首先对低速永磁直线同步电机的异步稳态运行状态进行了分析，从理论上推导了异步稳态的电磁力的公式以及它对电机起动特性的影响。

At first, the asynchronous steady state of LPMLSM is analyzed, the formula of magnetic force under this state and the influences on motor starting is deduced in theory.

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首先对低速永磁直线同步电机的异步稳态运行状态进行了分析，从理论上推导了异步稳态的电磁力的公式以及它对电机起动特性的影响。

At first, the asynchronous steady state of LPMLSM is analyzed, the formula of magnetic force under this state and the influences on motor starting is deduced in theory.

youdao