JPH0982143A - Power cable with cooling passage - Google Patents

Power cable with cooling passage

Info

Publication number
JPH0982143A
JPH0982143A JP7234886A JP23488695A JPH0982143A JP H0982143 A JPH0982143 A JP H0982143A JP 7234886 A JP7234886 A JP 7234886A JP 23488695 A JP23488695 A JP 23488695A JP H0982143 A JPH0982143 A JP H0982143A
Authority
JP
Japan
Prior art keywords
layer
cable
lower layer
anticorrosion
upper layer
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
Application number
JP7234886A
Other languages
Japanese (ja)
Inventor
Takayuki Kawai
隆之 川井
Tatsuya Nagata
達也 永田
Kiyotomo Yagihashi
清智 矢木橋
Kenichi Ishii
健一 石井
Noriaki Horiguchi
規昭 堀口
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.)
Furukawa Electric Co Ltd
Chubu Electric Power Co Inc
Original Assignee
Furukawa Electric Co Ltd
Chubu Electric Power Co Inc
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 Furukawa Electric Co Ltd, Chubu Electric Power Co Inc filed Critical Furukawa Electric Co Ltd
Priority to JP7234886A priority Critical patent/JPH0982143A/en
Publication of JPH0982143A publication Critical patent/JPH0982143A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid

Landscapes

  • Insulated Conductors (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a power cable with cooling passage which is easy to manufacture, and treatable equally to a general non-cooled cable, and has good space efficiency. SOLUTION: A corrosion preventing layer lower layer 2 having irregularities continued in the longitudinal direction of a cable is circumferentially arranged on a cable core part 1. A corrosion preventing layer upper layer 3 having the maximum outer diameter of the lower layer as its inside diameter is arranged on the lower layer, and the corrosion preventing layer lower layer 2 is integrated to the corrosion preventing layer upper layer 3 through the protruding parts. A coolant is passed to a longitudinally continued space part 5 formed between the upper layer and the lower layer to externally cool the cable. Since the coolant passage is formed when the cable corrosion preventing layer is extruded over, the manufacture is facilitated, and the cost can be also reduced. Further, a nonmagnetic body wire is contrahelically wound on the outer part of the corrosion layer upper layer, whereby the cable can resist to water conveying pressure, and the reduction in tension added to the cable core and the protection to external flaw can be attained.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は冷却通路を備えた電力ケ
ーブルに関し、さらに詳細には、冷却通路とケーブルを
一体化した強制冷却用電力ケーブルに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power cable having a cooling passage, and more particularly to a power cable for forced cooling in which the cooling passage and the cable are integrated.

【０００２】[0002]

【従来の技術】送電容量を上げる目的で電力ケーブルを
冷却する場合、ケーブル本体と冷却媒体を直接接触させ
て冷却を行う直接冷却タイプと洞道内等に冷却管を配置
し、周辺の空気を介して冷却する間接冷却タイプがあ
る。このうち、前者の直接冷却タイプでは次の方法が採
られている。 (1) 管路を水密構造として、管路内に冷却媒体を流し管
路内のケーブルの冷却を行う。 (2) 冷却パイプ内にケーブルを引き込む。2. Description of the Related Art When cooling an electric power cable for the purpose of increasing the power transmission capacity, a direct cooling type in which the cable body and a cooling medium are brought into direct contact with each other for cooling and a cooling pipe is arranged in a cave or the like, and the surrounding air is passed through. Indirect cooling type is available. Of these, the following method is adopted in the former direct cooling type. (1) The pipe has a watertight structure, and a cooling medium is flown into the pipe to cool the cables in the pipe. (2) Pull the cable into the cooling pipe.

【０００３】[0003]

【発明が解決しようとする課題】上記した外部直接冷却
における固有の問題として、上記(1) の場合には、水密
になっている管路内にケーブルを引き込むため、工事が
複雑となるという問題があり、また、(2) の場合には、
ケーブルと冷却管の一体化が不可能であり、長尺物の製
造ができないという問題がある。さらに、上記(1),(2)
共通の問題として、ケーブル本体の固定ができず、立坑
部などケーブル固定が不可欠な場所への敷設は困難であ
るといった問題もある。As a problem inherent to the above external direct cooling, in the case of (1) above, the work is complicated because the cable is drawn into the watertight conduit. , And in case of (2),
There is a problem that it is impossible to integrate the cable and the cooling pipe, and it is impossible to manufacture a long product. Furthermore, the above (1), (2)
A common problem is that the cable body cannot be fixed and it is difficult to lay it in a place where cable fixing is indispensable, such as a vertical shaft.

