发明名称 |
PERMANENT MAGNET TYPE MOTOR |
摘要 |
To provide a permanent magnet type motor having reduced torque ripple, in which torque ripples for electric angle sixth order and twelfth order are both reduced with a small skew angle.;Driving is performed such that phases of currents flowing in two sets of three-phase armature windings 26-1 and 26-2 are different from each other by 20 degrees to 40 degrees in electric angle. A rotor 11 is composed of m stages of rotor component units arranged in the axial direction. The m stages of rotor component units are skewed to have a stage-skew structure such that a skew angle θ (unit: degree) between the adjacent units satisfies 26/m≦θ≦43.2/m (m is an integer equal to or greater than 2) in electric angle. |
申请公布号 |
US2015357892(A1) |
申请公布日期 |
2015.12.10 |
申请号 |
US201314758298 |
申请日期 |
2013.04.22 |
申请人 |
Mitsubishi Electric Corporation |
发明人 |
NAKANO Masatsugu;HIROTANI Yu;AKUTSU Satoru;UDO Toyoaki;TAKIZAWA Yuji |
分类号 |
H02K29/03;B62D5/04;H02K3/12;H02K3/28;H02K1/27;H02K21/14 |
主分类号 |
H02K29/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
Tokyo JP |