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Motor and energy conversion device thereof

An energy conversion device and electric angle technology, which is applied in the electronic field, can solve the problems of large energy loss and low working performance of the motor, and achieve the effects of solving large energy loss, improving control ability, and reducing energy loss

Active Publication Date: 2021-03-05
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of this application is to provide a motor, which aims to solve the problems of large energy loss and low working performance of the motor caused by the motor coils in the prior art

Method used

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  • Motor and energy conversion device thereof
  • Motor and energy conversion device thereof
  • Motor and energy conversion device thereof

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Embodiment Construction

[0033] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0034] The implementation of the present application is described in detail below in conjunction with specific drawings:

[0035] An embodiment of the present application provides a motor 21 , and the motor 21 includes a motor coil 211 .

[0036] Specifically, the motor coil 211 includes x sets of windings, where x≥1 and x is an integer, and the number of phases of the xth set of windings is m x phase, by using motor vector control for each set of m x Each phase winding can make the motor run, and in each set of windings of x sets of windings, each phase winding includes...

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Abstract

The invention relates to the technical field of electronics, and provides a motor and an energy conversion device thereof. The motor comprises a motor coil, and the motor coil comprises x sets of windings; the phase number of the xth set of windings is mx; in each set of windings of the x sets of windings, each phase of winding comprises nx coil branches; the first end of each of the nx coil branches of each phase of winding is connected with the first end of the coil branch spaced by a 360-degree electrical angle with the coil branch to form mx phase endpoints; the second end of each of the nx coil branches of each phase of winding is also connected with the second end of the coil branch spaced by a P x (360 x k1 + 360 / mx)-degree electrical angle with the coil branch to form nx neutral points; and nx>=mx>=2, nx>=3, p=+ / -1, 1<=k1<=(nx1), and mx, nx and k1 are integers. Through the implementation of the invention, the problems that a motor coil in the prior art is not beneficial to controlling current ripples and reducing loss can be solved.

Description

technical field [0001] The application belongs to the field of electronic technology, and in particular relates to a motor and an energy conversion device thereof. Background technique [0002] In recent years, with the continuous development of electric vehicle technology, the market's acceptance of electric vehicles has continued to increase, and motors, as the core technology in electric vehicles, have received widespread attention. [0003] At present, the motor coils in the motor are generally composed of several phase coils, the first ends of the coils of each phase are connected together to form a common contact of the motor coils, and the second ends of the coils of each phase are connected to the drive circuit. Although the existing motor coil structure can realize the driving process of the motor, when the existing motor coil passes through the current, there will be a mutual inductance effect between the coils of each phase, which reduces the inductance that can b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K3/04H02K3/28B60L15/20H02J7/00H02J7/02H02P27/08
CPCH02K3/04H02K3/28B60L15/20H02J7/0068H02P27/08B60L2240/429Y02T10/64Y02T10/72B60L2220/58H02K2213/03H02P21/50H02P25/22H02J7/02H02M1/14H02M7/797
Inventor 谢飞跃刘长久李吉成胡磊郑益浩
Owner BYD CO LTD
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