Mixed excitation magnetoelectric machine adopting harmonic excitation

A technology of harmonic excitation and mixed excitation, which is applied to synchronous motors with stationary armatures and rotating magnets, electric components, electrical components, etc., can solve problems such as inability to achieve brushless, heavy motor maintenance workload, etc., to achieve Low excitation loss, simple structure, and high reliability

Active Publication Date: 2010-02-17
浙江清岭科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The motor magnetic circuit of this solution is similar to the traditional motor, and the structure is simple, but the rotor electric exc...

Method used

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  • Mixed excitation magnetoelectric machine adopting harmonic excitation
  • Mixed excitation magnetoelectric machine adopting harmonic excitation
  • Mixed excitation magnetoelectric machine adopting harmonic excitation

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Embodiment

[0031] Depend on figure 1 , 2 , 3, it can be seen that the hybrid excitation permanent magnet motor adopting harmonic excitation of the present invention includes a casing 1, a stator core 2 is arranged in the casing 1, a slot 9 is slotted along the circumferential direction on the stator core 2, and a stator is arranged in the slot 9 Winding 3, stator winding 3 is composed of stator main winding 11 and stator harmonic excitation winding 12. The casing 1 and the stator core 2 are fixed. A rotating shaft 6 is disposed inside the casing 1 , and the rotating shaft 6 is connected to the casing 1 through a bearing 15 . The rotor core 7 is arranged on the rotating shaft 6, the permanent magnet pole 4 and the ferromagnetic pole 5 are arranged on the rotor core 7, the ferromagnetic pole 5 is slotted 10, and the rotor winding 8 is arranged in the slot 10, and the rotor winding 8 is composed of the rotor excitation winding 13 and The rotor harmonic winding 14 is composed. The rotor ...

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Abstract

The invention discloses a mixed excitation magnetoelectric machine adopting harmonic excitation, comprising a machine shell (1), a stator core (2), a stator winding (3), a permanent magnet pole (4), aferromagnetic pole (5), a rotating shaft (6), a rotor core (7) and a rotor winding (8), wherein, a rotor magnet pole is composed of the permanent magnet pole (4) and the ferromagnetic pole (5) whichis provided with the rotor winding (8); the rotor winding (8) consists of a harmonic winding (14) and an excitation winding (13); the stator winding (3) comprises a main winding (11) and a harmonic excitation winding (12), and is distributed in a stator groove; the pole distance of the main winding and the pole distance of the rotor excitation winding are identical; the pole distance of the harmonic excitation winding and the pole distance of the rotor harmonic winding are identical; the harmonic excitation winding is connected with an excitation controller; when the motor runs, the current inthe harmonic excitation winding can be controlled to achieve the functions of adjusting magnetic field and voltage. Compared with the prior art, the invention has no electric brush, collecting electric ring, additional air gap, axial magnetic circuit, has simple structure, little magnetic-flux leakage, less excitation loss, high efficiency of the motor and strong ability of adjusting the main magnetic field.

Description

technical field [0001] The invention relates to a permanent magnet motor, in particular to a hybrid excitation permanent magnet motor adopting harmonic excitation. Background technique [0002] With the continuous improvement of the performance of permanent magnet materials and the continuous decline of prices, the use of permanent magnet materials in motors has become increasingly widespread. The use of permanent magnet materials brings many advantages to the motor: high power density, small size, light weight, high efficiency, brushless, simple structure, high reliability, and flexible structure. The research on permanent magnet motors has been a hot spot in the field of motor research for many years. Therefore, all countries in the world have invested a lot of manpower, material resources and financial resources in the research and development of permanent magnet motors, and many motors with new structures have appeared. However, there are still some difficulties in the ...

Claims

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Application Information

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IPC IPC(8): H02K21/14H02K1/26H02K1/27H02K3/00
Inventor 王善铭夏永洪王祥珩苏鹏声
Owner 浙江清岭科技有限公司
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