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This paper mentions the static characteristics of pulse-link DC-AC converter for fuel cells, and considers the input current-ripple reduction method. Fuel cells have weakness about current-ripple because the chemical reaction time is much slower than commercial frequency. Therefore, the input current-ripple reduction is essential factor in the DC-AC converter for fuel cells applications. Input current-ripple...
This paper proposes a novel topology of DC-AC converter for fuel cells application, and considers the input- current reduction method. The conventional DC-AC converter for Fuel Cells has large capacitor between boost converter stage and PWM converter stage, in order to reduce input-current ripple. That capacitor disturbs to reduce the size of unit. The proposed DC-AC converter provides boosted-voltage...
This paper proposes a novel DC-AC converter topology for fuel cells. The proposed circuit topology has no need smoothing circuit because boosted voltage from first step provides directly to PWM inverter. The notice point is that the output voltage from isolating step (third step) is pulsed waveform, and pulse voltage is also made from DC at the converting step. As the result, the smoothing step will...
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