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   Articles with "multilevel converters" as a keyword



Lifetime and reliability improvements in modular multilevel converters using controlled circulating current

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recommendations! Published in 2021 at "Journal of Power Electronics"

DOI: 10.1007/s43236-021-00297-7

Abstract: Circulating current has been an inherent feature of modular multilevel converters (MMC), which results in second-order harmonics on the arms currents. If not properly controlled, the circulating current can affect the lifetime and reliability of… read more here.

Keywords: modular multilevel; circulating current; controlled circulating; multilevel converters ... See more keywords

Research on cascaded multilevel converters for dual motor drive systems based on a nine‐switch converter

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recommendations! Published in 2024 at "IET Electric Power Applications"

DOI: 10.1049/elp2.12441

Abstract: In order to address the issues of complexity, high cost, large volume, and low reliability associated with traditional H‐bridge cascaded converters when operating under high voltage, high capacity, and dual electric motor loads, the authors… read more here.

Keywords: motor; switch converter; cascaded multilevel; nine switch ... See more keywords

Model‐based strategy for open‐circuit faults diagnosis in n ‐level CHB multilevel converters

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recommendations! Published in 2019 at "IET Power Electronics"

DOI: 10.1049/iet-pel.2018.5478

Abstract: Here, the authors study open-circuit faults (OCFs) in the power switches of multilevel converters with a model-based perspective. In specific, the authors address single-phase cascaded H-bridge (CHB) converters with n -levels in its output voltage… read more here.

Keywords: circuit faults; model based; open circuit; multilevel converters ... See more keywords

New modulation scheme and voltage balancing control of modular multilevel converters for modern electric ships

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recommendations! Published in 2019 at "IET Power Electronics"

DOI: 10.1049/iet-pel.2018.6362

Abstract: The distinctive features such as fault-tolerability, modularity, power and voltage scalability have propelled modular multilevel converters (MMCs) as one of the emerging power converter topologies for marine applications. Pulse-width modulation (PWM) schemes are widely used… read more here.

Keywords: voltage balancing; control; voltage; scheme ... See more keywords

Three‐level PN cell for multilevel converters

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recommendations! Published in 2020 at "Iet Power Electronics"

DOI: 10.1049/iet-pel.2019.0559

Abstract: Multilevel converters rely on plurality of DC capacitors switched in specific patterns to obtain the necessary output voltage level. Modular multilevel converter, flying capacitor converter (FLC) and neutral point clamped (NPC) converters require complex control… read more here.

Keywords: voltage; multilevel; multilevel converters; three level ... See more keywords

Predictive Nearest-Level Control Algorithm for Modular Multilevel Converters With Reduced Harmonic Distortion

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recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2020.3048156

Abstract: Owing to the low number of submodules (SMs) in modular multilevel converters (MMCs), especially in medium-voltage applications, the output current and voltage generated by conventional nearest-level control (NLC) methods contain evident distortions. Previously, various hybrid… read more here.

Keywords: control; voltage; level; modular multilevel ... See more keywords

Universal Equivalent Model for Real-Time CPU/FPGA Co-Simulation of Hybrid Cascaded Multilevel Converters

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recommendations! Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3235272

Abstract: Real-time simulation is important for ensuring the reliable operation of VSC-HVDC converters in power grids, particularly through the use of rapid control prototyping (RCP) and hardware-in-the-loop (HIL) based converter controllers. While real-time simulation is a… read more here.

Keywords: time; multilevel converters; real time; equivalent model ... See more keywords

Study and Comparison of Discontinuous Modulation for Modular Multilevel Converters in Motor Drive Applications

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recommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2018.2847621

Abstract: Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation… read more here.

Keywords: modulation; modular multilevel; multilevel converters; discontinuous modulation ... See more keywords

Fault-Tolerant Space Vector Modulation for Modular Multilevel Converters With Bypassed Faulty Submodules

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recommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2018.2860518

Abstract: This paper develops a modulation based fault-tolerant (FT) strategy for restoring the operation of three-phase modular multilevel converters (MMCs) with faulty switches. This FT strategy is based on a proposed modified space vector modulation (SVM)… read more here.

Keywords: fault tolerant; space vector; strategy; modulation ... See more keywords

A Unified Startup Strategy for Modular Multilevel Converters With Deadbeat Predictive Current Control

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recommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2020.3007080

Abstract: Modular multilevel converters (MMCs) are very promising and attractive in medium-/high-voltage applications. One of the main technical challenges associated with MMCs is to precharge all submodule (SM) capacitors to their nominal voltage values during a… read more here.

Keywords: deadbeat predictive; predictive current; startup strategy; strategy ... See more keywords

Distributed Continuous Control Set Model Predictive Control Using Nash Equilibrium for Flying Capacitor Multilevel Converters

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recommendations! Published in 2025 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2024.3417970

Abstract: This article presents a novel distributed model predictive control (DMPC) method for multilevel converters with multiple switching configurations. The central aspect of the control approach is to organize the dynamic game among multiple subcontrollers and… read more here.

Keywords: model predictive; control; predictive control; dmpc ... See more keywords