Results 11 to 20 of about 9,679,270 (172)

A review on applications of heuristic optimization algorithms for optimal power flow in modern power systems [PDF]

open access: yesJournal of Modern Power Systems and Clean Energy, 2014
Optimal power flow (OPF) is one of the key tools for optimal operation and planning of modern power systems. Due to the high complexity with continuous and discrete control variables, modern heuristic optimization algorithms (HOAs) have been widely ...
Ming Niu, Can Wan, Zhao Xu
doaj   +2 more sources

Optimal Power Flow Based on Branch Flow Model for Bipolar DC Distribution Networks

open access: yesCSEE Journal of Power and Energy Systems
Optimal Power Flow (OPF) plays a crucial role in optimization and operation of the bipolar DC distribution network (Bi-DCDN). However, existing OPF models encounter difficulties in the power optimization of Bi-DCDNs due to the optimal power expressed as ...
Yiyao Zhou   +7 more
doaj   +2 more sources

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

Solution of Probabilistic Optimal Power Flow Incorporating Renewable Energy Uncertainty Using a Novel Circle Search Algorithm

open access: yesEnergies, 2022
Integrating renewable energy sources (RESs) into modern electric power systems offers various techno-economic benefits. However, the inconsistent power profile of RES influences the power flow of the entire distribution network, so it is crucial to ...
Mohamed A. M. Shaheen   +8 more
doaj   +1 more source

An Efficient Homotopy Method for Solving the Post-Contingency Optimal Power Flow to Global Optimality

open access: yesIEEE Access, 2022
Optimal power flow (OPF) is a fundamental problem in power systems analysis for determining the steady-state operating point of a power network that minimizes the generation cost.
Sangwoo Park   +3 more
doaj   +1 more source

Hybrid Imperialist Competitive and Grey Wolf Algorithm to Solve Multiobjective Optimal Power Flow with Wind and Solar Units

open access: yesEnergies, 2018
The optimal power flow (OPF) module optimizes the generation, transmission, and distribution of electric power without disrupting network power flow, operating limits, or constraints.
Jalel Ben Hmida   +3 more
doaj   +1 more source

Utilizing MATPOWER in Optimal Power Flow [PDF]

open access: yesModeling, Identification and Control, 2003
This paper shows how MATPOWER, a MATLAB Power System Simulation Package can be used for optimal power flow (OPF) simulations. MATPOWER is a package of MATLAB files for solving power flow and optimal power flow problems.
Tarjei Kristiansen
doaj   +1 more source

Optimal Power Flow of Renewable-Integrated Power Systems Using a Gaussian Bare-Bones Levy-Flight Firefly Algorithm

open access: yesFrontiers in Energy Research, 2022
This article proposes a Gaussian bare-bones Levy-flight firefly algorithm (GBLFA) and its modified version named MGBLFA for optimizing the various kinds of the different optimal power flow (OPF) problems in the presence of conventional thermal power ...
Ali S. Alghamdi
doaj   +1 more source

Local solutions of the optimal power flow problem [PDF]

open access: yes, 2013
The existence of locally optimal solutions to the AC optimal power flow problem (OPF) has been a question of interest for decades. This paper presents examples of local optima on a variety of test networks including modified versions of common networks ...
Waqquas A. Bukhsh   +14 more
core   +1 more source

Interval optimal power flow applied to distribution networks under uncertainty of loads and renewable resources

open access: yesJournal of Modern Power Systems and Clean Energy, 2018
Optimal power flow (OPF) has been used for energy dispatching in active distribution networks. To satisfy constraints fully and achieve strict operational bounds under the uncertainties from loads and sources, this paper derives an interval optimal power
Pengwei CHEN, Xiangning XIAO, Xuhui WANG
doaj   +1 more source

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