A Statically Sealed HTS Excitation Flux Switching Motor

Abstract

Disclosed is a novel static sealed high-temperature superconductive excitation magnetic flux switching motor. The novel static sealed high-temperature superconductive excitation magnetic flux switching motor comprises a stator and rotors from outside to inside, wherein the inner side of the stator is uniformly and alternately wound with stator teeth and stator non-ferromagnetic supporting parts in the circumferential direction; the stator teeth and the stator non-ferromagnetic supporting parts are radially arranged in pairs; the stator teeth are wound with armature windings; the stator non-ferromagnetic supporting parts are wound with high-temperature superconductive excitation windings; and the rotors are separated through rotor non-ferromagnetic supporting parts to form segmented rotor iron cores which are uniformly and alternately wound in the circumferential direction. According to the novel static sealed high-temperature superconductive excitation magnetic flux switching motor, the non-ferromagnetic material is adopted to fix the high-temperature superconductive excitation windings, so that the area of armature winding slots is enlarged, the electric load of the motor is increased, and the motor power density is improved; meanwhile, the rotor side also adopts the non-ferromagnetic material to support the segmented rotor structure, so that a large amount of ferromagnetic material is saved, and the weight of the motor is lowered; and in addition, the dosage of the ferromagnetic material is reduced, so that the iron consumption of the motor is greatly lowered and the motor efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a statically sealed high-temperature superconducting excitation flux switching motor whose excitation winding adopts a non-ferromagnetic material support structure. Background technique [0002] With the rapid development of high-temperature superconducting technology, high-temperature superconducting materials have been extensively and deeply studied in the fields of motors, flywheel energy storage, and magnetic levitation. At present, the superconducting excitation winding of the rotor-excited superconducting motor is placed on the rotor side, and the stator generally adopts an air-core stator structure, and the stator teeth are made of high-strength non-ferromagnetic support materials, which avoids the magnetic saturation of the teeth in conventional motors , suitable for strong magnetic load operating conditions, and the supporting material is very thin, which saves the space ...

AI Technical Summary

Problems solved by technology

However, since the armature winding and excitation winding of this type of statically sealed high-temperature superconducting motor are placed on the stator side, and the stator and rotor teeth are made of ferromagnetic materials to provide a magnetic flux path, the space of the stator of this type of superconducting motor is tight, limiting The further improvement of the power density of this type of superconducting motor

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