The proposed bi-directional converter has no high voltage spike problem and start-up problem, which are inherent in current-fed and voltage-fed hybrid type bi-directional converters.

这种结构的双向变换拓扑解决了电流型一电压型组合式拓扑的开关管电压尖峰问题和启动问题。

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The basic principle of the Active Power Filters (APF) is described. In this paper, the performance of Current-fed APF is studied and compared with Voltage-fed APF by digital simulation.

本文阐述了有源电力滤波器的基本原理，通过数字仿真研究了电流型滤波器的性能，并与电压型滤波器作了对比。

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A stable resistance-free current-fed model and a stable resistive currentfed model are proposed respectively.

分别提出了稳定的无内阻型电流馈源模型和内阻型电流馈源模型。

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Investors also think that there will now be a relatively dovish successor to Ben Bernanke, if the current Fed chairman decides to stand down when his term expires in 2014.

BBC: US election: Four more years... of what?

Nassim Nicholas Taleb, the author of The Black Swan fame has written a new book titled Anti-Fragile: Things That Gain From Disorder in which he provides a reasoned basis for believing that the current Fed policy will bring us way more inflation and much sooner than expected.

FORBES: Sober Reasons To Own Gold

He also demonstrates another smart foam structure which changes when a current is fed through it.

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