Active filter itself is a harmonic source.
有源滤波自身就是谐波源。
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。
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。
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。
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。
If the time harmonic source is assumed to be constant voltage, the summed pulse propagation is the impulse response along the line.
若各频率成份之电源为定电压，则所得时域脉波即脉冲电压源在传输线上之脉冲响应。
Therefore, it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source.
从而说明对电流型或电压型谐波源进行谐波补偿，应该分别使用并联型或串联型apf。
In a practical circuit, the series APF can compensate a high capacity voltage harmonic source load or several low capacity voltage harmonic source loads.
在实际应用中，串联型APF既能对单个大容量电压型谐波源负载进行补偿，也能对多个小容量电压型谐波源负载进行集中补偿。
According to the harmonic characteristics of electric locomotive typed SS4 under typical operating situations, the current module of harmonic source is proposed.
依据ss4型电力机车在典型工况下的谐波特点，提出了谐波源的电流模型。
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。
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。
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。
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。
There are many harmonic source equipments in non-ferrous smelter. The existence of harmonics seriously damaged to the safety of the electricity supplying network and electrical equipment.
有色冶炼厂谐波源设备很多，谐波的存在又严重危害了供电网络和用电设备的安全。
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 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。
SAPF, which only has better inhibition to current-type harmonic source, is not only less inhibitory to the voltage-type harmonic source, but also lead to harmonic amplification and load over current.
电网中不仅含有电流型谐波源负载，还存在大量电压型谐波源负载，并联型有源滤波器只对电流型谐波有较好的抑制作用，对电压型谐波不仅抑制效果较差，还会引发谐波放大，负载过流。
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。
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。
This paper introduces a single-bridge current source rectifier, which eliminates 5th and 7th harmonics adopting the technology of Selective Harmonic Elimination(SHE).
介绍了一种单桥电流源型整流器，运用特定谐波消除技术消除其5次和7次谐波。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
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 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；
However, the utility source for a plant may contain additional harmonic voltage distortion arising from external sources.
然而，对工厂实用电源可能包括由外部电源引起的额外的谐波电压畸变量。
In many common forms of analysis, the nonlinear load, acting as a current source, supplies the harmonic components of the current.
在许多普通形式的分析中，非线性负载担当电流源，产生电流的谐波成分。
The simulation and experimental results demonstrate that the proposed system can compensate harmonic current and reactive current generated by harmonic current source loads.
仿真和实验研究证明这种电力有源滤波器能够消除谐波电流源型负载产生的无功电流和谐波电流。
Using DFB LD as light source, the detection sensitivity has been greatly improved by light source modulation harmonic measurement.
采用分布反馈式半导体激光器作为光源，通过光源调制实现气体体积分数的谐波检测，显著提高了检测的灵敏度。
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。
Additional morphological information can be provided by second-harmonic generation (SHG) microscopy, which can be combined with TPF microscopy using the same laser source.
另外，SHG显微镜可以与TPF显微镜结合使用同一个激光源。可由二次谐波发生(SHG)显微镜提供形貌信息。
Additional morphological information can be provided by second-harmonic generation (SHG) microscopy, which can be combined with TPF microscopy using the same laser source.
另外，SHG显微镜可以与TPF显微镜结合使用同一个激光源。可由二次谐波发生(SHG)显微镜提供形貌信息。
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