This paper proposes a novel hybrid resonant PI controller for EV battery charger fed by an AC-DC-DC converter. Compared with a conventional EV battery charger, this method can effectively decrease the value of DC-link capacitor. This makes it possible to apply a much smaller value film capacitor such that the system will have more compact size and lower cost. Another advantage of this control method is that, it can suppress the ripple on the battery charging voltage and make no harm to the battery. Furthermor…
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