【０００４】そこで、冷却管内蔵したカバー等を用意
し、該カバーをケーブル敷設時にケーブルの外周に取り
付けてケーブルを冷却したり（例えば、特開昭５８−３
００１０号公報参照）、あるいは、遮蔽層の外側に金
属パイプを外装し、該パイプ内に冷却媒体を流してケー
ブルを冷却する（例えば、実開昭５６−１０１８２５号
公報等参照）等の技術が提案されている。Therefore, a cover having a built-in cooling pipe is prepared, and the cover is attached to the outer periphery of the cable when the cable is laid to cool the cable (see, for example, JP-A-58-3).
No. 0010), or a technique of coating a metal pipe on the outside of the shielding layer and flowing a cooling medium into the pipe to cool the cable (see, for example, Japanese Utility Model Laid-Open No. 56-101825). Proposed.

【０００５】しかしながら、上記した、の技術は、
数本の冷却管を押し出し被覆により一体化してカバーを
形成したり、あるいは、ケーブルの外周にパイプを巻き
付けて防食層を施したりするなど、製造に比較的手間が
かかるとともに、断面が円形の冷却管を使用しているた
め、冷媒との接触面積が小さく冷却効率が悪く、また、
外形寸法が大きくなるといった問題があった。However, the above technique is
It takes a relatively long time to manufacture such as forming a cover by extruding and covering several cooling pipes to form a cover, or winding a pipe around the outer circumference of a cable to provide an anticorrosion layer. Since it uses a tube, the contact area with the refrigerant is small and the cooling efficiency is poor.
There was a problem that the external dimensions became large.

【０００６】さらに、上記したの場合には、ケーブル
敷設時にカバー等を取り付ける工事が必要となり、作業
性が低下するといった問題があった。本発明は上記した
従来技術の欠点を改善するためになされたものであり、
本発明の第１の目的は、冷却通路とケーブルを一体化
し、通常の非冷却ケーブルと取り扱いや固定が同等であ
り、冷却ケーブルの敷設作業の効率を向上させることが
できる冷却通路付き電力ケーブルを提供することであ
る。Further, in the case described above, there is a problem that work for installing a cover or the like is required at the time of laying the cable, which lowers workability. The present invention has been made to remedy the above-mentioned drawbacks of the prior art.
A first object of the present invention is to provide a power cable with a cooling passage, which integrates the cooling passage and the cable, is equivalent in handling and fixing to a normal non-cooling cable, and can improve the efficiency of laying work of the cooling cable. Is to provide.

【０００７】本発明の第２の目的は、製造が容易であ
り、外形寸法が小さく、冷却効率、空間効率のよい冷却
通路付き電力ケーブルを提供することである。A second object of the present invention is to provide a power cable with a cooling passage, which is easy to manufacture, has a small outer dimension, and has good cooling efficiency and space efficiency.

【０００８】[0008]

【課題を解決するための手段】図１は本発明の概略構成
を示す図であり、図１（ａ）は本発明のケーブルの概観
図、（ｂ）は本発明のケーブルの断面図を示している。
本発明は、図１に示すように、従来１層であった防食層
を２層とし、層間に冷媒通路を設け、該冷媒通路に冷媒
を流通させ、ケーブルを冷却するようにしたもである。FIG. 1 is a diagram showing a schematic structure of the present invention. FIG. 1 (a) is a schematic view of a cable of the present invention, and FIG. 1 (b) is a sectional view of the cable of the present invention. ing.
In the present invention, as shown in FIG. 1, the conventional anticorrosion layer is composed of two layers, a refrigerant passage is provided between the layers, and the refrigerant is circulated in the refrigerant passage to cool the cable. .

