论文信息 - A ripple-mitigating pre-filter based on interleaved DC-DC boost converters

A ripple-mitigating pre-filter based on interleaved DC-DC boost converters

An efficient pre-filter based on interleaved DC-DC boost switching converters to mitigate high-frequency harmonics injection to power sources is proposed. The main feature of the pre-filter is to mitigate the ripple of power converters input-current, improving the efficiency of the whole power conversion chain. The pre-filter optimal operating conditions are calculated, and the circuit is modeled and controlled to operate in such conditions. The pre-filter operating with a single boost is analyzed, obtaining a strong reduction in the current ripple injected to the source, and also improving the efficiency of the initial conversion system. Finally, the theoretical analyses are confirmed by means of circuital PSIM simulations.

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