EP0562331A2 - Câble électrique composite à ou de plusieurs conducteurs avec refroidissement integré - Google Patents

Câble électrique composite à ou de plusieurs conducteurs avec refroidissement integré Download PDF

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Publication number
EP0562331A2
EP0562331A2 EP93103539A EP93103539A EP0562331A2 EP 0562331 A2 EP0562331 A2 EP 0562331A2 EP 93103539 A EP93103539 A EP 93103539A EP 93103539 A EP93103539 A EP 93103539A EP 0562331 A2 EP0562331 A2 EP 0562331A2
Authority
EP
European Patent Office
Prior art keywords
composite
cable according
electrical
composite cable
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.)
Granted
Application number
EP93103539A
Other languages
German (de)
English (en)
Other versions
EP0562331A3 (en
EP0562331B1 (fr
Inventor
Werner Prof. Dr.-Ing. Rasquin
Heinrich Prof. Dr.-Ing. Brakelmann
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.)
Felten and Guilleaume Energietechnik AG
Original Assignee
Felten and Guilleaume Energietechnik AG
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 Felten and Guilleaume Energietechnik AG filed Critical Felten and Guilleaume Energietechnik AG
Publication of EP0562331A2 publication Critical patent/EP0562331A2/fr
Publication of EP0562331A3 publication Critical patent/EP0562331A3/de
Application granted granted Critical
Publication of EP0562331B1 publication Critical patent/EP0562331B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to an electrical single or multi-conductor composite cable with integrated cooling according to the preamble of the main claim.
  • DE OS 16 40 122 shows a multi-core electrical pressure cable, in which a cooling tube is arranged in the gusset spaces between the energy wires.
  • the shape of the cooling tube is circular, so that there is only a linear contact to the conductor wire.
  • the position of the oval wires of the cable is not fixed over the cable length; their position is random because of the twists that cannot be prevented in the stranding process.
  • the cooling tube has insufficient contact with the wire.
  • Another form of cooled cable is to place a coolant tube centrally in the conductor of the energy core (DE 23 27 316).
  • the invention has for its object to propose cooled power cables for higher performance based on existing design principles.
  • the power cables according to the invention are to be distinguished by a compact structure.
  • the task is solved with the features of the main claim. Advantageous further developments can be found in the subclaims.
  • existing pipes can be used by pulling the old cables out and pulling in the cables according to the invention. They can be used to transmit higher powers, saving expensive earthwork during the laying process.
  • the lower thermal load on the cable also means a lower thermal load on the ground.
  • the composite profiles according to the invention also have a supporting function, which has a favorable effect on the determination of the wires in the cable.
  • a typical field of application of the invention is a multi-core External gas pressure cable.
  • the core gusset rooms there are composite profiles that are crossed with one or more hollow channels of different cross-sections.
  • a cooling medium is passed through the hollow channels.
  • Another embodiment of the cable according to the invention is proposed for single-core cables which are used in high-performance networks, e.g. for 400 kV, can be used.
  • the composite ducts, which are inserted in the space above the vein, have a kidney shape.
  • the composite profiles are placed close or less closely adjacent around the wire.
  • the edge profile of the adjacent composite profiles is even if the maximum filling of the space above the wire is required.
  • the cross sections of the composite profiles are adapted according to the invention to the cross section of the gusset spaces in the multi-conductor cable.
  • the outer contour of the composite profiles is designed so that they optimally fill the gusset space in the multi-conductor cable and lie close to the surface of the wires, so that good heat transfer is guaranteed.
  • the core-facing contour of the composite profile corresponds to the contour of the core facing the composite profile.
  • gusset spaces of different sizes are created. so the gusset room is filled to the maximum.
  • An almost triangular cross section optimally fills the gusset space and allows extensive contact with the wire surface.
  • it is proposed to use at least one composite profile with a circular cross section in a cable in addition to composite profiles with a triangular cross-sectional area.
  • the composite profiles according to the invention can in particular be stranded in the single-core cable.
  • the positions of the axes of the oval wires are determined by stranding the composite profiles according to the invention.
  • the gusset spaces are given defined sizes and the core axes are fixed.
  • a true-to-profile core layer is created over the entire cable length.
  • the composite profile is preferably made of highly thermally conductive material. Mainly aluminum or copper are available as materials.
  • the composite profile is stranded with the wires as a previously extruded cable element.
