A 15-Level Switched-Capacitor Multilevel Inverter Structure with Self-Balancing Capacitor

Maryam Sarebanzadeh, Mohammad Ali Hosseinzadeh, Cristian Garcia, Ebrahim Babaei, Majid Hosseinpour, Ali Seifi, Jose Rodriguez

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


In this paper, a new switched capacitor-based structure is presented for a single-phase multilevel inverter. The proposed structure is capable of boosting the input voltage and producing fifteen voltage levels at the output utilizing two separated DC voltage sources along with a switched capacitor unit. The proposed structure also has self-charging capability and can automatically adjust the capacitor voltage without any sensor. A quantitative comparison with similar structures has been performed to confirm the proposed structure. Furthermore, loss and thermal simulations have been performed for the proposed structure. The functionality of the proposed structure is examined by the simulation results. Finally, a laboratory prototype is implemented to verify the effectiveness and accuracy of the proposed structure and its control method.

Original languageEnglish
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Publication statusAccepted/In press - 2021


  • Capacitors
  • Circuits and systems
  • DC-AC power converters
  • Multilevel inverters
  • multilevel inverters
  • switched capacitor circuit.
  • Switches
  • Switching circuits
  • Topology
  • Voltage

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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