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Publications related to Energy Systems (10,000)
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Poster
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Dear Colleagues, At present, there are problems such as inefficiency and environmental pollution in the process of energy production and utilization, and new technical methods urgently need to be developed. With the development of new technologies such as artificial intelligence, big data, and GIS, it is possible to carry out technological innovati...
Cover Page
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Dear Colleagues, Today, the world warmly embraces new ideas and ambitious efforts for devising and implementing efficient, low-carbon, and low-cost technologies for our everyday life. Renewable energy sources are increasingly gaining attention for being zero/low carbon and being replenished easily. However, many endeavors still need to be undertak...
Cover Page
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Dear Colleagues, Considering the problem of drinking water scarcity in the world and the problems of ‎fossil energy such as its pollution and non-renewability, as well as the preference for dispersed ‎freshwater production instead of concentrated production, the design of a desalination system ‎that is integrated with renewable energies is critica...
Article
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The optimal scheduling problem of integrated energy system (IES) has the characteristics of high-dimensional nonlinearity. Using the traditional Grey Wolf Optimizer (GWO) to solve the problem, it is easy to fall into a local optimum in the process of optimization, resulting in a low-quality scheduling scheme. Aiming at the dispatchability of electr...
Article
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To extract strong correlations between different energy loads and improve the interpretability and accuracy for load forecasting of a regional integrated energy system (RIES), an explainable framework for load forecasting of an RIES is proposed. This includes the load forecasting model of RIES and its interpretation. A coupled feature extracting st...
Article
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This study evaluates optimum performance and determines the parameters of the solar water heating system (SWHS) of Erbil climate condition. The proposed SWHS is demonstrated through the efficiency of the flat plate solar collector, the capacity of the storage tank, the useful heat gains from the solar collectors, the outlet temperature of the solar...
Article
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For the distance protection applied in converter-interfaced renewable energy systems, various AC fault ride-through strategies of converter-interfaced sources will cause a large phase difference between the operating current of the distance relay and the fault current, resulting in the mal-operation of the distance relay. To overcome this issue, th...
Preprint
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In 2021, the construction of a new gas pipeline from Norway to Poland through Denmark began. It will be the first connection of Scandinavian countries with Central-Eastern European countries. The Baltic Pipe gas pipeline is very important for Poland, which is gradually reducing its dependence on Russian gas supplies and strives to expand the energy...
Poster
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A second call for papers for possible communication in the International Conference on Artificial Intelligence in Renewable Energetic Systems, and possible publication in an e-Book entitled'' Advanced Computational Techniques for Renewable Energy Systems. Published by International Springer Publishers. The conference will be held on 20-22 November...
Article
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This Special Issue aims to publish high-quality research papers on the inter-disciplinary field of microgrid optimisation under uncertainty, and targets new probabilistic methods (i.e., scalable computational solutions) for managing microgrid energy management systems (EMS), from long-term planning to real-time operation, with the introduction of a...
Article
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Photovoltaic systems, one of the major renewable energy systems (RESs), are getting integrated into conventional power grids in large-scale, substituting synchronous generators. However, PV systems lack inertia inherently and cannot provide any reserve power. Consequently, large-scale PV integrated grid faces severe frequency instability problems f...
Article
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Selection of the best component arrangement and sizing measurement for hybrid energy systems (HES) is vital to provide a reliable, consistent, and cost-effective energy supply. This study investigates a techno-economic feasibility analysis of stand-alone HES on Western side of Pelee Island, Canada, whose load is 2426 kWh/day. Several hybridization...
Article
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This paper presents a multi-objective method of analysing the energy efficiency associated with upper class houses in Gated Communities in Arid Zones. The application of building energy regulations has an impact on improving energy efficiency. Energy codes identify the effective techniques that could help in achieving energy efficiency on the build...
Article
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Ghana's prevailing power issues have incited the government's interest in integrating renewable energy sources into the country's present energy mix for sustainable energy supply and to minimise carbon emissions. Hybridising renewable energy resources has recently gained attention due to the intermittent nature of some resources. The objective of t...
Article
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Technological advancements have made intelligent monitoring devices such as integrated circuits and wireless communications smaller, lighter, and more energy-efficient. When combined with WBAN (Wireless Body Area Network), these devices can be connected seamlessly with Smart Grid and Renewable Energy Systems. Devices of this type are compact and in...
Article
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This research study evaluates the use of a supercapacitor module as a fast-response energy storage unit to improve energy self-consumption and self-sufficiency for renewable energy systems applications. The designed system consists of the photovoltaic component with 3.0 kWp capacity combined with (0–5) supercapacitor module with a capacity of 500F-...
