Inductive fault current limiters in VSC-HVDC systems: A review

H Zhou, J Yuan, F Chen, B Chen - IEEE Access, 2020 - ieeexplore.ieee.org
Fast emerging fault current levels in high voltage direct current (HVDC) systems has always
been a significant obstacle to building a safer and more reliable grid. Inductive fault current …

Review on topology‐based dc short‐circuit fault ride‐through strategies for MMC‐based HVDC system

Y Wan, M Mao, L Zhou, X Xi, B Xie… - IET Power …, 2020 - Wiley Online Library
Modular multilevel converter (MMC) based high‐voltage direct‐current (HVDC) transmission
system is a promising solution to the bulk power transmission over a long distance …

Analytical estimation of MMC short-circuit currents in the AC in-feed steady-state stage

M Li, Y Luo, J He, Y Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Modular multilevel converters (MMCs) are vulnerable to DC short-circuit faults. Analytical
estimation of the AC and DC short-circuit currents in the AC in-feed steady-state stage is …

Initialisation of a hybrid AC/DC power system for harmonic stability analysis using a power flow formulation

A Lekić, H Ergun, J Beerten - High Voltage, 2020 - Wiley Online Library
This study presents the initialisation of a hybrid alternating current/direct current (AC/DC)
power system to determine the operation point around which the system is linearised as a …

Analysis and suppression of voltage oscillation at DC circuit breaker terminal in DC fault transient process

H Shen, X Huang, L Qi, X Zhang, X Ni, P Qiu… - High …, 2022 - Wiley Online Library
High‐frequency voltage oscillation occurs at the initial stage of DC short‐circuit fault in the
modular multilevel converter (MMC)‐based high‐voltage direct‐current systems, which …

Analysis and Mitigation of Transient Overvoltage and Voltage Imbalance in Submodule Capacitors for MMC-Based Grid Emulators

Z Li, F Zhao, S Munk-Nielsen… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
The modular multilevel converter (MMC) has recently emerged as a promising candidate for
medium-voltage megawatt grid emulators (GEs). However, when emulating grid faults, the …

Distributed Input Multiport MMC Based Power Converter for AC and DC Loads

TC Cano, A Rodriguez, I Castro… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A distributed input multiport topology is proposed in this letter based on the use of a modular
multilevel converter (MMC). The distributed input modular multilevel converter (DIMMC) is …

An approximated analytical model for pole-to-ground faults in symmetrical monopole MMC-HVDC systems

VA Lacerda, RM Monaro… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Developing pole-to-ground (PG) fault models for modular multilevel converters (MMCs) is
not straightforward due to the fault asymmetry and converter switching concerning blocking …

A DC fault current fast-computing method of MMC-HVDC grid with short circuit protection equipment

X Zhang, X Yang, C Zhuo - Frontiers in Energy Research, 2024 - frontiersin.org
The multi-terminal modular multi-level converter-based high voltage direct current (MMC-
HVDC) grid with short circuit protection equipment (SCPE) is so complex that it is difficult to …

Short-circuit analytical model for modular multilevel converters considering dc cable capacitance

VA Lacerda, R Pena-Alzola, D Campos-Gaona… - IEEE …, 2020 - ieeexplore.ieee.org
Developing analytical short-circuit models for Modular Multilevel Converters (MMC) is not
straightforward due to their switching and blocking characteristics. Short-circuit models for …