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Energies
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Smart Energy, Plasma and Nuclear Systems
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Smart Energy, Plasma and Nuclear Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A: Sustainable Energy".

Deadline for manuscript submissions: closed (1 April 2020) | Viewed by 15265

Printed Edition Available!
A printed edition of this Special Issue is available here.

Special Issue Editor

Prof. Dr. Hossam A. Gabbar

E-Mail Website
Guest Editor
Department of Energy and Nuclear Engineering, Faculty of Engineering and Applied Science, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
Interests: resilient smart energy grids and micro-energy grids planning, control, and protection; advanced plasma generation and application on fusion energy; advanced safety and control systems for nuclear power plants; safety engineering, fault diagnosis, and real-time simulation; risk-based energy conservation; smart green buildings; process systems engineering of the energy and nuclear facilities, and oil and gas production plants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 7th International Conference on Smart Energy Grid Engineering (SEGE 2019) (http://www.sege-conference.com/) will take place at UOIT, Oshawa, Canada, 12–14 August 2019.

The SEGE conference aims at providing an opportunity to discuss various engineering challenges of smart energy grid design and operation by focusing on advanced methods and practices for designing different components and their integration within the grid. It also provides a forum for researchers from academia and professionals from industry, as well as government regulators, to tackle these challenges and discuss and exchange knowledge and best practices about design and the implementation of smart energy grids.

The Symposium on Plasma and Nuclear Systems (SPANS 2019) is connected with SEGE 2019 and will be held on 15 August 2019.

SPANS is providing a forum for researchers from academia and industry to present and discuss the latest research innovations in nuclear and plasma systems. SPANS will provide attendees with state-of-the-art research and technologies and engage in active discussions with industry. Additionally, it will provide industry with opportunities to promote their products and business cases. Attendees from regulators and standards will engage in fruitful discussions on how R&D is linked with regulations and standards.

Authors of papers related to energies presented at the conferences are invited to submit extended versions of their work to the Special Issue for publication.

Prof. Dr. Hossam A. Gabbar
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

  • Smart energy grids
  • Energy efficiency
  • Clean energy
  • Renewable energy

Published Papers (5 papers)

