Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单，只有三组开关器件。
An active semiconductor device with three electrodes that may be either an amplifier or a switch.
一种有源半导体器件，有三个电极，可以是放大器。
An active semiconductor device with three electrodes that may be either an amplifier or a switch.
一种有源半导体器件，有三个电极，可以是放大器。
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