The diode ACTS like a variableresistance, low when the charging current to the capacitor is high, then increasing in value as the current decreases with time.
该二极管象一个可变的电阻。当电容器的充电电流很大时,其阻值很低;而电流随时间变小时,其阻值增大。
2
The paper introduces the working principle, constitution and application of a new type liquid variableresistance starter of high power motor used in coal mine.
介绍了一种新型矿山大功率电机液体变阻启动器的工作原理、构成及应用情况。
3
The output power mechanism of a separately excited DC motor can be equivalent to a variableresistance, which is parallel with the armature winding of the motor.