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。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
实验结果表明，应用该电路拓扑的实验装置，其功率因数较高，输入电流的总谐波畸变较低，输出电压纹波小，而且整个装置的效率也比较高。
One of the problems of the most diode rectifiers is that they include large harmonic contents in its input current.
输入电流谐波含量高是多脉波二极管整流电路的一大缺点。
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。
In both cases, the harmonic content of the input current have been evaluated analytically.
对两种情况下的输入电流谐波成分进行了动态分析。
However, because of its nonlinear characteristics, the switching power supply resulting input current contains a large number of odd harmonics, which cause serious harmonic pollution for the grid.
然而由于其非线性的特性，导致其输入电流中含有大量奇次谐波，对电网造成了严重的谐波污染。
APF then access points al0ng the harmonic current feedback, as a regulator input, adjusted feedforward control error.
再将有源滤波器接入点后的线上电流的谐波分量反馈回来，作为调节器的输入，调整前馈控制的误差。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
Power Factor Correction (PFC) technique make input current waves sine, improve efficiency of the system and reduce harmonic waves.
功率因数校正技术对输入电流进行校正，提高设备利用率，减少谐波对电网的污染。
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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