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Energies
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Planning and Operation of Renewable Energy Systems
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Planning and Operation of Renewable Energy Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 6254

Special Issue Editor

Dr. Ehsan Pashajavid

E-Mail Website
Guest Editor
School of Engineering and Technology, Central Queensland University, Perth, WA 6000, Australia
Interests: renewable energy resources; power quality; microgrids; electric vehicles; renewable power

Special Issue Information

Dear Colleagues,

While there is an ever-increasing effort towards achieving zero-emission energy generation systems, there are still various concerns regarding the satisfactory integration of renewable energy resources. This is mainly due to the intermittent nature and fluctuation of such energy resources. Moreover, attempts to achieve stable operation are met with further challenges caused by the dispersed nature of renewable energy generators. There is a great need for these concerns to be properly addressed through the development of more efficient planning and operational methods. This Special Issue aims to cover technical issues in the planning and operation of renewable energy systems (RESs) to promote clean energy utilization while improving energy efficiency. Topics of interest include but are not limited to the following:

  • Optimal methods in both planning and operation of RESs;
  • Efficient strategies for dynamic evaluation of RESs;
  • Small signal and large signal stability analysis of RESs;
  • Appropriate protection scheme for RESs;
  • Reliability considerations in both planning and operation of RESs;
  • Challenges with RESs in off-grid microgrids;
  • Power electronics interfaces for RESs.

Dr. Ehsan Pashajavid
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. Energies 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 2600 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

  • renewable energy
  • PV and wind generation
  • smart grid
  • microgrid
  • distributed generation
  • planning
  • operation
  • optimization

Published Papers (2 papers)

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Research

19 pages, 2898 KiB  
Article
Optimizing the Size of Autonomous Hybrid Microgrids with Regard to Load Shifting
by Alexander Lavrik, Yuri Zhukovskiy and Pavel Tcvetkov
Energies 2021, 14(16), 5059; https://0-doi-org.brum.beds.ac.uk/10.3390/en14165059 - 17 Aug 2021
Cited by 21 | Viewed by 2018
Abstract
The article proposes a method of multipurpose optimization of the size of an autonomous hybrid energy system consisting of photovoltaic, wind, diesel, and battery energy storage systems, and including a load-shifting system. The classical iterative Gauss–Seidel method was applied to optimize the size [...] Read more.
The article proposes a method of multipurpose optimization of the size of an autonomous hybrid energy system consisting of photovoltaic, wind, diesel, and battery energy storage systems, and including a load-shifting system. The classical iterative Gauss–Seidel method was applied to optimize the size of a hybrid energy system in a remote settlement on Sakhalin Island. As a result of the optimization according to the minimum net present value criterion, several optimal configurations corresponding to different component combinations were obtained. Several optimal configurations were also found, subject to a payback period constraint of 5, 6, and 7 years. Optimizing the size of the hybrid power system with electric load shifting showed that the share of the load not covered by renewable energy sources decreases by 1.25% and 2.1%, depending on the parameters of the load shifting model. Net present cost and payback period also decreased, other technical and economic indicators improved; however, CO2 emissions increased due to the reduction in the energy storage system. Full article
(This article belongs to the Special Issue Planning and Operation of Renewable Energy Systems)
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22 pages, 3213 KiB  
Article
Analysis and Simulations of the Primary Frequency Control during a System Split in Continental Europe Power System
by Mariano G. Ippolito, Rossano Musca and Gaetano Zizzo
Energies 2021, 14(5), 1456; https://0-doi-org.brum.beds.ac.uk/10.3390/en14051456 - 07 Mar 2021
Cited by 23 | Viewed by 3594
Abstract
The occurrence of system separations in the power system of Continental Europe has been observed in recent decades as a critical event which might cause power imbalances higher than the reference incident specified per system design, representing an actual challenge for the stability [...] Read more.
The occurrence of system separations in the power system of Continental Europe has been observed in recent decades as a critical event which might cause power imbalances higher than the reference incident specified per system design, representing an actual challenge for the stability and safe operation of the system. This work presents an analysis and simulations of the primary frequency control in the Continental Europe synchronous area in conditions of system separation. The adopted approach is based on fundamental aspects of the frequency-containment reserve process. The analysis takes an actual event into consideration, which determined the separation of the system in January 2021. The main purpose of the work is the development of specific models and simulations able to reproduce the actual split event. Due to specific arrangements discussed in detail, it is possible to obtain a substantial match between the simulations and the frequencies registered after the system split. The work also provides insight into the importance of the temporal sequence of power imbalances and defensive actions in the primary frequency control process. The models developed in the work are finally used to investigate the separation event under different operating conditions, such as missing defensive actions and low inertia scenarios. Full article
(This article belongs to the Special Issue Planning and Operation of Renewable Energy Systems)
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