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Toward Sustainable Energy Systems for Smart Grids and Smart Societies

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A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (16 May 2018) | Viewed by 20511

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Prof. Dr. Hideaki Ohgaki

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Advanced Energy Generation Research Division, Kyoto University, Kyoto 606-8501, Japan
Interests: renewable energy implementation; rural electrification; nuclear technology
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Prof. Dr. Hiroyuki Hamada

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Kansai FRP Forum, Kyoto Institute of Technology, Kyoto City 606-8585, Japan
Interests: new material for energy
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Dr. Sommai PIVSA-ART

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Faculty of Engineering, Rajamangala University of Technology Thanyaburi (RMUTT), Pathum Thani 12110, Thailand
Interests: new material for energy
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Dr. Boonyang Plangklang

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Guest Editor

Faculty of Electrical Engineering, Rajamangala University of Technology Thanyaburi (RMUTT), Pathum Thani 12110, Thailand
Interests: electrical power system; solar and renewable energy
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Special Issue Information

Dear Colleagues,

The 14^th Eco-Energy and Materials Science and Engineering Symposium (EMSES2018) is an annual conference for world-renowned scholars, researchers, and young students in the field of “energy, environment and materials science”. The scope of EMSES2018 will include, but is not limited to, the various disciplines of energy, environment, materials, and engineering, including: energy technology, materials science, environment and social impact, new energy and fusion, advanced technology, and so on.

The EMSES2018 will prepare diverse programs, including a plenary/keynote sessions, oral/poster sessions, exhibitions, and social events. We are ready to reach out and listen to various and valuable voices from professionals and industry colleagues globally, and are willing to reflect their wishes in the program, serving as a bridge between them and beyond.

The venue of EMSES2018 is the beautiful city of Kyoto. Each year, more than 20 million people visit Kyoto to enjoy its exotic natural beauty, local culture, and various leisure activities. As chairman of EMSES2018, we are certain that EMSES2018 will be a memorable experience for you both on personal and professional grounds.

We warmly invite you to participate in the EMSES2018 program of activities. We are confident that you will find the program to be enriching, enlightening, and rewarding.

Prof. Dr. Hideaki Ohgaki
Prof. Dr. Hiroyuki Hamada
Assist. Prof. Dr. Sommai PIVSA-ART
Assoc. Prof. Dr. Boonyang Plangklang
Guest Editors

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

Energy Technology
Energy Efficiency and Rational Use of Energy
New Energy Materials
New Energy and Fusion
Environmental Contamination and Remediation
Social Impact and Development
National Development Policies and Development Aid
Governance, Civil Society, and People’s Participation
Regional Economic Integration: Opportunity and Marginalization
Sustainable Consumption and Production
Safety, Environmental, and Economic Aspects of Fusion

Published Papers (4 papers)

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Research

24 pages, 7287 KiB

Open AccessArticle

Analysis of Ferroresonance Phenomenon in 22 kV Distribution System with a Photovoltaic Source by PSCAD/EMTDC

by Nattapan Thanomsat, Boonyang Plangklang and Hideaki Ohgaki

Energies 2018, 11(7), 1742; https://doi.org/10.3390/en11071742 - 03 Jul 2018

Cited by 12 | Viewed by 7161

Abstract

Overvoltage and overcurrent in the middle voltage (MV) 22 kV and low voltage (LV) 0.4 kV distribution network with photovoltaic (PV) rooftop system of the Provincial Electricity Authority of Thailand (PEA) have been investigated in order to show that these unwanted situations are caused by the ferroresonance phenomenon. This information would be useful to improve a better solution for the system protection when PV rooftops are integrated into the PEA distribution system. The software tool, PSCAD/EMTDC is used to study the overvoltage at the high side of open-delta and open-wye distribution transformer- and overcurrent at the low side of distribution transformer linked to the grid system via three single-phase fuse cutouts. The ferroresonance phenomenon can be observed when the PV rooftop system is linked to the low voltage side of the distribution transformer via three single-phase fuse cutouts. The results show a good similarity with the results from the simulation of the MV side and LV side of distribution transformers. Finally, the physical phenomena described to the overvoltage, overcurrent, and the destruction of the distribution transformer and other apparatus in load customers will occur when the system consists of the PV rooftop source, capacitance in long transmission line, nonlinear distribution transformer with saturation characteristic and the usage of single-phase switching cutouts in the system. Full article

(This article belongs to the Special Issue Toward Sustainable Energy Systems for Smart Grids and Smart Societies)

