Multi-Resonant Dynamics and Voltage Balancing of Multiphase Coupled Inductor FCML Converters

Daniel H. Zhou, Youssef Elasser, Minjie Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper systematically investigates coupled inductor balancing of flying capacitor multilevel (FCML) converters. Coupled inductors synergize with FCML converters by reducing inductor current ripple, reducing switch stress, and providing stronger and faster balancing of flying capacitors, including in the presence of disturbances, parameter uncertainties, and circuit asymmetries. The multi-resonant balancing dynamics of multiphase FCML converters are explored, connecting the balancing speed, frequency, and initial conditions. Simulations and experimental results are used to evaluate the effectiveness of coupled inductor balancing. Monte Carlo methods are employed to demonstrate how coupled inductors provide robust balancing even with varying parameters and disturbances.

Original languageEnglish (US)
Title of host publication2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3607-3614
Number of pages8
ISBN (Electronic)9798350316445
DOIs
StatePublished - 2023
Event2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States
Duration: Oct 29 2023Nov 2 2023

Publication series

Name2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023

Conference

Conference2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
Country/TerritoryUnited States
CityNashville
Period10/29/2311/2/23

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

Keywords

  • Monte Carlo methods
  • coupled inductor
  • dynamic analysis
  • dynamic balancing
  • flying capacitor multilevel converter
  • multi-resonance
  • voltage balancing

Fingerprint

Dive into the research topics of 'Multi-Resonant Dynamics and Voltage Balancing of Multiphase Coupled Inductor FCML Converters'. Together they form a unique fingerprint.

Cite this