Modeling Analysis and Control of Bidirectional DC/DC Converter in Hybrid EMU System

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Modeling Analysis and Control of Bidirectional DC/DC Converter in Hybrid EMU System

Li, Wang / Jin, Miaoxin / Fan, Libing

The application of hybrid power system in EMU not only has the characteristics of low consumption and emission reduction but also can improve the reliability of power supply. The stability of the bidirectional DC/DC converter, which is connected with the energy storage device and the intermediate DC link, greatly affects the charging and discharging process of the energy storage device. In this paper, the mathematical model of the bidirectional DC/DC converter in the hybrid EMU system is studied. The modeling and transfer function analysis of Buck mode and Boost mode converters in detail are carried out by means of switching element average method. Moreover, the voltage and current double closed-loop control strategy of bidirectional DC/DC converter and the influence of DC capacitor C are introduced, which lays a foundation for further study on the stability of the whole hybrid EMU system.

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Dokumentinformationen

Titel :

Modeling Analysis and Control of Bidirectional DC/DC Converter in Hybrid EMU System

Weitere Titelangaben:

Lect. Notes Electrical Eng.

Beteiligte:

Jia, Limin (Herausgeber:in) / Qin, Yong (Herausgeber:in) / Liu, Baoming (Herausgeber:in) / Liu, Zhigang (Herausgeber:in) / Diao, Lijun (Herausgeber:in) / An, Min (Herausgeber:in) / Li, Wang (Autor:in) / Jin, Miaoxin (Autor:in) / Fan, Libing (Autor:in)

Kongress:

International Conference on Electrical and Information Technologies for Rail Transportation ; 2019 ; Qingdao, China October 25, 2019 - October 27, 2019

Erschienen in:

Proceedings of the 4th International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2019 ; Kapitel : 78 ; 805-817

Lecture Notes in Electrical Engineering ; 638

Erscheinungsdatum :

2020-04-08

Format / Umfang :

13 pages

ISBN :

978-981-15-2862-0 , 978-981-15-2861-3

ISSN :

1876-1119 , 1876-1100

DOI :