The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.
文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
The circuit structure, control method and system characteristics of the hybrid type series active power filter are discussed.
对串联混合型有源电力滤波器的电路结构、系统特性、控制方法等进行探讨与分析。
According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.
根据非线性负载的等效电路模型，提出了一种基于快速跟踪算法的有源电力滤波器单相电路谐波电流检测方法。
The theoretic analysis is accomplished on the circuit topology, principle, harmonic detecting method, control method and circuit designing of Parallel Hybrid Active Power Filter (PHAPF).
其次，文章重点对电容注入方式的并联混合型有源电力滤波器的电路结构、工作原理、谐波检测方法、控制方式、电路设计进行了理论分析。
As a new filtering device used in single phase circuit, hybrid type series active power filter is a combined system of shunt passive filter and series active filter.
串联混合型单相电力有源滤波器是串联有源滤波器与并联无源滤波器组合而成的单相电路新型滤波装置。
Whether the hybrid active power filter could get desirable effects of harmonic suppression depends on the constancy of DC-side voltage besides the correct design of the main circuit.
有源滤波器能否按其工作原理实现预期的谐波抑制效果，除了主电路设计合理之外，在很大程度上还依赖于保持直流侧电压的恒定。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
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。
In view of the topology of the hybrid active power filter with injection circuit, analysis its principle in detail, as well as choice the desirable resonance frequency.
本文针对混合型有源电力滤波器的电路拓扑，介绍了无源注入支路的基本工作原理，重点阐述了如何选择注入支路的调谐频率。
This paper describes the system structure and basic operation principle of the series active power filter, and its control method and control circuit are studied and analyzed.
介绍了串联型电力有源滤波器的系统结构和基本工作原理，对其控制方法和控制电路进行了分析和研究。
This paper introduces a digital control system of series hybrid type active power filter used in single-phase circuit, which employs a DSP processor.
本文介绍串联混合型单相电力有源滤波器的一种基于DSP芯片的数字式控制系统。
The study is focused on the application realization of Active Power Filter with Single Injection Circuit and gives a further study of the key technologies of APF.
论文以单独注入式有源电力滤波器的工程实现为主线，对有源滤波器的关键技术进行了研究。
For short - circuit faults occurring in power systems, the behavior of shunt active power filter APF is analyzed. It is concluded that the overcurrent phenomena will happen during the fault period.
对并联型电力有源滤波器(APF)在电力系统发生各种短路故障时的行为进行了分析，得出了在系统发生故障期间APF会发生过流现象的结论。
This paper introduces an active power filter device used for three phase four wire. The compensation principle and structure of main circuit and control circuit are given.
主要介绍用于三相四线制的有源电力滤波装置的研究工作，给出了系统的基本补偿原理、主电路及控制电路结构，并利用该装置进行了补偿实验。
This paper introduces an active power filter device used for three phase four wire. The compensation principle and structure of main circuit and control circuit are given.
主要介绍用于三相四线制的有源电力滤波装置的研究工作，给出了系统的基本补偿原理、主电路及控制电路结构，并利用该装置进行了补偿实验。
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