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Motor and its energy conversion device

An energy conversion device and electrical angle technology, applied in the field of electronics, can solve the problems of low working performance and large energy loss of the motor, and achieve the effect of solving the large energy loss, improving the control ability and reducing the energy loss.

Active Publication Date: 2022-04-15
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 its energy conversion device
  • Motor and its energy conversion device

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Embodiment Construction

[0033] In order to make the objects, technical solutions and advantages of the present application, the present application will be described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended to explain the present application and is not intended to limit the present application.

[0034] The implementation of the present application will be described in detail below with reference to the specific drawings:

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

[0036] Specifically, the motor coil 211 includes an X-sleeve, wherein X ≥ 1 and X is an integer, and the phase X wrap phase is m. x Phase, by using motor vector to control each set of M x Both the phase winding can operate the motor, in each of the windings of the X-wrap, each phase winding includes N x Circle branch, each phase winding N x The ...

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Abstract

The invention relates to the field of electronic technology, and provides a motor and an energy conversion device thereof. The motor includes a motor coil, and the motor coil includes x sets of windings; the number of phases of the xth set of windings is m x phase; in each set of windings of x sets of windings, each phase winding includes n x coil branches; n of each phase winding x The first end of each coil branch of a coil branch and the first end of the coil branch separated from the coil branch by an electrical angle of 360 degrees are connected together to form m x phase terminals; n of each phase winding x The second end of each coil branch in a coil branch is also separated from the coil branch by P*(360*k 1 +360 / m x ) the second ends of the coil branches of degrees electrical angle are connected to form n x neutral point; among them, n x ≥m x ≥2,n x ≥3, p=±1, 1≤k 1 ≤(n x ‑1), m x , n x 、k 1 is an integer. Through the implementation of the present invention, the problem that the motor coil in the prior art is not conducive to controlling the current ripple and reducing the 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 Patents(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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