【０００９】すなわち、本発明の請求項１の発明は、図
１に示すように、ケーブルコア部１の外周上に押し出し
被覆した防食層下層２と、該防食下層上に押し出し被覆
し一体化した防食層上層３を備えた電力ケーブルの防食
層下層２に、ケーブル長手方向に連続し、断面が略方形
の凹部を設け、該凹部と防食層上層で形成された空間部
５を冷却媒体の通路としたものである。That is, according to the first aspect of the present invention, as shown in FIG. 1, a lower layer 2 of an anticorrosion layer extruded and coated on the outer periphery of the cable core 1 and an extruded coating on the lower anticorrosion layer are integrated. The anticorrosion layer lower layer 2 of the power cable provided with the anticorrosion layer upper layer 3 is provided with a concave portion continuous in the cable longitudinal direction and having a substantially rectangular cross section, and the space portion 5 formed by the concave portion and the anticorrosion layer upper layer is provided with a passage for the cooling medium. It is what

【００１０】また、本発明の請求項２の発明は、請求項
１の発明において、防食層上層の外側に、非磁性体の条
を２層コントラヘリカルに巻き付けた補強層を設けたも
のである。According to a second aspect of the present invention, in the first aspect of the invention, a reinforcing layer formed by winding a two-layer contra-helical non-magnetic strip is provided outside the upper layer of the anticorrosion layer. .

【００１１】[0011]

【作用】図１の１は金属被までで構成されたケーブルコ
ア部であり、このケーブルコア部１の上に同図（ｂ）に
示すような円周上にケーブル長手方向へ連続した凹凸を
持つ、例えば断面形状が歯車状の防食層下層２を配置す
る。そして、この下層の上に、下層の最大外径を内径と
する防食層上層３を配置する。1 is a cable core portion made up of a metal cover. On this cable core portion 1 is formed a continuous unevenness in the cable longitudinal direction on the circumference as shown in FIG. The anticorrosion layer lower layer 2 having, for example, a gear-shaped cross section is arranged. Then, the anticorrosion layer upper layer 3 having the maximum outer diameter of the lower layer as the inner diameter is disposed on the lower layer.

【００１２】以上のような構造を持つ防食層では、上層
と下層の層間に、下層凹部と上層によって形成される長
手方向に連続した空間部５が確保される。この空間部５
に冷媒を流通させることによってケーブルの外部冷却が
可能であり、ケーブルは防食層下層と凸部４を介して防
食層上層まで一体であることから、ケーブルの固定は通
常の非冷却ケーブルと同様に行うことが可能である。In the anticorrosion layer having the above-mentioned structure, the space 5 which is formed by the lower layer recess and the upper layer and is continuous in the longitudinal direction is secured between the upper layer and the lower layer. This space 5
It is possible to externally cool the cable by circulating a refrigerant through it, and since the cable is integral with the lower layer of the anticorrosion layer and the upper layer of the anticorrosion layer through the convex portions 4, the fixing of the cable is the same as for a normal uncooled cable. It is possible to do.

【００１３】また、上記冷媒通路は、ケーブル防食層を
押し出し被覆する際に形成されるので、製造が容易であ
りコストも安価にすることができる。さらに、冷媒通路
の断面が略方形状に形成されるので、冷媒との接触面積
を大きくすることができ冷却効率の向上を図ることがで
き、また、ケーブル外径が大きくなることもない。また
さらに、防食層上層外部に、内圧による径方向及び軸方
向の変形に抗する目的で非磁性体の条をコントラヘリカ
ルに巻きつけることにより、送水圧に対抗することがで
き、同時にケーブルコアにかかる張力の軽減や外傷に対
しても優れた効果を示す。Further, since the refrigerant passage is formed when the cable anticorrosion layer is extruded and coated, it is easy to manufacture and the cost can be reduced. Furthermore, since the cross section of the refrigerant passage is formed in a substantially rectangular shape, the contact area with the refrigerant can be increased, the cooling efficiency can be improved, and the outer diameter of the cable does not increase. Furthermore, by contra helically winding a non-magnetic strip on the outside of the upper layer of the anticorrosion layer for the purpose of resisting radial and axial deformation due to internal pressure, it is possible to counter the water supply pressure and at the same time to the cable core. It also has an excellent effect on the reduction of tension and external damage.

【００１４】[0014]