  • the hollow channels are made according to the invention from thin, corrosion-resistant tubes, preferably from stainless steel.
  • the composite profiles can be made from extruded aluminum, with the stainless steel tubes being fed from the inlet side into the press in which the composite profiles are extruded.
  • the heat absorbed by the cooling medium is dissipated via heat exchangers located at certain stations along the cable route.
  • thermally insulates at least one hollow duct in the case of cables which contain a composite profile with a plurality of hollow ducts or a plurality of composite profiles with a hollow duct.
  • a thermally insulating material made of glass or plastic in the form of braid, powder, fibers or fine-grained is provided as insulation.
  • the thermally insulated hollow channel serves to return the heated cooling medium so that thermal couplings between the cooling medium supply line and return line are prevented. With this measure, the heated cooling medium in the same cable section to a heat exchanger to be led back. This allows the heat exchanger stations to be concentrated in specific locations and yet does not have to reduce the distance between the stations.
  • the thermal insulation can consist of a network of glass fibers with which the jacket of the hollow channel is wound. Another solution is to embed a fine-grain thermal insulator between two coaxial tubes.
  • the two tubes can be made of stainless steel or the inner tube is made of stainless steel and the outer tube made of aluminum.
  • the composite profiles with insulated hollow duct are stranded as cable elements in the multi-conductor cable with the cable cores or in the single-conductor cable with the cable core, since even a heat-insulating covering made of braid around the hollow duct jacket can be processed in one step in the manufacture of the composite profiles in the extruder.
  • the sum of the cross sections of the hollow channels for the supply line of the cooling medium can be selected equal to the sum of the cross sections of the hollow channels for the return line.
  • a composite profile is provided with several parallel channels parallel to the hollow channel.
  • a serrated or toothed profile is created around the jacket of the hollow channel. Paired, symmetrical parallel channels are favorable.
  • Composite profiles equipped with parallel channels can also be manufactured as extrusion elements.
  • the parallel channels can either be straight (parallel) to the axis of the composite profile or lead around the hollow channel in a helix.
  • a fiber-shaped sensor and / or at least one optical message conductor can be drawn into at least one parallel channel.
  • the parallel channels are preferably open towards the jacket of the hollow channel.
  • a sensor inserted into the parallel channel lies directly on the jacket.
  • Physical or chemical sensors are proposed as sensors that report operating variables of the cable or the line system, which can also be used for alarm messages.
  • Optical fibers are very suitable as sensors. For example, they can be used to detect heat (hot spots) or magnetic field changes.
  • FIG. 1 shows a first embodiment of a multi-conductor cable according to the invention.
  • a three-wire gas pressure cable 20 is shown.
  • the three cores 22, 22 ′, 22 ′′ (conductor cross section typically 90 to 800 mm 2) are each surrounded by insulation 24, which is provided with an inner 26 and an outer conductive layer 27.
  • a gas-tight, but pressure-compliant membrane consisting of a metal jacket 29 and a pressure protection bandage 30.
  • the stranded composite is held together by a flat wire reinforcement 40 which is designed to be slidable, so that the cable can be easily pulled into outer tubes.
  • the gas pressure is maintained in the gas space 50.
  • the outer jacket 53 consists of a solid metal tube 52 (iron) with corrosion protection 54.
  • a composite profile 62, 62 ', 62''in each of the gusset spaces There is a composite profile 62, 62 ', 62''in each of the gusset spaces.
  • the composite profiles are each crossed with three hollow channels 66, 66 ', 66''of different cross-section, through which a cooling medium can flow.
  • a hollow channel preferably consists of a stainless steel tube 64 which is embedded in the composite profile 62 extruded from aluminum.
  • the contour 31 of the composite profiles is designed so that it matches the contour of the wire surface 32 of the conductor 22, 22 ', 22'', so that good heat transfer is ensured.
  • the space 30 between the composite profiles 62, 62 ', 62''and the cores 22, 22', 22 '' is unfilled.
  • the axes AA, A'A 'of the oval wires 22, 22', 22 '' run almost towards the center of the cable.
  • Fig. 2 in which an external gas pressure cable with sheath 53 is also shown, the axes AA, A'A 'of two wires coincide; the axis BB of the third wire lies parallel to the axis of the first wire. Gusset rooms of different sizes are created.
  • the cross sections of the composite profiles are, according to the invention, the cross section of the gusset spaces and the outer contour 31 of the composite profiles is adapted to the contour 32 of the wires. 2 shows that a composite profile with a triangular cross section is located in two gusset spaces 30 and a circular composite profile 72 is located in the third gusset space.