Article
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In the development of climate-friendly energy system transformation strategies it is often ignored that environmental protection encompasses more than climate protection alone. There is therefore a risk of developing transformation strategies whose climate friendliness comes at the expense of higher other environmental impacts. Consequently, an ass...
Article
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According to the European Commission’s 2050 Climate Strategy, renewable electricity is the most important driver for decarbonising the energy system. The intermittent nature of wind and solar creates a demand for dispatchable electricity production that can contribute to a stable and steady supply all year. This supply can be provided, for example,...
Article
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The inevitable non-uniform temperature distribution across a large number of thermoelectric modules can cause reduced output power of the automotive exhaust thermoelectric generator (AETEG). In order to achieve accurate tracking of maximum power point for an AETEG, a distributed thermo-electric energy recovery system is proposed consisting of sever...
Article
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The IPCC 1.5 °C report highlights the need to reduce UK carbon emissions by 80% 2050, and so it is essential to examine the routes that could be taken to achieve this goal. Replacement of traditional boiler systems with heat pumps (using electricity from clean sources) in residences may aid decarbonization of the energy sector. However, typical LV...
Article
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This paper presents an integrated generation and transmission expansion planning (G&TEP) model embedding with energy storage systems (ESSs) to reduce G&TEP projects' cost, enhance power system's reliability, decrease carbon emission, and increase the penetration of renewable energy systems. ESSs are a key component of modern power grids for their a...
Article
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The operation of a community energy storage system (CESS) is challenging due to the volatility of photovoltaic distributed generation, electricity consumption, and energy prices. Selecting the optimal CESS setpoints during the day is a sequential decision problem under uncertainty, which can be solved using dynamic learning methods. This paper prop...
Article
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The difficulty in balancing energy supply and demand is increasing due to the growth of diversified and flexible building energy resources, particularly the rapid development of intermittent renewable energy being added into the power grid. The accuracy of building energy consumption prediction is of top priority for the electricity market manageme...
Article
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The selection of an appropriate dispatch strategy is considered as a major concern when designing hybrid energy system (HES) since it has large effects on the stability, reliability, environmental and economic performance of the system. The cycle charging (CC) strategy is a default dispatch strategy in HOMER software. However, the main drawback of...
Article
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The transition to a renewable energy system challenges power grid operation and stability. Secondary control is key in restoring the power system to its reference following a disturbance. Underestimating the necessary control capacity may require emergency measures, such that a solid understanding of its predictability and driving factors is needed...
Article
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The residential area represents a sector that consumes more electricity especially with the rapid urban growth and the transition towards the automation and electrification of several daily activities of human beings, namely: urban mobility and the residents’ indoor comfort. As a result, meeting this increased demand requires a proportional rise in...
Article
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Hybrid renewable energy (HRE) sources have become a popular alternative in isolated and rural locations; because of the increased prices of fossil fuels and their CO2 emissions. This paper investigates the application of recent optimization methods to dedicate the optimal configuration of HRE sources. These HRE sources comprise photovoltaic (PV) pa...
Article
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As one promising high-efficiency equipment, flat-plate heat pipes show an important influence on the thermal management of energy systems. This research experimentally investigates the effects of working fluids (acetone, ethanol, and 1.0 wt% Al2O3 water-based nanofluid), liquid filling ratios (30%, 45%, 60%, and 80%), and inclination angles (0°, 30...
Article
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When it comes to dealing with power outages, hybrid grid-connected systems seem like a promising option, especially for underdeveloped nations. For supplying power during periods of unpredictability, a PV/battery system connected to the grid is considered in this study. Batteries were used as a backup system to compensate for main grid outages in t...
Article
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The management of integrated energy systems in buildings is a challenging task that classical control approaches usually fail to address. The present paper analyzes the effect of the implementation of a reinforcement learning-based control strategy in an office building characterized by integrated energy systems with on-site electricity generation...
Research
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Providing reliable, safe, and affordable energy to support human activities is a significant challenge now and in the future. With the growing global population and increase industrialization in developing nations, need for energy of humanity has reached record levels. Significant amount of energy comes from fossil fuels to drive our cars, fuel our...
Article
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The electrification of heating, cooling, and transportation to reach decarbonization targets calls for a rapid expansion of renewable technologies. Due to their decentral and intermittent nature, these technologies require robust planning that considers non-technical constraints and flexibility options to be integrated effectively. Energy system mo...
Poster
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Due to decreasing fossil resources and environmental friendliness, innovative methods in renewable energy generation and utilization are rapidly becoming attractive. Electrical drives and power electronics are one of the most critical components of modern applications of renewable energy systems. The robustness of machines and the increased efficie...
