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AC excited generator (ACEG) and cycloconverter are principal harmonic sources in ACEG systems. 交流励磁电机和交交变频器是交流励磁电机系统中最主要的两个谐波源。
The response of a micropolar thermoelastic medium possessing cubic symmetry with two relaxation times due to time harmonic sources has been investigated. 研究了具有立方对称性及两个弛豫时间的微极热弹性介质在调和时间源中的响应.
T.Hiyama, M.S.A.A.Hammam, T.H.Ortmeyer, "Distribution System Modeling with Distributed Harmonic Sources", IEEE Trans. on Power Delivery, Vol.4, No.2, 1989, pp.1297-1304. 江荣城、杨金石、颜世雄、郑久南,"配电系统谐波电流量测与分析",中华民国第十二届电力工程研讨会论文集,民国八十年,第114页至120页。
On the basis of this solution, this paper gives the sound pressure spectrum densities of broad band and harmonic sources, and then discusses the characteristics of these sound fields respectively in detail. 在此解基础上，本文得到宽频源和简谐源的近场声压谱密度，指出此2种声源近声场各自的特点及源的旋转半径和轴向位置对声场结构的影响。
The principle of CIM is to c ompare two magnitudes of harmonic voltage sources in the Thevenin equivalent cir cuit and choose the larger one as the main harmonic source. 该方法的原理是比较戴维南等效回路中两个谐波电压源的大小，取较大的一个作为主谐波源。
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 cycloconverter station can be considered as a harmonic source with characters of voltage source. 交交变频换流站相对于分频侧网络是一个电压源性质的谐波源。
When there is one harmonic source in electric power system, the harmonic component could be derivable. 摘要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。
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。
As a typical strong nonlinear surge load,the harmonic produced by the high speed maglev system is an important new type of harmonic source. 高速磁悬浮列车系统的谐波是一种典型的强非线性、冲击性电力负荷,是一重要的新类型谐波源,在没有补偿措施时,它会带来较严重的电网谐波问题。
Study of Detecting Harmonic Sources'Method in Distribution Systems 配电网中谐波源检测方法的研究
The harmonic combination of these tones. 四度和音音调的和谐组合
He cited many sources for his book. 他在书中引用了许多资料。
The library has quantities of reference sources. 该图书馆藏有大量可供参考的原始资料。
The facts were culled from various sources. 这些事实是从各方收集到的。
Some of his ideas were borrowed from other sources. 他的某些见解是从别处借用来的。
I hope man will soon succeed in tapping these new energy sources. 我希望人类在开发这些新能源方面很快获得成功。
Application of High Pass Filter in the Conditions of Multiple Harmonic Sources 多种谐波源环境中高通滤波器的应用
Abstract：In this paper, the shunt active power filter can compensate the harmonics generated by the harmonic source of current source type well, and it is built into models and simulated by the Power System Blockset, toolbox of MATLAB. 摘要：并联型有源电力滤波器可较好的补偿电流源产生的谐波，利用MATLAB中的电力系统仿真工具箱对其进行建模与仿真。
Abstract: In this paper, the shunt active power filter can compensate the harmonics generated by the harmonic source of current source type well, and it is built into models and simulated by the Power System Blockset, toolbox of MATLAB. 摘要：并联型有源电力滤波器可较好的补偿电流源产生的谐波，利用MATLAB中的电力系统仿真工具箱对其进行建模与仿真。