The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内,对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field.
在低场范围中,电流随时间的变化,可以是模拟的幂指数的衰减,并与所施加的电场的增加的衰减系数拟下降。
In range of low input voltage, the step of accelerating a low energy electron to a high energy electron with electric field is rate controlling of the discharge chemical reaction of co and H_2.
在低输入电压范围内,电场加速低能电子成为高能电子的过程为反应控制步骤。
In range of low input voltage, the step of accelerating a low energy electron to a high energy electron with electric field is rate controlling of the discharge chemical reaction of co and H_2.
在低输入电压范围内,电场加速低能电子成为高能电子的过程为反应控制步骤。
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