【実施例】以下、本発明のケーブルの実施例を図２〜図
５により説明する。ケーブルコア部１は図４に示すよう
に、導体６、絶縁層７、金属被（鉛）８をもつ５００ｋ
ＶＡ、２５００ｍｍ2 ＣＶケーブル（外径１６３ｍｍ
φ）とした。このケーブルコア部１上に、図２、図３に
示すように最大外径１９０ｍｍφ、最小肉厚５ｍｍで、
６５ｍｍ間隔で高さ１０ｍｍ、幅４３．５ｍｍの凸部を
ケーブル長手方向に連続してもつようなポリエチレン防
食層下層９を成形押し出しする。さらに、この防食下層
の上へ内径１９０ｍｍφ、肉厚５ｍｍのポリエチレン防
食層上層１０を押し出す。防食層下層凸部と防食層上層
とはポリエチレン同士の融着接続で強固に接続されてい
る。これにより、断面が図４に示すようなケーブルが形
成される。Embodiments of the cable of the present invention will be described below with reference to FIGS. As shown in FIG. 4, the cable core portion 1 has a conductor 6, an insulating layer 7, and a metal coating (lead) 8 of 500 k.
VA, 2500mm 2 CV cable (outer diameter 163mm
φ). On this cable core portion 1, as shown in FIGS. 2 and 3, the maximum outer diameter is 190 mmφ and the minimum wall thickness is 5 mm.
The polyethylene anticorrosive layer lower layer 9 having moldings having a height of 10 mm and a width of 43.5 mm continuously at 65 mm intervals in the cable longitudinal direction is extruded. Further, the polyethylene anticorrosion layer upper layer 10 having an inner diameter of 190 mmφ and a wall thickness of 5 mm is extruded onto the anticorrosion lower layer. The convex portion of the lower layer of the anticorrosion layer and the upper layer of the anticorrosion layer are firmly connected by fusion bonding of polyethylene. As a result, a cable whose cross section is shown in FIG. 4 is formed.

【００１５】このような構造を持つケーブルでは、上下
の防食層間に流路面積６５０ｍｍ2の冷媒通路１１を５
本持つ外部直接冷却ケーブルとして使用される。さら
に、図５に示すように、この防食層上層に２層の非磁性
体の条１４を軸線に対して５５°の角度でコントラヘリ
カルに巻き付け、内圧による径方向の膨張および軸方向
への伸びに対する補強層とする。In the cable having such a structure, the refrigerant passage 11 having a flow passage area of 650 mm 2 is formed between the upper and lower anticorrosion layers.
Used as an external direct cooling cable with a book. Furthermore, as shown in FIG. 5, two layers 14 of non-magnetic material are contra-helically wound on the upper layer of the anticorrosion layer at an angle of 55 ° with respect to the axis to expand radially and expand axially due to internal pressure. To be a reinforcing layer.

【００１６】なお、上記実施例において、ケーブルコア
を５００ｋＶＡ、２５００ｍｍ2 ＣＶケーブルとしたの
は、実用上妥当であると考えたためであり、必要に応じ
て変更することができる。また、冷媒通路のサイズにつ
いて、一例として断面形状の６０×１０ｍｍの水路モデ
ルでの実測値を求めた結果、流体が水の場合に流量０．
４１ｃｍ3 ／ｓｅｃで１ｍ当たりの圧力損失が３×１０
-3ｋｇ／ｃｍ2 であることが確認できている。In the above embodiment, the reason why the cable core is 500 kVA and 2500 mm 2 CV cable is because it is considered to be practically appropriate, and can be changed as necessary. Further, as a result of measuring the actual size of the refrigerant passage in a water channel model having a cross-sectional shape of 60 × 10 mm, as an example, when the fluid is water, the flow rate is 0.
Pressure loss per meter is 3 × 10 at 41 cm 3 / sec.
It has been confirmed to be -3 kg / cm 2 .

【００１７】その結果、ケーブル２ｋｍでは圧力損失が
６ｋｇ／ｃｍ2 でケーブル全体の流量が２１ｃｍ3 ／ｓ
ｅｃとなる。これは、冷却に必要な流量に十分であり、
かつポリエチレンの耐圧力内に収まることから、ポンプ
を２ｋｍ毎に配置すればよいことになる。以上の結果と
ケーブル固定に必要な凸部面積を考慮して上記の冷却管
サイズを決定した。したがって、防食材・冷媒の改良や
外径が大きくできる場合などではサイズ変更もあり得
る。As a result, the pressure loss of the cable 2 km is 6 kg / cm 2 , and the flow rate of the entire cable is 21 cm 3 / s.
ec. This is enough for the required flow rate for cooling,
In addition, since the pressure is within the withstand pressure of polyethylene, the pump should be arranged every 2 km. The cooling pipe size was determined in consideration of the above results and the convex area required for fixing the cable. Therefore, it is possible to change the size in the case of improving the anti-corrosion material / refrigerant or increasing the outer diameter.

【００１８】なお、上記冷媒通路には、温度・水圧及び
漏水検知用の光ラインセンサを収納することによりケー
ブルの自己診断機能を付加することもできる。An optical line sensor for detecting temperature / water pressure and water leakage may be housed in the refrigerant passage to add a self-diagnosis function to the cable.

