Results 11 to 20 of about 1,351 (261)

Optimal Reactive Power Dispatch With Time-Varying Demand and Renewable Energy Uncertainty Using Rao-3 Algorithm

open access: yesIEEE Access, 2021
The appropriate control and management of reactive power is of great relevance in the electrical reliability, stability, and security of power grids.
Mohamed H. Hassan   +4 more
doaj   +1 more source

Modified approach of reactive power dispatch for wind farm voltage constraints of an individual connection point

open access: yesThe Journal of Engineering, 2022
This paper proposes a modification method focusing on the distance‐based reactive power dispatch method that is applied in wind farm structures. Due to the continuous expansion of grid requirements, the development of new approaches needs to be more ...
Seungmin Jung
doaj   +1 more source

Comparison amongst Lagrange, Firefly, and ABC Algorithms for Low-Noise Economic Dispatch and Reactive Power Compensation in Islanded Microgrids

open access: yesEnergies, 2023
For the microgrids to operate securely, distributed generators must be able to interact with one another without experiencing any communication delays or noise.
Shruti Singh, David Wenzhong Gao
doaj   +1 more source

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

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

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

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

A Multi-Period Optimal Reactive Power Dispatch Approach Considering Multiple Operative Goals

open access: yesApplied Sciences, 2021
The optimal reactive power dispatch (ORPD) problem plays a key role in daily power system operations. This paper presents a novel multi-period approach for the ORPD that takes into account three operative goals.
Jairo A. Morán-Burgos   +3 more
doaj   +1 more source

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