Results 51 to 60 of about 1,285 (211)

Optimal Day-Ahead Scheduling of Microgrids with Battery Energy Storage System

open access: yesEnergies, 2020
Optimal scheduling is a requirement for microgrids to participate in current and future energy markets. Although the number of research articles on this subject is on the rise, there is a shortage of papers containing detailed mathematical modeling of ...
Vanderlei Aparecido Silva   +2 more
doaj   +1 more source

Optimal tie‐line and battery sizing for remote provisional microgrids

open access: yesIET Generation, Transmission & Distribution, 2021
Unlike traditional microgrids, Provisional Microgrid (PMG) utilizes only renewable generation and small energy storage units; thus, it does not have an inherent self‐islanding capability and instead, relies on importing power from any coupled microgrid ...
Tarek Medalel Masaud, Ehab El‐Saadany
doaj   +1 more source

Governing Positive Energy Districts: The Role of Legitimation and Identity Across Residential and Industrial Contexts

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Increasing electricity demand from data centres, industrial applications, electric vehicles and domestic heating is creating pressure to develop electricity systems in many parts of the world, but especially in Western countries. In response to challenges such as grid congestion, interconnection queues and climate‐related hazards, network ...
Jussi Valta   +3 more
wiley   +1 more source

Transient analysis of a hybrid microgrid system [PDF]

open access: yes, 2012
The penetration of Distributed Energy Resources in power generation has increased considerably during the last two decades. Low voltage grids are configured as microgrids in which the most common energy resources are photovoltaic systems and wind ...
Fruh, Wolf-Gerrit; id_orcid   +3 more
core  

Islanding detection for reconfigurable microgrid with RES

open access: yesIET Generation, Transmission & Distribution, 2021
This paper proposes a new islanding detection technique based on the superimposed angle of negative sequence impedance. The proposed technique is designed with the presence of different types of RES (renewable energy sources) in the system.
Pravin Kumar   +2 more
doaj   +1 more source

A Review of Overcurrent Protection in Smart Grids Under Cyber‐Physical Threats With a Cyber‐Physical Evaluation Framework

open access: yesEnergy Science &Engineering, EarlyView.
By manipulating current and voltage measurements, an assailant can induce unwanted relay action while attempting to avoid detection. Detecting advanced cyber intrusions in power protection environments requires specialised data analysis and anomaly detection methods.
Feras Alasali   +6 more
wiley   +1 more source

A Methodology for Assessing Islanding of Microgrids: Between Utility Dependence and Off-Grid Systems

open access: yesEnergies, 2015
This paper presents a novel methodology for assessing islanding microgrids from the economical and functional perspective, for various stakeholders.
Antonio Colmenar-Santos   +3 more
doaj   +1 more source

Hybrid Osprey‐Salp Swarm Optimization Algorithm for Single and Multiobjective Optimal Power Flow in Smart Grids With Renewable Energy Integration

open access: yesEnergy Science &Engineering, EarlyView.
The proposed hybrid osprey‐salp swarm optimization algorithm addresses optimal power flow (OPF) problems in smart grids incorporating solar, hydro, and thermal generators. The algorithm is validated on Institute of Electrical and Electronics Engineers 30‐, 57‐, and 118‐bus test systems across five single and multiobjective OPF scenarios.
Mujtaba Ali   +5 more
wiley   +1 more source

Hierarchical Control in Microgrid

open access: yes, 2019
It is required to utilize several control loops together to increase reliability and performance of microgrids. The current and voltage magnitudes, frequency and angle information, active and reactive power data provide the involved feedback for normal ...
Ersan Kabalci, Kabalcı, Ersan
core   +1 more source

A Rapid Post‐Disaster Restoration Method for Networked Microgrids Based on Adaptive Quantum Particle Swarm Optimization

open access: yesEnergy Science &Engineering, EarlyView.
To enhance the power restoration speed of networked microgrids (NMGs) after extreme natural disasters and reduce the power outage of the system, this paper proposes a rapid post‐disaster restoration method for NMGs based co‐optimization of fault repair and load restoration.
Yunfan Zhang   +3 more
wiley   +1 more source

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