... VRAM Voltage-Control 压变频器 variable voltage speed control 变压调速 voltage quality control 无功控制 ; 控制 ; 电压无功控制 ...
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Being a simple and reliable speed control system for AC inductive motors, the device features better performance than AC variable voltage speed control system does.
本装置的性能优于交流调压调速系统，是一种简单而可靠的交流绕线式电动机转速控制系统。
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
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