摘要:
A superconductive rotor of a dynamoelectric machine comprising a rotor shaft, a support rim, a plurality of slot teeth (86) formed at the outer periphery of said rim, said teeth located between rotor slots, and a plurality of slot assemblies, one within each rotor slot. Each slot assembly comprises a plurality of stacks (72) of superconductors (60), each superconductor within a stack having insulation (74) on only two of its sides and being disposed one on top of another in a generally radial direction relative to the rotor shaft; a plurality of insulative separators (73), one between each pair of stacks; a top insulative strip (79) and a bottom insulative strip (80), respectively radially above and below said conductor stacks; and a side panel (77) on either side of the slot assembly and next to a slot tooth. Cooling channels are disposed on the surfaces of the separators.
摘要:
A high temperature superconductor (HTS) synchronous motor or generator (12) includes permanent magnets (32) disposed in the rotor (24). The permanent magnets (32) can be magnetized after the rotor assembly is manufactured. The permanent magnets (32) reduce flux density perpendicular to the superconducting coil (28). The magnets can be disposed in the d-axis of the motor. The motor is particularly useful in propulsion applications.
摘要:
The invention relates to a method for setting up a superconducting bearing device including a permanent magnet portion (3, 8, 11) mounted on a rotor (1) having a vertical axis of rotation and a Type II superconductor (2, 6, 7) disposed in the permanent magnet portion's magnetic field, the permanent magnet portion (3, 8, 11) being provided on the rotor (1) so that rotation of the rotor (1) does not alter a magnetic flux's distribution about the axis of rotation of the rotor (1); the method comprises first disposing the rotor (1) at position with respect to the Type II superconductor (2, 6, 7) to permit magnetic flux from the permanent magnet to penetrate the Type II superconductor (2); thereafter moving the Type II superconductor to, and holding the Type II superconductor at a temperature for realizing a Type II superconducting state to pin all the penetrating magnetic flux as it is in the interior of the Type II superconductor (2); and thereafter removing mechanical support from the rotor.
摘要:
An AC electrical machine (10) which includes a superconducting, diamagnetic flux shield (42) enclosing the stator windings (40) such that the magnetic flux produced by the machine's rotor (16) is bottled within the flux shield (42).
摘要:
A high temperature superconductor (HTS) synchronous motor or generator (12) includes permanent magnets (32) disposed in the rotor (24). The permanent magnets (32) can be magnetized after the rotor assembly is manufactured. The permanent magnets (32) reduce flux density perpendicular to the superconducting coil (28). The magnets can be disposed in the d-axis of the motor. The motor is particularly useful in propulsion applications.
摘要:
A superconducting device, such as a superconducting rotor (10) for a generator or motor. A vacuum enclosure (14) has an interior wall (16) surrounding a cavity (18) containing a vacuum. A superconductive coil (22) is placed in the cavity. A generally-annularly-arranged, thermally-conductive sheet (28) has an inward-facing surface (32) contacting generally the entire outward-facing surface (24) of the superconductive coil. A generally-annularly-arranged coolant tube (34) contains a cryogenic fluid (36) and contacts a generally-circumferential portion of the outward-facing surface (30) of the sheet. A generally-annularly-arranged, thermally-insulative coil overwrap (38) generally circumferentially surround the sheet. The coolant tube (34) and the inward-facing surface (42) of the coil overwrap together contact generally the entire outward-facing surface (30) of the sheet.