  • the cable sheath 53 is constructed as in FIG. 1.
  • the composite profiles are each crossed with a coolant-carrying hollow channel 76, 76 ', 76''with a circular cross section. Furthermore, it is shown that a composite profile is provided with a stainless steel tube 64, which is wound with a material 68 of low thermal conductivity (braid made of glass fibers).
  • the outer tube 70 can be made of aluminum or stainless steel.
  • the cross sections of two hollow channels 76 ', 76''are small and the cross section of the third hollow channel 76 corresponds approximately to the sum of the cross sections of the two first hollow channels.
  • the hollow channels 76 ', 76''are provided for the supply of the cooling medium and the thermally insulated hollow channel 76 is provided for the return of the heated cooling medium.
  • the axes of the wires assume more or less any position in the stranding process. Since the cross-sections of the composite profiles are matched to the outer contours of the cores and the size of the gusset spaces, the position of the oval conductor wires is determined by the stranding of the composite profiles.
  • FIG. 3 shows an outer pressure cable with a jacket 53 in which the axes AA, BB, CC of the oval conductors 22, 22 ′, 22 ′′ lie on the sides of a triangle, so that gusset spaces 30 of equal size are created.
  • the outer contour 31 of the composite profiles is designed in accordance with the contour 32 of the wire surface.
  • the composite profiles are each crossed with a coolant-carrying hollow channel 66, 66 ', 66'', the cross sections (as in FIG. 2) being selected to be of different sizes.
  • the hollow channel with the larger cross section consists of two coaxial tubes 64.70.
  • the space between the tubes is filled with a thermally insulating medium 68.
  • the thermally insulated hollow channel 66 is used to return the heated cooling medium.
  • a composite profile 62 ' is provided with additional parallel channels 80 parallel to the hollow channel 66'.
  • the parallel channels can either be designed parallel to the axis of the composite profile or lead around the hollow channel in a helix.
  • the fiber 82 of an optical waveguide is drawn into one of the parallel channels.
  • the optical fiber serves as a physical or chemical sensor.
  • the cable sheath 53 is constructed as in FIG. 1.
  • Fig. 4 shows with the reference numerals as used in Fig. 2, a three-wire cable (gas pressure cable) with jacket 53 and with a central composite profile 62 ', with four composite profiles 62 located in the gusset spaces 30 and a thermally insulated composite profile 72 with outer circular cross section for the coolant return.
  • the outer contour 31 of the composite profiles is designed in accordance with the contour 32 of the wire surface.
  • the hollow channels 76, 76 ' are each surrounded by a longitudinal tube 64, 64'.
  • FIG. 5 shows a single-core cable 100 with composite profiles and hollow channels 116.
  • FIG. 5 shows four embodiments, which are shown in the drawing as four sectors S1, S2, S3, S4 of the cable. The embodiments differ only in the design of the composite profiles 108, 108 ', 108'',108'''.
  • the conductor 102 is surrounded by a conductor smoothing 104, above which the conductor insulation 105 with an outer conductive layer 106 connects.
  • the inner cable is enclosed by a corrugated sheath 131, which lies in a conventional outer sheath 132 with corrosion protection 134.
  • the composite profiles 108 ' are made circular from highly thermally conductive material with an internal stainless steel tube 122.
  • sector S2 there are only shell-free, circular composite profiles 108 ′′ in the interspace 130.
  • sector S3 and S4 the adjacent, kidney-shaped composite profiles abut one another. Its contour 110 facing the wire corresponds to the outline contour 106 of the wire.
  • the edge profile 111 is approximately circular (semicircular arc) to the adjacent composite profile, in sector S4 the edge profile 112 is flat.
  • the closest contact between adjacent composite profiles 108 arises with a flat edge profile 112, as shown in sector S4.
  • the thermal and electrical conductivity is optimal because the space 130 is almost completely filled.
  • the magnetic shielding effect is high in this embodiment.
  • a single-core cable with a composite profile is only produced in one of the embodiments 108, 108 ', 108' ', 108' '' shown in the four sectors.
  • mixed forms of at least two embodiments of the composite profiles are also possible.
  • the hollow channels 116 can have different internal cross sections. It is also not shown how it is proposed according to the invention that hollow ducts in the composite profiles of the single-core cable can be surrounded by a heat-insulated jacket.
  • the thermally insulated hollow channels are intended for the return of the cooling medium.
  • the cross sections can also be selected here so that the cooling medium is supplied through one or more hollow channels via a cross-sectional sum which corresponds approximately to the cross-sectional sum of the hollow channels for the return line of the cooling medium.
  • the hollow channels 116 in single-conductor cables 100 can also be surrounded by parallel channels.

