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Design and Implementation of a (Flying) Flying Capacitor Multilevel Converter
2022 IEEE Applied Power Electronics Conference and Exposition (APEC), 2022Multilevel switched-capacitor converters, such as the flying capacitor multilevel (FCML) converter, offer high energy density and efficiency, over a wide voltage range, making them suitable for applications in electrified aircraft.
Samantha Coday +3 more
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
In this article, a novel flying capacitor-based multilevel topology is presented to minimize the size and cost. The proposed topology can operate in the symmetrical and asymmetrical configuration of dc sources and produces the 9-level and 25-level output
C. Sadanala +2 more
semanticscholar +1 more source
In this article, a novel flying capacitor-based multilevel topology is presented to minimize the size and cost. The proposed topology can operate in the symmetrical and asymmetrical configuration of dc sources and produces the 9-level and 25-level output
C. Sadanala +2 more
semanticscholar +1 more source
A Modular Multilevel DC–DC Converter With Flying Capacitor Converter Like Properties
IEEE transactions on industrial electronics (1982. Print), 2022This article proposes a novel modular multilevel dc-dc converter with high power-density potential based on a cascaded string of voltage source submodules (VSMs) merged with a current source submodule (CSM) that is configured to rapidly invert the ...
P. Gray, P. Lehn, Netan Yakop
semanticscholar +1 more source
IEEE transactions on power electronics, 2022
Capacitor voltage natural balancing is an attractive feature of flying capacitor multilevel (FCML) converters. However, with the commonly used phase-shifted pulsewidth modulation, the capacitor voltages still can deviate, and active balancing is often ...
Zichao Ye +3 more
semanticscholar +1 more source
Capacitor voltage natural balancing is an attractive feature of flying capacitor multilevel (FCML) converters. However, with the commonly used phase-shifted pulsewidth modulation, the capacitor voltages still can deviate, and active balancing is often ...
Zichao Ye +3 more
semanticscholar +1 more source
Active capacitor voltage control of flying capacitor multilevel converters
IEE Proceedings - Electric Power Applications, 2004A novel control strategy for voltage balancing of flying capacitor multilevel converters controlled with phase shifted SPWM is presented. Based on the polarity of the phase current, a relatively small square wave is added to the nominal modulation signals (typically sinusoidal) controlling the converter switches and in this way the flying capacitor ...
Xu, L., Agelidis, V.G.
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IEEE transactions on industrial electronics (1982. Print), 2022
Leakage current issues are worthy of attention for nonisolated grid-connected systems. This article introduces the method of eliminating common-mode (CM) voltage and reducing the leakage current based on modulation, and analyzes the correlation between ...
Xuan Zhao +4 more
semanticscholar +1 more source
Leakage current issues are worthy of attention for nonisolated grid-connected systems. This article introduces the method of eliminating common-mode (CM) voltage and reducing the leakage current based on modulation, and analyzes the correlation between ...
Xuan Zhao +4 more
semanticscholar +1 more source
Capacitor Voltage Balancing Schemes in Flying Capacitor Multilevel Inverters
2007 IEEE Power Electronics Specialists Conference, 2007This paper focuses on the development of capacitor voltage balancing methods in a flying capacitor multilevel inverter (FCMLI). Three such strategies have been described and have been applied to a five-level CMLI. The sinusoidal pulse width modulation technique has been used while making the proposals.
Anshuman Shukla +2 more
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IEEE transactions on power electronics, 2022
Energy storage system (ESS) has been widely used in photovoltaic system to ensure stable power generation. This article proposes a flying capacitor bidirectional buck–boost converter (FCBBC), aiming at making the ESS work with bidirectional four quadrant
Kaitao Bi +6 more
semanticscholar +1 more source
Energy storage system (ESS) has been widely used in photovoltaic system to ensure stable power generation. This article proposes a flying capacitor bidirectional buck–boost converter (FCBBC), aiming at making the ESS work with bidirectional four quadrant
Kaitao Bi +6 more
semanticscholar +1 more source
IEEE transactions on power electronics
This article introduces a seven-level nested switched-capacitor (7L-NSC) inverter topology designed to reduce the flying capacitors and extend their operational lifetime. The proposed 7L-NSC topology utilizes two symmetrical flying capacitors, each rated
Javad Ebrahimi +3 more
semanticscholar +1 more source
This article introduces a seven-level nested switched-capacitor (7L-NSC) inverter topology designed to reduce the flying capacitors and extend their operational lifetime. The proposed 7L-NSC topology utilizes two symmetrical flying capacitors, each rated
Javad Ebrahimi +3 more
semanticscholar +1 more source
Level-Shifted PWM Techniques Applied to Flying Capacitor Multilevel Inverter
2022 International Conference on Electronics and Renewable Systems (ICEARS), 2022This paper presents the level-shift PWM technique applied to the flying capacitor three-phase five-level inverter. The advantages of the proposed inverter compared to other MLIs, single DC source required, not required more number clamping diodes like ...
Khammampati R. Sreejyothi +5 more
semanticscholar +1 more source