Article
Energy & Fuels
H. Ben Sassi, C. Alaoui, F. Errahimi, N. Es-Sbai
Summary: This paper investigates the suitability of V2G technology for the Moroccan national grid, outlining the state of art of the technology and the current status of the country's power grid. The paper also takes into consideration the evolution of the EV market in the country and the deployed EV charging infrastructure. Additionally, a survey on the potential services that V2G could provide is presented.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Analytical
Jigar Sarda, Yashrajsinh Raj, Arpita Patel, Aasheesh Shukla, Satish Kachhatiya, Mangal Sain
Summary: This study proposes a vehicle-to-grid (V2G) technology that can effectively control the frequency of a microgrid throughout a 24-hour cycle, benefiting the power system for large-scale adoption of hybrid electric vehicles. By modeling 400 electric vehicles (EVs) as a basic model, a microgrid with a 1:5 ratio of cars to households is simulated, representing a typical case in the future. Through coordinating control of various power sources and load demand regulation with V2G devices, the system frequency of the microgrid can be managed, effectively managing energy and reducing the uncertain nature of renewable energy source (RES) power generation with enhanced performance. System parameter variations have been investigated, resulting in an error confined to less than 5%.
Review
Green & Sustainable Science & Technology
Sagar Hossain, Md. Rokonuzzaman, Kazi Sajedur Rahman, A. K. M. Ahasan Habib, Wen-Shan Tan, Md Mahmud, Shahariar Chowdhury, Sittiporn Channumsin
Summary: With the advancement of technology towards zero carbon emissions, the proportion of electric vehicles (EVs) is increasing day by day. Grid-to-vehicle (G2V) and vehicle-to-grid (V2G) technologies are receiving significant attention as a means to mitigate greenhouse gas emissions in the transportation sector. This literature review examines the impact of G2V and V2G technologies, including opportunities, strategies, operation, control, issues, and new technology adoption. The paper highlights the potential for advancements in EV technology, efficient integration of grids and EVs, bidirectional charging and discharging, control of grid and EV structures, and provides recommendations to address challenges and reap the benefits.
Article
Construction & Building Technology
Abdullah Dik, Cagri Kutlu, Siddig Omer, Rabah Boukhanouf, Yuehong Su, Saffa Riffat
Summary: The global demand for electricity is increasing, especially in developing countries due to the electrification of transportation and heat generation in buildings. The energy supply infrastructure needs to be managed carefully to meet the electricity demand while considering climate change targets. Renewable sources will play a significant role in meeting the new electricity loads, but power storage is crucial to address their intermittent nature. The introduction of Electric Vehicles (EVs) and Vehicle-to-everything (V2X) concept can provide dynamic power storage, reducing carbon footprint and recovering surplus renewable energy.
ENERGY AND BUILDINGS
(2023)
Article
Energy & Fuels
Bijan Bibak, Lihui Bai
Summary: Recently, the migration from internal combustion cars to electric vehicles (EVs) has gained attention as a viable solution for energy sustainability. However, the short lifespan of EV batteries poses a challenge. This paper proposes an optimal model for a commercial and industrial electric fleet system to reduce total electricity costs by coordinating various energy sources and usage.
