Title Capacitor voltage balancing modulation approach for 5-Level DCC in inverter application
Authors NIETO CARDONA, JUAN DIEGO, Montero-Robina P. , GÓMEZ-ESTERN AGUILAR, FABIO
External publication No
Means 45th Annual Conference Of The Ieee Industrial Electronics Society (iecon 2019)
Scope Conference Paper
Nature Científica
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85084041616&doi=10.1109%2fIECON.2019.8927348&partnerID=40&md5=9c975d626e942e429646f68fbf5f2e7a
Publication date 01/01/2019
Scopus Id 2-s2.0-85084041616
DOI 10.1109/IECON.2019.8927348
Abstract This article presents a modulation strategy for 5-level diode clamped for inverter applications. This modulation aims to implement a strategy to use the nearest-level modulation (NLM) in 5-level diode-clamped converter (DCC) while dealing with the capacitor voltage issue. In this way, a commutation-saving modulation approach is proposed. To achieve such purpose, the model of the converter is deeply analyzed and an strategy to select the common component is proposed. Such strategy is calculated offline and the solution is stored as a multidimensional array to be used during online operation. The effectiveness and good performance of the strategy is therefore validated by simulation results. © 2019 IEEE.
Keywords Electric inverters; Industrial electronics; Capacitor voltage balancing; Capacitor voltages; Diode-clamped; Inverter application; Modulation strategy; Multidimensional arrays; Offline; Online operations; Modulation
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