Results 21 to 30 of about 777,862 (195)
DC protection for a multi-terminal HVDC network including offshore wind power, featuring a reduced DC circuit breaker count [PDF]
The Journal of Engineering, 2019 Large offshore wind farms located far from shore, as are being planned or built in the North Sea, will require high-voltage DC (HVDC) transmission to shore, and multi-terminal HVDC could offer further benefits.
Max A. Parker +3 more
doaj +5 more sources
Research and experiment of a current-limiting HVDC circuit breaker
The Journal of Engineering, 2019 Existing mechanical HVDC circuit breakers (CB) are capable of interrupting HVDC currents within several tens of milliseconds, but this is too slow to satisfy the requirements of a reliable HVDC grid.
Yi Du +5 more
doaj +2 more sources
New multi-injection commutation topology for circuit breakers of HVDC transmission lines [PDF]
Scientific ReportsPower-sharing between countries has an essential effect on increasing the power system’s reliability and allowing a resilient energy market. High voltage direct current (HVDC) transmission systems are preferable for long-distance transmission to decrease
Fady Wadie, Mahmoud Elsisi, Tamer Eliyan
doaj +2 more sources
Analysis and Simulation of the Proactive Hybrid Circuit Breaker
, 2015 High Voltage Direct Current (HVDC) short circuitprotection is a fundamental requirement for any HVDCtransmission system. Presently, all point-to-point links areprotected using circuit breakers on the AC side of theconverters.
Chang, B. +3 more
core +10 more sources
Synthetic test circuit with two‐level voltage source for HVDC circuit breakers
IET Generation, Transmission & Distribution, 2023 In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification.
Shixin Xiu +6 more
doaj +2 more sources
A Current-Commutation DC Circuit Breaker with Adaptive Reclosing Capability [PDF]
E3S Web of Conferences, 2021 DC faults are critical events in a flexible high-voltage dc (HVDC) grid. Thus, ensuring that the power system returns to normal operation rapidly and reliably after fault isolation is very important. This requires a HVDC breaker. In overhead line systems
Jiang Chunbing, Zhao Chengyong
doaj +1 more source
Small-Scale HVDC Circuit Breaker [PDF]
IEEE Transactions on Components, Packaging and Manufacturing Technology, 2017 Circuit breakers are anticipated for fault isolation in multiterminal HVdc networks. However, there are remaining challenges concerning the circuit breaker topology and operation. The passive oscillation principle circuit breaker is one of the topologies under consideration, the design of which requires examination of the arc characteristics.
Julien Thomas +2 more
openaire +3 more sources
Design of ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker
IET Generation, Transmission & Distribution, 2022 This paper proposes a ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker. In this paper, the interruption processes of the main branch, transferring branch, and MOV (metal oxide varistors) branch are studied by PSCAD/EMTDC computer ...
Chenyang Liu +4 more
doaj +1 more source
HVDC Circuit Breakers: A Comprehensive Review [PDF]
IEEE Transactions on Power Electronics, 2021 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 and the role of HVDC systems is expanding. However, the protection of HVDC systems against DC faults is a challenging issue that can have negative impacts on the reliable and safe ...
Fazel Mohammadi +7 more
openaire +3 more sources
High‐voltage direct current fault current interruption: A technology review
High Voltage, 2021 This review paper describes fault current interruption principles and various high‐voltage direct currrent (HVDC) circuit breaker technologies. First, fundamentals of HVDC fault current interruption and a generic set of requirements of HVDC circuit ...
Rene P. P. Smeets, Nadew A. Belda
doaj +1 more source