电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
本文将自适应线性神经网络理论应用于非线性负载电流中畸变电流的检测。
Adaptive linear neural network is used for detecting the distortion currents of nonlinear loads.
既能单独检测出畸变电流中的任意电流分量，又能获得谐波和无功电流之和。
It can detect not only any current component in the distorted current, but also the sum of harmonic and reactive currents.
实验结果表明，产生的畸变电流与检测出的结果非常吻合，说明该方法是可行的。
The result of experiment shows the detected and produced distortion currents are identical and the method is feasible.
利用三维空间矢量，提出了一种新型的无需坐标变换的三相电路畸变电流检测方法。
Using three-dimensional space vectors, this paper describes a simple method for detecting the distorted current without any coordinate transformation.
输出是开关控制信号甩于控制有源滤波器产生补偿电流来抵消非线性负载的畸变电流。
The active power filter is controlled to generate compensation currents to reduce distortion currents caused by nonlinear loads.
简单介绍电力有源滤波器的工作原理，提出了检测与产生畸变电流的新方法及其电路，并给出了实验波形。
The paper introduces the principle of the active power filter briefly, presents a new method for detecting and producing distortion current applied to the APF and provides experimental waveform.
有源电力滤波器的补偿性能很大程度上取决于对畸变电流的实时、准确检测和变流器输出电流的控制策略。
The compensate performance of APF is determined by detecting the harmful currents accurately and real-timely and the current tracking control strategy of the converter.
该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流，并能自适应跟踪负载电流的变化等。
The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults o…
有源电力滤波器（APF）中畸变电流的检测与控制方法，不仅是决定其补偿性能的关键因素，而且也影响到APF的应用范围。
The detection and control methods of distortion currents for active power filters are key factors affecting not only the compensation performance of APF, but also the extension application.
为提高逆变电源的功率因数，必须采用谐波抑制技术降低输入电流的谐波畸变率。
To increase power factor, the current distortion can be reduced by harmonic suppression technology.
通过优化参数设置，可以使弧焊逆变电源的功率因数提高到95%，电流谐波畸变率低到30%。
Through the parameters optimization, the power factor (PF) can be increased to95%and Total Harmonics Distortion (THD) can be decreased to below30%.
在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
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