Through analyzing the principle of a parallel hybrid active power filter (HAPF) which is currently suitable for filtering high power harmonic source, a new control approach is proposed.
对现有的适合于大容量滤波场合的并联混合有源滤波器原理进行了分析。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
The results of experimental operation of APF in the harness of harmonic pollution from the exciting power source for heavy-hydronium accelerator are given.
最后，给出了重离子加速器励磁电源在谐波治理方面的实验运行结果。
The series active power filter (SAPF) can compensate the harmonic distortion caused by voltage type harmonic source.
串联型有源电力滤波器可较好地补偿电压源型谐波源。
The series controller is equivalent to the controlled voltage source that compensating the voltage harmonic and the voltage fluctuation from the power system.
串联控制器等效为一个受控电压源，补偿来自电网侧的电压谐波和抑制电压波动，提高配电系统的供电电压质量；
The direction of harmonic power flow should be understood and the position of harmonic source can be determined according to the direction of harmonic power while harmonics exist in power network.
电力系统中有谐波存在时，应该了解谐波功率的方向，并按谐波功率的方向确定谐波源的位置。
The electrical locomotive is an important harmonic source in the electric power system.
电力机车是电力系统的一个重要谐波源。
The source of the harmonic wave in the power system mainly comes from all kinds of nonlinear devices.
电力系统中产生的谐波主要来自各种非线性用电设备。
When there is one harmonic source in electric power system, the harmonic component could be derivable.
当电力系统中只有一个谐波源时，各点的谐波电压可以方便的求出。
A medium frequency induction heating power source controlled by the microprocessor can not be run normally, in case its synchronous signals are disturbed by the harmonic from common network.
由于同步信号受电网谐波的干扰，常使微机控制的中频感应加热电源不能正常运行。
This paper collects and analyzes the harmonic signals of the CO2 welding machines main transformer, by which researches the effect of welding power source on the main.
对晶闸管CO2焊接电源焊接过程主变压器一次侧产生的谐波信号进行采集分析，以此研究焊接电源对电网的影响。
Based on analyzing user loads running characteristic and power system topology structure, this paper presents a new harmonic source separation method that is on-line search zero iterative method.
然后在分析用户负载运行特性的基础上，根据供电网络拓扑结构，提出一种新的谐波源分离方法—在线寻零迭代法。
The study of harmonics is a very important topic for electric power quality. Research topics include harmonic source analysis and efforts, measurement technology and elimination strategy.
谐波的研究是电能质量领域的一个重要课题，研究领域包括谐波源分析、检测技术以及消除策略。
The characteristic of harmonic source is analyzed and corresponding active power filter topology should be adopted.
另外对谐波源的性质进行了分析，指出不同性质的谐波源应采用不同的有源滤波器拓扑。
This paper presented an IGBT inverter for high voltage pulse source. The experimental results demonstrate a good harmonic elimination for power input and quality output.
介绍了采用IGBT逆变电路的高压脉冲电源的设计和电路构成。该电源可以减少电源对进线电源的谐波干扰，提高电源的品质，减少输出电压的交流分量。
At the same time, constitute a capacitive load, so that capacitive power factor of 0.2 to a minimum the following, non-harmonic and electromagnetic interference, the true green light source.
同时，构成电容性负载，使容性功率因数降至最小0.2以下，无谐波和电磁干扰，真正的绿色光源。
In power net the harmonic pollutions and reactive power component generated by power electronic equipments have been the major source.
在供电电网中，由电力电子设备产生的谐波和无功电流已经成为主要的污染源。
The 5th harmonic current of 3-phase AC power source can be reduced by the 6th harmonic feed forward of 3-phase rectifying voltage.
采用三相整流电压的6次谐波前馈（注入），以减小三相电源的5次谐波电流。
The 5th harmonic current of 3-phase AC power source can be reduced by the 6th harmonic feed forward of 3-phase rectifying voltage.
采用三相整流电压的6次谐波前馈（注入），以减小三相电源的5次谐波电流。
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