Forward and reverse motor for improving forward and reverse efficiency, and control method thereof

A technology of forward and reverse motors and control methods, applied in the direction of AC motor control, control systems, electrical components, etc., to achieve high efficiency

Pending Publication Date: 2019-06-14
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention provides a forward and reverse motor with improved forward and reverse efficiency and its control method, so as to at least solve the problem that the forward and reverse motor cannot achieve high efficiency in both forward and reverse directions in the related art

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  • Forward and reverse motor for improving forward and reverse efficiency, and control method thereof
  • Forward and reverse motor for improving forward and reverse efficiency, and control method thereof
  • Forward and reverse motor for improving forward and reverse efficiency, and control method thereof

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Embodiment Construction

[0038] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. It will be apparent to those skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention.

[0039] It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and...

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PUM

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Abstract

The invention provides a forward and reverse motor for improving forward and reverse efficiency, and a control method thereof. By adopting the forward and reverse motor having a first winding and a second winding and a third winding both having the phase differences differing for 90 degrees of that of the first winding, and a switching circuit, the switching circuit connects the first winding as the main winding and the second winding as the secondary winding to the working circuit of the motor, or connects the third winding as the main winding and the first winding as the secondary winding tothe working circuit of the motor, thereby ensuring that the parameters of the number of turns, wire diameters and resistances of the main winding and the secondary winding in each case can be separately designed when the motor rotates forwards or reversely to ensure high efficiency of the motor in both forward and reverse rotations, which solves the problem that the forward and reverse motor cannot reach high efficiency in forward and reverse directions in the related art.

Description

technical field [0001] The invention relates to the field of motor control, in particular, to a forward-reverse motor and a control method thereof for improving forward-reverse efficiency. Background technique [0002] At present, most of the single-phase capacitor-run asynchronous AC motors (referred to as motors) can only rotate in one direction, and cannot be applied to occasions that require both forward and reverse rotations. [0003] In the related art, a forward and reverse rotation control circuit is disclosed. The forward and reverse rotation motor includes two windings with a phase difference of 90 degrees. Switch between the running winding) and the secondary winding (also known as the starting winding) to provide the motor with a forward starting angle or a reverse starting angle. figure 1 It is a circuit topology diagram of a forward and reverse motor system according to the related art. [0004] figure 1 The single-phase asynchronous motor shown has two sets...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P25/04H02P25/18
Inventor 杜进金国华奚明耀陈生劳家卓李章玉钟世锋高雷邬锐吴兴鑫
Owner GREE ELECTRIC APPLIANCES INC
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