SUSTAINABLE ENERGY GRIDS & NETWORKS
(2023)
Review
Green & Sustainable Science & Technology
Omer Gonul, A. Can Duman, Onder Guler
Summary: This study focuses on Turkey's position in electric vehicle technology, evaluating the current state of EV, charging infrastructure, battery market, regulations, R&D activities, and industry. Recommendations are made to address deficiencies in charging infrastructure, raise awareness in society, and strengthen EVCS infrastructure in the eastern part of the country.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Green & Sustainable Science & Technology
Xing Yao, Ying Fan, Fan Zhao, Shao-Chao Ma
Summary: This paper explores the role of electric vehicles in reducing economic costs and carbon emissions of the power system, as well as increasing the integration of renewable energy. By constructing a multi-regional power dispatch and expansion model, the study shows that implementing V2G can reduce total costs, carbon emissions, and increase the proportion of wind and photovoltaic power generation by 2030 in China.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Green & Sustainable Science & Technology
Md Rayid Hasan Mojumder, Fahmida Ahmed Antara, Md Hasanuzzaman, Basem Alamri, Mohammad Alsharef
Summary: This study focuses on the challenges and opportunities of V2G implementation worldwide, highlighting the gaps in research within the V2G domain. It covers the opportunities, policies, and business models of V2G, the technology overview, challenges associated with V2G on the power grid and vehicle batteries, and potential solutions. It also discusses significant challenges such as the lack of a concrete V2G business model, stakeholders and government incentives, burden on EV batteries, deficiency of bidirectional battery charger units, injection of harmonics to the power grid, and uneconomical V2G practices. Recent research and international agency reports provide possible solutions and highlight the need for further research to fully realize the potential of V2G.
Article
Green & Sustainable Science & Technology
Hang Yu, Songyan Niu, Yitong Shang, Ziyun Shao, Youwei Jia, Linni Jian
Summary: This paper discusses the challenges and solutions for integrating electric vehicles with distribution grids and V2G operation, evaluates the performance of different architectures in terms of charging demand compatibility, power quality, V2G availability, etc., and provides recommendations for optimal architecture selection.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Energy & Fuels
Xinshou Tian, Boyuan Cheng, Hongzhi Liu
Summary: As a nascent industry, electric vehicles have made significant advancements in technology and policy, providing a clearer development trend and promising future prospects. The integration of EVs with the energy sector, specifically with vehicle-to-grid technology and efficient collaboration, serves as major areas for technical breakthroughs. This paper analyzes the impact of disordered charging of EVs on the power grid and proposes an optimized V2G power control strategy based on time-of-use electricity pricing and comprehensive load cost optimization.
Article
Engineering, Electrical & Electronic
Hong Fan, Diwei Wang, Zichun Yu, Liang Du
Summary: This article investigates how to optimally schedule electric buses (EBs) in regions where heterogeneous energy resources are integrated as a regional integrated energy system (RIES). A novel bilevel optimal scheduling framework considering EBs' operation schedules and vehicle-to-grid (V2G) responses is proposed. Simulation results based on five scenarios show that the bilevel model and the two-stage optimal scheduling method can realize the optimal operation cost and reduce the electrical load fluctuation of the system.
IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION
(2023)
Article
Energy & Fuels
Usama Rehman, Donghan Feng, Hao Su, Muhammad Numan, Farukh Abbas
Summary: This study proposes an intelligent charging mechanism utilizing EVBs in RLs to address the issues of network overloading and electric power shortfalls. By employing smart charging/discharging and SMPC technology, fluctuations in power demand in smart communities can be reduced, improving the efficiency of the power network.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Energy & Fuels
Sinan Cai, Ryuji Matsuhashi
Summary: An optimal dispatching control is proposed for EV aggregators to provide regulation capacity to the power system while ensuring individual EVs have enough SOC before the next trip. The proposed control operates at a faster time-step, allowing more efficient use of EVs and obtaining more market capacity payment for the aggregators. Simulation in Matlab and Simulink validates the performance and effectiveness of the proposed dispatching controller.
Article
Energy & Fuels
Dusan Medved, Lubomir Bena, Maksym Oliinyk, Jaroslav Dzmura, Damian Mazur, David Martinko
Summary: This study explores the impact of electric vehicle charging on the power distribution system. By simulating a parking lot with different types of EVs, the charging profiles and their effects on the grid are analyzed. Additionally, the effects of smart parking on the urban electrical grid are examined using a mathematical algorithm and four different scenarios. The core distribution system parameters, voltage and current, are compared across these scenarios.
