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    • 61. 发明授权
    • Cooling of power cables utilizing an open cycle cooling system
    • 使用开放循环冷却系统冷却电力电缆
    • US3946142A
    • 1976-03-23
    • US510658
    • 1974-09-30
    • Mazin KellowJames VanSantJacques Bonneville
    • Mazin KellowJames VanSantJacques Bonneville
    • H01B7/42H01B7/34
    • H01B7/423
    • An apparatus for cooling underground power cables situated in a tubular cable enclosure. Cooling of underground power cables is presently effected by the circulation of water or oil through pipes within which the cables are situated. The oil or water is then circulated through air or water-cooled heat exchangers which are uniformly spaced along the transmission line. However, a substantial flow of liquid is required to extract a useful quantity of heat, and extensive equipment is necessary to effect this flow of liquid. The subject invention proposes a relatively inexpensive and more efficient apparatus to cool underground cables. The apparatus comprises an enclosed chamber adapted to enclose a portion of a length of underground power cables. A liquid supply inlet is provided to the enclosed chamber, as well as an evaporated liquid outlet from the enclosed chamber. Means are provided to distribute liquid entering the enclosed chamber through the inlet within the enclosed chamber whereby evaporation of the liquid by heat generated within the underground power cables effects the cooling thereof. Means are also provided to initiate removal of evaporated liquid through the evaporated liquid outlet. The process according to the subject invention comprises the supplying of liquid along a length of an enclosed chamber extending along a portion of a length of the power cables, such that the liquid is distributed within the enclosed chamber. A flow of pressurized air is directed along the length of the enclosed chamber to assist the evaporation process of the liquid and to carry evaporated liquid away from the power cables. The pressurized air carrying the evaporated liquid is then removed from the enclosed chamber.
    • 一种用于冷却位于管状电缆外壳中的地下电力电缆的设备。 地下电力电缆的冷却目前通过水或油通过电缆所在的管道循环来实现。 然后将油或水循环通过沿传输线均匀间隔的空气或水冷式热交换器。 然而,需要大量的液体来提取有用量的热量,并且需要大量的设备来实现这种液体流动。 本发明提出了一种相对便宜且更有效的冷却地下电缆的设备。 该装置包括适于包围一段长度的地下电力电缆的封闭室。 液体供应入口被提供到封闭室,以及从封闭室的蒸发的液体出口。 提供装置以通过封闭室内的入口分配进入封闭室的液体,由此在地下电力电缆内产生的热量使液体蒸发影响其冷却。 还提供了通过蒸发的液体出口去除蒸发的液体的装置。 根据本发明的方法包括沿着沿着电力电缆的一段长度的一部分延伸的封闭室的长度供应液体,使得液体分布在封闭的室内。 加压空气的流动沿着封闭室的长度被​​引导以帮助液体的蒸发过程并将蒸发的液体从电力电缆运送离开。 然后将带有蒸发液体的加压空气从封闭室中取出。
    • 63. 发明授权
    • Feeding of liquid into a liquid cooled, heavy current cable
    • 将液体送入液体冷却的大电流电缆
    • US3908073A
    • 1975-09-23
    • US51551774
    • 1974-10-17
    • KABEL METALLWERKE GHH
    • HUBNER ERNST
    • H01B7/42H01B9/00H05B7/11H01B7/34
    • H05B7/11H01B7/423H01B9/001
    • A heavy current cable has an inner tube for some cooling liquid, an outer envelope, and conductors inbetween. A socket connected to the cable end has a body, a sleeve for insertion of the conductor ends, and a tube threaded into the socket body and receiving coolant fluid from a duct through that socket body. The conductors are strapped to that socket tube and feeder tubes communicate with that socket tube and extend radially therefrom with axial continuation to discharge cooling fluid axially, directly into the conductor containing space inbetween inner tube and outer envelope of the cable.
    • 大电流电缆具有用于一些冷却液体的内管,外壳和中间的导体。 连接到电缆端的插座具有主体,用于插入导体端的套筒,以及螺纹连接到插座主体中的管子,并且通过该插座本体从管道接收冷却剂流体。 这些导体被捆扎到该插座管上,并且馈送管与该插座管连通并且从其径向延伸并且轴向延伸以将冷却流体轴向地直接排放到电缆的内管和外封套之间的导体容纳空间中。
    • 64. 发明授权
    • Water-cooled flexible riser tube cable terminal
    • 水冷柔性提升管电缆端子
    • US3872232A
    • 1975-03-18
    • US43243174
    • 1974-01-11
    • GOODMAN DANIEL J
    • GOODMAN DANIEL J
    • H05B7/11H01B7/42H01B9/00H01B7/34
    • H01B9/001
    • This water-cooled electric arc furnace cable terminal consists of a cup-shaped head and a rearwardly-projecting bar-shaped terminal blade containing a cooling water passageway communicating with the interior of the head and opening into a stepped riser tube surrounded by an annular cavity in which are secured, as by solder, the outer ends of the stranded cable conductors or ''''ropes.'''' A perforated flexible tubular elastomeric core separates the inner sides of the stranded cable conductor from the inner component of the composite riser tube in spaced relationship therewith so as to provide a cooling water passegeway therebetween. The tubular core is provided with perforations enabling the cooling water to pass therethrough into the interstices between the hair-like wires of the so-called cable conductors or ''''ropes.'''' To prevent clogging of the terminal by splinters of the hair-like wires of which these cable ropes are composed, the riser tube of the terminal is composed of coaxial outer and inner components of different diameters separated from one another by circumferentially-separated spacers so that the cooling water can flow through the arcuate auxiliary ports thus provided between the spacers and thereby flow around the outside of the inner component of the riser tube, as well as through the interior thereof, and thus bypass wire splinter masses which might otherwise clog or plug up the water cooling passageways and cause the cable to ''''explode'''' from the pressure of the steam thus produced.
    • 该水冷电弧炉电缆端子包括杯状头部和向后突出的棒状端子片,其包含冷却水通道,该冷却水通道与头部内部连通,并且通过环形空腔包围的台阶式提升管 其中通过焊料固定绞合电缆导体或“绳索”的外端。 穿孔的柔性管状弹性体芯与间隔开的关系将绞合的电缆导体的内侧与复合提升管的内部部件分开,以便在它们之间提供冷却水缓冲器。 管状芯具有穿孔,使得冷却水能够通过其穿入所谓的电缆导体或“绳索”的发状线之间的空隙中。 为了防止由这些电缆绳构成的毛发线的碎片堵塞端子,端子的提升管由不同直径的同轴的外部和内部部件组成,这些外部和内部部件通过周向分隔的间隔件彼此分开,使得 冷却水可以流过这样设置在间隔件之间的弧形辅助端口,从而流过提升管内部组件的外部,以及通过其内部,从而绕过可能堵塞或堵塞的导线块 水冷却通道,使电缆从这样产生的蒸汽压力“爆炸”。