Article
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Energy system modeling has a central role in assessing the future energy system and helping policy makers to set targets and subsidizing mechanisms. In the years, different energy system models have been developed with the aim of supporting political decision-makers in the design of energy policies. It is relevant to compare and cross-validate thes...
Article
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Most of the power-to-heat and thermal energy storage technologies are mature and impact the European energy transition. However, detailed models of these technologies are usually very complex, making it challenging to implement them in large-scale energy models, where simplicity, e.g., linearity and appropriate accuracy, are desirable due to comput...
Article
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Photocatalytic reforming of biomass has emerged as an area of significant interest within the last decade. The number of papers published in the literature has been steadily increasing with keywords such as ‘hydrogen’ and ‘visible’ becoming prominent research topics. There are likely two primary drivers behind this, the first of which is that bioma...
Article
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Hydropower has a key role to play in achieving carbon neutrality targets. However, the rapid development of hydropower plants and the slowdown in the growth of electricity demand can easily cause imbalances in the energy system. Therefore, this study explores the possibility of achieving deep decarbonization by 2030 in a region which has a high ins...
Article
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In addition to the tremendous loss of life due to coronavirus disease 2019 (COVID-19), the pandemic created challenges for the energy system, as strict confinement measures such as lockdown and social distancing compelled by governments worldwide resulted in a significant reduction in energy demand. In this study, a novel, quantitative and uncomple...
Article
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The specific analysis of a region’s energy needs to model and simulate various types of energy, quantify energy information, and clearly and intuitively reflect the energy situation and energy potential of a region. In this paper, according to the input attributes of various energy load forecasting models, the correlation degree of main control fac...
Article
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Hydropower holds the largest renewable share in global electricity supply and will remain as a key technology for greenhouse gas mitigation in future. Rapid deployment of hydropower projects without storage has created the risks of hydropower generation far exceeding electricity demand in coming years in Nepal. This paper attempts to assess the vol...
Article
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There is increasing scientific evidence of anthropic climate change. The need to shift to more sustainable energy systems is therefore compelling. Individuals are becoming key actors in the energy transition, as producers and sellers of the renewable energy they produce on-site. However, the practice of self-consumption requires to be underpinned b...
Article
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The North Sea Offshore Grid concept has been envisioned as a promising alternative to: 1) ease the integration of offshore wind and onshore energy systems, and 2) increase the cross-border capacity between the North Sea region countries at low cost. In this paper we explore the techno-economic benefits of the North Sea Offshore Grid using two case...
Article
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The utilisation of hydrogen with conventional hydrocarbons offers an excellent opportunity to decarbonise current energy systems without significant hardware upgrades. However, this presents fresh scientific challenges, one of which is the difficulty in effective control of pollutant soot emissions due to complex reaction kinetics of hydrogen enric...
Article
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This paper uses a whole system approach to examine system design and planning strategies that enhance the system value of electrifying heating and identify trade-offs between consumers’ investment and infrastructure requirements for decarbonising heating in buildings. We present a novel integrated model of heat, electricity and gas systems, HEGIT,...
Article
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Battery charging of electric vehicles (EVs) needs to be properly coordinated by electricity producers to maintain the network reliability. In this paper, we propose a robust approach to model the interaction between a large fleet of EV users and utilities in a long-term generation expansion planning problem. In doing so, we employ a robust multi-pe...
Article
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Thermal energy storage (TES) for a cooling plant is a crucial resource for load flexibility. Traditionally, simple, heuristic control approaches, such as the storage priority control which charges TES during the nighttime and discharges during the daytime, have been widely used in practice, and shown reasonable performance in the past benefiting bo...
Article
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We embellish a mixed-integer program that prescribes a set of renewable energy, conventional generation, and storage technologies to procure, along with a corresponding dispatch strategy. Specifically, we add combined heat and power to this set. The model minimizes fixed and operational costs less incentives for the use of various technologies, sub...
Article
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Most individuals in public and private sector offices are uninterested in turning off electronic equipment like fans and lamps while they are not present. For example, most students fail to turn off the fans and lighting in their classrooms, study rooms, residence halls, and so forth. As a result of this attitude, power usage in these places tends...
Article
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Due to the advantages of a self-excited induction generator (SEIG), it plays a main role in sources of renewable energy, such as wind turbines (WT). The regulation of terminal voltage and frequency is poor under variable rotor speed and load conditions at stand-alone operation mode. The generator terminal voltage depends on the excitation capacitan...
Article
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This paper deals with optimal tuning, control and performance evaluation of an inerter-based point absorber (IPA) wave energy converter (WEC), which is a first step towards establishing an integrated offshore wind-wave energy system. An inerter-spring system is introduced into a conventional WEC, which can improve the system performance when proper...
