... four-wire repeator 四线增音器，四线制强音机 four-wire three-phase system 四线三相制 four-zone four region model 四区四域模型 ...
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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。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
污水处理站供电由就近的生产接入，生产设备用电及照明采用380/220 三相四线制供电。
The power supply of wastewater treatment is connected from the nearest access. Production electricity and lighting equipment adopt 380/220 three-phase four-wire power supply.
介绍了一种基于DSP的三相四线制系统混合型电力滤波装置。
A new DSP based hybrid power filter designed under the condition of three-phase four-wire system is presented.
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