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Artificial Intelligence for Renewable Energy Systems
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Artificial Intelligence for Renewable Energy Systems

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 32233

Special Issue Editor

Dr. Ekaitz Zulueta

E-Mail Website
Guest Editor
Department of System Engineering and Automatic Control– Engineering College of Vitoria-Gasteiz, University of the Basque Country, Nieves Cano, 12, 01006, Vitoria-Gasteiz, Spain
Interests: Wind Energy; Photovoltaic Energy Control; Energy Harvesters design and Control; Computational Intelligence

Special Issue Information

Dear Colleagues,

This Special Issue focuses on Artificial Intelligence applied to Renewable Energy Systems. The influence of Artificial Intelligence (AI) is rapidly increasing in all Engineering areas, but in particular in Renewable Energy Systems. The main goal of this Special Issue is to show the most relevant advances in AI application on this domain. Nowadays, several interesting intelligent techniques have been developed for Renewable Energy Systems. There are many applications, such as Wind Turbine Control or Photovoltaic Panel and Power Electronics Control, that recent years have achieved a great improvement. Smart grid control and management are also very relevant fields for AI applications. Additionally, Hybrid renewable energy plants (such as wind/PV plants) with battery energy storage systems for providing ancillary services to the electricity grid are also of high interest, since control algorithms are important in order to optimize energy management services and offer different grid control applications. Another important research subject is the time series forecast in renewable energy systems. This is due to their stochastics behavior in many aspects as energy resources, energy consumption, system availability etc. Furthermore, intelligent design and control of Energy Harvester application are also of great interest. The Energy storage control is a key research topic to which the current special issue is devoted. Hydrogen based energy system is another relevant research topic due to its increasing importance as energy vector in Automotive: for example, an outstanding application is the Energy Management Strategy in order to reduce the hydrogen consumption.

Dr. Ekaitz Zulueta
Guest Editor

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Keywords

  • Intelligent techniques applied to Wind Energy
  • Photovoltaic Energy Control
  • Hydrogen related technologies
  • Energy Storage
  • Smart Grid
  • Power Network Control
  • Energy Harvester Design and Control
  • Artificial Intelligence based Design
  • Artificial Neural Networks applied to Energy systems
  • Hybrid renewable energy Plants
  • Battery Energy Storage Systems
  • Forecast in Renewable Energy Systems

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Published Papers (8 papers)