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EP93103539A 1992-03-24 1993-03-05 Câble électrique composite à ou de plusieurs conducteurs avec refroidissement integré Expired - Lifetime EP0562331B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4209928A DE4209928C1 (fr) 1992-03-24 1992-03-24
DE4209928 1992-03-24

Publications (3)

Publication Number Publication Date
EP0562331A2 true EP0562331A2 (fr) 1993-09-29
EP0562331A3 EP0562331A3 (en) 1993-12-22
EP0562331B1 EP0562331B1 (fr) 1997-09-03

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EP (1) EP0562331B1 (fr)
DE (2) DE4209928C1 (fr)

Cited By (15)

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EP0823766A1 (fr) * 1996-08-07 1998-02-11 Sumitomo Wiring Systems, Ltd. Câble refroidi pour charge de véhicule électrique
GB2374209B (en) * 1999-12-07 2003-12-03 Peter Stanley Bircumshaw Underground power cable conduit etc
EP1179824A3 (fr) * 2000-08-11 2004-05-12 Alcatel Câble de communication résistant aux températures élevées
US7635812B2 (en) 2006-05-19 2009-12-22 Cvc Limited 1 Llc Conductor raceway separator
WO2012079631A1 (fr) 2010-12-15 2012-06-21 Abb Technology Ag Câble électrique haute tension
WO2013125962A1 (fr) * 2012-02-20 2013-08-29 Aker Subsea As Agencement permettant de refroidir des câbles d'alimentation, des câbles ombilicaux d'alimentation et des câbles
WO2014007643A1 (fr) * 2012-07-04 2014-01-09 Aker Subsea As Dissipation thermique dans un câble de puissance ou un ombilical de puissance
ITMI20121899A1 (it) * 2012-11-07 2014-05-08 Prysmian Spa Cavo elettrico per un impianto solare per la generazione di energia elettrica e di energia termica ed impianto che lo comprende
GB2515175A (en) * 2013-05-08 2014-12-17 Nexans Internal cooling of power cables and power umbilicals
EP3103173A4 (fr) * 2014-02-05 2017-10-11 Tesla Motors, Inc. Refroidissement d'un câble de charge
WO2019239262A1 (fr) * 2018-06-13 2019-12-19 Te Connectivity Corporation Système de charge muni d'un tube de refroidissement
DE102018130261A1 (de) * 2018-11-29 2020-06-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur faseroptischen Temperaturmessung in einem als Hohlfaser ausgebildeten Lichtwellenleiter, Temperatursensor, Kühlsystem und Ladesystem
CN111724943A (zh) * 2019-03-19 2020-09-29 广东吉青电缆实业有限公司 一种新型多芯散热轨道交通车辆用电缆
CN117153477A (zh) * 2023-10-30 2023-12-01 广东南缆电缆有限公司 一种抗拉双重冷却液冷电缆
CN119673541A (zh) * 2024-12-06 2025-03-21 武汉第二电线电缆有限公司 一种伺服系统用恒温动力电缆及其制备方法

