Full-superconducting claw-pole motor adopting liquid hydrogen spray cooling

Abstract

The invention belongs to the technical field of motors, and relates to a full-superconducting claw-pole motor adopting liquid hydrogen spray cooling, the motor comprises a rotor structure (100), a stator structure (200), a vacuum heat insulation structure (300), a superconducting armature winding (400), a superconducting excitation winding (500), a liquid hydrogen spray cooling structure (600) andan axial dual-channel flux loop (700), the superconducting cooling difficulty is reduced by the aid of the static superconducting excitation winding and the superconducting armature winding, the airgap flux density is increased by the aid of superconducting electric excitation of the axial double-channel flux loop, a rotor claw pole magnetic conduction structure is suitable for high-rotating-speed operation, the latent heat of vaporization of liquid hydrogen is brought into full play by liquid hydrogen spray cooling, and accordingly the full-superconducting motor is compact in cooling structure, and the power density of the motor is improved.

Description

Technical field: [0001] The invention belongs to the technical field of motors, and more specifically relates to a fully superconducting claw-pole motor cooled by spraying liquid hydrogen. Background technique: [0002] Multi-electric aircraft and all-electric aircraft are the trend of aviation development in the future, and motors are the key guarantee for realizing electric flight. Fully superconducting motors have the advantages of high reliability, high power density, and high efficiency, and are the preferred solution for realizing electric aviation. [0003] Most of the traditional full superconducting motors use rotor superconducting excitation, and the superconducting power supply is powered by slip rings. At the same time, the superconducting motor is affected by the centrifugal force, and the power performance will be attenuated, which will affect the performance of the full superconducting motor, resulting in the failure of the full superconducting motor. It work...

AI Technical Summary

Problems solved by technology

[0003] Most of the traditional full superconducting motors use rotor superconducting excitation, and the superconducting power supply is powered by slip rings. At the same time, the superconducting motor is affected by the centrifugal force, and the power performance will be attenuated, which will affect the performance of the full superconducting motor, resulting in the failure of the full superconducting motor. Work at high speed, unable to meet the needs of aviation motors working at high speed

Moreover, the cooling of full superconducting motors generally adopts low-temperature immersion cooling or low-temperature conduction cooling, but the auxiliary structure of immersion cooling and conduction cooling is too large for the motor, which greatly reduces the high power density gain effect of full superconducting motors

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