The simulation results prove that the three-phase phase-locked loop can work well in disturbance situation and variable frequency system when the frequency of the inputs is variable.
并对相位突变和频率突变的情况进行了仿真研究，说明在相位和频率发生变动时三相锁相环仍能有效地锁定相位，能够满足系统变频的要求。
This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.
本文是两年来研制动压气浮陀螺驱动马达锁相式速度控制系统的技术总结。
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