Switching-ripple-based current sharing for paralleled power converters

被引：41

作者：

Perreault, DJ ^{[1
]}

Sato, K ^{[1
]}

Selders, RL ^{[1
]}

Kassakian, JG ^{[1
]}

机构：

[1] MIT, Electromagnet & Elect Syst Lab, Cambridge, MA 02139 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 1999年 / 46卷 / 10期

关键词：

cellular; current sharing; load sharing; modular; parallel;

D O I：

10.1109/81.795839

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：

This paper presents the implementation and experimental evaluation of a new current-sharing technique for paralleled power converters. This technique uses information naturally encoded in the switching ripple to achieve current sharing and requires no intercell connections for communicating this information. Practical implementation of the approach is addressed and an experimental evaluation, based on a three-cell prototype system, is also presented. It is shown that accurate and stable load sharing is obtained over a wide load range, Finally, an alternate implementation of this current-sharing technique is described and evaluated.

引用

页码：1264 / 1274

页数：11

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