Article
Green & Sustainable Science & Technology
T. K. Wellik, J. R. Griffin, K. M. Kockelman, M. Mohamed
Summary: The study quantified the opportunity that an electric bus fleet offers in overcoming challenges of renewable energy sources, and compared different charging strategies in terms of energy cost and emissions through an Austin case study.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Energy & Fuels
Nina Juul, Peter Meibom
Article
Energy & Fuels
F. M. Andersen, H. V. Larsen, N. Juul, R. B. Gaardestrup
Article
Thermodynamics
Nina Juul, Peter Meibom
Article
Thermodynamics
Karsten Hedegaard, Hans Ravn, Nina Juul, Peter Meibom
Article
Management
Trine Krogh Boomsma, Nina Juul, Stein-Erik Fleten
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
(2014)
Review
Engineering, Environmental
N. Juul, M. Munster, H. Ravn, M. Ljunggren Soderman
Article
Thermodynamics
Yong Cheng, Fukai Song, Lei Fu, Saishuai Dai, Zhiming Yuan, Atilla Incecik
Summary: This paper investigates the accessibility of wave energy absorption by a dual-pontoon floating breakwater integrated with hybrid-type wave energy converters (WECs) and proposes a hydraulic-pneumatic complementary energy extraction method. The performance of the system is validated through experiments and comparative analysis.
Article
Thermodynamics
Jing Gao, Chao Wang, Zhanwu Wang, Jin Lin, Runkai Zhang, Xin Wu, Guangyin Xu, Zhenfeng Wang
Summary: This study aims to establish a new integrated method for biomass cogeneration project site selection, with a focus on the application of the model in Henan Province. By integrating Geographic Information System and Multiple Criterion Decision Making methods, the study conducts site selection in two stages, providing a theoretical reference for the construction of biomass cogeneration projects.
Article
Thermodynamics
Mert Temiz, Ibrahim Dincer
Summary: The current study presents a hybrid small modular nuclear reactor and solar-based system for sustainable communities, integrating floating and bifacial photovoltaic arrays with a small modular reactor. The system efficiently generates power, hydrogen, ammonia, freshwater, and heat for residential, agricultural, and aquaculture facilities. Thermodynamic analysis shows high energy and exergy efficiencies, as well as large-scale ammonia production meeting the needs of metropolitan areas. The hybridization of nuclear and solar technologies offers advantages of reliability, environmental friendliness, and cost efficiency compared to renewable-alone and fossil-based systems.
Editorial Material
Thermodynamics
Wojciech Stanek, Wojciech Adamczyk
Article
Thermodynamics
Desheng Xu, Yanfeng Li, Tianmei Du, Hua Zhong, Youbo Huang, Lei Li, Xiangling Duanmu
Summary: This study investigates the optimization of hybrid mechanical-natural ventilation for smoke control in complex metro stations. The results show that atrium fires are more significantly impacted by outdoor temperature variations compared to concourse/platform fires. The gathered high-temperature smoke inside the atrium can reach up to 900 K under a 5 MW train fire energy release. The findings provide crucial engineering insights into integrating weather data and adaptable ventilation protocols for smoke prevention/mitigation.
Article
Thermodynamics
Da Guo, Heping Xie, Mingzhong Gao, Jianan Li, Zhiqiang He, Ling Chen, Cong Li, Le Zhao, Dingming Wang, Yiwei Zhang, Xin Fang, Guikang Liu, Zhongya Zhou, Lin Dai
Summary: This study proposes a new in-situ pressure-preserved coring tool and elaborates its pressure-preserving mechanism. The experimental and field test results demonstrate that this tool has a high pressure-preservation capability and can maintain a stable pressure in deep wells. This study provides a theoretical framework and design standards for the development of similar technologies.
Article
Thermodynamics
Aolin Lai, Qunwei Wang
Summary: This study assesses the impact of China's de-capacity policy on renewable energy development efficiency (REDE) using the Global-MSBM model and the difference-in-differences method. The findings indicate that the policy significantly enhances REDE, promoting technological advancements and marketization. Moreover, regions with stricter environmental regulations experience a higher impact.
