... speed regulation ratio 调速比 speed up ratio 增速比 Speed Down Ratio 之减速比 ...
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Ratio speed regulation 调速比
speed-ratio regulation 速比调节
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Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
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