【００１９】[0019]

【発明の効果】以上説明したように、本発明において
は、ケーブルコア部の外周上に押し出し被覆した防食層
下層と、該防食下層上に押し出し被覆し一体化した防食
層上層を備えた電力ケーブルの防食層下層に、ケーブル
長手方向に連続し、断面が略方形の凹部を設け、該凹部
と防食層上層で形成された空間部を冷却媒体の通路とし
たので、次の効果を得ることができる。 （１）冷却通路とケーブルを一体化することができ、通
常の非冷却ケーブルと取り扱い、固定を同等とすること
ができる。このため、冷却ケーブルの敷設作業性の向上
や従来敷設不可能であった縦坑などの固定が必要な場所
への敷設も可能となった。 （２）冷媒通路は、ケーブル防食層を押し出し被覆する
際に形成されるので、製造が容易でありコストも安価に
することができる。さらに、冷媒通路の断面が略方形状
に形成されるので、冷媒との接触面積を大きすることが
でき、また、ケーブル外径が大きくなることもない。As described above, according to the present invention, the power cable is provided with the lower layer of the anticorrosion layer extruded and coated on the outer periphery of the cable core portion and the upper layer of the anticorrosion layer extruded and coated on the anticorrosion lower layer. The lower layer of the anticorrosion layer is provided with a recess having a substantially rectangular cross section continuous in the cable longitudinal direction, and the space formed by the recess and the upper layer of the anticorrosion layer serves as a passage for the cooling medium, so that the following effects can be obtained. it can. (1) The cooling passage and the cable can be integrated, and can be handled and fixed in the same manner as an ordinary non-cooled cable. For this reason, it has become possible to improve the workability of laying the cooling cable and to install it in a place where it is necessary to fix a vertical shaft, etc. (2) Since the refrigerant passage is formed when the cable anticorrosion layer is extruded and covered, it is easy to manufacture and the cost can be reduced. Further, since the cross section of the refrigerant passage is formed in a substantially rectangular shape, the contact area with the refrigerant can be increased and the outer diameter of the cable does not increase.

【００２０】このため、冷却効率の向上を図ることがで
き、また、空間効率を従来のものに比べて向上させるこ
とができ、洞道などの拡張工事なしに敷設することが可
能となる。 （３）防食層上層外部に、内圧による径方向及び軸方向
の変形に抗する目的で非磁性体の条をコントラヘリカル
に巻きつけることにより、送水圧に対抗することがで
き、同時にケーブルコアにかかる張力の軽減や外傷に対
しても優れた効果を示す。Therefore, the cooling efficiency can be improved, the space efficiency can be improved as compared with the conventional one, and the laying can be performed without expanding the cavern or the like. (3) By contra helically winding a strip of non-magnetic material on the outside of the upper layer of the anticorrosion layer for the purpose of resisting radial and axial deformation due to internal pressure, it is possible to counter the water pressure and at the same time to the cable core. It also has an excellent effect on the reduction of tension and external damage.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の概略構成を示す図である。FIG. 1 is a diagram showing a schematic configuration of the present invention.

【図２】本発明の実施例の防食層下層の断面図である。FIG. 2 is a cross-sectional view of a lower layer of an anticorrosion layer according to an example of the present invention.

【図３】本発明の実施例の防食層下層の概観図である。FIG. 3 is a schematic view of a lower layer of an anticorrosion layer according to an example of the present invention.

【図４】本発明の実施例のケーブルの断面図である。FIG. 4 is a sectional view of a cable according to an embodiment of the present invention.

【図５】本発明の実施例の補強層の断面図／側面図であ
る。FIG. 5 is a sectional view / side view of the reinforcing layer according to the embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１ ケーブルコア部 ２ 防食層下層 ３ 防食層上層 ４ 下層凸部 ５ 空間部 ６ 導体 ７ 絶縁層 ８ 金属被（鉛） ９ 防食層下層 １０ 防食層上層 １１ 冷媒通路 １２ 補強層（上層） １３ 補強層（下層） １４ 非磁性体条 1 Cable Core Part 2 Anticorrosion Layer Lower Layer 3 Anticorrosion Layer Upper Layer 4 Lower Layer Convex 5 Space 6 Conductor 7 Insulating Layer 8 Metal Cover (Lead) 9 Anticorrosion Layer Lower Layer 10 Anticorrosion Layer Upper Layer 11 Refrigerant Passage 12 Reinforcing Layer (Upper Layer) 13 Reinforcing Layer (Lower layer) 14 Non-magnetic strip

