passive filter

For requirements of suppressing harmonics on the dc side of HVDC system, a new hybrid filtering system a shunt passive and a small rated reactor transformer coupling series active filter is presented, and the harmonic compensation and control principles are discussed theoretically in this paper.

针对高压直流（HVDC）系统直流（DC）侧谐波抑制的要求，提出了一种新型混合滤波系统：并联无源滤波器和串联小容量电抗&变压器耦合有源直流滤波器。

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A principle of passive filter based on power harmonic analysis

基于功率谐波分析的一种无源滤波原理

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With the development of the adjustable reactor control technology, the passive filter detuning problem can be improved by the application of the adjustable reactor.

随着可调电抗器控制技术的发展，把可调电抗器应用到无源滤波器中可以改善无源滤波器失谐问题。

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The installment of passive filter is a widespread method for harmonic suppression in industry.

装设无源滤波器进行谐波抑制已成为工业中普遍采用的方法.

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The passive power filter part is the capacitor.

无源滤波部分采用了电容器结构。

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Passive filter and active power filter ( APF ) are the two primary approaches for eliminating harmonics.

抑制谐波的方法主要有无源滤波技术和有源 电力滤波器 技术.

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It points out that traditional passive filter mode exist shortage and active filter can make up its shortage via analysis, in addition, the application of soft switch technology can also achieve all right filter effect to a certainty extent.

通过分析指出，传统的无源滤波方式存在不足，而有源滤波能弥补它的不足，另外，软开关技术的应用，在一定程度上也可以达到良好的滤波效果。

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By controllable reactor, the passive filter in this paper has high controlling effect and fast response.

本设计中利用DSP控制可控 电抗器能够使无源滤波器达到较高的可控性和快速响应性.

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Because a passive filter can have insertion loss, it may be necessary to lower the166XL's THRESHOLD setting to maintain a given amount of gain reduction within the filter passband;

因为一个无源滤波器存在频幅衰减，在通频带内，它必然降低166XL的压缩阀值设置，继续维持特定的增益衰减；

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The solution of overtone question is relatively mature, the use of active and passive filter is common.

对于谐波问题的解决办法已经相对成熟，有源和无源滤波器等运用很普遍。

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Simulation showed that this passive power filter is capable of filtering harmonics.

通过仿真,该动态电力滤波器能够很好地滤除谐波源中的各次谐波.

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As a dynamic harmonic elimination device, active power filter overcomes the shortcomings of Passive filter devices; it is a researching focus in recent years.

有源电力滤波器（Active Power filter，APF）作为一种动态治理谐波装置克服了无源滤波装置的缺点，近年来受到了广泛的关注。

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When the passive filter is applied in harmonic suppression, the harmonic current may flow through the circuit breaker and filter branches.

采用无源滤波器治理谐波时，谐波电流会在母联断路器和各支路间流动。

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As a dynamic compensation equipment, active power filter ( APF) has more advantages than other passive filter devices.

由于可以对谐波和无功进行动态补偿，有源电力滤波器具有其他无源滤波装置不可比拟的优势。

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The cut-off frequency of this filter can be controlled by dc biasing current, meanwhile, the low sensitivity characteristics of passive electrical network is also reserved.

截止频率可通过电流进行控制，同时保持了无源网络低灵敏度的特点。

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With the accelerated process of industrialization, the problems distribution network optimization to face are more and more complex; originally passive filter units for the safe operation of the distribution network optimization process may be a big security risk.

随着工业化进程的加快，配电网优化所要面临的情况越来越复杂，原本安全运行的无源滤波装置在配电网优化过程中可能出现很大安全隐患。

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The Fault Analysis and Technical Improvement in High Power Passive Filter Facility

大功率无源滤波装置的故障分析与技术改造

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Design of Passive Filter Used in Filtering the 5~ ( th) and 7~ ( th) Harmonics

用于滤除5、7次谐波的无源滤波器的设计

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An optimization method for parameter design of a Passive Power Filter based on the Genetic Algorithm is presented.

给出了基于遗传算法对无源滤波装置参数进行设计的优化方法。

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Simulation results show that compared with the filtering mode only using passive filter, this filtering mode can improve the performance of filters better and less rated capacity of active filter is required.

仿真结果表明，该滤波方式与无源滤波方式相比，能够更好地改善滤波器的性能，且所需的有源滤波器的额定容量比较小。

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It is not only different from the traditional passive filter way but also different from the existing active filter way.

它既有别于传统的无源滤波方式，也有别于现有的有源滤波方式。

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As a result, this sort of antenna can be used to focus HPM operating waves or reflect transgressive HPM waves on the bass of forming passive filter device.

该天线根据需要可聚束HPM工作波，也可将外来入侵的HPM波聚束后发送回原处，可形成空间有源滤波等器件。

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