Results 11 to 20 of about 280,938 (303)

Fracture Resistance of Zirconia Oral Implants In Vitro: A Systematic Review and Meta-Analysis [PDF]

open access: yes, 2020
Various protocols are available to preclinically assess the fracture resistance of zirconia oral implants. The objective of the present review was to determine the impact of different treatments (dynamic loading, hydrothermal aging) and implant features (
Bethke, Annalena   +6 more
core   +1 more source

Active distribution power system with multi-terminal DC links [PDF]

open access: yes, 2015
A fast power restoration operational scheme and relevant stabilizing control is proposed for active distribution power systems with multi-terminal DC network in replacement of the conventional normal open switches. A 9-feeder benchmark distribution power
Chen, Dong, Xu, Lie, Zhang, Wendian
core   +2 more sources

Restoration of an active MV distribution grid with a battery ESS: A real case study [PDF]

open access: yes, 2018
In order to improve power system operation, Battery Energy Storage Systems (BESSs) have been installed in high voltage/medium voltage stations by Distribution System Operators (DSOs) around the world.
D'Orazio, Luigi   +4 more
core   +2 more sources

Stochastic Model for Power Grid Dynamics [PDF]

open access: yes, 2006
We introduce a stochastic model that describes the quasi-static dynamics of an electric transmission network under perturbations introduced by random load fluctuations, random removing of system components from service, random repair times for the failed
Anghel, Marian   +2 more
core   +2 more sources

An Optimal Source-Load Coordinated Restoration Method Considering Double Uncertainty

open access: yesEnergies, 2018
The security of power system restoration is severely affected by uncertain factors, especially the start-up time of generating unit and the amount of load pick-up.
Ping Jiang, Qiwei Chen
doaj   +1 more source

In-band control, queuing, and failure recovery functionalities for openflow [PDF]

open access: yes, 2016
In OpenFlow, a network as a whole can be controlled from one or more external entities (controllers) using in-band or out-of-band control networks. In this article, we propose in-band control, queuing, and failure recovery functionalities for OpenFlow ...
Colle, Didier   +4 more
core   +1 more source

A bi‐level approach to load restoration strategy considering variant length of time steps

open access: yesIET Generation, Transmission & Distribution, 2022
A bi‐level load restoration optimisation strategy is proposed for the transmission system with wind farm‐energy storage combined systems (WESs), taking the variant length of time steps into account.
Lei Sun   +4 more
doaj   +1 more source

Coordination of network reconfiguration and mobile energy storage system fleets to facilitate active distribution network restoration under forecast uncertainty

open access: yesFrontiers in Energy Research, 2023
The active distribution network (ADN) shows great potential for use in network restoration services, given its ability to actively control the network topology, distributed generation (DG) outputs, and demand response (DR) resources. However, its utility
Yundai Xu   +4 more
doaj   +1 more source

Multiagent based fault localisation and service restoration in Tanzanian secondary distribution network

open access: yesCogent Engineering, 2021
Fault Localisation and Service Restoration (FLSR) is a fundamental function during the distribution system’s fault management process for improved service reliability and resilience.
Rukia J. Mwifunyi   +2 more
doaj   +1 more source

Software defined networking: meeting carrier grade requirements [PDF]

open access: yes, 2011
Software Defined Networking is a networking paradigm which allows network operators to manage networking elements using software running on an external server.
Colle, Didier   +4 more
core   +2 more sources

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