These high frequencies correspond to the rotation speeds of centrifuges; America tightly controls the export of frequencyconverter drives able to operate at frequencies above 600 Hz.
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequencyconverter.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
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All these requirements order operation switch, valves, and corresponding control frequencyconverter to complete.