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DE19723879C1 (de) * 1997-06-06 1998-08-13 Felten & Guilleaume Energie Kabelanlage zur Übertragung großer Leistung
DE19820379C1 (de) * 1998-05-07 1999-07-08 Felten & Guilleaume Ag Verfahren zur Nutzung der Verlustleistung eines Starkstromkabels
DE19843100B4 (de) * 1998-09-21 2004-11-04 Nkt Cables Gmbh Drehstromkabel
DE10012950B4 (de) * 2000-03-16 2010-01-21 Volkswagen Ag Gekühlte Kabel, insbesondere luftgekühlte Kabel
ATE408541T1 (de) * 2006-06-23 2008-10-15 Delphi Tech Inc Kabelbaum mit kühlung
JP2011124129A (ja) * 2009-12-11 2011-06-23 Showa Aircraft Ind Co Ltd 高周波用の電線
DE102010038778A1 (de) * 2010-08-02 2012-02-02 Robert Bosch Gmbh Gassensor
EP2426674A1 (fr) * 2010-09-01 2012-03-07 Nexans Agencement destiné au refroidissement d'un câble d'énergie
WO2012090004A1 (fr) * 2010-12-30 2012-07-05 Skanska Utilities Limited Système de récupération d'énergie
DE102011100389A1 (de) 2011-05-04 2012-05-24 Volkswagen Aktiengesellschaft Ladekabel, Vorrichtung zur Übertragung elektrischer Energie, Verfahren zur Herstellung einer Vorrichtung und Verfahren zur Übertragung elektrischer Energie
DE102015114133A1 (de) * 2015-08-26 2017-03-02 Phoenix Contact E-Mobility Gmbh Stromkabel mit einer Kühlleitung
DE102016210152A1 (de) * 2016-06-08 2017-12-14 Leoni Kabel Gmbh Hochfrequenzleitung und Verwendung einer solchen
DE102016117261B3 (de) * 2016-09-14 2017-11-30 HARTING Automotive GmbH System aus einem Steckverbinder, einem fluidgekühlten Kabel und einer Anschlusseinheit
DE102016118193A1 (de) 2016-09-27 2018-03-29 Phoenix Contact E-Mobility Gmbh Elektrisches Kabel mit einer Kühlmittelleitung
DE102016224104A1 (de) * 2016-12-05 2018-06-07 Leoni Kabel Gmbh Hochstromkabel und Stromversorgungssystem mit Hochstromkabel
DE102016224106A1 (de) * 2016-12-05 2018-06-07 Leoni Kabel Gmbh Hochstromkabel und Stromversorgungssystem mit Hochstromkabel
DE102017105985A1 (de) * 2017-03-21 2018-09-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ladekabelanordnung
US20180350488A1 (en) 2017-06-02 2018-12-06 Schlumberger Technology Corporation Electrical cables and processes for making and using same
EP4125098A1 (fr) 2021-07-30 2023-02-01 Aptiv Technologies Limited Ensemble câble de puissance pour un système de distribution d'énergie comportant un système de refroidissement intégré
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DE1640122A1 (de) * 1968-03-07 1970-05-21 Felten & Guilleaume Carlswerk Elektrisches Druckkabel Elektrisches Druckkabel
DE2342160B2 (de) * 1973-08-17 1977-06-16 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Kuehlschirm fuer elektrische kabel

