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    • 31. 发明申请
    • SYNCHRONOUS MOTOR AND SYSTEM FOR DRIVING SYNCHRONOUS MOTOR
    • 同步电动机和同步电机驱动系统
    • US20110273128A1
    • 2011-11-10
    • US13145180
    • 2010-08-05
    • Noriyoshi Nishiyama
    • Noriyoshi Nishiyama
    • H02P25/02H02K11/00H02K3/28
    • H02K21/222H02K3/28H02K16/00H02P5/00H02P25/22H02P2207/073
    • Disclosed are a synchronous motor having reduced torque ripple while having a high torque and system for driving the synchronous motor. The synchronous motor comprises a rotor (2) and a stator (3), and U-phase coils (91; 91a, 91b, and the like), V-phase coils (92; 92ab, and the like), and W-phase coils (93; 93ac and the like) are wound around sections of the yoke each located between two adjacent stator teeth (7; 7a, 7ab, and the like). The number of turns in each coil and the direction in which each coil is wound are set to compensate for a difference between a timing at which a magnetic field produced at each stator tooth is at a maximum value and a timing at which a point between magnetic poles (10, 11, 11, and the like) passes by the stator tooth as the rotor (2) rotates, the difference in timing being caused by a difference between the interval between the magnetic poles and the interval between the stator teeth.
    • 公开了一种具有降低的转矩脉动的同步电动机,同时具有用于驱动同步电动机的高扭矩和系统。 同步电动机包括转子(2)和定子(3),U相线圈(91; 91a,91b等),V相线圈(92; 92ab等)和W- 相位线圈(93; 93ac等)缠绕在磁轭的各个位于两个相邻的定子齿(7; 7a,7ab等之间)的部分。 每个线圈中的匝数和每个线圈缠绕的方向被设置为补偿每个定子齿处产生的磁场的时刻处于最大值的时刻与磁化之间的点之间的时刻 当转子(2)旋转时,极(10,11,11等)通过定子齿,正时的差异是由磁极间的间隔与定子齿之间的间隔之差引起的。