介绍了飞轮转动惯量的计算与主电机功率的确定，使之达到一个合理的匹配，从而达到节能的效果。
The computation of the flywheel moment of inertia and the determination of the main motor power have been introduced, which makes the match of them are reasonable with more energy-saving effect.
该电动机具有转动平稳、功率因数高、噪声低等特点。
The motor has characteristics of placid rotation, high power factor and low noise.
励磁电流与传递力矩、单位转动惯量传递的力矩等成指数关系，与功率损耗成负指数关系。
The exciter current an exponential relationship with transmitted torque, torque by unit moment of inertia and viscous power loss.
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