When applied voltage waveforms are dc, ac and slow pulse, voltage amplitude during discharge can be ignored.

在直流、交流以及宽脉冲电压波形条件下，电压上升速率相对缓慢，放电时延内电压增幅可忽略不计。

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The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.

文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。

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A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.

提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。

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Running appliances off DC power can cut energy consumption dramatically by reducing the number of AC-DC conversions.

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Just as AC beat DC, the audio cassette beat 8-track and VHS beat Betamax, Qwerty won the format war.

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Once completed it is expected to generate 6.4 MWh DC (equivalent to 5MW AC) and be capable of generating enough electricity to power about 700 average-sized homes.

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