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Research

16 pages, 2505 KiB  
Article
Extended Isolation Forests for Fault Detection in Small Hydroelectric Plants
by Rodrigo Barbosa de Santis and Marcelo Azevedo Costa
Sustainability 2020, 12(16), 6421; https://doi.org/10.3390/su12166421 - 10 Aug 2020
Cited by 39 | Viewed by 3900
Abstract
Maintenance in small hydroelectric plants is fundamental for guaranteeing the expansion of clean energy sources and supplying the energy estimated to be necessary for the coming years. Most fault diagnosis models for hydroelectric generating units, proposed so far, are based on the distance [...] Read more.
Maintenance in small hydroelectric plants is fundamental for guaranteeing the expansion of clean energy sources and supplying the energy estimated to be necessary for the coming years. Most fault diagnosis models for hydroelectric generating units, proposed so far, are based on the distance between the normal operating profile and newly observed values. The extended isolation forest model is a model, based on binary trees, that has been gaining prominence in anomaly detection applications. However, no study so far has reported the application of the algorithm in the context of hydroelectric power generation. We compared this model with the PCA and KICA-PCA models, using one-year operating data in a small hydroelectric plant with time-series anomaly detection metrics. The algorithm showed satisfactory results with less variance than the others; therefore, it is a suitable candidate for online fault detection applications in the sector. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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17 pages, 2801 KiB  
Article
Forecasting Wastewater Temperature Based on Artificial Neural Network (ANN) Technique and Monte Carlo Sensitivity Analysis
by Farzin Golzar, David Nilsson and Viktoria Martin
Sustainability 2020, 12(16), 6386; https://doi.org/10.3390/su12166386 - 7 Aug 2020
Cited by 38 | Viewed by 4575
Abstract
Wastewater contains considerable amounts of thermal energy. Heat recovery from wastewater in buildings could supply cities with an additional source of renewable energy. However, variations in wastewater temperature influence the performance of the wastewater treatment plant. Thus, the treatment is negatively affected by [...] Read more.
Wastewater contains considerable amounts of thermal energy. Heat recovery from wastewater in buildings could supply cities with an additional source of renewable energy. However, variations in wastewater temperature influence the performance of the wastewater treatment plant. Thus, the treatment is negatively affected by heat recovery upstream of the plant. Therefore, it is necessary to develop more accurate models of the wastewater temperature variations. In this work, a computational model based on artificial neural network (ANN) is proposed to calculate wastewater treatment plant influent temperature concerning ambient temperature, building effluent temperature and flowrate, stormwater flowrate, infiltration flowrate, the hour of day, and the day of year. Historical data related to the Stockholm wastewater system are implemented in MATLAB software to drive the model. The comparison of calculated and observed data indicated a negligible error. The main advantage of this ANN model is that it only uses historical data commonly recorded, without any requirements of field measurements for intricate heat transfer models. Moreover, Monte Carlo sensitivity analysis determined the most influential parameters during different seasons of the year. Finally, it was shown that installing heat exchangers in 40% of buildings would reduce 203 GWh year−1 heat loss in the sewage network. However, heat demand in WWTP would be increased by 0.71 GWh year−1, and the district heating company would recover 176 GWh year−1 less heat from treated water. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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19 pages, 6750 KiB  
Article
Experimental Air Impingement Crossflow Comparison and Theoretical Application to Photovoltaic Efficiency Improvement
by Pablo Martínez-Filgueira, Ekaitz Zulueta, Ander Sánchez-Chica, Gustavo García, Unai Fernandez-Gamiz and Josu Soriano
Sustainability 2020, 12(14), 5577; https://doi.org/10.3390/su12145577 - 10 Jul 2020
Cited by 5 | Viewed by 2929
Abstract
The photovoltaic cell temperature is a key factor in solar energy harvesting. Solar radiation raises temperature on the cell, lowering its peak efficiency. Air jet impingement is a high heat transfer rate system and has been previously used to cool the back surface [...] Read more.
The photovoltaic cell temperature is a key factor in solar energy harvesting. Solar radiation raises temperature on the cell, lowering its peak efficiency. Air jet impingement is a high heat transfer rate system and has been previously used to cool the back surface of photovoltaic modules and cells. In this work, an experimental comparison of the cooling performance of two different air jet impingement crossflow schemes was performed. Crossflow is defined as the air mass interacting with a certain jet modifying its movement. This leads to a change in its heat exchange capabilities and is related with the inlet-outlet arrangement of the fluid. In this work, zero and minimum crossflow schemes were compared. The main contribution of this work considered the consumption of the flow supplying devices to determine the most suitable system. The best configuration increased the net power output of the cell by 6.60%. These results show that air impingement cooling can play a role in increasing photovoltaic profitability. In terms of uniformity, on small impingement plates with a low number of nozzles, the advantages expected from the zero crossflow configuration did not stand out. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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18 pages, 3596 KiB  
Article
Forecast Error Sensitivity Analysis for Bidding in Electricity Markets with a Hybrid Renewable Plant Using a Battery Energy Storage System
by Jon Martinez-Rico, Ekaitz Zulueta, Unai Fernandez-Gamiz, Ismael Ruiz de Argandoña and Mikel Armendia
