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WO2018107537A1 - Procédé de conception d'un conducteur de câble sous-marin de grande section basé sur une ligne unique en cuivre de forme spéciale - Google Patents

Procédé de conception d'un conducteur de câble sous-marin de grande section basé sur une ligne unique en cuivre de forme spéciale Download PDF

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Publication number
WO2018107537A1
WO2018107537A1 PCT/CN2016/113290 CN2016113290W WO2018107537A1 WO 2018107537 A1 WO2018107537 A1 WO 2018107537A1 CN 2016113290 W CN2016113290 W CN 2016113290W WO 2018107537 A1 WO2018107537 A1 WO 2018107537A1
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WO
WIPO (PCT)
Prior art keywords
line
conductor
shaped
shaped single
special
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.)
Ceased
Application number
PCT/CN2016/113290
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English (en)
Chinese (zh)
Inventor
梅文杰
张翀
潘文林
陈新
李文鹏
李春梅
高正平
沈小伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Jiangsu Electric Power Co Ltd
Global Energy Interconnection Research Institute Co Ltd
Economic and Technological Research Institute of State Grid Jiangsu Electric Power Co Ltd
Hengtong Submarine Power Cable Co Ltd
Original Assignee
State Grid Jiangsu Electric Power Co Ltd
Global Energy Interconnection Research Institute Co Ltd
Economic and Technological Research Institute of State Grid Jiangsu Electric Power Co Ltd
Hengtong Submarine Power Cable Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Jiangsu Electric Power Co Ltd, Global Energy Interconnection Research Institute Co Ltd, Economic and Technological Research Institute of State Grid Jiangsu Electric Power Co Ltd, Hengtong Submarine Power Cable Co Ltd filed Critical State Grid Jiangsu Electric Power Co Ltd
Priority to DE112016003098.3T priority Critical patent/DE112016003098T5/de
Publication of WO2018107537A1 publication Critical patent/WO2018107537A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00—Details relating to the application field
    • G06F2113/16—Cables, cable trees or wire harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • 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

