有源滤波自身就是谐波源。
介绍谐波的危害，产生谐波的类型，有源滤波的原理。
The harm and type of harmonic wave were introduced, and the principle of active filter was analyzed as well.
有源滤波器的应用中要求补偿电流的指令值计算要准确。
One key problem with APF application is how to accurately calculate harmonic currents for compensation.
实时、高精度的谐波检测和控制是有源滤波器的重要部分。
Real-time and accurate harmonic detection and control is the key for practical active filter implementation.
有源滤波除了滤除谐波外，同时还可以动态补偿无功功率。
In addition to filtering harmonic active filter things, but also can dynamically compensate for reactive power.
提出了一种适用于电气化铁路的新型单相注入式混合有源滤波器。
A novel single-phase hybrid active power filter applied to electrical railway system is proposed.
本文主要是关于并联电力有源滤波模块组合系统的工业应用研究。
The main content of this thesis is about the study on combination system which is based on active power filter module.
评述了最近提出的全集成模拟有源滤波器中的在片自动调节方法。
Recently proposed on -chip automatic tuning methods in analog active fully integrated filters are reviewed.
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。
It is not only different from the traditional passive filter way but also different from the existing active filter way.
一旦采用有源滤波电路，钽电容器将面临高压和高频性能的严峻考验。
If active filter circuit is adopted, wet tantalum capacitor will face test of high voltage and high frequency.
通过对无源滤波和有源滤波特点的分析，本充电机采用了无源滤波技术。
The passive filtering technology is used after analyzing the features of passive filtering and active filtering.
有源滤波器在为解决日益严重的无功和谐波污染问题方面可发挥有效作用。
Active filters have been used to solve the problem of more and more serious reactive power and harmonic pollution to power systems.
但集成运放带宽有限，所以目前的有源滤波电路的工作频率难以做得很高。
But the integrated operational amplifier bandwidth is limited, so the current active filter circuit is difficult to do very high operating frequencies.
而采用有源滤波技术是解决现代电能质量问题的一种非常合理、有效的手段。
However, the adoption of active filter technique a kind of reasonable, valid means to solve modern electric power quality problem.
介绍了一种综合运用有源滤波和无源滤波设计电源纹波抑制器的原理和方法。
The principle and the method of designing ripple attenuator are introduced by combining both active and passive filtering.
在此基础上，讨论了电力系统有源滤波和无功补偿装置的硬件设计及软件开发。
On the basis, we discuss the hardware and software design of power system active power filter and reactive compensation.
本文提出的全极点有源滤波的CAD方法，从原理和实验上都证明了它的可靠性。
The reliability of this CAD method described in this article for all Pole Active Filter has been proved theoretically and experimentally.
为此，提出了一种由并联有源滤波器和串联平波电抗器组成的混合有源滤波系统。
This paper presents a hybrid active filter system, which consisted of shunt active filter and series smoothing reactor.
阐述了有源滤波部分谐波检测与控制方案的选取、新增补偿容量与品质因数的确定。
The selection of harmonic inspection and control method for active filter and certainty of last added compensation capacity and quality factor were expounded.
设计了基于单片机和RS- 485的手持操作通讯面板在有源滤波器中应用设计。
Is designed based on Microcontroller and RS-485 hand-held operation of communications panel in active filters applications.
基于单位功率因数控制策略的单相有源滤波，去掉非线性负载部分即为单相全控整流。
Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.
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。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
文中分析了系统平衡变换原理，讨论了系统的平衡方式、补偿电流检测与有源滤波器控制方法。
In this paper, the principle of balanced transformation is analyzed; the balance mode, detection of compensating currents and controlling method of the active filter are discussed.
根据有源滤波的特点提出了采用铁硅铝作为铁心材料，利用最小体积法对电感进行了优化设计。
According to the characteristics of active filter, Fe-Si-Al is used and minimum volume method is adopted to optimize the design of inductance.
本文对有源滤波电路作了原理性分析，给出了滤波效果更好的复合晶体管组成的有源滤波电路。
This article has analysed the active filterable electric circuit in principle and shown you another one consisted of compound transistor with better effect of filtration.
全控型电力电子器件IGBT在牵引电传动电能传输与变换、有源滤波等领域得到了广泛的应用。
All-controlling power electronics device IGBT in traction power transmission and transformation of power transmission and active filter etc widely application.
电流环数字控制器通常以PI调节器为控制核心，但纯PI调节器在有源滤波中存在一定的局限性。
PI controller is usually the core of control, but there is the limitation of pure PI controller in active filtering.
介绍了一种低频高阻带抑制SAW有源滤波组件的设计方法，并介绍了最新研制的滤波组件的性能。
The design method of an active SAW filter module with low frequency and high stopband rejection is introduced in this paper.
介绍了一种低频高阻带抑制SAW有源滤波组件的设计方法，并介绍了最新研制的滤波组件的性能。
The design method of an active SAW filter module with low frequency and high stopband rejection is introduced in this paper. The performances of the module developed recently are also given.
根据新型并联混合有源滤波系统的参数优化流程设计图形用户界面，使用户的学习和操作更为方便。
Furthermore, the graphical user interface is designed based on the parameters optimal process of NPHAPF, which makes users learn and operate more conveniently.
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