Results 11 to 20 of about 14,497 (269)

Power Quality Monitors Displacement Based on Voltage Sags Propagation Mechanism and Grid Reliability Indexes

open access: yesApplied Sciences, 2023
Nowadays, voltage sag continues to remain a critical PQ issue in the industry. Since it is not possible to install a voltage analyzer on every node, optimal monitoring locations must be determined.
Vladislav Liubčuk   +3 more
doaj   +1 more source

Secondary Voltage Control in a Hybrid Microgrid [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2019
Compared to individual DC or AC microgrids, the Hybrid microgrids (HMGs) are more efficient and inexpensive due to eliminating of multiple DC-AC-DC conversions.
YousefReza Jafarian   +2 more
doaj   +1 more source

An Overview of Hydrogen’s Application for Energy Purposes in Lithuania

open access: yesApplied Sciences, 2023
Hydrogen has emerged as a promising climate-neutral energy carrier able to facilitate the processes of the European Union (EU) energy transition. Green hydrogen production through the electrolysis process has gained increasing interest recently for ...
Darius Pranckevičius   +3 more
doaj   +1 more source

Grid Nodes Selection Strategies for Power Quality Monitoring

open access: yesApplied Sciences, 2023
In the past few years, technical progress has determined traditional electric power system conversion to Smart Grids, and consequently empowered a worldwide renaissance in the forgotten PQ field.
Vladislav Liubčuk   +3 more
doaj   +1 more source

A Real-Time Method to Estimate the Operational Condition of Distribution Transformers

open access: yesEnergies, 2022
In this article, an unsupervised learning method is presented with the objective of modeling, in real-time, the main operating modes (OM) of distribution transformers.
Leandro José Duarte   +2 more
doaj   +1 more source

Performance Analysis of Bus Voltage in Distribution Network with High Penetration of PV Controlled via Data-Driven Approach

open access: yesInternational Transactions on Electrical Energy Systems, 2023
Integration of large-scale distributed photovoltaic (PV) generation resources can lead to technical challenges, particularly voltage rise caused by PVs power injection at the time of high solar radiation profile and low load demand.
Anju Yadav   +4 more
doaj   +1 more source

Synchronization Stability of Interconnected Microgrids with Fully Inverter-based Distributed Energy Resources

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
In this paper, the synchronization stability challenges of same-rated frequency interconnected microgrids (IMGs) with fully inverter-based generation units are studied.
Mobin Naderi   +3 more
doaj   +1 more source

Blockchain for smart grid

open access: yesJournal of King Saud University - Computer and Information Sciences, 2022
The demand for electricity increases rapidly along with the advancement of the industrial age. To ensure efficient distribution of the electricity, maintain low losses and high level of quality, and the security of electricity supply, the smart grid concept was proposed.
Anak Agung Gde Agung, Rini Handayani
openaire   +2 more sources

Dynamic Improvement of DC Microgrids Using a Dual Approach Based on Virtual Inertia

open access: yesJournal of Modern Power Systems and Clean Energy, 2022
In this paper, inspired by the concept of virtual inertia in alternating current (AC) systems, a virtual impedance controller is proposed for the dynamic improvement of direct current microgrids (DCMGs).
Mehran Jami   +2 more
doaj   +1 more source

Simulating the smart grid [PDF]

open access: yes2013 IEEE Grenoble Conference, 2013
Major challenges for the transition of power systems do not only tackle power electronics but also communication technology, power market economy and user acceptance studies. Simulation is an important research method therein, as it helps to avoid costly failures. A common smart grid simulation platform is still missing. We introduce a conceptual model
Manfred Pöchacker   +2 more
openaire   +2 more sources

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