Results 101 to 110 of about 722,410 (223)

DC /DC converters as DC circuit-breakers in HVDC networks operation [PDF]

open access: yes, 2014
International audienceThis paper presents the modeling and control of a DC/DC bidirectional converter suitable for medium voltage and power applications in Multi-Terminals HVDC (MT-HVDC) grids. Moreover its use as DC circuit-breaker is described. This is
Alou Cervera, Pedro   +17 more
core   +1 more source

The protection and interconnection of HVDC grids [PDF]

open access: yes
It is cost-effective to construct a High Voltage Direct Current (HVDC) grid via interconnecting existing HVDCs. The grid protection and the interconnection between HVDCs are studied in the thesis.
Li, Chuanyue
core   +4 more sources

HVDC circuit breakers modeling in multiterminal grids [PDF]

open access: yes, 2017
Transition towards sustainable energy systems lead to transformation of the existing electrical power grids. One of the key enabling technologies for this transformation is high voltage direct current (HVDC) technology that has range of advantages ...
Yanushkevich, Alexander
core  

Analysis and Enhanced Topologies of Active-Resonance DC Circuit Breaker

open access: yes, 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   +5 more
core   +1 more source

A Synthetic Test Circuit for Current Switching Tests of HVDC Circuit Breakers

open access: yes, 2020
-High voltage direct current (HVDC) circuit breaker current switching test in a test laboratory is difficult due to the limited test power installation. Reproduction of test stresses by means of direct testing confronts huge investment. Synthetic testing,
Senior Member, IEEE Baoliang Sheng
core  

HVDC Circuit Breakers for HVDC Grids [PDF]

open access: yesInternational Journal of Engineering Research and, 2019
openaire   +1 more source

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

open access: yesIEEE 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   +3 more
doaj   +1 more source

A novel thyristor‐based hybrid DC circuit breaker with short arcing capability

open access: yesHigh Voltage
Multi‐terminal flexible high‐voltage direct current (HVDC) transmission and DC grid technology are developing rapidly. The hybrid DC circuit breaker (HCB) has broad application prospects in the field of HVDC transmission and DC power grid.
Guanlong Jia   +4 more
doaj   +1 more source

DC-side fault current estimation approach for HVDC circuit breaker sizing

open access: yesElectric power systems research, 2022
M. Abedrabbo, W. Leterme, D. Van Hertem
semanticscholar   +1 more source

Research on the Press-pack IGBT with High SCSOA

open access: yesKongzhi Yu Xinxi Jishu, 2017
DC breaker is one of the main equipment of HVDC system converter station. As an essential component of DC breaker, the electrical performance and reliability of the press-pack IGBT (insulated gate bipolar transistor) are particularly important.
LENG Guoqing   +5 more
doaj  

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