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Flying capacitor multilevel inverters with novel PWM method [PDF]
Procedia Earth and Planetary Science, 2009 Flying capacitor multilevel inverters are increasingly used in industry applications. In order to improve the harmonic performance of the output voltage under low modulation index region, the paper presents a novel PWM method for flying capacitor ...
Chang-xin, Miao +7 more
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Decentralized Capacitor Voltage Control of Flying Capacitor Multilevel Inverter
2021 International Symposium on Electrical and Electronics Engineering (ISEE), 2021This paper proposes a decentralized capacitor voltage control strategy for the flying capacitor multilevel inverter (FC-MLI) in combination with the decentralized self-aligned phase-shifted pulse width modulation (PWM) (self-aligned carriers) method.
Quoc Dung Phan +6 more
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IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013
This paper investigates universal start-up procedure for Flying Capacitor Converter (FLC). Main part of this procedure is pre-charging of the dc-link and flying capacitors. This method is usable for voltage pre-charging in rectifier as well as inverter mode of the multilevel FLC converter. This specific feature is based on use of converter topology and
Dusan Janik +3 more
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This paper investigates universal start-up procedure for Flying Capacitor Converter (FLC). Main part of this procedure is pre-charging of the dc-link and flying capacitors. This method is usable for voltage pre-charging in rectifier as well as inverter mode of the multilevel FLC converter. This specific feature is based on use of converter topology and
Dusan Janik +3 more
openaire +2 more sources
The ARCP flying capacitor inverter
2005 European Conference on Power Electronics and Applications, 2005Reduction of switching losses is an important issue in development of high power multilevel converters. Improvement of the known soft switching techniques to find application in multilevel topologies is therefore a worth attempt started recently. This paper proposes a new auxiliary circuit for the flying capacitor multilevel converters realizing soft ...
A. Radan, M. Samaram
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IEEE Transactions on Power Electronics, 2008 This paper focuses on the development of multilevel hysteresis current regulation strategies. Two such strategies have been discussed and some modifications in their control tasks have been proposed to achieve more reliable and improved performance.
Anshuman Shukla, Avinash Joshi
exaly +2 more sources
Flying-capacitor boost converter
2012 Twenty-Seventh Annual IEEE Applied Power Electronics Conference and Exposition (APEC), 2012This paper introduces the flying-capacitor dc-dc boost converter. In the proposed topology, a high voltage gain ratio and improved conversion efficiency are achieved with low inductor core and copper losses. The input current ripple of the new converter is low while its ripple frequency is high, yielding a low-sized input filter.
Hamidreza Keyhani, Hamid A. Toliyat
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Initial Capacitor Charging in Grid-Connected Flying Capacitor Multilevel Converters
IEEE Transactions on Power Electronics, 2014This letter reports a method for the initial charging of capacitors in grid-connected flying capacitor (FC) multilevel converters. A resistor is inserted between each phase of the FC converter and the grid. A voltage balancing algorithm is activated from the beginning of the process and the FC converter generates proper output voltages to achieve ...
Ghias, Amer M.Y.M. +3 more
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IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468), 2004
This paper proposes a carrier-rotation (CR) PWM technique that is a new solution for the voltage unbalancing problem of flying capacitors in the flying capacitor multi-level inverter (FCMI). The proposed PWM technique equalizes the utilization of phase leg voltage redundancies corresponding to the charging and the discharging state of individual flying
null Won-Kyo Lee +3 more
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This paper proposes a carrier-rotation (CR) PWM technique that is a new solution for the voltage unbalancing problem of flying capacitors in the flying capacitor multi-level inverter (FCMI). The proposed PWM technique equalizes the utilization of phase leg voltage redundancies corresponding to the charging and the discharging state of individual flying
null Won-Kyo Lee +3 more
openaire +1 more source
Soft switching resonant converter with flying capacitor
IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013A new soft switching resonant converter is presented in this paper to reduce the switching losses on power MOSFETs and overcome the reverse recovery losses on rectifier diodes. Two half-bridge legs connected in series and two split capacitors are adopted to limit the voltage stress of each MOSFET at half input voltage and to reduce the current rating ...
Bor-Ren Lin +2 more
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Simple direct capacitor voltage balancing of a flying capacitor converter
2005 European Conference on Power Electronics and Applications, 2005This paper proposes a new charge control method for voltage balancing of flying capacitor multilevel converters. Only the signs of the deviations from the nominal capacitor voltages and the sign of the output current are needed to choose proper switching states for charging or discharging the ...
Clos, G. +3 more
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