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Applied Sciences
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Standalone Renewable Energy Systems—Modeling and Controlling (Volume III)
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Standalone Renewable Energy Systems—Modeling and Controlling (Volume III)

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 5719

Special Issue Editor

Prof. Dr. Rodolfo Dufo-López

E-Mail Website
Guest Editor
Department of Electrical Engineering, University of Zaragoza, Calle María de Luna, 3, 50018 Zaragoza, Spain
Interests: renewable energy; electricity storage; advanced batteries models; net metering; energy management; optimization algorithms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Standalone (off-grid) renewable energy systems supply electricity in places where there is no access to the standard electrical grid. These systems can include photovoltaic generators, wind turbines, hydro turbines, or any other renewable electrical generators. These systems usually include electricity storage. In some cases, a backup generator is part of the hybrid system.  

The modelling of the components, the control of the system, and the simulation of the performance of the whole system is necessary to evaluate the system both technically and economically. The optimization of the sizing and/or the control is also an important task in this kind of system.  

Taking all the above into account, this Special Issue is dedicated to any topic related to ‘’Standalone Renewable Energy Systems’’, including modelling, control, sizing, simulation, and optimization, considering both technical and economic aspects.

Prof. Dr. Rodolfo Dufo-López
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • standalone renewable systems
  • photovoltaic
  • wind
  • electricity storage
  • batteries
  • backup generator
  • modelling
  • control
  • simulation
  • optimization

Published Papers (1 paper)

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Research

15 pages, 5307 KiB  
Article
Experimental Investigation of Azimuth- and Sensor-Based Control Strategies for a PV Solar Tracking Application
by Nasir G. Hariri, Mohammed A. AlMutawa, Ibrahim Sufian Osman, Ibrahim K. AlMadani, Abdulilah M. Almahdi and Sajid Ali
Appl. Sci. 2022, 12(9), 4758; https://doi.org/10.3390/app12094758 - 09 May 2022
Cited by 16 | Viewed by 5174
Abstract
Today, the world continuously investigates the promising potential of advanced and optimized technologies for harvesting green renewable energy sources, such as a solar tracking system (STS). This study presents an actual implementation of a single-axis solar tracking system (SAST), where an azimuth control [...] Read more.
Today, the world continuously investigates the promising potential of advanced and optimized technologies for harvesting green renewable energy sources, such as a solar tracking system (STS). This study presents an actual implementation of a single-axis solar tracking system (SAST), where an azimuth control scheme is developed to precisely follow the sun’s orientation. This is demonstrated by computing in real-time the optimal azimuth angle based on the actual altitude, date, and time using an embedded microcontroller. At the same time, experimental comparisons using the azimuth-based control method compared with the proportional, integral, derivative (PID) control scheme and fixed-tilt PV systems (FTPV) are derived. Experimental results show that the developed azimuth solar tracker can autonomously follow the sun’s orientation primarily from time and location-based information and independent from the actual solar irradiance. Nevertheless, the electrical energies gained from all three tested systems revealed that using the sensor-based STS would increase the net energy production by 12.68% compared to the azimuth-based SAST, with an energy production increase of 7.7%. In addition, energy consumption by the azimuth-based STS is 65% greater than the energy consumption of a sensor-based STS due to the continuous movements of the tracker, regardless of the increase or change in power production within short periods. Full article
(This article belongs to the Special Issue Standalone Renewable Energy Systems—Modeling and Controlling (Volume III))
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