───────────────────────────────────────────────────── フロントページの続き (72)発明者 矢木橋 清智 東京都千代田区丸の内二丁目６番１号 古 河電気工業株式会社内 (72)発明者 石井 健一 東京都千代田区丸の内二丁目６番１号 古 河電気工業株式会社内 (72)発明者 堀口 規昭 東京都千代田区丸の内二丁目６番１号 古 河電気工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyochi Yagibashi 2-6-1, Marunouchi, Chiyoda-ku, Tokyo Furukawa Electric Co., Ltd. (72) Kenichi Ishii 2--6, Marunouchi, Chiyoda-ku, Tokyo No. 1 in Furukawa Electric Co., Ltd. (72) Inventor Noriaki Horiguchi 2-6-1, Marunouchi, Chiyoda-ku, Tokyo Inside Furukawa Electric Co., Ltd.

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 ケーブルコア部の外周上に押し出し被覆
した防食層下層と、該防食下層上に押し出し被覆し一体
化した防食層上層を備えた電力ケーブルであって、 上記防食層下層に、ケーブル長手方向に連続し、断面が
略方形の凹部を設け、該凹部と防食層上層で形成された
空間部を冷却媒体の通路としたことを特徴とする冷却通
路付き電力ケーブル。1. A power cable comprising a lower layer of an anticorrosion layer extruded and coated on the outer periphery of a cable core portion, and an upper layer of the anticorrosion layer extruded and coated on the anticorrosion lower layer, wherein the lower layer of the anticorrosion layer is a cable. A power cable with a cooling passage, characterized in that a concave portion which is continuous in the longitudinal direction and has a substantially rectangular cross section is provided, and a space formed by the concave portion and an upper layer of the anticorrosion layer is used as a passage for a cooling medium. 【請求項２】 防食層上層の外側に、非磁性体の条を２
層コントラヘリカルに巻き付けた補強層を設けたことを
特徴とする請求項１の冷却通路付き電力ケーブル。2. A strip of non-magnetic material is provided outside the upper layer of the anticorrosion layer.
The power cable with a cooling passage according to claim 1, wherein a reinforcing layer wound around a layer contra-helical is provided.
JP7234886A 1995-09-13 1995-09-13 Power cable with cooling passage Pending JPH0982143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7234886A JPH0982143A (en) 1995-09-13 1995-09-13 Power cable with cooling passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7234886A JPH0982143A (en) 1995-09-13 1995-09-13 Power cable with cooling passage

Publications (1)

Publication Number Publication Date
JPH0982143A true JPH0982143A (en) 1997-03-28

Family

ID=16977869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7234886A Pending JPH0982143A (en) 1995-09-13 1995-09-13 Power cable with cooling passage

Country Status (1)

Country Link
JP (1) JPH0982143A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106887277A (en) * 2017-04-08 2017-06-23 江苏晟彼特特种线缆有限公司 Electric automobile charging pile cools down cable
CN107039117A (en) * 2017-05-27 2017-08-11 特变电工(德阳)电缆股份有限公司 New-energy automobile flexible cable
CN111063485A (en) * 2019-11-27 2020-04-24 安徽华通电缆集团有限公司 High-power low-loss power transmission cable
CN113161069A (en) * 2021-04-28 2021-07-23 四川鑫电电缆有限公司 Copper pipe cooling high current-carrying cable
WO2023174276A1 (en) * 2022-03-14 2023-09-21 长春捷翼汽车科技股份有限公司 Connector assembly having liquid cooling function and vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106887277A (en) * 2017-04-08 2017-06-23 江苏晟彼特特种线缆有限公司 Electric automobile charging pile cools down cable
CN107039117A (en) * 2017-05-27 2017-08-11 特变电工(德阳)电缆股份有限公司 New-energy automobile flexible cable
CN107039117B (en) * 2017-05-27 2023-08-25 特变电工(德阳)电缆股份有限公司 Flexible cable for new energy automobile
CN111063485A (en) * 2019-11-27 2020-04-24 安徽华通电缆集团有限公司 High-power low-loss power transmission cable
CN113161069A (en) * 2021-04-28 2021-07-23 四川鑫电电缆有限公司 Copper pipe cooling high current-carrying cable
WO2023174276A1 (en) * 2022-03-14 2023-09-21 长春捷翼汽车科技股份有限公司 Connector assembly having liquid cooling function and vehicle

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