A single-phase reluctance motor with an auxiliary starting structure and its control method

Abstract

The invention discloses a single-phase reluctance motor with an auxiliary start-up structure and a control method thereof, comprising a stator core, a rotor core, a first start-up circuit, a second start-up circuit, a rotor position detection circuit and an MCU, and a rotor iron core The core is located in the stator core, and there is an air gap between the rotor core and the stator core. There are several rotor teeth on the rotor core, and several stator teeth matching the rotor teeth on the stator core. Stator slots are formed between several stator tooth poles, an auxiliary starting mechanism is installed in the stator slots, a first coil is wound on the stator tooth poles, the first coil is connected to the first starting circuit, and the first starting circuit is connected to the The MCU is connected, the auxiliary start-up mechanism is connected with the second start-up circuit, the second start-up circuit is connected with the MCU, and the rotor position detection circuit is connected with the MCU; the present invention replaces the permanent magnet with an electromagnet, and there is no magnetic force when the power is off, reducing the reluctance of the motor The production cost and prolong the service life of the motor.

Description

technical field [0001] The invention relates to the technical field of switched reluctance motors, in particular to a single-phase reluctance motor with an auxiliary starting structure and a control method thereof. Background technique [0002] There is a problem with the single-phase reluctance motor when starting, that is, when the rotor and stator of the motor are in a certain position, the rotor will not be able to start rotating; this specific position at the time of starting is called the dead zone, and the motor rotor is in the dead zone The reason for the inability to start is that an initial force is required before the reluctance motor starts to turn. When the motor's rotor and stator are in a specific position, this initial force just cancels each other out to zero. [0003] The existing technology is to install a permanent magnet with a fixed position on the stator or casing of the motor. The position of the permanent magnet is located outside the dead zone, so ...

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly solves the problem that the reluctance motor has a starting dead zone in the prior art; provides a single-phase reluctance motor with an auxiliary starting structure and its control method, provides initial torque, solves the starting dead zone problem, utilizes Auxiliary starting mechanism instead of permanent magnet, low cost and high efficiency

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