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    • 2. 发明授权
    • Dynamoelectric machine with cryostable field winding
    • 发电机具有低温场绕组
    • US4282450A
    • 1981-08-04
    • US78751
    • 1979-09-25
    • Phillip W. Eckels
    • Phillip W. Eckels
    • H02K3/24H02K55/04H02K9/00
    • H02K55/04H02K3/24Y02E40/625Y10S336/01Y10S505/877Y10S505/878
    • Cryostability is achieved by a superconductive rotor of a dynamoelectric machine constructed in accordance with the invention. The superconductive rotor comprises: a rotor shaft; a support rim; a plurality of slot teeth formed at the outer periphery of said rim, said teeth located between and defining a plurality of rotor slots; and a plurality of slot assemblies, one within each rotor slot. Each slot assembly comprises: a plurality of stacks of superconductors, each superconductor within a stack having insulation on only two of its sides and being disposed one on top of another in generally radial direction relative to the rotor shaft; a plurality of insulative separators, one between each pair of stacks; a top insulative strip and a bottom insulative strip, respectively radially above and below said conductor stacks; and a side panel on either side of the slot assembly and next to a slot tooth. Cooling channels are disposed on the surfaces of the separators, the side panels and the top and bottom strips so as to establish at least one coolant path along which coolant may be circulated to, within and from the slot assembly by natural convection.
    • 通过根据本发明构造的电动机械的超导转子来实现低温性能。 超导转子包括:转子轴; 支撑边缘 形成在所述边缘的外周边处的多个槽齿,所述齿位于并限定多个转子槽; 以及多个槽组件,一个在每个转子槽内。 每个槽组件包括:多个超导体叠层,堆叠内的每个超导体仅在其两侧具有绝缘,并且相对于转子轴在大体上径向方向上设置在另一个顶部上; 多个绝缘分离器,每对堆叠之间一个; 分别在所述导体堆叠的上方和下方分别位于顶部绝缘条和底部绝缘条上; 以及在槽组件的任一侧上的侧板,并且与槽齿相邻。 冷却通道设置在分离器,侧面板和顶部和底部条带的表面上,以便建立至少一个冷却剂通道,冷却剂沿着该冷却剂路径可以通过自然对流循环到槽组件内和从槽组件中流出。
    • 8. 发明授权
    • Method and apparatus for operating generator in its superconducting state
    • 在超导状态下运行发电机的方法和装置
    • US4238701A
    • 1980-12-09
    • US786533
    • 1977-04-11
    • Phillip W. Eckels
    • Phillip W. Eckels
    • H02K9/20H02K55/04H02K1/32
    • H02K55/04H02K9/20Y02E40/625Y10S505/878
    • A superconducting generator or alternator in which the electrical winding is disposed within a fluid impervious outer shell. Liquid coolant is introduced into the interior of the shell via a liquid coolant supply pipe that terminates in an axially extending liquid coolant intake trough. The trough separates the incoming coolant from an annular coolant bath that submerges the electrical winding of the generator during superconducting operation. Heat conducting tubes extend radially outward from the bottom of the trough and permit a flow of liquid coolant therethrough to adjacent the outer shell. Sensible heat of compression (resulting from the rotation of the generator) produced in the coolant stream in the tube is at least partially withdrawn from the stream by the tubes and transferred to the inner surface of the bath so that the coolant is discharged from the tubes at a lesser temperature than would otherwise be the case. The discharged coolant is circulated past the electrical winding towards the inner surface of the annular coolant bath where it evaporates. The center of the generator is maintained at a vacuum and coolant vapor is withdrawn and circulated through a conventional refrigeration system for return in liquid form to a liquid coolant supply pipe which in turn flows the coolant back into the trough. A liquid coolant accumulator can be employed in the liquid coolant supply so that the coolant is maintained at a constant pressure. Variations in the coolant demand are self-regulated by corresponding variations in the depth of the coolant intake pool in the trough.
    • 一种超导发电机或交流发电机,其中电绕组设置在不透液体的外壳内。 液体冷却剂通过终止于轴向延伸的液体冷却剂入口槽的液体冷却剂供应管被引入壳体的内部。 槽在超导操作期间将进入的冷却剂与环形冷却剂池分开,淹没发电机的电绕组。 导热管从槽的底部径向向外延伸,并允许液体冷却剂通过其流到邻近的外壳。 在管中的冷却剂流中产生的显着的压缩热(由发生器的旋转产生)至少部分地通过管从流中取出并转移到浴的内表面,使得冷却剂从管排出 在比其他情况下更低的温度。 排出的冷却剂循环通过电气绕组朝向其蒸发的环形冷却剂浴的内表面。 发电机的中心保持在真空状态,并且冷却剂蒸汽被抽出并循环通过常规的制冷系统,以便以液体形式返回到液体冷却剂供应管,该冷却剂供应管又将冷却剂流回到槽中。 可以在液体冷却剂供应中使用液体冷却剂储存器,使得冷却剂保持在恒定压力。 冷却液需求的变化是通过槽中冷却剂入口池深度的相应变化来自调节的。