Results 11 to 20 of about 5,422,019 (239)

Large-scale security constrained optimal reactive power flow for operational loss management on the GB electricity transmission network [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Engineering Doctorate and awarded by Brunel University, 22/12/2010.The transmission of power across the GB transmission system, as operated by National Grid, results in inevitable loss of electrical power ...
Macfie, Peter
core   +8 more sources

Particle swarm optimisation with applications in power system generation [PDF]

open access: yes, 2007
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 12/06/2007.Today the modern power system is more dynamic and its operation is a subject to a number of constraints that are reflected in various management
Sriyanyong, Pichet
core   +7 more sources

An Efficient Reactive Power Dispatch Method for Hybrid Photovoltaic and Superconducting Magnetic Energy Storage Inverters in Utility Grids

open access: yesIEEE Access, 2020
The intermittent property and increased grid restrictions have become the most critical elements for increasing penetration levels of clean renewable energy sources (RESs).
Sayed M. Said   +2 more
doaj   +1 more source

A Multitasking Electric Power Dispatch Approach With Multi-Objective Multifactorial Optimization Algorithm

open access: yesIEEE Access, 2020
Electric power dispatch issue mainly consists of two optimization tasks: active and reactive power dispatches, each of which is a non-linear multi-objective optimization problem with a series of constraints.
Junwei Liu   +5 more
doaj   +1 more source

Optimal reactive power dispatch: a bibliometric analysis

open access: yesJournal of Electrical Systems and Information Technology, 2021
Optimal reactive power dispatch (ORPD) plays a significant role in the control and smooth operation of the power system through the enhancement of the network’s reliability, security, and economic aspects.
Ibrahim Haruna Shanono   +4 more
doaj   +1 more source

A New Approach to Optimal Allocation of Reactive Power Ancillary Service in Distribution Systems in the Presence of Distributed Energy Resources

open access: yesApplied Sciences, 2015
One of the most important Distribution System Operators (DSO) schemes addresses the Volt/Var control (VVC) problem. Developing a cost-based reactive power dispatch model for distribution systems, in which the reactive powers are appropriately priced, can
Abouzar Samimi, Ahad Kazemi
doaj   +1 more source

Mitigation of voltage sag for DVR to comply with voltage security protocol via elliptical trajectory compensation

open access: yesIET Power Electronics, 2021
In this paper, a flexible power dispatch strategy based on the elliptical trajectory is proposed to maximize the operating region for dynamic voltage restorer (DVR) during voltage sags.
Peng Li   +5 more
doaj   +1 more source

Power systems generation scheduling and optimisation using evolutionary computation techniques [PDF]

open access: yes, 1996
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Optimal generation scheduling attempts to minimise the cost of power production while satisfying the various operation constraints and physical limitations ...
Orero, Shadrack Otieno
core   +7 more sources

Design of fractional evolutionary processing for reactive power planning with FACTS devices

open access: yesScientific Reports, 2021
Reactive power dispatch is a vital problem in the operation, planning and control of power system for obtaining a fixed economic load expedition. An optimal dispatch reduces the grid congestion through the minimization of the active power loss.
Yasir Muhammad   +5 more
doaj   +1 more source

Optimal Reactive Power Dispatch by Particle Swarm Optimization [PDF]

open access: yesمجله مدل سازی در مهندسی, 2009
Due to nonlinear and discontinuous functions, discrete and continuous variables and discontinuous constraints, optimal dispatch of reactive power is a complex problem.
شریف زاده, امجدی
doaj   +1 more source

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