The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
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。
This simple structure is proved through the SPICE simulation to have the very high common mode input voltage excursion and low harmonious distortion.
电路模拟证明这种简单结构具有很高的共模电压输入范围和很低的谐波失真。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
This thesis analyzes the zero-crossing distortion, and points out that the major causes are the inductor and the phase displacement between the input current and the input voltage.
本文对产生输入电流过零畸变的各种原因进行了定量分析，指出电感和输入电流与输入电压间的相位差是影响高频输入下输入电流过零畸变严重的根本原因。
This thesis analyzes the zero-crossing distortion, and points out that the major causes are the inductor and the phase displacement between the input current and the input voltage.
本文对产生输入电流过零畸变的各种原因进行了定量分析，指出电感和输入电流与输入电压间的相位差是影响高频输入下输入电流过零畸变严重的根本原因。
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