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19 pages, 6518 KiB

Open AccessArticle

Fuzzy Control for Smart PV-Battery System Management to Stabilize Grid Voltage of 22 kV Distribution System in Thailand

by Kongrit Mansiri, Sukruedee Sukchai and Chatchai Sirisamphanwong

Energies 2018, 11(7), 1730; https://doi.org/10.3390/en11071730 - 02 Jul 2018

Cited by 11 | Viewed by 3625

Abstract

This paper presents a fuzzy logic based algorithm developed to bring smart functionality to an ordinary PV-battery system in order to maintain the grid voltage stability of the 22 kV distribution system in Thailand. This research focuses on minimizing grid voltage fluctuations by converting a typical PV system into a smart PV-battery system (SPVs-BSS). A SPVs-BSS will be able to control the electrical power from a PV system to maintain the grid voltage in case of unexpected events or emergencies. Grid support functions such as a variable reactive power control and active power control will be discussed, leading to strategies for charging and discharging the battery system in response to the status of grid voltage. Fuzzy Logic was used to develop this control algorithm, which is named the Voltage Stability Fuzzy Logic Algorithm (VSFL Algorithm). The methodology of this research consists of three parts. First, testing the grid inverter operated on grid support functions. Second, the VSFL algorithm was developed to manage both the grid inverter and the battery system. Third, a SPVs-BSS equipped with the VSFL algorithm was simulated by using DIgsilent PowerFactory software. Results showed that the SPVs-BSS equipped with the VSFL Algorithm successfully maintained grid voltage in target range. Full article

(This article belongs to the Special Issue Toward Sustainable Energy Systems for Smart Grids and Smart Societies)

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16 pages, 1905 KiB

Open AccessArticle

Impact of Plug-in Electric Vehicles Integrated into Power Distribution System Based on Voltage-Dependent Power Flow Analysis

by Yuttana Kongjeen and Krischonme Bhumkittipich

Energies 2018, 11(6), 1571; https://doi.org/10.3390/en11061571 - 14 Jun 2018

Cited by 53 | Viewed by 5507

Abstract

This paper proposes the impact of plug-in electric vehicles (PEVs) integrated into a power distribution system based on voltage-dependent control. The gasolinegate situation has many people turning to electric vehicles as a more environmentally friendly option, especially in smart community areas. The advantage of PEVs is modern vehicles that can use several types of fuel cells and batteries as energy sources. The proposed PEVs model was developed as a static load model in power distribution systems under balanced load conditions. The power flow analysis was determined by using certain parameters of the proposed electrical network. The main research objective was to determine the voltage magnitude profiles, the load voltage deviation, and total power losses of the electrical power system by using the new proposed methodology. Furthermore, it investigated the effects of the constant power load, the constant current load, the constant impedance load, and the plug-in electric vehicles load model. The IEEE 33 bus system was selected as the test system. The proposed methodology assigned the balanced load types in a steady state condition and used the new methodology to solve the power flow problem. The simulation results showed that increasing the plug-in electric vehicles load had an impact on the grids when compared with the other four load types. The lowest increased value for the plug-in electric vehicles load had an effect on the load voltage deviation (0.062), the total active power loss (120 kW) and the total reactive power loss (80 kVar), respectively. Therefore, this study verified that the load of PEVs can affect the electrical power system according to the time charging and charger position. Therefore, future work could examine the difference caused when PEVs are attached to the electrical power system by means of the conventional or complex load type. Full article

(This article belongs to the Special Issue Toward Sustainable Energy Systems for Smart Grids and Smart Societies)

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14 pages, 2798 KiB

Open AccessArticle

Development Strategy for Sustainable Solar Home System in the Akha Upland Community of Thailand

by Pimnapat Bhumkittipich and Hideaki Ohgaki

Energies 2018, 11(6), 1509; https://doi.org/10.3390/en11061509 - 10 Jun 2018

Cited by 2 | Viewed by 3694

Abstract

With the growing effects of global warming and carbon pollution, environmental protection has become an urgent necessity. In addition, solar energy has been accepted worldwide for the generation of electricity. However, remote areas in Thailand have not had effective solar home system (SHS) development. This paper aims to explore the problems of SHS development and analyze the external factors that could have an impact on their operation in the Akha upland community of Thailand. The result of the survey indicates that about 79.38% of the respondents displayed a high-level lack of information and repair work. Moreover, many respondents presented low-level satisfaction in developing SHS. There are four strategies for sustainable SHS development using a factor analysis process, these include creating approval of SHS technologies 24.93%, developing SHS management 22.64%, promoting SHS technologies 14.29%, and supporting SHS policies 10.97%. In particular, this study considered the public views on the role of an organization that could lead to sustainable development of SHS. Furthermore, these should be managed suitably for each community. As a result, this study has provided some valuable references for SHS promotion in Thailand. Full article

(This article belongs to the Special Issue Toward Sustainable Energy Systems for Smart Grids and Smart Societies)

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