section ladder-shaped conductor (1) is formed, according to not by center core and outer layer trapezoidal copper monofilament layer-stranding
With cross-sectional area of conductor demand, middle wire core can use a circular copper single line or press stranded forming by many circular single lines,
Outside the core of center can stranded 1-6 layer not wait trapezoidal copper monofilament, base inside, long, the short base of stranded employing trapezoidal copper single line is outside
Mode carry out.
One the most according to claim 1 ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables, its
Be characterised by: described semiconductive water-blocking buffer layer (7) use at least four layers the semi-conductive buffer water-blocking band that thickness is 2.0mm around
Pack into, in semiconductive water-blocking buffer layer (7), be provided with fiber unit simultaneously, can realize while cabling power transmits
Communications and temperature measurement on-line, and a metallic strength member is set every fiber unit both sides, protection fiber unit is at electricity
Not by the effect of large lateral pressure power during cable processing, installation and operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744849.9A CN106158129A (en) | 2016-08-29 | 2016-08-29 | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744849.9A CN106158129A (en) | 2016-08-29 | 2016-08-29 | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106158129A true CN106158129A (en) | 2016-11-23 |
Family
ID=57344305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610744849.9A Pending CN106158129A (en) | 2016-08-29 | 2016-08-29 | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106158129A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782775A (en) * | 2016-11-29 | 2017-05-31 | 重庆泰山电缆有限公司 | A kind of direct current submarine cable |
| CN106782799B (en) * | 2016-12-28 | 2018-12-07 | 广州南洋电缆有限公司 | Wrinkle copper sheathing wrinkle steel bushing steel wire armoured ocean cable |
| CN112750565A (en) * | 2020-05-18 | 2021-05-04 | 江苏东强股份有限公司 | Uniform electric field intelligent temperature sensing power supply cable |
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| CN201956112U (en) * | 2011-01-07 | 2011-08-31 | 江苏宏图高科技股份有限公司 | High temperature-resistant optical fiber composite cable |
| US20120170900A1 (en) * | 2011-01-05 | 2012-07-05 | Alcan Products Corporation | Aluminum Alloy Conductor Composite Reinforced for High Voltage Overhead Power Lines |
| CN202473391U (en) * | 2012-03-13 | 2012-10-03 | 重庆泰山电缆有限公司 | Crosslinked polyethylene insulated photoelectric composite direct-current submarine power cable |
| CN203103005U (en) * | 2013-02-04 | 2013-07-31 | 宁波东方电缆股份有限公司 | Direct-current submarine cable structure for flexible power transmission |
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| CN104599744A (en) * | 2015-02-05 | 2015-05-06 | 江苏藤仓亨通光电有限公司 | Optical fiber composite overhead ground wire |
| CN105810357A (en) * | 2016-05-10 | 2016-07-27 | 江苏藤仓亨通光电有限公司 | Damping optical fiber composite overhead ground wire |
| CN105810347A (en) * | 2016-05-10 | 2016-07-27 | 江苏藤仓亨通光电有限公司 | Damping optical fiber composite overhead phase conductor |
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2016
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| CN101950625A (en) * | 2010-09-26 | 2011-01-19 | 杭州电缆有限公司 | Power cable |
| US20120170900A1 (en) * | 2011-01-05 | 2012-07-05 | Alcan Products Corporation | Aluminum Alloy Conductor Composite Reinforced for High Voltage Overhead Power Lines |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782775A (en) * | 2016-11-29 | 2017-05-31 | 重庆泰山电缆有限公司 | A kind of direct current submarine cable |
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| CN106782799B (en) * | 2016-12-28 | 2018-12-07 | 广州南洋电缆有限公司 | Wrinkle copper sheathing wrinkle steel bushing steel wire armoured ocean cable |
| CN112750565A (en) * | 2020-05-18 | 2021-05-04 | 江苏东强股份有限公司 | Uniform electric field intelligent temperature sensing power supply cable |
| CN112750565B (en) * | 2020-05-18 | 2021-09-03 | 江苏东强股份有限公司 | Uniform electric field intelligent temperature sensing power supply cable |
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Application publication date: 20161123 |
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