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Electricity, Volume 4, Issue 3

September 2023 - 4 articles

Cover Story: Climate change is an urgent issue with a growing impact. Electric Vehicles (EVs) face challenges like limited range, high costs, and long charging times compared to internal combustion engine vehicles. Multilevel inverter (MLI) systems improve the efficiency of EVs. Integrating tasks like battery management, motor control, and charging reduces drivetrain costs. However, MLI systems are becoming complex, hindering communication. Managing more modules requires more data at each switch, and precise sine voltage synthesis needs more commands. Decentralized controllers emerged as a practical solution for communication capacity problems in a variety of applications and, particularly, in MLI systems. This article describes the operation principle of an EV's battery pack, which is based on an MLI and operated by a decentralized controller. View this paper

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Article

4 Citations

2,586 Views

21 Pages

A Nexus-Based Impact Assessment of Rapid Transitions of the Power Sector: The Case of Greece

Diamantis Koutsandreas

Electricity2023, 4(3), 256-276;https://doi.org/10.3390/electricity4030016

5 September 2023

Power system transformation can unleash wide-ranging effects across multiple, frequently interlinked dimensions such as the environment, economy, resource systems, and biodiversity. Consequently, assessing the multidimensional impacts of power system...

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Editorial

2,079 Views

3 Pages

Recent Advances toward Carbon-Neutral Power System

Poria Astero

Electricity2023, 4(3), 253-255;https://doi.org/10.3390/electricity4030015

4 August 2023

The pursuit of a carbon-neutral society has emerged as a global imperative in the face of escalating environmental challenges [...]

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Article

3 Citations

3,211 Views

18 Pages

Multi-Agent Reinforcement Learning-Based Decentralized Controller for Battery Modular Multilevel Inverter Systems

Ali Mashayekh,
Sebastian Pohlmann,
Julian Estaller,
Manuel Kuder,
Anton Lesnicar,
Richard Eckerle and
Thomas Weyh

Electricity2023, 4(3), 235-252;https://doi.org/10.3390/electricity4030014

6 July 2023

The battery-based multilevel inverter has grown in popularity due to its ability to boost a system’s safety while increasing the effective battery life. Nevertheless, the system’s high degree of freedom, induced by a large number of switc...

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Article

1 Citations

2,590 Views

19 Pages

Simple Chargers for a Small DC Micro-Grid for a Home Emergency Power System

Felix A. Himmelstoss and
Helmut L. Votzi

Electricity2023, 4(3), 216-234;https://doi.org/10.3390/electricity4030013

26 June 2023

Recently, the danger of a long blackout is discussed in Europe. Blackouts can be caused by failures in the energy distribution, errors in large power plants or even cyber-attacks. This can lead to a chain reaction and a disintegration of the mains. L...

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