Flying capacitor resonant pole inverter applying five voltage levels

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Industrial applications, e.g. semiconductor manufacturing equipment, require power amplifiers providing high power with high precision and bandwidth. Due to limitations in system infrastructure, increasing voltage is favorable to increasing current to generate more output power. This research presents a 5-level Flying Capacitor Resonant Pole Inverter (FC RPI) configuration that delivers high output voltage and high switching frequency with reduced switch voltage stress. A multilevel modulation scheme is applied to minimize conduction losses, which, in addition, guarantees Zero-Voltage Switching (ZVS) for the entire operating range to minimize switching losses. Both the flying capacitor voltages and the output current are controlled actively closed-loop, resulting in a high accuracy output signal. The concept is validated by simulation, paving the way for future firmware and hardware implementation. Index Terms-Flying capacitor, modulation schemes, multilevel, power converter, resonant pole inverter, zero voltage switching.

Original languageEnglish
Title of host publication2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages8
ISBN (Electronic)978-1-5090-2998-3
ISBN (Print)978-1-5090-2999-0
Publication statusPublished - 3 Nov 2017
Event9th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2017) - Cincinnati, United States
Duration: 1 Oct 20175 Oct 2017
Conference number: 9


Conference9th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2017)
Abbreviated titleECCE 2017
Country/TerritoryUnited States
Internet address


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