A three-phase alternating current motor for a medium-high power device and a medium-high power device

A three-phase AC, high-power technology, applied in the field of motors, can solve problems such as unreliable performance, high cost, and poor fault tolerance

Active Publication Date: 2019-01-08
WUXI SINE POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the purpose of the present invention is to provide a three-phase AC motor for medium and high power devices and a medium and high power device. It proposes the structural design of multiple winding units respectively arranged on different stator teeth, which effectively solves the problem of single Large-capacity drives have the problems of unreliable performance, high cost, and poor error tolerance. At the same time, the winding process is simple and will not increase the standard for stator insulation performance; it is especially used in medium and high-power devices with input power not less than 1KW

Method used

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  • A three-phase alternating current motor for a medium-high power device and a medium-high power device
  • A three-phase alternating current motor for a medium-high power device and a medium-high power device
  • A three-phase alternating current motor for a medium-high power device and a medium-high power device

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Embodiment 1

[0104] This embodiment 1 proposes an electric vehicle, including an electric vehicle installation frame and a motor drive system that are installed and connected as one. Specifically, in this embodiment, the electric vehicle is an electric motorcycle, and its input power ranges from 400W to 10KW. Preferably, the input power range is 1KW-10KW, and within the range of medium and high-power electric vehicles, the technical effect of the present invention will be even greater;

[0105] See Figure 14 As shown, the motor drive system in this embodiment includes a three-phase AC motor and a controller group for controlling the three-phase AC motor. Specifically, preferably, in Embodiment 1, the three-phase AC motor is a permanent magnet motor, More specifically, in this embodiment, a permanent magnet synchronous hub motor is used;

[0106] See figure 1 The shown permanent magnet synchronous hub motor 100 includes a stator 20 integrally connected with the motor shaft 10, a permanen...

Embodiment 2

[0134] Embodiment 2: The remaining technical solutions of this embodiment 2 are the same as those of embodiment 1, the difference being that: in this embodiment 2, the electric vehicle is an electric two-wheeled vehicle; wherein, the output power range of the permanent magnet synchronous hub motor is 180W-1.5 KW, the speed range of normal operation is 500-1000 rpm, and the input current range of each winding unit is 1-100A; the specific size specification, number of stator slots and number of permanent magnet steel pieces of permanent magnet synchronous hub motor can be determined according to The above-mentioned functional parameters of the permanent magnet synchronous hub motor required by this embodiment 2 are used to make a specific selection, specifically, the permanent magnet synchronous hub motor for electric two-wheeled vehicles of the prior art can be selected;

[0135]Although this embodiment 2 can also reduce the capacity of the motor driver, since the input power of...

Embodiment 3

[0136] Embodiment 3: the remaining technical solutions of this embodiment 3 are the same as those of embodiment 1, the difference being that: in this embodiment 3, the electric vehicle is an electric tricycle; wherein, the output power range of the permanent magnet synchronous hub motor is 250W-15KW, More preferably, the output power range is 1KW-15KW, the speed range during normal operation is 500-2000 revolutions per minute, and the input current range of each winding unit is 10-200A; specifically preferably, in this embodiment, the permanent The output power of the magnetic synchronous hub motor 100 is 10KW, the speed range during normal operation is 800-1200 revolutions per minute, and the input current of each winding unit is 30A, wherein, the specific dimensions and specifications of the permanent magnet synchronous hub motor of the present embodiment 3 Specific selections can be made according to the above-mentioned functional parameters of the permanent magnet synchrono...

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Abstract

The invention discloses a three-phase alternating current motor for medium and high power device and a medium and high power device, wherein the stator of the three-phase alternating current motor hasa stator slot of the multiples of 3 * n, n is a positive integer greater than 0 and not 1; The stator groove is formed by every two adjacent stator teeth; Wherein the stator comprises two or more winding units, each winding unit is respectively wound on different stator teeth; Each of the winding units is electrically connected with a motor driver unit corresponding to the winding units, and themotor driver units are used for controlling the operation of the winding units electrically connected with the winding units corresponding to the winding units; The input power of the medium and highpower device is not less than 1KW; The invention effectively solves the problems of unreliable performance, high cost and poor fault tolerance of a single large-capacity driver, and the winding process is simple, and the stator insulation performance requirement standard is not increased.

Description

technical field [0001] The invention belongs to the field of electric motors, and in particular relates to a three-phase AC motor for a medium and high-power device, and also relates to a medium and high-power device applied to the three-phase AC motor. Background technique [0002] Just as the Chinese invention patent application with the publication number CN102497055A records in its background technology: traditional motors, especially medium and high-power motors, as an important component of the motor drive system, generally use a single large-capacity power driver to directly drive the motor in practical applications. Or use multiple small-capacity drivers to drive the motor in parallel, which is to combine multiple small-capacity drivers into a large-capacity driver; the driver can be directly connected to the motor, and the structure is simple, but because the traditional motor is a single set of winding structure, the large-capacity driver and In the complex applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K3/12H02K3/28H02P5/74H02P29/028
CPCH02K1/165H02K3/12H02K3/28H02K2213/03H02P5/74H02P29/028H02P29/032Y02T10/64
Inventor 周建华李玉刚卜言柱花为刘亚军胡宜豹何金城刘竹园李升程兴张力胡金龙周维王伟王庆丁建国庾杰
Owner WUXI SINE POWER TECH CO LTD
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