两支承间有两个转子铁芯的电动——发电机组，由于两个电机的相互影响，使电机的总挠度增大。
Motor converter with two rotor cores between the two Supports makes their total deflection increased, since the motor and the generator will affect each other.
而挠性转子在接近或超过其第一、二阶临界转速时，转子处于共振状态，这时动挠度达到很大的数值。
The dynamic deflection may become very large due to resonance in case of the flexible rotor speed approaching or exceeding its 1st or 2nd order critical speed.
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