The phenomenon of a pulsatingdirectcurrent 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。
2
An energy feedback control scheme was developed for high speed brushless directcurrent motors used in flywheel energy storage systems to restrain the pulsating torque and improve the stability.