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Electronics
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Solar Energy Conversions
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Solar Energy Conversions

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (17 July 2024) | Viewed by 3916

Special Issue Editor

Dr. Rouhollah Moosavi

E-Mail Website
Guest Editor
Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174, USA
Interests: renewable energy; heat transfer; multiphase flow; fuel cell

Special Issue Information

Dear Colleagues,

Solar Energy Conversion and renewable energy are crucial parts of modern industry and society. Solar energy conversion describes technologies dedicated to converting solar energy into other (useful) forms of energy, including electricity, heat, and fuel, that involve devices such as photovoltaic (PV) panels that are capable of generating and storing solar energy. Today, due to the increasing energy cost and demand for economics and buildings, research and development in renewable energy are becoming significantly important and it is one of the principal challenges in the energy sector.

This special issue “Solar Energy Conversion” will provide a multi-disciplinary and insightful analysis of the problems and issues, which covers a wide range of topics in solar energy conversion, renewable and storing energy. Papers in this special issue address significant challenges in the renewable energy conversion, economic, saving energy materials, phase change materials, power sector, technical, policy, and regulatory issues about these subjects.

Potential topics include the following (but are not limited):

  • Solar energy
  • Solar energy storage
  • Solar cells
  • Renewable energy
  • Application of solar energy in the buildings
  • Phase change materials
  • Sustainable energy
  • Clean energy
  • The role of renewable energy in pollution
  • The role of solar energy in cooling and heating
  • Green energy
  • Fuel cell
  • Bio-mass solar energy
  • Solar-wind hybrid renewable energy systems

Dr. Rouhollah Moosavi
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. Electronics 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

  • solar energy
  • energy conversion
  • storage energy
  • renewable energy
  • green energy
  • solar cell
  • sustainable energy

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Published Papers (2 papers)

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Research

18 pages, 7097 KiB  
Article
The Quasi-Resonant Structure and Control Strategy of a Photovoltaic Flyback Grid-Connected Microinverter
by Zipei Cao, Annisa binti Jamali, Abdullah Yassin and Ya Huang
Electronics 2024, 13(10), 1903; https://doi.org/10.3390/electronics13101903 - 13 May 2024
Viewed by 1400
Abstract
This study proposes a topology structure for a flyback grid-connected inverter with a compensation capacitor. The addition of the compensation capacitor structure increases the harmonic oscillation period and reduces the switching frequency. Additionally, a control strategy for the microinverter is proposed. By using [...] Read more.
This study proposes a topology structure for a flyback grid-connected inverter with a compensation capacitor. The addition of the compensation capacitor structure increases the harmonic oscillation period and reduces the switching frequency. Additionally, a control strategy for the microinverter is proposed. By using an accurate peak current reference curve, the system ensures precise turn-off signals, thus reducing the harmonic content of the grid-connected current. Simultaneously, the multi-valley turn-on strategy is employed to address the issue of high switching frequency, minimising the impact of energy. The proposed topology structure and control methods are modelled, simulated, and tested to validate the feasibility of the microinverter topology structure and the effectiveness of the control strategy, achieving a maximum efficiency of 95.2% and controlling the total harmonic distortion (THD) below 2.39%. Compared to other microinverter products, it is more efficient and stable. Full article
(This article belongs to the Special Issue Solar Energy Conversions)
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19 pages, 6717 KiB  
Article
Photovoltaic Array Dynamic Reconfiguration Based on an Improved Pelican Optimization Algorithm
by Sheng Li, Tianhong Zhang and Jiawei Yu
Electronics 2023, 12(15), 3317; https://doi.org/10.3390/electronics12153317 - 2 Aug 2023
Cited by 15 | Viewed by 2033
Abstract
After prolonged operation, external objects may obstruct the photovoltaic (PV) array, resulting in prolonged partial shading. The dynamic reconfiguration of PV arrays uses a switch matrix to change the electrical positions of the PV cells in the array, and it is an effective [...] Read more.
After prolonged operation, external objects may obstruct the photovoltaic (PV) array, resulting in prolonged partial shading. The dynamic reconfiguration of PV arrays uses a switch matrix to change the electrical positions of the PV cells in the array, and it is an effective method to solve the problem of partial shading. Most of the current dynamic reconfigurations only consider the optimization of power output. Neglecting the switch actions will increase the number of switch matrix actions, making the switch control more complex and reducing the lifespan of devices. To address power optimization and switch action optimization simultaneously during dynamic reconfiguration, this paper introduces a novel objective function. This function combines power optimization and switch action optimization in a weighted manner. Based on the novel function, the algorithm prioritizes optimizing the electrical positions of PV cells with larger shading values. This ensures that the PV array can improve its output while significantly reducing the number of switch actions. The Pelican Optimization Algorithm (POA) is improved and employed to optimize the proposed objective function. In terms of the output power optimization, the effectiveness of the novel objective function with the improved POA is validated by comparing and analyzing the reconfiguration results with the conventional objective functions under four shading scenarios. The results demonstrate that the novel objective function with the improved POA increases the output power by 30% in short and wide shadow and achieves the highest power output. Moreover, the tests conducted on dynamic reconfiguration results with different weights validate the effectiveness of the novel objective function in minimizing switching actions while improving power output. Full article
(This article belongs to the Special Issue Solar Energy Conversions)
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