Definitions

  • the invention belongs to the field of power cables, and particularly relates to a design method of a large-profile copper single-wire large-section sea cable conductor.
  • the direct current transmission has the advantages of small line loss, easy interconnection with the grid, long-distance high-power transmission economy, and the solution of the voltage source converter and PWM technology for shutting down the device, especially the construction of the international energy Internet.
  • the direct current transmission technology has received more and more attention.
  • the research and development of 500kV DC submarine cable requires a conductor section of 3000mm 2 , but GB/T3956-2008 only specifies a nominal cross-sectional area of 0.5mm 2 to 2500mm 2 for 3000mm 2 section.
  • Part of the 3000mm 2 section conductor design patent only considers the copper single-wire section as small as possible to facilitate the production and the stranding process. It does not consider the pitch problem of copper single-wire stranding, resulting in a 3000mm 2 section conductor.
  • the water blocking effect is not ideal, and the measurement of the resistance of the 3000mm 2 section conductor is not yet mature.
  • the technical problem mainly solved by the present invention is to provide a design method for a large-profile copper single-wire large-section sea cable conductor.
  • a design method for a special-shaped copper single-wire large-section sea cable conductor comprising:
  • the specific steps include:
  • k 1 is the conductor coefficient
  • k 2 is the stranding factor
  • ⁇ is the copper conductor resistivity
  • R is the resistance
  • ⁇ is the conductor fill factor and the value of ⁇ is set according to requirements
  • the ratio of W to H of the shaped single wire is controlled to be about 1.5, and the five-shaped circular compacted conductor structure of the shaped single-wire is proposed. a design scheme, wherein W is the width of the shaped single line, and H is the height of the shaped single line;
  • D is the outer diameter of the layer and L is the pitch of the layer
  • step 2) Design of single-shaped single-line: According to step 2), five design schemes of profiled single-line circularly-pressed conductor structure are proposed, and one of the design schemes is selected to obtain the size R 1 of each single-shaped single-line. , R 2 , ⁇ and the number of roots per layer n;
  • the special-shaped single-line circular pressing structure has a larger filling coefficient than the circular single-line circular pressing structure, and the filling coefficient ⁇ ' of each layer can be obtained by the formula (5);
  • R 1 and R 2 are the outer and inner arc radii of the odd-shaped single line, respectively, ⁇ 1 and ⁇ 2 respectively correspond to the arc, n is the number of odd-shaped single-line, r is the chamfer radius of the odd-shaped single line, and the value of r is considered comprehensively. The value that the cable manufacturer can actually produce and the value of the conductor design are determined;
  • the five designs of the profiled single-line circularly-pressed conductor structure in the step 2) include: a. the center line adopts a 5-layer twist with a cross-sectional area of 50 mm 2 circularly pressed conductor. The same type of single-line circular compacted conductor, b. The center line adopts a 5-layer stranded shaped single-line circular compacted conductor with a cross-sectional area of 70 mm 2 circularly pressed conductor, c. The center line adopts a cross-sectional area of 95 mm 2 6-layer stranded profiled single-line circular compacted conductor of pressed conductor, d.
  • centerline adopts 6-layer stranded shaped single-line circular compacted conductor with cross-sectional area of 185mm 2 circular compacted conductor, e. centerline adopts diameter 6-layer stranded profiled single-wire round compacted conductor of 6mm solid copper rod.
  • the center line is selected to be a 6-layer stranded shaped single-line circularly pressed conductor having a 6 mm diameter solid copper rod.
  • the centerline uses a 6-layer stranded profiled single-wire circular compacted conductor having a 6 mm diameter solid copper rod for informal stranding.
  • the invention has the beneficial effects of the invention: a design method of a special-shaped copper single-wire large-section sea cable conductor according to the invention, the design method adopts a special-shaped copper single-wire design sea-shell conductor, and the design value of the conductor compaction coefficient is 0.97, which is greatly affected by the pitch.
  • the water-blocking effect of the conductor is improved, the cross-sectional area of each copper single wire is kept consistent, the skin effect and the proximity effect are reduced, and it is suitable for transmitting alternating current.
  • FIG. 1 is a structural schematic view of a conductor designed by a copper-shaped single-wire large-section cable conductor design method.
  • FIG. 2 is a schematic cross-sectional view of a profiled single wire of a profiled copper single-wire large-section cable conductor design method.
  • FIG. 3 is a schematic diagram of a profiled single-wire structure of a special-shaped copper single-wire large-section sea line conductor design method.
  • an embodiment of the present invention includes: a method for designing a large-profile copper single-wire large-section submarine cable conductor, comprising:
  • the specific steps include:
  • k 1 is the conductor coefficient
  • k 2 is the stranding coefficient
  • ⁇ is the copper conductor resistivity
  • R is the resistance.
  • k 1 is 1.02
  • k 2 is 1.03
  • ⁇ is 1.724 1 ⁇ 10 -8.
  • ⁇ m R is 0.0060 ⁇ /km
  • S is 3018.9 mm 2 .
  • the calculated conductor cross-sectional area S is then taken into equation (2) to calculate the conductor outer diameter D A .
  • ⁇ is the conductor filling factor
  • ⁇ is set according to requirements.
