An Analytical Investigation of DC/DC Power Electronic Converters With Constant Power Loads in Vehicular Power Systems

被引：139

作者：

Rahimi, Amir M. ^{[1
]}

Emadi, Ali ^{[1
]}

机构：

[1] IIT, Dept Elect & Comp Engn, Elect Power & Power Elect Ctr, Chicago, IL 60616 USA

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2009年 / 58卷 / 06期

关键词：

Constant power loads (CPLs); continuous-conduction mode (CCM); damping methods; DC/DC converters; feedback; loop gain and bandwidth; multi-converter power systems; stability; vehicular power systems; DC-DC CONVERTER;

D O I：

10.1109/TVT.2008.2010516

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：

Stability of multi-converter power systems, which exist in advanced more electric vehicles, is of great importance. The stability issue is investigated in this paper, and design considerations and limitations of the methods that stabilize the open-loop converters are presented. By stabilizing the open-loop converter, it is shown that the feedback loop design is usually translated into a conventional feedback design task. The behavior of the unstable converter is also discussed, and a method for decreasing the amplitude of the output voltage oscillations is proposed. The model of a tightly regulated practical converter is presented. This model is used to decide how much damping should be added to make the feeder converter stable. Furthermore, because we have this information about the load converter, the feeder converter can be redesigned so that it does not see the load converter as a constant power load.

引用

页码：2689 / 2702

页数：14

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