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Research

21 pages, 3604 KiB  
Article
Electrical Loads and Power Systems for the DEMO Nuclear Fusion Project
by Simone Minucci, Stefano Panella, Sergio Ciattaglia, Maria Carmen Falvo and Alessandro Lampasi
Energies 2020, 13(9), 2269; https://doi.org/10.3390/en13092269 - 04 May 2020
Cited by 16 | Viewed by 3346
Abstract
EU-DEMO is a European project, having the ambitious goal to be the first demonstrative power plant based on nuclear fusion. The electrical power that is expected to be produced is in the order of 700–800 MW, to be delivered via a connection to [...] Read more.
EU-DEMO is a European project, having the ambitious goal to be the first demonstrative power plant based on nuclear fusion. The electrical power that is expected to be produced is in the order of 700–800 MW, to be delivered via a connection to the European High Voltage electrical grid. The initiation and control of fusion processes, besides the problems related to the nuclear physics, need very complex electrical systems. Moreover, also the conversion of the output power is not trivial, especially because of the inherent discontinuity in the EU-DEMO operations. The present article concerns preliminary studies for the feasibility and realization of the nuclear fusion power plant EU-DEMO, with a special focus on the power electrical systems. In particular, the first stage of the study deals with the survey and analysis of the electrical loads, starting from the steady-state loads. Their impact is so relevant that could jeopardy the efficiency and the convenience of the plant itself. Afterwards, the loads are inserted into a preliminary internal distribution grid, sizing the main electrical components to carry out the power flow analysis, which is based on simulation models implemented in the DIgSILENT PowerFactory software. Full article
(This article belongs to the Special Issue Smart Energy, Plasma and Nuclear Systems)
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19 pages, 5084 KiB  
Article
Energy Analysis for the Connection of the Nuclear Reactor DEMO to the European Electrical Grid
by Sergio Ciattaglia, Maria Carmen Falvo, Alessandro Lampasi and Matteo Proietti Cosimi
Energies 2020, 13(9), 2157; https://doi.org/10.3390/en13092157 - 01 May 2020
Cited by 10 | Viewed by 2557
Abstract
Towards the middle of the current century, the DEMOnstration power plant, DEMO, will start operating as the first nuclear fusion reactor capable of supplying its own loads and of providing electrical power to the European electrical grid. The presence of such a unique [...] Read more.
Towards the middle of the current century, the DEMOnstration power plant, DEMO, will start operating as the first nuclear fusion reactor capable of supplying its own loads and of providing electrical power to the European electrical grid. The presence of such a unique and peculiar facility in the European transmission system involves many issues that have to be faced in the project phase. This work represents the first study linking the operation of the nuclear fusion power plant DEMO to the actual requirements for its correct functioning as a facility connected to the power systems. In order to build this link, the present work reports the analysis of the requirements that this unconventional power-generating facility should fulfill for the proper connection and operation in the European electrical grid. Through this analysis, the study reaches its main objectives, which are the definition of the limitations of the current design choices in terms of power-generating capability and the preliminary evaluation of advantages and disadvantages that the possible configurations for the connection of the facility to the European electrical grid can have. In reference to the second objective, the work makes possible a first attempt at defining the features of the point of connection to the European grid, whose knowledge will be useful in the future, for the choice of the real construction site. Full article
(This article belongs to the Special Issue Smart Energy, Plasma and Nuclear Systems)
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29 pages, 4649 KiB  
Article
Techno-Economic Evaluation of Interconnected Nuclear-Renewable Micro Hybrid Energy Systems with Combined Heat and Power
by Hossam A. Gabbar, Muhammad R. Abdussami and Md. Ibrahim Adham
Energies 2020, 13(7), 1642; https://doi.org/10.3390/en13071642 - 02 Apr 2020
Cited by 20 | Viewed by 3635
Abstract
Renewable energy sources (RESs) play an indispensable role in sustainable advancement by reducing greenhouse gas (GHG) emissions. Nevertheless, due to the shortcomings of RESs, an energy mix with RESs is required to support the baseload and to avoid the effects of RES variability. [...] Read more.
Renewable energy sources (RESs) play an indispensable role in sustainable advancement by reducing greenhouse gas (GHG) emissions. Nevertheless, due to the shortcomings of RESs, an energy mix with RESs is required to support the baseload and to avoid the effects of RES variability. Fossil fuel-based thermal generators (FFTGs), like diesel generators, have been used with RESs to support the baseload. However, using FFTGs with RESs is not a good option to reduce GHG emissions. Hence, the small-scale nuclear power plant (NPPs), such as the micro-modular reactor (MMR), have become a modern alternative to FFTGs. In this paper, the authors have investigated five different hybrid energy systems (HES) with combined heat and power (CHP), named ‘conventional small-scale fossil fuel-based thermal energy system,’ ‘small-scale stand-alone RESs-based energy system,’ ‘conventional small-scale fossil fuel-based thermal and RESs-based HES,’ ‘small-scale stand-alone nuclear energy system,’ and ‘nuclear-renewable micro hybrid energy system (N-R MHES),’ respectively, in terms of net present cost (NPC), cost of energy (COE), and GHG emissions. A sensitivity analysis was also conducted to identify the impact of the different variables on the systems. The results reveal that the N-R MHES could be the most suitable scheme for decarbonization and sustainable energy solutions. Full article
(This article belongs to the Special Issue Smart Energy, Plasma and Nuclear Systems)
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12 pages, 410 KiB  
Article
Fault Current Tracing and Identification via Machine Learning Considering Distributed Energy Resources in Distribution Networks
by Wanghao Fei and Paul Moses
Energies 2019, 12(22), 4333; https://doi.org/10.3390/en12224333 - 14 Nov 2019
Cited by 14 | Viewed by 2324
Abstract
The growth of intermittent distributed energy sources (DERs) in distribution grids is raising many new operational challenges for utilities. One major problem is the back feed power flows from DERs that complicate state estimation for practical problems, such as detection of lower level [...] Read more.
The growth of intermittent distributed energy sources (DERs) in distribution grids is raising many new operational challenges for utilities. One major problem is the back feed power flows from DERs that complicate state estimation for practical problems, such as detection of lower level fault currents, that cause the poor accuracy of fault current identification for power system protection. Existing artificial intelligence (AI)-based methods, such as support vector machine (SVM), are unable to detect lower level faults especially from inverter-based DERs that offer limited fault currents. To solve this problem, a current tracing method (CTM) has been proposed to model the single distribution feeder as several independent parallel connected virtual lines that traces the detailed contribution of different current sources to the power line current. Moreover, for the first time, the enhanced current information is used as the expanded feature space of SVM to significantly improve fault current detection on the power line. The proposed method is shown to be sensitive to very low level fault currents which is validated through simulations. Full article
(This article belongs to the Special Issue Smart Energy, Plasma and Nuclear Systems)
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10 pages, 3395 KiB  
Article
Comparison and Design of Resonant Network Considering the Characteristics of a Plasma Generator
by Geun Wan Koo, Won-Young Sung and Byoung Kuk Lee
Energies 2019, 12(16), 3156; https://doi.org/10.3390/en12163156 - 16 Aug 2019
Cited by 3 | Viewed by 2712
Abstract
This paper presents a theoretical analysis and experimental study on the resonant network of the power conditioning system (PCS) for a plasma generator. In order to consider the characteristics of the plasma load, the resonant network of the DC-AC inverter is designed and [...] Read more.
This paper presents a theoretical analysis and experimental study on the resonant network of the power conditioning system (PCS) for a plasma generator. In order to consider the characteristics of the plasma load, the resonant network of the DC-AC inverter is designed and analyzed. Specifically, the design of an LCL resonant network and an LCCL resonant network, which can satisfy the output current specification in consideration of plasma characteristics, is explained in detail. Moreover, the inverter current and phase angle between the inverter voltage and current is derived for evaluating inverter performance. Based on these analysis results, the DC-AC inverter can be designed for a plasma generator considering plasma load characteristics. The theoretical analysis of both networks is validated through the simulation and experimental results. Full article
(This article belongs to the Special Issue Smart Energy, Plasma and Nuclear Systems)
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