Results 1 to 10 of about 4,888,001 (305)

The applications of anisotropic electrodes in vacuum circuit breakers to increase the switching life [PDF]

open access: yesE3S Web of Conferences, 2021
The article analyzes the disadvantages of the vacuum circuit breaker, the transients that occur during switching, as well as the processes that lead to a decrease in the contact system resource. The simulation of the vacuum circuit breaker electrodes was
Samofalov Yuri   +2 more
doaj   +1 more source

Present day challenges in understanding the geomagnetic hazard to national power grids [PDF]

open access: yes, 2010
Power grids and pipeline networks at all latitudes are known to be at risk from the natural hazard of geomagnetically induced cur- rents. At a recent workshop in South Africa, UK and South African scientists and engineers discussed the current ...
Wild, J.A.   +8 more
core   +4 more sources

Simplifying multi-energy system co-simulations using energysim

open access: yesSoftwareX, 2022
The traditional methodology for conducting technical assessments of multi-energy systems involved using domain-specific modeling tools to focus on the energy sector of interest, while making simplifying assumptions about any coupled energy sector.
Digvijay Gusain   +2 more
doaj   +1 more source

Predictability of Power Grid Frequency [PDF]

open access: yesIEEE Access, 2020
The power grid frequency is the central observable in power system control, as it measures the balance of electrical supply and demand. A reliable frequency forecast can facilitate rapid control actions and may thus greatly improve power system stability.
Johannes Kruse 0001   +2 more
openaire   +5 more sources

Decentralized Estimation of Two-Port Equivalents for Power Transmission Lines

open access: yesIEEE Access, 2021
Two-port equivalent model of the system around a transmission line is commonly used for various line protection related analyses. The main aim of the paper is to present methods that can be adopted in a decentralized manner at the substation level for ...
Vedanta Pradhan   +3 more
doaj   +1 more source

Line Protection Operate Time: How Fast Shall It Be?

open access: yesIEEE Access, 2021
An ultra-high-speed protective relay has been an important topic within the scientific community, and specifically within the power industry, for decades.
Sinisa Zubic, Zoran Gajic, Davor Kralj
doaj   +1 more source

Optimal Planning of Community Integrated Energy Station Considering Frequency Regulation Service

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
With the extensive integration of high-penetration renewable energy resources, more fast-response frequency regulation (FR) providers are required to eliminate the impact of uncertainties from loads and distributed generators (DGs) on system security and
Cheng Li   +6 more
doaj   +1 more source

Personal mobile grids with a honeybee inspired resource scheduler [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The overall aim of the thesis has been to introduce Personal Mobile Grids (PMGrids) as a novel paradigm in grid computing that scales grid infrastructures ...
Kurdi, Heba Abdullataif
core   +7 more sources

Novel Power Allocation Approach in a Battery Storage Power Station for Aging Minimization

open access: yesFrontiers in Energy Research, 2020
A grid-scale battery energy storage station usually contains multiple battery containers and corresponding electric links. Each link and battery container could become a controllable subsystem when receiving network operators' orders.
Shu Wang   +5 more
doaj   +1 more source

5G as a wireless power grid [PDF]

open access: yesScientific Reports, 2021
Abstract5G has been designed for blazing fast and low-latency communications. To do so, mm-wave frequencies were adopted and allowed unprecedently high radiated power densities by the FCC. Unknowingly, the architects of 5G have, thereby, created a wireless power grid capable of powering devices at ranges far exceeding the capabilities of any existing ...
Aline Eid   +2 more
openaire   +3 more sources

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