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High-temperature superconducting induction motor stator

An induction motor and high-temperature superconducting technology, which is applied to electrical components, electromechanical devices, electric components, etc., can solve the problems of large pulsating torque, low superconducting winding coefficient, and difficulty in superconducting coil arrangement and fixing. The effect of running instability, avoiding eddy current loss problems, optimizing the difficult effect of the superconducting coil fixing structure

Active Publication Date: 2016-10-26
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to solve the problem of superconducting coil arrangement structure and fixation in the stator slot and the problem that the superconducting winding coefficient is too low to generate large pulsating torque, and to provide a high temperature superconducting induction motor stator structure

Method used

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Embodiment Construction

[0034] The present invention is described in detail in conjunction with the accompanying drawings.

[0035] A high temperature superconducting induction motor stator, referring to figure 1 , figure 2 , the high temperature superconducting induction motor stator includes: a stator core 1 and pressure rings on both sides thereof, a racetrack-shaped superconducting stator coil, and a frame, and the racetrack-shaped superconducting stator coil is fixed in the slot of the stator core.

[0036] The stator core 1 has first, second, third, fourth, fifth, sixth opening rectangular slots 1-1, 1-2, 1-3, 1-4, 1-5, 1- 6, and the bottom of the groove is chamfered. The racetrack superconducting stator coils include first, second, third, fourth, fifth and sixth racetrack superconducting stator coils 2-1, 2-2, 2-3, 2-4, 2 -5, 2-6.

[0037] Lay the B12 surface on one side of the straight line part of the first racetrack-shaped superconducting stator coil 2-1 with the C11 surface of the fir...

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Abstract

The invention relates to a high-temperature superconducting induction motor stator. First to sixth parts of the stator structure are respectively placed in first to sixth opened rectangular grooves; first two sixth copper coils are respectively embedded at the notches of the first to sixth opened rectangular grooves; the parts, extending out of the end part of a stator core (1), of the first to sixth copper coils circumferentially and respectively bend along the inner diameter of the stator core (1) so as to prevent end coils from intersection, and cannot contact first to sixth superconducting coils. According to the stator, the problem that relatively large pulsating torque is generated as the arrangement and fixation of the superconducting coils in a stator slot are difficult and the superconducting winding coefficients are too low overcome, superconducting coil fixing frames are prevented from generating eddy-current loss, the superconducting cooling cost is reduced, the volume and weight of a superconducting motor are greatly decreased, and the power factor and efficiency of the motor are improved.

Description

technical field [0001] The invention relates to a stator of a high temperature superconducting induction motor. Background technique [0002] The superconducting motor arranges the superconducting windings in the stator slots, while the ordinary superconducting motor arranges the superconducting windings in the rotor slots, which brings about the dynamic sealing problem of the cooling system. Due to the limitation of the radius of curvature of the superconducting strip when making racetrack superconducting coils, a non-stacked winding structure with fewer slots per pole and phase is generally used, so the arrangement of superconducting coils in the stator slots is limited, resulting in If the winding coefficient of the superconducting induction motor is too low, a large pulsating torque may be generated, which makes it difficult to fix the superconducting coil in the stator slot, and the performance of the superconducting motor is greatly reduced. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K1/18H02K3/12
CPCH02K1/16H02K1/165H02K1/187H02K3/12
Inventor 方进刘斌
Owner BEIJING JIAOTONG UNIV
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