  • ⁇ is 0.97
  • D A ⁇ 62.95 mm is obtained, which is further corrected to 63.0 mm.
  • the ratio of W to H of the shaped single line is controlled to be about 1.5, where W is the width of the shaped single line, and H is the shaped
  • the height of the single wire is such that five designs of the profiled single-line circularly-pressed conductor structure are proposed, as shown in Table 1, including: a.
  • the center line adopts a 5-layer stranded shaped single wire with a cross-sectional area of 50 mm 2 circularly pressed conductor. Round compacted conductor, b.
  • the center line adopts a 5-layer stranded shaped single-line circular compacted conductor with a cross-sectional area of 70 mm 2 circularly pressed conductor, c.
  • the center line adopts a circular compacted conductor with a cross-sectional area of 95 mm 2 6-layer stranded shaped single-line circular compacted conductor, d.
  • center line adopts 6-layer stranded shaped single-line circular compacted conductor with cross-sectional area of 185mm 2 circularly pressed conductor, e. center line adopts 6mm diameter solid copper
  • a 6-layer stranded profiled single-line circular compacted conductor adopts a 5-layer stranded shaped single-line circular compacted conductor with a cross-sectional area of 70 mm 2 circularly pressed conductor, c.
  • the center line adopts a circular compacted conductor with a cross-sectional area of 95 mm 2 6-layer stranded shaped single-line circular compact
  • D is the outer diameter of the layer
  • L is the pitch of the layer
  • the pitch is the distance of the copper single wire around the conductor.
  • step 2) design of single-shaped single-line: According to step 2), five design schemes of special-shaped single-line circular compacted conductor structure are proposed, and one of the design schemes is selected after comparison.
  • Scheme a and scheme b adopt the 91 frame of cable manufacturer's conventional configuration. The winch (the maximum number of stranded layers is 5 layers) can be produced, but the width of the innermost profiled single line is too large (close to 2), and it is easy to turn over when twisted, which is not conducive to production, and the maximum cross-sectional area of the shaped single line 36.48mm 2 or 35.28mm 2 , the requirements for copper rods and wire drawing machines are too high, and the production difficulty is too great.
  • the cross-sectional area of the shaped single line in the scheme b is slightly smaller, and the production and processing are difficult. Small, but according to the company's many test results, the water-blocking effect of the scheme a water-blocking conductor is better. Therefore, when using the 91-frame stranding machine, the scheme a is a better choice than the scheme b.
  • Scheme c, scheme d and scheme e need to adopt 127 frame stranding machine (the maximum number of stranded layers is 6 layers) to produce, the cross-sectional area of the shaped single line is obviously reduced, the aspect ratio is more reasonable, the production difficulty, the twisting difficulty and The efficiency is greatly improved.
  • the ratio of the profiled single line width is similar in scheme c and scheme d.
  • the maximum cross-sectional area of the different shaped single wires is 31.14mm 2 and 29.64mm 2 . According to the results of many trials of the company, the resistance of the two The water-blocking effect of the water conductor is similar. Therefore, compared with the scheme c, the scheme d is superior because the cross-sectional area of the shaped single line is slightly smaller and the production processing is less difficult.
  • the center line adopts the scheme of circularly pressing the conductor structure, which needs to be twisted twice.
  • the production efficiency is too low, and the water blocking effect of the center line itself is required to be good
  • the scheme e The center line adopts a 6mm diameter solid copper rod made by 8mm solid copper rod through wire drawing annealing. It has better water blocking effect, high production efficiency and low production cost, so the advantages are obvious.
  • Scheme d and scheme e The profiled single-line aspect ratio and the maximum cross-sectional area are similar, and even the latter's profiled single-line maximum cross-sectional area is smaller.
  • the center line adopts a 6-layer stranded shaped single-line circle with a 6 mm diameter solid copper rod.
  • the shaped compacted conductors are irregularly stranded to obtain the dimensions R 1 , R 2 , ⁇ of each single shaped single wire and the number n of each layer;
  • the special-shaped single-line circular pressing structure has a larger filling coefficient than the circular single-line circular pressing structure, and the filling coefficient ⁇ ' of each layer can be obtained by the formula (5).
  • R 1 and R 2 are the outer and inner arc radii of the odd-shaped single line, respectively, ⁇ 1 and ⁇ 2 respectively correspond to the arc, n is the number of odd-shaped single-line, r is the chamfer radius of the odd-shaped single line, and the value of r is considered comprehensively.
  • the value that the cable manufacturer can actually produce and the design value of the conductor design are determined.
  • the present invention relates to a method for designing a special-shaped copper single-wire large-section sea cable conductor.
  • the design method adopts a special-shaped copper single-wire design sea cable conductor, and the design value of the conductor compaction coefficient is 0.97, combined with the pitch.
  • the influence greatly improves the water blocking effect of the conductor.
  • the cross-sectional area of each copper single wire is consistent, which reduces the skin effect and the proximity effect, and is suitable for transmitting alternating current.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Non-Insulated Conductors (AREA)
  • Wire Processing (AREA)

