Results 51 to 60 of about 201,222 (195)

Power electronics options for large wind farm integration : VSC-based HVDC transmission [PDF]

open access: yes, 2006
This paper describes the use of voltage source converter based HVDC transmission (VSC transmission) system for grid integration of large wind farms over long distance.
Sasse, C., Xu, L., Yao, L.
core   +2 more sources

Multi-terminal flexible DC grid circuit breaker withstands multi-lightning strike analysis

open access: yesScientific Reports
Lightning represents the primary threat to power grids, with approximately 80% of natural occurrences being multi-lightning strikes, which have been extensively studied and confirmed to pose even more severe hazards.
Yutao Tang   +6 more
doaj   +1 more source

Defense strategy against cyber-physical coordinated false data injection attacks in cyber-physical power systems

open access: yesResults in Engineering
With the deep integration of cyber-physical power systems (CPPS), cyber-physical coordinated false data injection attacks (FDIAs) have emerged as a new risk threatening the security of power grids.
Hongchun Shu   +3 more
doaj   +1 more source

Dynamic effects of fault modeling on stair-step and corner-point grids

open access: yesJournal of Petroleum Exploration and Production Technology, 2021
Fault modeling has become an integral element of reservoir simulation for structurally complex reservoirs. Modeling of faults in general has major implications for the simulation grid.
Faruk O. Alpak, Tianhong Chen
doaj   +1 more source

Overview of increasing the penetration of renewable energy sources in the distribution grid by developing control strategies and using ancillary services [PDF]

open access: yes, 2014
Increasing the renewables energy resources in the distribution network is one of the main challenges of the distributed system operator due to instability, power quality and feeder capacity problems. This paper proposes a solution for further penetration
Bozalakov, Dimitar   +3 more
core  

Research on the improved hybrid DC circuit breaker with voltage-limiting and current-limiting capability

open access: yesInternational Journal of Electrical Power & Energy Systems
The DC circuit breaker (DCCB) is a critical device that ensures the safe and reliable operation of the DC transmission system. As the level of DC voltage and transmission power increases, the flexible DC grid will need more and more opening capacity of ...
Hongchun Shu, Zongxue Shao, Yue Dai
doaj   +1 more source

Augmentation of DFIG and PMSG Wind Turbines Transient Performance Using Different Fault Current Limiters

open access: yesEnergies, 2022
The technology of variable speed wind turbines is very promising in renewable power generation. It is imperative for wind turbines to gain control after grid disturbances and contribute to the stability of power grids as part of the requirements of grid ...
Kenneth E. Okedu
doaj   +1 more source

Fault-tolerant distributed computing scheme based on erasure codes [PDF]

open access: yes, 2006
Some emerging classes of distributed computing systems, such peer-to-peer or grid computing computing systems, are composed of heterogeneous computing resources potentially unreliable.
Lacan, Jérôme
core  

Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids [PDF]

open access: yes, 2016
Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac counterpart. The concept of inertia
Candela García, José Ignacio   +4 more
core   +2 more sources

Fault location in the observation matrix of collection lines for grid-connected wind power supported by grid-forming energy storage

open access: yesInternational Journal of Electrical Power & Energy Systems
Aiming at the problem that the accuracy of fault location in the collection line supported by energy storage for wind power grid connection is easily affected by the number of measurement points and the access of power electronic equipment, a fault ...
Hongchun Shu   +3 more
doaj   +1 more source

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