Results 101 to 110 of about 624 (193)

An improved fault current limiter for hybrid DC circuit breakers in large-scale MMC-HVDC systems

Mehran University Research Journal of Engineering and Technology
Designing multi-terminal HVDC systems presents significant challenges, particularly in control, modeling, and protection. One of the most critical concerns is the protection of these systems from DC short circuits.
Rashid Hussain Chandio, Madad Ali Shah, Abdul Aziz Memon, Faheem Akhter Chachar   +3 more
doaj   +1 more source

Analysis and Enhanced Topologies of Active-Resonance DC Circuit Breaker

, 2017
© assigned jointly to the European Power Electronics and Drives Association & the Institute of Electrical and Electronics Engineers (IEEE). DC circuit breakers are needed in future HVDC grids to provide selectivity in clearing DC faults and to achieve ...
Abedrabbo, Mudar, Dirk Van Hertem, Willem Leterme, Van Hertem, Dirk, Mudar Abedrabbo, Leterme, Willem   +5 more
core   +1 more source

Bridge-type fault current limiter and hybrid breaker for HVDC grids applications

, 2020
© The Institution of Engineering and Technology 2020. The fast raising nature of DC fault currents and sensitivity of high-voltage DC (HVDC) power converters to DC faults is critical protection issues.
Rouzbehi, K, Bordons, C, Heidary, A, Hesami, M, Bigdeli, M   +4 more
core   +1 more source

Modelling and simulation of a hybrid HVDC circuit breaker for offshore wind integration [PDF]

HVDC systems have experimented and increase of popularity in recent years due to the fast development of power electronics technologies and the need to decarbonize energy generation systems by introducing new renewable energy sources (RESs).
Fuster Martínez, Arnau
core   +1 more source

Impact of converter interface type on the protection requirements for DC aircraft power systems

, 2012
The utilization of converter interfaces has the potential to significantly alter the protection system design requirements in future aircraft platforms.
Burt, Graeme, Norman, Patrick, Galloway, Stuart, Fletcher, Steven   +3 more
core   +1 more source

HVDC Circuit Breakers for HVDC Grids [PDF]

International Journal of Engineering Research and, 2019
openaire   +1 more source

Analysis of Arc Re-Ignition in Vacuum Interrupter-Based HVdc Circuit Breakers

IEEE Access
The protection of HVdc systems has long been challenged by the absence of natural current zero-crossing, typically addressed using L-C branches. However, the phenomenon of multiple arc reignitions in vacuum interrupter (VI) based HVdc circuit breakers ...
Tamer Eliyan, Ali Saeed Almuflih, Z. M. S. Elbarbary, Fady Wadie   +3 more
doaj   +1 more source

Analysis and Simulations of Hybrid Circuit Breaker Technologies in Multi-Terminal HVDC Networks

, 2016
It is established that voltage source converters (VSC) are required for multiterminal operation of a HVDC network. This converter technology is vulnerable to DC side faults, and it is crucial for a fast interruption to avoid its freewheeling diodes to ...
Moksness, Mats-Julian N
core  

Development of a HVDC prototype breaker. Final report

, 1980
The significant design features of a high-voltage dc (HVDC) circuit breaker based on the commutation concept were developed. Tests of components indicate the breaker is capable of interrupting a fault current of 10 kA on a 400 kV system and absorbing up ...
Barkan, P., Permerlani, W., Anderson, J. M., Carroll, J. J., Hudson, J. E., Pohl, R. V., Sharbaugh, A. H., Solberg, W. D., Damsky, B. L., Imam, I.   +9 more
core   +1 more source

Analysis and Simulations of Hybrid Circuit Breaker Technologies in Multi-Terminal HVDC Networks [PDF]

It is established that voltage source converters (VSC) are required for multiterminal operation of a HVDC network. This converter technology is vulnerable to DC side faults, and it is crucial for a fast interruption to avoid its freewheeling diodes to ...
Moksness, Mats-Julian N
core