A Partial-Resonant Tapped-Inductor Converter with an Auxiliary Switch

被引：0

作者：

Nishijima, Kimihiro ^{[1
]}

Inoue, Takafumi ^{[1
]}

Harada, Koosuke ^{[2
]}

Nagao, Michihiko ^{[1
]}

Nabeshima, Takashi ^{[1
]}

Sato, Terukazu ^{[1
]}

机构：

[1] Oita Univ, 700 Dannoharu, Oita 8701192, Japan

[2] Sojo Univ, Kumamoto 8600082, Japan

来源：

EPE: 2009 13TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, VOLS 1-9 | 2009年

关键词：

ZCS converters; Soft switching; Resonant converter; DC power supply;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A partial-resonant tapped-inductor converter with an auxiliary switch is proposed. The circuit construction is the same as a conventional tapped-inductor converter with active clamp circuit, but the drive timing for the auxiliary switch is different from the conventional one. As a result the output stability is improved as compared with the conventional active clamp one. Furthermore, zero current switching is achieved by a partial resonant with an auxiliary capacitor and the leakage inductance of the tapped-inductor during the on period of the auxiliary switch. The operating and performance of the proposed approach were verified experimentally by a laboratory prototype of 24V input to 1.0V output at 600kHz. As a result, 2% improvement of efficiency is achieved.

引用

页码：4348 / 4353

页数：6

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