Sliding mode capacitor voltage control in extended commutation cell based inverter

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Abstract

An extended commutation cell (ECC) is a four-port four-switch power processing cell that allows for bidirectional energy transport in two orthogonal directions throughout the structure. By cascading multiple cells a high-quality output voltage waveform can be constructed with a high number of levels. The voltage across each cell capacitor can be adjusted independently of the load, resulting in a high flexibility in output levels. This paper derives a robust sliding mode control algorithm for capacitor voltage control in ECC based converters. It includes a cell current estimator, being intended for fast regulation of the internal states of each cell. The proposed method is analyzed, simulated and experimentally verified on a 4.4 kW eight-level inverter prototype.
Original languageEnglish
Title of host publicationProceedings of the 8th International Power Electronics and Motion Control Conference (IPEMC 2016-ECCE Asia), May 22-25, 2016, Hefei, China
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1-7
Number of pages7
ISBN (Print)978-1-5090-1210-7
DOIs
Publication statusPublished - May 2016
Event8th International Power Electronics and Motion Control Conference - ECCE Asia (IPEMC 2016-ECCE Asia) - Platinum Hanjue Hotel, Hefei, China
Duration: 22 May 201625 May 2016
Conference number: 8
http://www.ipemc2016.org/

Conference

Conference8th International Power Electronics and Motion Control Conference - ECCE Asia (IPEMC 2016-ECCE Asia)
Abbreviated titleIPEMC 2016-ECCE Asia
CountryChina
CityHefei
Period22/05/1625/05/16
Internet address

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