Control Response of N-phase Interleaved Buck Converter for Welding Power Supply

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  • 溶接電源に向けたN相インターリーブ降圧コンバータの制御応答性の検討
  • ヨウセツ デンゲン ニ ムケタ Nソウ インターリーブコウアツ コンバータ ノ セイギョ オウトウセイ ノ ケントウ

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Abstract

<p>An N-phase interleaved converter was analyzed here to improve the current control performance of a welding power supply. Consequently, it was found that the collective current control method of the N-phase interleaved circuit has a current control response closing to that of a single-phase converter circuit with N times carrier frequency and 1/N output inductance. This method reduces the accumulated energy of inductance to 1/N and lowers the heat generation of the device, which can contribute to the miniaturization and higher performance of the welding power supply.</p>

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