Abstract

L'invention concerne un procédé de conception d'un conducteur de câble sous-marin de grande section basé sur une ligne unique en cuivre de forme spéciale. Le procédé comprend les étapes spécifiques suivantes : 1) le calcul d'un diamètre externe ; 2) la sélection d'une structure ; 3) le calcul d'un angle d'inclinaison de chaque ligne unique de forme spéciale ; 4) la conception de chaque ligne unique de forme spéciale ; 5) la correction d'un angle central correspondant à une ligne d'extension sur deux côtés de la ligne unique de forme spéciale ; 6) le calcul d'un coefficient de remplissage de la ligne unique de forme spéciale ; 7) la détermination des tailles des valeurs de η et η' ; et 8) l'obtention d'un schéma de conception final. Selon le procédé de conception, des lignes simples en cuivre de forme spéciale sont utilisées pour concevoir un conducteur de câble sous-marin ; la valeur de conception de coefficient de compression du conducteur est de 0,97 ; en combinaison avec l'influence de pas sur l'agencement des lignes uniques de forme spéciale, l'effet de blocage de l'eau du conducteur est amélioré et la superficie de section de chaque ligne unique en cuivre est maintenue constante autant que possible, de telle sorte que l'effet de peau et l'effet de proximité sont réduits, et le conducteur convient pour une transmission de courant alternatif.
PCT/CN2016/113290 2016-12-12 2016-12-29 Procédé de conception d'un conducteur de câble sous-marin de grande section basé sur une ligne unique en cuivre de forme spéciale Ceased WO2018107537A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112016003098.3T DE112016003098T5 (de) 2016-12-12 2016-12-29 Konstruktionsverfahren eines Seekabelleiters mit großem Schnitt aus profiliertem Kupfereinzeldraht

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611139519 2016-12-12
CN201611139519.3 2016-12-12

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WO2018107537A1 true WO2018107537A1 (fr) 2018-06-21

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CN (1) CN106874590B (fr)
DE (1) DE112016003098T5 (fr)
WO (1) WO2018107537A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112614624A (zh) * 2020-12-02 2021-04-06 白银有色长通电线电缆有限责任公司 一种非紧压异型绞合高导电率铜导体的生产方法
CN112668126A (zh) * 2021-01-12 2021-04-16 河南乐山电缆有限公司 一种非紧压圆形绞合导体单丝线径的设计方法
CN118211288A (zh) * 2024-05-22 2024-06-18 四川蓝电电缆科技有限公司 给定电阻条件下精确选取绞合紧压前导体单线直径的方法

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN109273142B (zh) * 2018-08-27 2019-11-05 江苏亨通高压海缆有限公司 一种采用圆形单丝圆形紧压结构的海缆导体的设计方法
CN110084000B (zh) * 2019-06-11 2021-03-23 圣安电缆有限公司 型线同心绞合导体结构的设计方法
CN110797136B (zh) * 2019-11-20 2021-08-03 江苏亨通高压海缆有限公司 一种高压直流海缆z型密封电缆导体的设计方法
CN111753342B (zh) * 2020-07-06 2023-12-29 中天科技海缆股份有限公司 一种型线阻水导体设计方法

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US20130264093A1 (en) * 2011-01-24 2013-10-10 La Farga Lacambra, S.A.U. Electrical Conductor for Transporting Electrical Energy and Corresponding Production Method
CN104064256A (zh) * 2014-07-16 2014-09-24 武汉纵缆通模具有限公司 异型线绞合电缆导体及其生产方法
CN105590702A (zh) * 2014-10-23 2016-05-18 陕西同力电气有限公司 一种异形导体模具的设计方法
CN105810301A (zh) * 2016-05-13 2016-07-27 江苏亨通高压电缆有限公司 一种大截面海底直流电缆异型导体

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GB395620A (en) 1933-01-23 1933-07-20 Thomas Pickens Salley Improvements relating to safety razors

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US20130264093A1 (en) * 2011-01-24 2013-10-10 La Farga Lacambra, S.A.U. Electrical Conductor for Transporting Electrical Energy and Corresponding Production Method
CN104064256A (zh) * 2014-07-16 2014-09-24 武汉纵缆通模具有限公司 异型线绞合电缆导体及其生产方法
CN105590702A (zh) * 2014-10-23 2016-05-18 陕西同力电气有限公司 一种异形导体模具的设计方法
CN105810301A (zh) * 2016-05-13 2016-07-27 江苏亨通高压电缆有限公司 一种大截面海底直流电缆异型导体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112614624A (zh) * 2020-12-02 2021-04-06 白银有色长通电线电缆有限责任公司 一种非紧压异型绞合高导电率铜导体的生产方法
CN112668126A (zh) * 2021-01-12 2021-04-16 河南乐山电缆有限公司 一种非紧压圆形绞合导体单丝线径的设计方法
CN118211288A (zh) * 2024-05-22 2024-06-18 四川蓝电电缆科技有限公司 给定电阻条件下精确选取绞合紧压前导体单线直径的方法

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DE112016003098T5 (de) 2018-10-25
CN106874590A (zh) 2017-06-20

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