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通过分析电动机电磁转矩的数学模型,推导出电动机在短时过载的电磁转矩的基本表达式,研究分析了电机在过载状态时电磁转矩的规律,指出了电动机转速不稳定的原因,提出了高压电动机在短时过载情况下稳定运行的思路与基本解决方法。
By analyzing the mathematical model of the electromagnetic torque of the motor, the basic expression of the electromagnetic torque of the motor in short-term overload is deduced. The law of the electromagnetic torque in the overload state of the motor is analyzed. The reason of the instability of the motor speed is pointed out. High-voltage motor in the case of short-term overload stable operation of the ideas and basic solutions.