Transient Mitigation of DC-DC Converters for High Output Current Slew Rate Applications

被引：34

作者：

Shan, Zhenyu ^{[1
]}

Tan, Siew-Chong ^{[2
]}

Tse, Chi K. ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China

[2] Univ Hong Kong, Dept Elect & Elect Engn, Pokfulam, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2013年 / 28卷 / 05期

关键词：

Auxiliary circuit; dc-dc converters; fast transients; large transients; slew; RESPONSE IMPROVEMENT; VOLTAGE REGULATION; AUXILIARY CIRCUIT; CONTROL ALGORITHM; MODULE VRM; PERFORMANCE; RECOVERY; AUGMENTATION; CONTROLLER; DESIGN;

D O I：

10.1109/TPEL.2012.2212031

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 a method of mitigating the transient overshoots of dc-dc converters undergoing large load disturbances. The method involves a small power auxiliary circuit which exists as an energy buffer to provide a smooth absorption and release of excess energy from and to the main dc-dc converter during transients. In the method, the regulation of the current magnitude of the converter and energy storage of the auxiliary circuit are guaranteed by the relevant control schemes. The cost and size of the auxiliary circuit will be relatively small as it only operates intermittently. In this paper, the voltage deviation analysis and the auxiliary circuit design guideline are provided. Experimental results validating the approach are presented.

引用

页码：2377 / 2388

页数：12

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