Article
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Although renewable-based energy systems have been increasing and attractive worldwide, the intermittent nature of renewable energy sources cannot cause fossil fuels to be completely removed from the energy systems. So, an attractive approach is to capture produced CO 2 from existing power plants for several purposes for the status quo. One of these...
Research Proposal
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This Special Issue focuses on the use of artificial neural networks in the modeling of non-linear systems and fault diagnosis and their use in renewable energy systems such as wind turbines and photovoltaic panels. Both theoretical and experimental work and, especially, the combination of these are welcome. an Open Access Journal by MDPI
Article
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In the face of global warming, reducing carbon dioxide emissions has become a common concern. Integrated energy system (IES) is considered to be a supporting technology to increase the proportion of clean energy use and achieve goals of carbon emission reduction and carbon neutrality. By introducing carbon neutral costs and demand response into sch...
Preprint
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In recent years, hydrogen-based multi-energy systems (HMESs) have received wide attention. However, existing works on the optimal operation of HMESs neglect building thermal dynamics, which means that the flexibility of thermal loads can not be utilized for reducing system operation cost. In this paper, we investigate an optimal operation problem o...
Conference Paper
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Global need for energy is continuously increasing day by day. This need has promoted increased penetration of renewable energy. Increasing use of renewable energy systems and its technological advancement has led to the emergence of storage as a crucial element in energy management. Intermittent nature of these sources introduces errors in the grid...
Article
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In this paper, an optimization approach is formulated to determine the optimal power split in a proton exchange membrane fuel cell-battery-hybrid energy system (PEMFC-battery-HES) to meet the dynamically varying locomotive power demand. The optimization approach aims to determine the power references for the PEMFC at each loading point of the locom...
Article
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The dynamics of power consumption constitutes an essential building block for planning and operating sustainable energy systems. Whereas variations in the dynamics of renewable energy generation are reasonably well studied, a deeper understanding of the variations in consumption dynamics is still missing. Here, we analyse highly resolved residentia...
Article
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Advanced adiabatic compressed air energy storage (AA-CAES) is a promising form of CAES technology, which can realize multi-energy cascade storage and supply. Given the characteristics of cooling, heating, and power (CHP) load demand of regionally integrated energy system (IES) and the overall need to control the total carbon emission, this study fi...
Article
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Faced with the problem of fossil energy depletion and the power industry’s low-carbon requirements, low-carbon technologies in collaboration with market mechanisms, supplemented by flexible resources, are critical to achieving the low-carbon operation of integrated energy systems (IES). This paper establishes an IES considering multiple types of lo...
Article
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Energy enables the functioning of modern society. However, humanity's reliance on fossil fuels since the industrial revolution has contributed to many societal problems including climate change, environmental degradation and pollution, and the transition to a renewable and carbon-free energy system is one of the grand challenges for the 21st centur...
Article
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Resumo: A geração de energia por meio de fontes renováveis solar e eólica tem papel de destaque, tendo em vista que a energia se constitui em necessidade básica para a toda a sociedade, principalmente, para a área rural ainda carente desse recurso. No Estado do Ceará, a oferta de fontes opcionais de energia, para as comunidades rurais, provém de pr...
Article
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Multilevel inverters (MLIs) have seen significant growth in a variety of medium-to high-power industrial applications and have become a mature and viable solution for renewable energy systems over the past decade. The major concerns of MLIs are the high component count and the buck-type feature of the ac output voltage when used for grid-connected...
Article
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The deployment of wind turbines in a photovoltaic field resulted in a reduced land footprint and CO2 emissions while increasing power production per unit area. When land is limited, the model optimizes the placement of wind turbines in the PV field while accounting for energy losses owing to the shadow produced by wind turbines on PV modules. The t...
Conference Paper
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In alignment with the Paris Agreement, the city of Oxford in the UK aims to become carbon neutral by 2040. Renewable energy help achieve this target by reducing the reliance on carbon-intensive grid electricity. This research seeks to optimally size solar photovoltaic and lithium battery storage systems, reducing Oxford's grid electricity reliance...
Article
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The rapid cost reduction of solar and wind power generation since 2007 has made the transition toward clean energy more feasible for countries working to drastically contain greenhouse gas emissions to meet the targets of the Paris Agreement. While there are still technical challenges of large-scale grid integration, owing to the high cost of energ...
Preprint
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The implementation of energy communities represents a cross-disciplinary phenomenon that has the potential to support the energy transition while fostering citizens' participation throughout the energy system and their exploitation of renewables. An important role is played by online information sources in engaging people in this process and increa...