Article
Thermodynamics
Mostafa Ghasemi, Hegazy Rezk
Summary: This study utilizes fuzzy modeling and optimization to enhance the performance of microbial fuel cells (MFCs). By simulating and analyzing experimental data sets, the ideal parameter values for increasing power density, COD elimination, and coulombic efficiency were determined. The results demonstrate that the fuzzy model and optimization methods can significantly improve the performance of MFCs.
Article
Thermodynamics
Zhang Ruan, Lianzhong Huang, Kai Wang, Ranqi Ma, Zhongyi Wang, Rui Zhang, Haoyang Zhao, Cong Wang
Summary: This paper proposes a grey box model for fuel consumption prediction of wing-diesel hybrid vessels based on feature construction. By using both parallel and series grey box modeling methods and six machine learning algorithms, twelve combinations of prediction models are established. A feature construction method based on the aerodynamic performance of the wing and the energy relationship of the hybrid system is introduced. The best combination is obtained by considering the root mean square error, and it shows improved accuracy compared to the white box model. The proposed grey box model can accurately predict the daily fuel consumption of wing-diesel hybrid vessels, contributing to operational optimization and the greenization and decarbonization of the shipping industry.
Article
Thermodynamics
Huayi Chang, Nico Heerink, Junbiao Zhang, Ke He
Summary: This study examines the interaction between off-farm employment decisions between couples and household clean energy consumption in rural China, and finds that two-paycheck households are more likely to consume clean energy. The off-farm employment of women is a key factor driving household clean energy consumption to a higher level, with wage-employed wives having a stronger influence on these decisions than self-employed ones.
Article
Thermodynamics
Hanguan Wen, Xiufeng Liu, Ming Yang, Bo Lei, Xu Cheng, Zhe Chen
Summary: Demand-side management is crucial to smart energy systems. This paper proposes a data-driven approach to understand the relationship between energy consumption patterns and household characteristics for better DSM services. The proposed method uses a clustering algorithm to generate optimal customer groups for DSM and a deep learning model for training. The model can predict the possibility of DSM membership for a given household. The results demonstrate the usefulness of weekly energy consumption data and household socio-demographic information for distinguishing consumer groups and the potential for targeted DSM strategies.
Article
Thermodynamics
Xinglan Hou, Xiuping Zhong, Shuaishuai Nie, Yafei Wang, Guigang Tu, Yingrui Ma, Kunyan Liu, Chen Chen
Summary: This study explores the feasibility of utilizing a multi-level horizontal branch well heat recovery system in the Qiabuqia geothermal field. The research systematically investigates the effects of various engineering parameters on production temperature, establishes mathematical models to describe their relationships, and evaluates the economic viability of the system. The findings demonstrate the significant economic feasibility of the multi-level branch well system.
Article
Thermodynamics
Longxin Zhang, Songtao Wang, Site Hu
Summary: This investigation reveals the influence of tip leakage flow on the modern transonic rotor and finds that the increase of tip clearance size leads to a decline in rotor performance. However, an optimal tip clearance size can extend the rotor's stall margin.
Article
Thermodynamics
Kristian Gjoka, Behzad Rismanchi, Robert H. Crawford
Summary: This paper proposes a framework for assessing the performance of 5GDHC systems and demonstrates it through a case study in a university campus in Melbourne, Australia. The results show that 5GDHC systems are a cost-effective and environmentally viable solution in mild climates, and their successful implementation in Australia can create new market opportunities and potential adoption in other countries with similar climatic conditions.
Article
Thermodynamics
Jianwei Li, Guotai Wang, Panpan Yang, Yongshuang Wen, Leian Zhang, Rujun Song, Chengwei Hou
Summary: This study proposes an orientation-adaptive electromagnetic energy harvester by introducing a rotatable bluff body, which allows for self-regulation to cater for changing wind flow direction. Experimental results show that the output power of the energy harvester can be greatly enhanced with increased rotatory inertia of the rotating bluff body, providing a promising solution for harnessing wind-induced vibration energy.