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Simulation analysis of AC power supply system stability

机译:交流电源系统稳定性仿真分析

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摘要

DC-DC converters in recent telecommunication equipment have a negative dynamic input resistance at the DC power input port. An oscillation can result from the interaction between an LC filter and this resistance. On the contrary, it is not well known if the oscillation occurs in AC power supply system. We calculated the effect of inductance of power line and capacitance of smoothing condenser to the single-phase AC power supply system. Three types of smoothing circuit (capacitor input type, choke input type and PFC type) were used and Voltage fluctuations and ripple percentages of DC-DC converter input port were calculated changing the number of inductance of power line and capacitance of smoothing condenser.
机译:最近的电信设备中的DC-DC转换器在DC电源输入端口处具有负动态输入电阻。 LC滤波器与该电阻之间的相互作用可能导致振荡。相反,尚不清楚在交流电源系统中是否发生振荡。我们计算了电力线电感和平滑电容器电容对单相交流电源系统的影响。使用了三种平滑电路(电容器输入型,扼流圈输入型和PFC型),并通过改变电源线的电感数和平滑电容器的电容来计算DC-DC转换器输入端口的电压波动和纹波百分比。

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