Asynchronous starting rotor of half-magnetic-sheet permanent-magnetic synchronous motor

Abstract

The invention relates to an asynchronous starting rotor of a half-magnetic-sheet permanent-magnetic synchronous motor, and in particular relates to a rotor which is applied to the permanent-magnetic synchronous motor. In one pair of magnetic poles, only one permanent magnet is used as a magnetic pole, a salient pole of a rotor iron core is used as the other magnetic pole, the rotor is identical to a two-pole rotor, and in a quadrupole rotor and a sextupole rotor, the permanent magnet with identical polarity is used as a magnetic pole. A plurality of outer ring mouse cage grooves and inner ring mouse cage grooves are respectively arranged inn a magnetic pole trough below the salient pole of the rotor iron core and the permanent magnet, an outer ring mouse cage conducting bar and an inner ring mouse cage conducting bar are respectively installed inside the outer ring mouse cage trough and the inner ring mouse cage trough, and an asynchronous torque is generated by the outer ring mouse cage conducting bar and the inner ring mouse cage conducting bar when the permanent magnetic synchronous motor is started. The asynchronous starting motor of the half-magnetic-sheet permanent-magnetic synchronous motor is simple in structure, less in consumption of permanent magnets and suitable for producing the small-sized permanent magnetic synchronous motor. The asynchronous starting can reduce the cost of the motor control equipment, and the synchronous operation can improve the operation efficiency of the motor.

Description

technical field [0001] The invention relates to an asynchronous starter rotor of a semi-magnetic sheet type permanent magnet synchronous motor, which relates to a rotor applied to a permanent magnet synchronous motor, in particular to a semi-magnetic sheet type permanent magnet synchronous motor rotor capable of asynchronous starting. Background technique [0002] Motors are divided into control motors and drive motors according to their application. The rotor speed of the control motor is controlled by the input signal and can respond quickly. It is used as an actuator in the automatic control system, and the most representative one is the servo motor. The drive motor is only used to provide relatively smooth mechanical power. Many types of electric motors have the performance requirements of both types of electric motors. For example, Y series three-phase asynchronous motors and permanent magnet synchronous motors. Compared with asynchronous motors, permanent magnet sy...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects of the traditional built-in rotor with complex structure and not suitable for small and medium-sized motors, and provide a semi-disc rotor of permanent magnet synchronous motor with simple structure, asynchronous start and large starting torque

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