Method applying wireless electric power transmission and magnetic force transmission on superconductive motor

Abstract

The invention discloses a method applying wireless electric power transmission and magnetic force transmission on a superconductive motor; a frequency converter converts a power frequency power supply into a radio frequency power supply; a transmitting coil emits radio frequency signals; a receiving coil having consistent resonant frequency with the transmitting coil uses coupling resonance induction to form AC current; a rectification inversion unit supplies obtained current to a stator coil so as to form a rotary magnetic field; a rotor winding forms induction current and forms a magnetic field, and the formed magnetic field and the stator rotary magnetic field can mutually work to form a torque; the torque is transmitted to an external load through a magnetic force transmission device. The method uses the wireless electric power transmission technology to transmit the electric power to the stator coil, thus forming the rotary magnetic field in a motor air gap; the magnetic force transmission device can transfer the rotor output torque to the load, thus effectively prevent heat leakage load caused by a current feeder and a machinery transmission shaft, reducing refrigeration requirements on a refrigerating machine, reducing refrigeration system cost and motor operation cost, optimizing a motor system structure, reducing the motor size, and realizing a compact structure.

Description

technical field [0001] The invention relates to the technical field of high-temperature superconducting motors, in particular to a method for applying wireless power transmission and magnetic transmission to superconducting motors. Background technique [0002] The development of high-temperature superconducting materials and high-temperature superconducting technology has greatly promoted the research and development of high-temperature superconducting motors. High-temperature superconducting motors use high-temperature superconducting (HTS) material windings to replace the normally conductive copper windings in the normally conducting motors. Using the characteristics of high-temperature superconducting materials with zero resistance at critical temperature and critical current, the superconducting motor windings can be The current-carrying capacity is greatly improved, so that the motor can generate a large magnetic field with almost no Joule loss, so the high-temperature...

AI Technical Summary

Problems solved by technology

[0003] Traditional superconducting motors use current transmission lines to transmit three-phase electricity to the three-phase windings of the stator, thereby forming a rotating magnetic field in the air gap of the motor. The current transmission line connects the room temperature end and the low-temperature superconducting winding end, which is the main source of...

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