为解决现有电力载波通信系统中线路阻波器、结合滤波器的性能测试方法中存在的问题，提出了一种集自动测试、高速采样和数据处理于一体的新型智能式测试系统方案。
The measurement and examination of wave trap coil and coupling filter used for power line carrier communication system are an important part to ensure the electric power system operating normally.
本文重点讨论了梳齿滤波器的工作原理，给出计算公式，还对设计的线路进行了具体分析。
This paper, discusses mainly the principles of comb filter, shows it's calculating formula and details the circuit of the design as well.
所述单元块用于制造磁芯，该磁芯应用于PFC（功率因数校正）用有源滤波器、三相线路电抗器或汽车电子设备所用的电感器。
The unit block is used to produce cores applied to an active filter for PFC, a three-phase line reactor, or an inductor for automotive electronics.
为了减小这种干扰，在直流输电线路为架空线路的时候，需要加装直流滤波器。
In order to decrease this disturbance, it is necessary to add DC filters when the DC transmission lines are built on stilt.
结果表明，任何运行方式下直流滤波器的投运均使线路等效干扰电流基本符合要求，直流系统可维持稳定运行。
As a result, the equivalent disturbing current can meet the requirement with all DC filters in service in any operation mode so that DC system can operate well steadily.
结果表明，任何运行方式下直流滤波器的投运均使线路等效干扰电流基本符合要求，直流系统可维持稳定运行。
As a result, the equivalent disturbing current can meet the requirement with all DC filters in service in any operation mode so that DC system can operate well steadily.
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