A new interleaved series input parallel output (ISIPO) forward converter with inherent demagnetizing features

被引：46

作者：

Jin, Taotao ^{[1
]}

Zhang, Katherine ^{[2
]}

Zhang, Kan ^{[3
]}

Smedley, Keyue ^{[4
]}

机构：

[1] One Cycle Control Inc, Irvine, CA 92618 USA

[2] NEXSEM Inc, Irvine, CA 92618 USA

[3] TESLA Co, Irvine, CA 92618 USA

[4] Univ Calif Irvine, Irvine, CA 92697 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2008年 / 23卷 / 02期

关键词：

current sharing; demagnetizing; forward converter; interleaved; interleaved series input and parallel output (ISIPO);

D O I：

10.1109/TPEL.2007.914813

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A forward converter of interleaved series input and parallel output (ISIPO) structure is proposed in this paper. Theoretical analysis indicates that by using two auxiliary diodes and the unique architecture, the proposed ISIPO forward converter can realize natural magnetizing reset, the leakage and magnetizing energy in the transformers can be recycled, and the voltage stress on each switch is clamped at V-in. In addition, by parallel connection of the transformers, the output rectifier and filters can distribute power losses and thermal stresses of the transformers and semiconductors, and the interleaved operation can reduce the current ripple in output capacitors. All these features make the proposed forward converter suitable for dc-dc converters with high input voltage, high output current, and high power density. The theoretical analysis is verified by a 1000 W experimental prototype.

引用

页码：888 / 895

页数：8

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