Double-Loop Control Strategy for Buck/Boost-CLLLC Two-Stage Bidirectional DC/DC Converter
This paper adopts Buck/Boost and CLLLC cascade topology. Buck/Boost-CLLLC two-stage bidirectional DC/DC converter topology and its control strategy are suitable for medium and high-power applications with large fluctuation range of input voltage and bidirectional flow of power and have the advantages of wide input voltage range and high efficiency. Aiming at Buck/Boost-CLLLC two-stage bidirectional DC/DC converter, the working principle of bidirectional Buck/Boost converter and bidirectional CLLLC resonant converter is analyzed. The small-signal model of bidirectional Buck/Boost converter and bidirectional CLLLC resonant converter is built. A dual-loop control strategy for two-stage DC/DC converter is proposed, and a dual-loop controller is designed. Finally, the simulation model is built to verify. The validity of double-loop control strategy of Buck/Boost-CLLLC two-stage bidirectional DC/DC converter in wide input voltage range is verified. And the bidirectional power flow of Buck/Boost-CLLLC two-stage bidirectional converter is verified.
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Supplemental Notes:
- © Springer Nature Singapore Pte Ltd. 2020.
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Corporate Authors:
Springer Singapore
152 Beach Road
Singapore, 189721 -
Authors:
- Huang, Linghang
- Chen, Jie
- Qiu, Ruichang
- Liu, Zhigang
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Conference:
- 4th International Conference on Electrical and Information Technologies for Rail Transportation (EITRT 2019)
- Location: Qingdao , China
- Date: 2019-10-25 to 2019-10-27
- Publication Date: 2020-4
Language
- English
Media Info
- Media Type: Web
- Edition: 1
- Features: References;
- Pagination: pp 171-181
- Monograph Title: Proceedings of the 4th International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2019: Novel Traction Drive Technologies of Rail Transportation
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Serial:
- Lecture Notes in Electrical Engineering
- Volume: 638
- Publisher: Springer
- ISSN: 1876-1100
Subject/Index Terms
- TRT Terms: Direct current; Feedback control; Loops (Control systems); Power converters; Power factor (Electricity)
- Subject Areas: Design; Railroads; Vehicles and Equipment;
Filing Info
- Accession Number: 01928283
- Record Type: Publication
- ISBN: 9789811528613
- Files: TRIS
- Created Date: Aug 23 2024 3:26PM