System Level Real-Time Simulation and Hardware-in-the-Loop Testing of MMCs
Energies, 2021 In this paper we present an approach for real-time simulation and Hardware-in-the-Loop (HIL) testing of Modular Multilevel Converters (MMCs) that rely on switching models while supporting system level analysis.
Michele Difronzo +4 more
doaj +1 more source
Modified half-bridge modular multilevel converter for HVDC systems with DC fault ride-through capability [PDF]
, 2014 One of the main challenges of voltage source converter based HVDC systems is DC faults. In this paper, two different modified half-bridge modular multilevel converter topologies are proposed.
Aboushady, A.A., Ahmed, K.H.
core +2 more sources
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
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
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
CES Transactions on Electrical Machines and Systems, 2020 1Abstract—Modular multilevel converters (MMCs) have been one of the most broadly used multilevel converter topologies in industrial applications, particularly in medium-voltage motor drives and high-voltage dc power conversion systems.
Jiangbiao He, Qichen Yang, Z. Wang
semanticscholar +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