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An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

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An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter. / Ebrahimi, Javad ; Nasr Esfahani, Fatemeh; Eren, Suzan et al.
IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. Chicago, IL, USA: IEEE, 2025.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Ebrahimi, J, Nasr Esfahani, F, Eren, S & Bakhshai, A 2025, An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter. in IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. IEEE, Chicago, IL, USA, The 2024 Annual Conference of the IEEE Industrial Electronics Society (IECON), Illinois, United States, 3/11/24. https://doi.org/10.1109/IECON55916.2024.10905229

APA

Ebrahimi, J., Nasr Esfahani, F., Eren, S., & Bakhshai, A. (2025). An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter. In IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society IEEE. https://doi.org/10.1109/IECON55916.2024.10905229

Vancouver

Ebrahimi J, Nasr Esfahani F, Eren S, Bakhshai A. An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter. In IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. Chicago, IL, USA: IEEE. 2025 Epub 2024 Nov 3. doi: 10.1109/IECON55916.2024.10905229

Author

Ebrahimi, Javad ; Nasr Esfahani, Fatemeh ; Eren, Suzan et al. / An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter. IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. Chicago, IL, USA : IEEE, 2025.

Bibtex

@inproceedings{efc80e42ff6143e2a39f8362edc1cc5f,
title = "An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter",
abstract = "The four-level single flying capacitor converter (4L-SFC) is an efficient topology for medium-voltage applications, offering a reduced component count over traditional four-level flying capacitor converters. However, maintaining balanced capacitor voltages is a key challenge in this topology, which is critical for stable and reliable operation. In this paper, an active voltage balancing method for 4L-SFC converters is presented, using a straightforward algorithm to adjust voltage levels in response to real-time measurements of capacitor voltages and phase currents. As a result of the proposed method, capacitor voltages remain balanced across a wide range of modulation indexes and operating conditions without significantly increasing switching frequency. Simulation results have demonstrated the effectiveness of the proposed approach, demonstrating that it is capable of maintaining stable capacitor voltages.",
author = "Javad Ebrahimi and {Nasr Esfahani}, Fatemeh and Suzan Eren and Alireza Bakhshai",
year = "2025",
month = mar,
day = "10",
doi = "10.1109/IECON55916.2024.10905229",
language = "English",
isbn = "9781665464550",
booktitle = "IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society",
publisher = "IEEE",
note = "The 2024 Annual Conference of the IEEE Industrial Electronics Society (IECON) : IECON 2024 ; Conference date: 03-11-2024 Through 06-11-2024",
url = "https://www.iecon-2024.org/_files/ugd/760f5b_2d44e08b16374a8eae5e7fec21951c88.pdf",

}

RIS

TY - GEN

T1 - An Active Capacitor Voltage Balancing Method for a Four-Level Single Flying Capacitor Converter

AU - Ebrahimi, Javad

AU - Nasr Esfahani, Fatemeh

AU - Eren, Suzan

AU - Bakhshai, Alireza

PY - 2025/3/10

Y1 - 2025/3/10

N2 - The four-level single flying capacitor converter (4L-SFC) is an efficient topology for medium-voltage applications, offering a reduced component count over traditional four-level flying capacitor converters. However, maintaining balanced capacitor voltages is a key challenge in this topology, which is critical for stable and reliable operation. In this paper, an active voltage balancing method for 4L-SFC converters is presented, using a straightforward algorithm to adjust voltage levels in response to real-time measurements of capacitor voltages and phase currents. As a result of the proposed method, capacitor voltages remain balanced across a wide range of modulation indexes and operating conditions without significantly increasing switching frequency. Simulation results have demonstrated the effectiveness of the proposed approach, demonstrating that it is capable of maintaining stable capacitor voltages.

AB - The four-level single flying capacitor converter (4L-SFC) is an efficient topology for medium-voltage applications, offering a reduced component count over traditional four-level flying capacitor converters. However, maintaining balanced capacitor voltages is a key challenge in this topology, which is critical for stable and reliable operation. In this paper, an active voltage balancing method for 4L-SFC converters is presented, using a straightforward algorithm to adjust voltage levels in response to real-time measurements of capacitor voltages and phase currents. As a result of the proposed method, capacitor voltages remain balanced across a wide range of modulation indexes and operating conditions without significantly increasing switching frequency. Simulation results have demonstrated the effectiveness of the proposed approach, demonstrating that it is capable of maintaining stable capacitor voltages.

U2 - 10.1109/IECON55916.2024.10905229

DO - 10.1109/IECON55916.2024.10905229

M3 - Conference contribution/Paper

SN - 9781665464550

BT - IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society

PB - IEEE

CY - Chicago, IL, USA

T2 - The 2024 Annual Conference of the IEEE Industrial Electronics Society (IECON)

Y2 - 3 November 2024 through 6 November 2024

ER -