Results 111 to 120 of about 3,375 (209)
Closing performance of the Thomson-coil actuator for a 110 kV FMS
The Journal of Engineering, 2019 In the 500 kV hybrid high-voltage direct current (HVDC) circuit breaker, there are five 110 kV fast mechanical switches (FMSs) in the nominal current path.
Yannan Zhou +5 more
doaj +1 more source
Multi-kw dc power distribution system study program [PDF]
The first phase of the Multi-kw dc Power Distribution Technology Program is reported and involves the test and evaluation of a technology breadboard in a specifically designed test facility according to design concepts developed in a previous study on ...
Berkery, E. A., Krausz, A.
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Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids [PDF]
, 2015 This paper presents a modular multilevel converter (MMC) based DC/DC converter with LCL inner circuit for HVDC transmission and DC grids. Three main design challenges are addressed.
Aboushady, Ahmed +2 more
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Results in EngineeringThis paper proposes a Hybrid Multi-Port DC Circuit Breaker (HMPDCCB) design that addresses the limitations of existing hybrid DC circuit breakers (HDCCBs), such as high cost, complexity, and slow response to high fault current and voltage demands.
Qumrish Arooj, Imtiaz Ahmad Taj
doaj +1 more source
Novel fault current-limiting scheme for MMC-based flexible HVDC system
The Journal of Engineering, 2019 Currently, the flexible direct current transmission technique becomes a research focus around the world, and be applied in power engineering projects gradually.
Yueyang Ma +4 more
doaj +1 more source
Fault current testing envelopes for VSC HVDC circuit breakers
IET Generation, Transmission & Distribution, 2015 Circuit breakers for high voltage direct current (HVDC) applications are seen as a required technological step in the development of HVDC grids. The development of several new HVDC circuit breaker prototypes indicate that this step may be achieved in the years to come.
Barnes, Michael +4 more
openaire +3 more sources
An improved fault current limiter for hybrid DC circuit breakers in large-scale MMC-HVDC systems
Mehran University Research Journal of Engineering and TechnologyDesigning 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 +3 more
doaj +1 more source
Comparison and analysis of the fault arc characteristics of flexible DC transmission lines
The Journal of Engineering, 2019 VSC-HVDC grid is one of the important development directions of the smart grid in the future. The arc characteristics of transient fault on the transmission line are the theoretical basis for determining reclosing time and reclosing strategy of DC ...
Botong Li +3 more
doaj +1 more source
Benefits of Operating a Four Terminal HVDC Network with a Normally Open Point
, 2015 It is likely that any HVDC grids will evolve over time and will likely be multi-vendor and use several different technologies. This paper studies a four terminal network where the interconnecting link is operated as a normally open point. This allows the
Green, TC, Merlin, MMC, Sheridan, CE
core
HVDC Circuit Breakers for HVDC Grids [PDF]
International Journal of Engineering Research and, 2019 openaire +1 more source