The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
发现了手摇交流发电机演示实验中出现脉动直流电的奇异现象并对此作出了合理的解释。
An energy feedback control scheme was developed for high speed brushless direct current motors used in flywheel energy storage systems to restrain the pulsating torque and improve the stability.
为抑制飞轮储能系统驱动电机——高转速无刷直流电机能量回馈时的转矩脉动，提高系统的稳定性，提出一种适合高转速飞轮储能单元回馈制动的控制方法。
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