HVdc circuit breakers: Prospects and challenges

A Raza, A Mustafa, U Alqasemi, K Rouzbehi… - Applied Sciences, 2021 - mdpi.com
The integration of offshore wind farms has revitalized the interest in multi–terminal high
voltage direct current (M–HVdc) transmission grids. HVdc breakers' importance has …

Bidirectional hybrid X shape FCL in HVdc system with multifunctional feature

H Zhou, J Yuan, P Sun, C Ye, J Liu… - … on Power Electronics, 2023 - ieeexplore.ieee.org
Bidirectional fault issue is common and serious in HVdc system and it cannot be handled by
unidirectional fault current limiter (FCL). The novel contribution of this article is that it …

Application of a resistive mutual-inductance fault current limiter in VSC-based HVDC system

M Khorasaninejad, M Radmehr, M Firouzi… - International Journal of …, 2022 - Elsevier
The high DC fault current is a major challenge in voltage source converter (VSC)-based high
voltage direct current (HVDC) systems. Direct-current circuit breakers (DCCBs) are used in …

A modified reference saturated third harmonic injected equal loading PWM for VSC-based renewable energy systems

SP Biswas, MS Anower, MRI Sheikh… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Mitigation of excessive heat due to high frequency switching of voltage source converter
(VSC) is always an industrial concern for superconducting magnetic energy storage (SMES) …

A global fault current limiting strategy for the MMC-HVDC grid with a reduced DC reactor

Z Gong, S Zhao, X Wu, C Zheng, J Zhou - International Journal of Electrical …, 2022 - Elsevier
The large current limiting reactor (CLR) and DC circuit breaker (DCCB) are required in the
half-bridge modular multilevel converter (HB-MMC) project to isolate the DC fault. To limit …

A reliable protection scheme for fast DC fault clearance in a VSC-based meshed MTDC grid

R Ara, UA Khan, AI Bhatti, BW Lee - IEEE Access, 2020 - ieeexplore.ieee.org
A multi-terminal high voltage DC (MTDC) grid, is an optimum and cost-effective transmission
network to minimize the energy crisis worldwide largely. However, the core demand for a …

Protection system of multi-terminal MMC-based HVDC grids: A survey

SHA Niaki, Z Liu, Z Chen… - … Conference on Power …, 2022 - ieeexplore.ieee.org
Fast development of High Voltage Direct Current (HVDC) technology has been remarkable
over the past decades. Multi-terminal HVDC grids based on Voltage Source Converters …

Unified control of the parallel LCC-VSCs interlinking converters in a hybrid AC/DC network

RR Ahrabi, YW Li, F Nejabatkhah - IEEE Transactions on Smart …, 2021 - ieeexplore.ieee.org
This paper proposes a control scheme for line commutated converters (LCCs) to operate in
parallel with voltage source converters (VSCs) in an AC/DC network. The proposed control …

Studies on the combination of RSFCLs and DCCBs in MMC-MTDC system protection

G Zhou, M Han, S Filizadeh, X Cao, W Huang - International Journal of …, 2021 - Elsevier
The high rate of rise and large amplitude of a dc fault current in MMC-MTDC system make its
interruption difficult for DC Circuit Breakers (DCCBs). In order to tackle this issue, this paper …

Harmonics and reactive power compensation of the LCC in a parallel LCC-VSCs configuration for a hybrid AC/DC network

RR Ahrabi, L Ding, Y Li - IEEE Transactions on Energy …, 2022 - ieeexplore.ieee.org
This article presents a harmonics compensation control scheme for parallel LCC-VSCs
interlinking converters (ICs) in a hybrid ac/dc network. The proposed technique addresses …