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。
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。
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。
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。
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。
应用推荐