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Digital compensation of DC-DC converter voltage ripple for Switched-Capacitor Power Amplifiers
2016 14th IEEE International New Circuits and Systems Conference (NEWCAS), 2016This paper presents a novel method to digitally compensate the voltage ripple of a DC-DC switching converter supplying a Switched-Capacitor Power Amplifier (SCPA). Switched DC-DC converters are highly efficient, but their output voltage exhibits a small switching ripple.
Stefan Trampitsch +4 more
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Reduction of DC-bus voltage ripples and capacitors for single-phase PWM-controlled rectifiers
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012The problem of voltage/current ripples is a primary concern for DC systems, e.g. those with fuel cells and batteries. It could seriously deteriorate the system performance on both the source side and the load side. In this paper, a single-phase PWM-controlled rectifier is taken as an example to analyse the ripple energy that causes the voltage ripples ...
Qing-Chang Zhong +3 more
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Voltage Balancing Strategy for mitigating capacitor ripple voltage in modular multilevel converter
2022 Advances in Science and Engineering Technology International Conferences (ASET), 2022S. Sheik Hussain +3 more
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A Low Output Voltage Ripple Fully-Integrated Switched-Capacitor DC-DC Converter
2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS), 2019A fully-integrated switched-capacitor (SC) DC-DC converter that steps down 3.3 V to 1.5 V with a peak efficiency of 68% is implemented in a 2P3M 0.6-µm CMOS process with a 555 pF poly-poly flying capacitor and a 1.34 nF MOS tank capacitor. This paper demonstrates a means of applying a low-frequency input clock as part of a time-interleaving technique ...
Anurag Veerabathini, Paul M. Furth
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2013 IEEE Energy Conversion Congress and Exposition, 2013
In this paper, a single-phase voltage-doubler with mismatched capacitors that converts a single-phase AC voltage to two balanced DC output voltages is proposed. It is based on a half-bridge rectifier and consists of two legs: one rectification leg to convert the AC voltage to DC output voltage and one neutral leg to split the DC output voltage into two
Wen-Long Ming, Qing-Chang Zhong
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In this paper, a single-phase voltage-doubler with mismatched capacitors that converts a single-phase AC voltage to two balanced DC output voltages is proposed. It is based on a half-bridge rectifier and consists of two legs: one rectification leg to convert the AC voltage to DC output voltage and one neutral leg to split the DC output voltage into two
Wen-Long Ming, Qing-Chang Zhong
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Modular multilevel converter: theoretical analysis and capacitor voltage ripple effects
2012A theoretical analysis of the Modular Multilevel Converter is presented. The interaction between arm currents and modulating signals causes capacitors voltage oscillation at both fundamental frequency and twice the fundamental frequency. Capacitors voltage oscillation is the cause of undesired DC and second order harmonic voltage in the converter arms,
P. Bordignon +3 more
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Circulating Current Suppression in MMC Using Submodule Capacitor Voltage Ripples
IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics SocietyVivek P. V, Anshuman Shukla
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Elimination of DC-Link Voltage Ripple in PMSM Drives With a DC-Split-Capacitor Converter
IEEE Transactions on Power Electronics, 2021Xiaoyong Zhu, Li Quan, Lei Xu
exaly