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A New Topology of Modular Multilevel Converter With Voltage Self-Balancing Ability
IEEE Access, 2019 The modular multilevel converter (MMC) has been used in the field of HVDC transmission due to its many advantages, but its voltage imbalance problem of sub-module capacitors affects the stable operation of the system.
Hongchun Shu, Shunguang Lei, Xincui Tian
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A novel high-gain isolated quasi Z-source DC-DC converter with self-balancing bipolar outputs [PDF]
Scientific ReportsThis paper introduces a high-gain isolated quasi-Z-source DC-DC converter designed to achieve a substantial voltage boost through the utilization of transformer turns ratio using only a single power switch. The proposed topology reduces voltage stress on
Sobhan Heidarbozorg, Hamid Radmanesh
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A Novel Z-Type Self-Balancing Modular Multilevel Converter for Flywheel Driving Applications [PDF]
E3S Web of Conferences, 2021 With the development of flywheel technology, the speed and the voltage level of flywheel continue to increase. The Z-type self-balancing modular multilevel converter can have a wide frequency range at medium voltage and is suitable for flywheel driving ...
Cheng Shuoqi +4 more
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Energies, 2021 A large number of modular multilevel converters (MMC) are connected to HVDC transmission systems nowadays. This paper aims at the short-circuit fault in the DC line of the HVDC transmission system and the problem of capacitor voltage imbalance in MMC ...
Yuqi Pang +4 more
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IET Power Electronics, 2021 This paper presents a novel voltage self‐balancing converter (VBC) applied to DC solid‐state transformer (DCSST), analyzes the operating principle of the proposed VBC, and proves the voltage balance performance.
Peng Wang +5 more
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Neutral-Point Voltage Balancing Method for Three-Phase Three-Level Dual-Active-Bridge Converters
Energies, 2022 Three-phase three-level dual-active-bridge (3L-DAB3) converters are a potential topology for high-voltage and high-power applications. Neutral-point voltage balancing is a complex and important issue for three-level (3L) circuits.
Xinmi Wu, Yu Zhang, Jiawen Yang
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International Transactions on Electrical Energy Systems, 2022 In this article, the switched capacitor (SC) based high step-up multilevel inverter is proposed with self-balancing capability. The proposed SC inverter topology is to step up the high output voltage from the very low input voltage without any bulky ...
M. Venkatesan +5 more
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A Switched-Capacitor-Based 7-Level Self-Balancing High-Gain Inverter Employing a Single DC Source
International Transactions on Electrical Energy Systems, 2023 This paper discloses a novel switched capacitor (SC)-based 7-level inverter with a single DC source. The proposed inverter has the ability to self-balancing the voltage of the capacitor without using a closed-loop voltage balancing circuit.
Yatindra Gopal +3 more
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Applied Sciences, 2021 The apparent advantages of Multilevel Inverter (MLI) topologies in handling medium and high power with less loss in switching and lower harmonic distortion in an output voltage waveform makes it better than the conventional inverter.
Mu Anas +7 more
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IET Power Electronics, 2023 This study presents a submodule capacitor voltage self‐balancing method for modular multilevel converters (MMCs) based on switching state matrix construction, which has an advantage over eliminating massive sensor demanding and alleviating computational ...
Zhou Yiyuan +7 more
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