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发明授权
CN107800334B 一种PMSM预同步同轴运行控制方法及系统 有权

一种PMSM预同步同轴运行控制方法及系统
摘要：
本发明公开了一种PMSM预同步同轴运行控制方法，其中，该方法适用于微型压缩空气储能系统，所述微型压缩空气储能系统包括第一级和第二级两个串联连接的永磁同步电动机，第一级永磁同步电动机与第二级永磁同步电动机之间依次串接有齿轮箱和离合器；其中，该方法包括：步骤1：第一级永磁同步电动机在转速控制下运行，根据第一级永磁同步电动机转速和齿轮箱的变比，得到离合器一侧的转速以及转向；步骤2：在第二级永磁同步电动机的预同步控制下匹配离合器的转速，闭合离合器以实现第一级永磁同步电动机和第二级永磁同步电动机的同轴运行。
摘要（英）：

The invention discloses a PMSM pre-synchronization coaxial operation control method. The method is applicable to a micro-type compressed air energy storage system. The micro-type compressed air energystorage system comprises a first-level PMSM and a second-level PMSM connected in series, and a gear box and a clutch are connected in sequence in series between the first-level PMSM and the second-level PMSM. The method includes: step1, the first-level PMSM operates under the control of a rotating speed, and the rotating speed and the turning of one side of the clutch can be obtained according toa transformation ratio of the rotating speed of the first PMSM to the gear box; and step2, the rotating speed of the clutch is matched under the pre-synchronization control of the second-level PMSM,and the clutch is switched on to realize coaxial operation of the first-level PMSM and the second-level PMSM.

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