变速发电机 meaning in English

variable speed generator
variable-speed generator

In the dynamic model of the generator , through the research of its dynamic characteristics and control strategies , dynamic models adapted for control design of fixed speed and variable speed wind turbines are built and relevant simulation analysis means are established
发电机的动态建模部分通过研究其控制策略和动态特性，建立了适应于风力机控制设计的两种动态模型，即定速发电机模型和变速发电机模型，确定了相应的仿真分析方法。