3-phase 4-wire system 三相四线系统
3-phase 4-wire converter 三相四线制变换器
3-phase 4-wire active power filter 三相四线制有源电力滤波器
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
当故障发生在3相4线系统中的一相时，其它两相的对地电压就升高（约升高20%）。 好评（0）
The system adopts Unified Constant-Frequency with Vector Operation, to design 3-phase 3-wire parallel active power filter(PAPF).
系统采用基于矢量运算的恒频积分算法，设计三相三线并联型有源电力滤波器PAPF。
A new detection method for random harmonic current which was suitable for 3-wire and 3-phase unbalance system was put forward.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
应用推荐