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EP0823766A1 (fr) * 1996-08-07 1998-02-11 Sumitomo Wiring Systems, Ltd. Câble refroidi pour charge de véhicule électrique
GB2374209B (en) * 1999-12-07 2003-12-03 Peter Stanley Bircumshaw Underground power cable conduit etc
EP1179824A3 (fr) * 2000-08-11 2004-05-12 Alcatel Câble de communication résistant aux températures élevées
US7635812B2 (en) 2006-05-19 2009-12-22 Cvc Limited 1 Llc Conductor raceway separator
US8847069B2 (en) 2010-12-15 2014-09-30 Abb Technology Ag High voltage electric cable
WO2012079631A1 (fr) 2010-12-15 2012-06-21 Abb Technology Ag Câble électrique haute tension
CN103262177A (zh) * 2010-12-15 2013-08-21 Abb技术有限公司 高压电缆
CN103262177B (zh) * 2010-12-15 2015-07-01 Abb技术有限公司 高压电缆
WO2013125962A1 (fr) * 2012-02-20 2013-08-29 Aker Subsea As Agencement permettant de refroidir des câbles d'alimentation, des câbles ombilicaux d'alimentation et des câbles
US9779856B2 (en) 2012-02-20 2017-10-03 Aker Solutions As Arrangement for cooling power cables, power umbilicals and cables
EP2817807B1 (fr) 2012-02-20 2018-01-17 Aker Subsea AS Agencement permettant de refroidir des câbles d'alimentation, des câbles ombilicaux d'alimentation et des câbles
US20150041171A1 (en) * 2012-02-20 2015-02-12 Aker Subsea As Arrangement for cooling power cables, power umbilicals and cables
EP2817807A4 (fr) * 2012-02-20 2016-03-09 Aker Subsea As Agencement permettant de refroidir des câbles d'alimentation, des câbles ombilicaux d'alimentation et des câbles
WO2014007643A1 (fr) * 2012-07-04 2014-01-09 Aker Subsea As Dissipation thermique dans un câble de puissance ou un ombilical de puissance
CN104395969A (zh) * 2012-07-04 2015-03-04 阿克海底公司 电力电缆或电力脐带中的热耗散
US9595370B2 (en) 2012-11-07 2017-03-14 Prysmian S.P.A. Electric cables for solar plants generating electrical and thermal energy, and plants comprising the electrical cables
EP2731112A1 (fr) * 2012-11-07 2014-05-14 Prysmian S.p.A. Câble électrique pour une installation solaire générant de l'énergie électrique et thermique et installation le comportant
ITMI20121899A1 (it) * 2012-11-07 2014-05-08 Prysmian Spa Cavo elettrico per un impianto solare per la generazione di energia elettrica e di energia termica ed impianto che lo comprende
NO340457B1 (no) * 2013-05-08 2017-04-24 Nexans Indre kjøling av kraftforsyningskabler og kraftforsyningsumbilikaler
GB2515175A (en) * 2013-05-08 2014-12-17 Nexans Internal cooling of power cables and power umbilicals
GB2515175B (en) * 2013-05-08 2020-09-30 Nexans Internal cooling of power cables and power umbilicals
EP3103173A4 (fr) * 2014-02-05 2017-10-11 Tesla Motors, Inc. Refroidissement d'un câble de charge
WO2019239262A1 (fr) * 2018-06-13 2019-12-19 Te Connectivity Corporation Système de charge muni d'un tube de refroidissement
US10714236B2 (en) 2018-06-13 2020-07-14 Te Connectivity Corporation Charging system with cooling tube
CN112770929A (zh) * 2018-06-13 2021-05-07 泰连公司 具有冷却管的充电系统
CN112770929B (zh) * 2018-06-13 2024-09-10 泰连公司 具有冷却管的充电系统
DE102018130261B4 (de) 2018-11-29 2024-08-14 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur faseroptischen Temperaturmessung in einem als Hohlfaser ausgebildeten Lichtwellenleiter, Temperatursensor, Kühlsystem und Ladesystem
DE102018130261A1 (de) * 2018-11-29 2020-06-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur faseroptischen Temperaturmessung in einem als Hohlfaser ausgebildeten Lichtwellenleiter, Temperatursensor, Kühlsystem und Ladesystem
CN111724943A (zh) * 2019-03-19 2020-09-29 广东吉青电缆实业有限公司 一种新型多芯散热轨道交通车辆用电缆
CN117153477B (zh) * 2023-10-30 2024-02-02 广东南缆电缆有限公司 一种抗拉双重冷却液冷电缆
CN117153477A (zh) * 2023-10-30 2023-12-01 广东南缆电缆有限公司 一种抗拉双重冷却液冷电缆
CN119673541A (zh) * 2024-12-06 2025-03-21 武汉第二电线电缆有限公司 一种伺服系统用恒温动力电缆及其制备方法

Also Published As

Publication number Publication date
EP0562331A3 (en) 1993-12-22
EP0562331B1 (fr) 1997-09-03
DE4209928C1 (fr) 1992-12-24
DE59307231D1 (de) 1997-10-09

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