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首页> 外文会议>Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition >Adaptive Master-Slave Interleaving method for boundary conduction mode (BCM) buck PFC converter
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Adaptive Master-Slave Interleaving method for boundary conduction mode (BCM) buck PFC converter

机译：边界传导模式降压PFC转换器的自适应主从交错方法

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摘要

An interleaved boundary conduction mode power factor correction buck converter that maintains high efficiency across entire load and line range is proposed. The Adaptive Master-Slave Interleaving (AMSI) method maintains stable 180° out of phase operation during any transient. By interleaving two parallel connected buck converters, the input current ripple is halved while the ripple frequency is doubled, which leads to smaller differential mode line filter. The line current harmonic distortion is analyzed to examine the allowable output voltage range while meeting harmonic regulations. The operation and performance of the proposed circuit is verified on a 300W, universal line experimental prototype with 80V output. The measured efficiencies remain above 96% down to 20% of full load across the entire universal line range. Even at 10% of full load condition, the efficiency remains above 94%. The input current harmonics also meet the IEC61000-3-2 (class D) standard.
机译：提出了一种在整个负载和整个线路范围内保持高效率的交错边界传导模式功率因数校正降压转换器。自适应主从交错（AMSI）方法可在任何瞬态期间保持稳定的180°异相工作。通过交织两个并联的降压转换器，输入电流纹波可减少一半，而纹波频率则可加倍，从而可实现更小的差模线路滤波器。分析线路电流谐波失真，以检查允许的输出电压范围，同时满足谐波规定。在具有80V输出的300W通用线路实验原型上验证了所提出电路的操作和性能。在整个通用线路范围内，测得的效率保持在96％以上，降至满负载的20％。即使在满负载条件下达到10％，效率仍保持在94％以上。输入电流谐波也符合IEC61000-3-2（D类）标准。

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