value of inductor 电感大小
The results obtained show that the passive approach described here can comply with the required specifications if a proper inductor value of the filter is selected.
结果表明，如果设计适当的滤波电感值，本文所述的无源功率因数校正方法可以满足标准所要求的规定。
In the low frequency range (1 Hz to 1 MHz), however, the inductor value becomes very large and the inductor itself gets quite bulky, economical production difficult.
然而，在低频范围(1hz至1mhz)中，电感器值变得非常大，并且电感器本身变得非常庞大，经济的生产困难。
For it, the 47 millihenry inductor is a standard value unit.
对于它来说，47毫安电感器是标准值单位。
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