Solid-state transformers in locomotives fed through AC lines: A review and future developments

S Farnesi, M Marchesoni, M Passalacqua, L Vaccaro - Energies, 2019 - mdpi.com
One of the most important innovation expectation in railway electrical equipment is the
replacement of the on-board transformer with a high power converter. Since the transformer …

Design of fuzzy-PI and fuzzy-sliding mode controllers for single-phase two-stages grid-connected transformerless photovoltaic inverter

K Zeb, SU Islam, WU Din, I Khan, M Ishfaq… - Electronics, 2019 - mdpi.com
Conventional Energy Resources (CER) are being rapidly replaced by Renewable Energy
Resources (RER) due to their abundant, environmentally friendly, clean, and inexhaustible …

Optimized circulating current control and enhanced AC fault Ride-Through capability using model predictive control for MMC-HVDC applications

JB Soomro, FA Chachar, MA Shah, AA Memon, F Alsaif… - Energies, 2023 - mdpi.com
This paper presents a novel model predictive control (MPC) approach for suppressing
circulating currents in MMC-based HVDC systems. The proposed MPC eliminates the need …

Control of output and circulating current of modular multilevel converter using a sliding mode approach

W Uddin, K Zeb, M Adil Khan, M Ishfaq, I Khan, S Islam… - Energies, 2019 - mdpi.com
The modular multilevel converter (MMC) has been prominently used in medium-and high-
power applications. This paper presents the control of output and circulating current of MMC …

Control of transformerless inverter-based two-stage grid-connected photovoltaic system using adaptive-pi and adaptive sliding mode controllers

K Zeb, MS Nazir, I Ahmad, W Uddin, HJ Kim - Energies, 2021 - mdpi.com
To enhance the move towards a sustainable society, the solar Photovoltaic (PV) industry
and its applications are progressing at a rapid rate. However, the associated issues need to …

Real-time controller design test bench for high-voltage direct current modular multilevel converters

S Ali, J Badar, F Akhter, SSH Bukhari, JS Ro - Applied Sciences, 2020 - mdpi.com
Modular multilevel converters (MMCs), with their inherent features and advantages over
other conventional converters, have gained popularity and remain an ongoing topic of …

Modular multilevel converter in electrified railway systems: Applications of rail static frequency converters and rail power conditioners

M Tanta, LAM Barros, JG Pinto… - … Forum (YEF-ECE), 2020 - ieeexplore.ieee.org
The Modular Multilevel Converter (MMC) has become the most preferable multilevel
converter topology for medium and high-power systems, due to the MMC's high reliability …

Control strategy based on arm-level control for output and circulating current of MMC in stationary reference frame

W Uddin, TDC Busarello, K Zeb, MA Khan, AK Yedluri… - Energies, 2021 - mdpi.com
This paper proposed a control method for output and circulating currents of modular
multilevel converter (MMC). The output and circulating current are controlled with the help of …

Innovative model predictive control for HVDC: circulating current mitigation and fault resilience in Modular Multilevel converters

MU Bhutto, JB Soomro, KH Ali, AA Memon… - Frontiers in Energy …, 2024 - frontiersin.org
This study presents an advanced Model Predictive Control (MPC) technique designed to
mitigate Circulating Current (CC) in HVDC systems equipped with Modular Multilevel …

[PDF][PDF] Hardware-in-the-loop setup for enhanced modular multi-level converter with reduced circulating currents

JB Soomro, KH Ali, AA Memon - International Journal of Electrical …, 2024 - academia.edu
Owing to its essential features, such as modularity and exceptional power quality, the
modular multilevel converter (MMC) emerges as the optimal converter topology for high …