Hardware-in-the-Loop Modeling of an Actively Fed MVDC Railway Systems of the Future
IEEE Access, 2021 This paper presents an averaged real-time model of an arbitrary size MVDC railway system. In contrast to references already available in the literature, focusing mainly on specific parts of such a railway network (e.g.
Stefan Milovanovic +3 more
doaj +1 more source
Active power losses distribution methods for the modular multilevel converter [PDF]
, 2016 Modular Converters such as the MMC have become the new standard in VSC-HVDC applications. Their modularity has brought many industrial advantages but also increased the complexity of their operation.
Merlin, MMC, Mitcheson, PD
core +1 more source
An Overview of Modelling Techniques and Control Strategies for Modular Multilevel Matrix Converters
Energies, 2020 The Modular Multilevel Matrix Converter is a relatively new power converter topology appropriate for high-power Alternating Current (AC) to AC purposes. Several publications in the literature have highlighted the converter capabilities such as modularity,
Matias Diaz +7 more
doaj +1 more source
Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters [PDF]
, 2015 This paper focuses on the behaviour of the cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. Active switches, not designed for fault conditions, are tripped to minimize discharge currents effect on the ...
Aboushady, A.A., Ahmed, K.H., Jovcic, D.
core +2 more sources
Hybrid Modular Multilevel Converters for High-AC/Low-DC Medium-Voltage Applications
IEEE Open Journal of Power Electronics, 2023 With ever-increasing power-density requirements, technologies such as energy storage systems and electric-vehicles can benefit greatly from interfacing medium-voltage (MV)-AC grid like 13.8kV or 30kV using high-AC/low-DC voltage converter.
Jayesh Kumar Motwani +4 more
doaj +1 more source
Cost and losses associated with offshore wind farm collection networks which centralise the turbine power electronic converters [PDF]
, 2013 Costs and losses have been calculated for several different network topologies, which centralise the turbine power electronic converters, in order to improve access for maintenance.
Anaya-Lara, Olimpo, Parker, Max
core +1 more source
AC-Side Impedance-Based Stability Assessment in Grid-Forming Modular Multilevel Converters
IEEE AccessGrid-forming converters can emulate the behavior of a synchronous generator through frequency droop control. The stability of grid-forming modular multilevel converters can be studied via the impedance-based stability criterion. This paper presents an ac-
Mehrdad Nahalparvari +3 more
doaj +1 more source
DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]
, 2015 Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A. +2 more
core +2 more sources
Stabilization of voltages on capacitors of cells in modular multilevel inverters with space-vector PWM [PDF]
, 2019 За последние два десятилетия появился новый тип полупроводниковых преобразователей электроэнергии –модульные многоуровневые преобразователи. Данная топология схемотехнически состоит из n-го числа последовательно включенных транзисторно-емкостных модулей ...
Нерубацкий, Владимир Павлович +2 more
core +1 more source
Measurement + ControlModular multilevel converters are widely used voltage source converters in a variety of applications, such as power transmission, renewable energy, and motor drives.
Bhavik Brahmbhatt +5 more
doaj +1 more source