DC fault protection algorithms of MMC-HVDC grids: Fault analysis, methodologies, experimental validations, and future trends
To protect the converters and minimize the power transmission interruption during dc line
faults, it is necessary to detect the faults at ultra high speed for the modular multilevel …
faults, it is necessary to detect the faults at ultra high speed for the modular multilevel …
HVDC circuit breakers: A comprehensive review
High voltage direct current (HVDC) systems are now well integrated into AC systems in
many jurisdictions. The integration of renewable energy sources (RESs) is a major focus …
many jurisdictions. The integration of renewable energy sources (RESs) is a major focus …
DC fault detection and location in meshed multiterminal HVDC systems based on DC reactor voltage change rate
The change rate of the dc reactor voltage with predefined protection voltage thresholds is
proposed to provide fast and accurate dc fault detection in a meshed multiterminal HVDC …
proposed to provide fast and accurate dc fault detection in a meshed multiterminal HVDC …
A transient voltage-based DC fault line protection scheme for MMC-based DC grid embedding DC breakers
Fast and reliable DC fault detection is one of the main challenges for modular multilevel
converter (MMC) based DC grid with DC circuit breakers (DCCBs). This paper extracts the …
converter (MMC) based DC grid with DC circuit breakers (DCCBs). This paper extracts the …
Modeling, control, and protection of modular multilevel converter-based multi-terminal HVDC systems: A review
Multi-terminal direct current (MTDC) grids provide the possibility of meshed interconnections
between regional power systems and various renewable energy resources to boost supply …
between regional power systems and various renewable energy resources to boost supply …
Transient-voltage-based protection scheme for DC line faults in the multiterminal VSC-HVDC system
J Liu, N Tai, C Fan - IEEE Transactions on Power Delivery, 2016 - ieeexplore.ieee.org
DC line faults are major issues for a multiterminal high-voltage direct current (HVDC) system
based on voltage-source converter (VSC). The fault current increases quickly along with a …
based on voltage-source converter (VSC). The fault current increases quickly along with a …
A comprehensive review of DC fault protection methods in HVDC transmission systems
M Muniappan - Protection and Control of Modern Power …, 2021 - ieeexplore.ieee.org
High voltage direct current (HVDC) transmission is an economical option for transmitting a
large amount of power over long distances. Initially, HVDC was developed using thyristor …
large amount of power over long distances. Initially, HVDC was developed using thyristor …
A fast DC fault detection method using DC reactor voltages in HVdc grids
C Li, AM Gole, C Zhao - IEEE Transactions on Power Delivery, 2018 - ieeexplore.ieee.org
This paper proposes a fast dc short-circuit fault detection method for HVdc grids, which relies
on the voltage across the dc fault-current-limiting reactor. In the proposed approach, primary …
on the voltage across the dc fault-current-limiting reactor. In the proposed approach, primary …
HVDC circuit breakers–A review
HVDC circuit breakers are of increasing importance, as multi-terminal high voltage DC
(HVDC) transmission becomes a commercial reality. Multiple HVDC breaker technologies …
(HVDC) transmission becomes a commercial reality. Multiple HVDC breaker technologies …
Transient Characteristics Under Ground and Short-Circuit Faults in a MMC-Based HVDC System With Hybrid DC Circuit Breakers
The development of voltage-source-converter (VSC)-based high-voltage direct current
(HVDC) systems has increased significantly. However, the implementation of VSC-HVDC …
(HVDC) systems has increased significantly. However, the implementation of VSC-HVDC …