Unified stability criterion of bidirectional power flow cascade system

The stability issues of cascade system have been studied for many years. Some classic criterions in the form of Z o /Z i like Middlebrook criterion has been proposed and the validity have been proved in the case like voltage source with a current sink. But they meet the challenge in some application...

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Bibliographic Details
Published in2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC) pp. 2618 - 2623
Main Authors Liu Fangcheng, Liu Jinjun, Zhang Bin, Zhang Haodong, Ul, Hasan Saad, Zhou Sizhan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2013
Subjects
Batteries
Impedance
Mathematical model
Power system stability
Stability criteria
Transfer functions
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Summary:The stability issues of cascade system have been studied for many years. Some classic criterions in the form of Z o /Z i like Middlebrook criterion has been proposed and the validity have been proved in the case like voltage source with a current sink. But they meet the challenge in some application, especially in the case of current source with voltage sink. In this paper, the stability issues of a bidirectional energy storage system have been discussed. System level small signal models are established to derive the transfer function in each mode. A unified stability criterion is summarized after the discussion of different modes. It can be seen that the stability only depends on the terminal characteristics design.
ISBN:1467343544
9781467343541
ISSN:1048-2334
2470-6647
DOI:10.1109/APEC.2013.6520665