With the increasing of rapid agitate strength, coagulant residue and filter impedance index STI of the precipitated water would improve more remarkably than turbidity.
并且伴随快速搅拌强度的增大，与沉后水浊度相比，混凝剂残余量及过滤阻抗系数改善更加显著。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.
针对高压交流配电系统，提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。
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