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High-power electric motor for parallel control of winding

A high-power, winding technology, which is applied in the direction of connecting with the control/drive circuit, can solve the problems of the consistency of power devices and other issues, and achieve the effects of improving stability and reliability, reducing production costs, and avoiding burnout

Pending Publication Date: 2017-11-03
BIJIE TIANYU POWER TECH
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  • Summary
  • Abstract
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  • Application Information

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Problems solved by technology

However, due to the impact of the consistency of power devices, this solution needs to solve the technical problem of current sharing.

Method used

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  • High-power electric motor for parallel control of winding
  • High-power electric motor for parallel control of winding

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] See image 3 as shown, image 3 It is a circuit diagram of a high-power motor realizing winding parallel control according to Embodiment 1 of the present invention. Such as image 3 As shown, the motor 10 disclosed in this embodiment includes multi-phase windings 11 , such as m-phase windings, where m is greater than or equal to 1. Each phase winding 11 includes at least two winding branches 111 , that is, each phase winding 11 includ...

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Abstract

The invention discloses a high-power motor for realizing parallel control of windings. The motor includes multi-phase windings, and the windings of each phase are composed of n winding branches and 2n power devices; wherein, the n winding branches are connected to each other connected in parallel, each of the winding branches is independently controlled by the power device. The invention solves the technical problem of using a low-power power device to control a high-power motor, and the motor has higher reliability and stability in operation.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a high-power motor that realizes winding parallel control. Background technique [0002] In the control of electric motors, it is often necessary to use power devices such as insulated gate bipolar transistors (IGBTs), metal-oxide semiconductor field effect transistors (MOSFETs), power transistors (GTRs) or integrated gate commutated thyristors (IGCTs) . Such as figure 1 As shown, each phase winding of the motor consists of 2 independent power devices and 1 independent phase winding. After the current flows in through point E, the conduction or non-conduction control of each phase of the motor is realized by controlling the power device. However, in the control of high-power motors, high-power power devices are required, and it is often difficult to find suitable high-power power devices due to the lack of types, and the price is expensive. [0003] In order to solve the above...

Claims

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Application Information

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IPC IPC(8): H02K11/33
CPCH02K11/33
Inventor 殷天明王艳
Owner BIJIE TIANYU POWER TECH
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