A new inverter output filter is presented. It can reduce efficiently the output voltage and current switching harmonic.
提出了一种新型三相逆变器输出滤波器,它能有效地减少输出电压和电流中的开关谐波分量。
In the current source transduce, LC filter is the best structure to filter the switching harmonic.
电流源变流器中,L C滤波器是滤除开关谐波的最佳结构。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
提出了一种新型的有源电力滤波器电流检测和控制方法,在补偿谐波电流的同时还可以进行无功补偿。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
提出一种新型的基于变压器谐波电流补偿的高压大容量有源电力滤波器。
Active power filter is used for dynamic harmonic suppressing and compensation reactive current, which can effectively improve power network quality.
有源电力滤波器用于动态抑制谐波和补偿无功,可以有效地改善电网质量。
Installation filter in power system to control harmonic pollution could effectively reduce the system loss and avoid harmonic resonance or current amplification.
在电网中安装滤波器来治理谐波污染,可以有效地降低系统网损,能够避免谐波谐振或电流放大。
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 harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
分析了直流侧电感和电容滤波的整流器的谐波特性,进而把它们分为电流和电压型谐波源。
A control method of AC side harmonic current detection, based on the keystone analyzing of the parallel hybrid power filter, has been put forward in the study.
在对混合电力滤波器的原理分析基础上,提出了检测交流侧谐波电流的控制方法。
This paper researches a continuously tuned filter based on a continuously tunable reactor in order to compensate the detuning and limit excessive harmonic current.
本文研究了一种基于连续可调电抗器的交流连续可调滤波器,旨在克服调谐滤波器的上述缺点并解决谐波过流的问题。
In order to improve the power quality, Active power filter is used to compensate harmonic current of nonlinear load to decrease harmonic pollution of the grid.
为了提高电能质量,通常采用有源电力滤波器来补偿非线性负载的谐波电流,以减小谐波对电网的污染。
The harmonic source can be classified into current harmonic source and voltage harmonic source on the basis of a transformer with a filter component on its DC side.
根据变流器直流侧滤波元件,将谐波源分成电流型和电压型谐波源。
This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).
本文对基于单位功率因数的谐波电流检测方法进行了改进,用移动窗积分法取代检测中常用的低通滤波器。
Based on the MATLAB software, the harmonic characteristics of input current, output voltage and output current are simulated. Accordingly these results provide a theoretic basis for filter design.
基于MA TLAB软件,仿真研究了谐波源输入电流、输出电压及输出电流的谐波特性,为矿井滤波装置的设计提供了理论基础。
The counteracted current by going through the notch filter based on adaptive filter technique is proposed to eliminate the residual fundamental wave and its harmonic wave.
文中提出,背景电流抵消后让信号通过基于自适应滤波技术的陷波器,可去除背景中残留的基波及谐波电流的影响。
A new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.
基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。
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。
Having established the mathematic model of a parallel active power filter, this paper has analyzed the generation of harmonic current order and the design of its current controller in detail.
对并联型电力有源滤波器建立了数学模型,详细地分析了在全数字控制下,谐波指令的生成和电流控制器的设计。
On the based of artificial neural network, the active power filter can work properly to cancel load's line harmonic current. Only few readily available parameters are used in the method.
通过预测负载网侧输入电流的基波成分,控制有源滤波器产生用以抵消非线性负载的谐波电流。
The system is used in a combined power filter prototype, and experimental results verify the feasibility and correctness of the harmonic current detecting system.
将其应用于一台综合电力滤波器的样机,实验结果验证了综合电力滤波器谐波检测系统的可行性和正确性。
To verify the simulation approach, simulation results and experimental results of a shunt active filter for harmonic current compensation in a three-phase system are presented.
要核实模仿方法,在一个三相系统提出模仿结果和分流器活跃过滤器的实验性结果泛音当前报偿的。
The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter.
在该控制系统中实施了基于瞬时无功理论的瞬时功率和瞬时电流的检测算法以及一种开闭环相结合的复合控制策略。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
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