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Abstract
Modular multilevel converters are an emerging class of converters for traction applications. Supercapacitor energy storage integration within the sub-module provides multiple advantages compared to the traditional two-level design in terms of reliability, power quality, drive efficiency and recovery of regenerative energy. This paper explores different topologies of modular multilevel converters with integrated supercapacitor energy storage system for the typical voltages (750 V, 1.5 kV and 3 kV) of the railway traction system. The paper first derives different ways of integrating supercapacitor modules using a modular multilevel configuration. Thereafter, a detailed comparison in terms of converter cost/VA rating, reliability and suitability for traction drive systems have been presented to identify the most suitable modular converter scheme with integrated energy storage.
Original language | English |
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Title of host publication | 2015 17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
ISBN (Print) | 9789075815221 |
DOIs | |
Publication status | Published - 27 Oct 2015 |
Event | 17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015 - Geneva, Switzerland Duration: 8 Sept 2015 → 10 Sept 2015 |
Conference
Conference | 17th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2015 |
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Country/Territory | Switzerland |
City | Geneva |
Period | 8/09/15 → 10/09/15 |
Keywords
- energy storage
- Multilevel converters
- reliability
- supercapacitors
- traction systems
ASJC Scopus subject areas
- Fuel Technology
- Electrical and Electronic Engineering
- Energy Engineering and Power Technology
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Dive into the research topics of 'Modular multilevel converter based supercapacitor integration strategies and their comparative evaluation for railway traction drive systems'. Together they form a unique fingerprint.Projects
- 1 Finished
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A New Generation of Modular Multilevel Converters Integrating Energy Storage Devices for Dual-Voltage Railways
Engineering & Physical Science Research Council
21/08/14 → 20/02/16
Project: Research Councils