Results 41 to 50 of about 14,714 (276)

Reducing Submodule Capacitance for Modular Multilevel Converter-Based Medium-Voltage Wind Power Converter

open access: yesFrontiers in Energy Research, 2022
This study presents a strategy to reduce the capacitance of the submodule (SM) capacitor of a modular multilevel converter-based medium-voltage wind power converter. The design of the SM capacitor of the modular multilevel converter (MMC) should consider
Jianhang Qian   +4 more
doaj   +1 more source

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

Modeling and enhanced control of hybrid full bridge–half bridge MMCs for HVDC grid studies [PDF]

open access: yes, 2020
Modular multilevel converters (MMCs) are expected to play an important role in future high voltage direct current (HVDC) grids. Moreover, advanced MMC topologies may include various submodule (SM) types. In this sense, the modeling of MMCs is paramount
Forner, Jaume, Vidal-Albalate, Ricardo
core   +1 more source

Passive Voltage Balancing In Modular Multilevel Converter During Precharge: Analysis And Design

open access: yesEletrônica de Potência, 2020
The modular multilevel converter is composed of many equal submodules connected in series, each having to ideally withstand the same voltage and current stresses. The resulting configuration when each SM capacitor feeds its own auxiliary power supply is
Gean Jacques Maia de Sousa   +3 more
doaj   +1 more source

Full Bridge MMC Converter Optimal Design to HVDC Operational Requirements [PDF]

open access: yes, 2015
This project is funded by RTE, Paris, FrancePeer ...
Jovcic, Dragan   +3 more
core   +1 more source

Arm current reversal‐based modular multilevel DC‐DC converter

open access: yesIET Power Electronics, 2021
Nowadays, most of the converters used in high‐power high‐voltage (HV) applications are the conventional modular multilevel converters (MMC). However, in the case of DC‐DC conversion, an imbalance of the capacitor voltages occurs and the conventional MMC ...
Yousef Nazih   +2 more
doaj   +1 more source

Distributed control of a fault tolerant modular multilevel inverter for direct-drive wind turbine grid interfacing [PDF]

open access: yes, 2012
Modular generator and converter topologies are being pursued for large offshore wind turbines to achieve fault tolerance and high reliability. A centralized controller presents a single critical point of failure which has prevented a truly modular and ...
Finney, Stephen, Parker, Max, Ran, Li
core   +1 more source

A hybrid DC-DC modular multilevel converter with capacitors parallel connectivity for arm energy balancing

open access: yesAlexandria Engineering Journal, 2023
The integration of renewable energy sources in Medium-/High-voltage DC grids has called up continuous research to develop DC-DC conversion systems. This paper presents a hybrid modular multilevel DC-DC converter topology which successfully overcomes the ...
Mai Diab   +2 more
doaj   +1 more source

The Series Bridge Converter (SBC): design of a compact modular multilevel converter for grid applications [PDF]

open access: yes, 2016
This paper presents a novel hybrid modular multilevel voltage source converter suitable for grid applications. The proposed converter retains the advantages of other modular multilevel topologies and can be made more compact making it attractive for ...
Amankwah, Emmanuel K.   +6 more
core   +1 more source

ESBC: an enhanced modular multilevel converter with H-bridge front end [PDF]

open access: yes, 2017
This paper presents the Enhanced Series Bridge Converter (ESBC), a hybrid modular multilevel converter with H-bridge front end suitable for high power grid applications.
Amankwah, Emmanuel   +4 more
core   +1 more source

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