scholarly journals Bidirectional DC–DC converter based multilevel battery storage systems for electric vehicle and large‐scale grid applications: A critical review considering different topologies, state‐of‐charge balancing and future trends

2021 ◽  
Vol 15 (5) ◽  
pp. 915-938
Author(s):  
Fatih Eroǧlu ◽  
Mehmet Kurtoǧlu ◽  
Ahmet Mete Vural
2014 ◽  
Vol 12 (3) ◽  
pp. 485-497 ◽  
Author(s):  
Alessandro Costantini ◽  
Osvaldo Gervasi ◽  
Fabiana Zollo ◽  
Luca Caprini

2006 ◽  
Vol 12 (1) ◽  
pp. 11-17 ◽  
Author(s):  
Javier Carretero ◽  
Fatos Xhafa

In this paper we present the implementation of Genetic Algorithms (GA) for job scheduling on computational grids that optimizes the makespan and the total flowtime. Job scheduling on computational grids is a key problem in large scale grid‐based applications for solving complex problems. The aim is to obtain an efficient scheduler able to allocate a large number of jobs originated from large scale applications to grid resources. Several variations for GA operators are examined in order to identify which works best for the problem. To this end we have developed a grid simulator package to generate large and very large size instances of the problem and have used them to study the performance of GA implementation. Through extensive experimenting and fine tuning of parameters we have identified the configuration of operators and parameters that outperforms the existing implementations in the literature for static instances of the problem. The experimental results show the robustness of the implementation, improved performance of static instances compared to reported results in the literature and, finally, a fast reduction of the makespan making thus the scheduler of practical interest for grid environments.


Electronics ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 564
Author(s):  
Filippo Spertino ◽  
Angela Amato ◽  
Gabriele Casali ◽  
Alessandro Ciocia ◽  
Gabriele Malgaroli

The reliability of photovoltaic (PV) generators is strongly affected by the performance of Direct Current/Alternating Current (DC/AC) converters, being the major source of PV underperformance. However, generally, their reliability is not investigated at component level: thus, the present work presents a reliability analysis and the repair activity for the components of full bridge DC/AC converters. In the first part of the paper, a reliability analysis using failure rates from literature is carried out for 132 inverters (AC rated power of 350 kW each) with global AC power of 46 MW in a large scale grid-connected PV plant. Then, in the second part of the work, results from literature are compared with data obtained by analyzing industrial maintenance reports in the years 2015–2017. In conclusion, the yearly energy losses involved in the downtime are quantified, as well as their availability.


2019 ◽  
Vol 101 ◽  
pp. 527-547 ◽  
Author(s):  
Peter Kohlhepp ◽  
Hassan Harb ◽  
Henryk Wolisz ◽  
Simon Waczowicz ◽  
Dirk Müller ◽  
...  

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