Sustainability 2020, 12(9), 3577; https://doi.org/10.3390/su12093577 - 28 Apr 2020
Cited by 12 | Viewed by 2998
Abstract
Deep integration of renewable energies into the electricity grid is restricted by the problems related to their intermittent and uncertain nature. These problems affect both system operators and renewable power plant owners since, due to the electricity market rules, plants need to report [...] Read more.
Deep integration of renewable energies into the electricity grid is restricted by the problems related to their intermittent and uncertain nature. These problems affect both system operators and renewable power plant owners since, due to the electricity market rules, plants need to report their production some hours in advance and are, hence, exposed to possible penalties associated with unfulfillment of energy production. In this context, energy storage systems appear as a promising solution to reduce the stochastic nature of renewable sources. Furthermore, batteries can also be used for performing energy arbitrage, which consists in shifting energy and selling it at higher price hours. In this paper, a bidding optimization algorithm is used for enhancing profitability and minimizing the battery loss of value. The algorithm considers the participation in both day-ahead and intraday markets, and a sensitivity analysis is conducted to check the profitability variation related to prediction uncertainty. The obtained results highlight the importance of bidding in intraday markets to compensate the prediction errors and show that, for the Iberian Electricity Market, the uncertainty does not significantly affect the final benefits. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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23 pages, 427 KiB  
Article
An Innovative Home Energy Management Model with Coordination among Appliances using Game Theory
by Aqib Jamil, Turki Ali Alghamdi, Zahoor Ali Khan, Sakeena Javaid, Abdul Haseeb, Zahid Wadud and Nadeem Javaid
Sustainability 2019, 11(22), 6287; https://doi.org/10.3390/su11226287 - 8 Nov 2019
Cited by 30 | Viewed by 3723
Abstract
The feature of bidirectional communication in a smart grid involves the interaction between consumer and utility for optimizing the energy consumption of the users. For optimal management of the energy at the end user, several demand side management techniques are implemented. This work [...] Read more.
The feature of bidirectional communication in a smart grid involves the interaction between consumer and utility for optimizing the energy consumption of the users. For optimal management of the energy at the end user, several demand side management techniques are implemented. This work proposes a home energy management system, where consumption of household appliances is optimized using a hybrid technique. This technique is developed from cuckoo search algorithm and earthworm algorithm. However, there is a problem in such home energy management systems, that is, an uncertain behavior of the user that can lead to force start or stop of an appliance, deteriorating the purpose of scheduling of appliances. In order to solve this issue, coordination among appliances for rescheduling is incorporated in home energy management system using game theory. The appliances of the home are categorized in three different groups and their electricity cost is computed through the real-time pricing signals. Optimization schemes are implemented and their performance is scrutinized with and without coordination among the appliances. Simulation outcomes display that our proposed technique has minimized the total electricity cost by 50.6% as compared to unscheduled cost. Moreover, coordination among appliances has helped in increasing the user comfort by reducing the waiting time of appliances. The Shapley value has outperformed the Nash equilibrium and zero sum by achieving the maximum reduction in waiting time of appliances. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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18 pages, 4393 KiB  
Article
The Prediction Model of Characteristics for Wind Turbines Based on Meteorological Properties Using Neural Network Swarm Intelligence
by Tugce Demirdelen, Pırıl Tekin, Inayet Ozge Aksu and Firat Ekinci
Sustainability 2019, 11(17), 4803; https://doi.org/10.3390/su11174803 - 3 Sep 2019
Cited by 8 | Viewed by 3334
Abstract
In order to produce more efficient, sustainable-clean energy, accurate prediction of wind turbine design parameters provide to work the system efficiency at the maximum level. For this purpose, this paper appears with the aim of obtaining the optimum prediction of the turbine parameter [...] Read more.
In order to produce more efficient, sustainable-clean energy, accurate prediction of wind turbine design parameters provide to work the system efficiency at the maximum level. For this purpose, this paper appears with the aim of obtaining the optimum prediction of the turbine parameter efficiently. Firstly, the motivation to achieve an accurate wind turbine design is presented with the analysis of three different models based on artificial neural networks comparatively given for maximum energy production. It is followed by the implementation of wind turbine model and hybrid models developed by using both neural network and optimization models. In this study, the ANN-FA hybrid structure model is firstly used and also ANN coefficients are trained by FA to give a new approach in literature for wind turbine parameters’ estimation. The main contribution of this paper is that seven important wind turbine parameters are predicted. Aiming to fill the mentioned research gap, this paper outlines combined forecasting turbine design approaches and presents wind turbine performance in detail. Furthermore, the present study also points out the possible further research directions of combined techniques so as to help researchers in the field develop more effective wind turbine design according to geographical conditions. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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25 pages, 4363 KiB  
Article
A Novel on Transmission Line Tower Big Data Analysis Model Using Altered K-means and ADQL
by Se-Hoon Jung and Jun-Ho Huh
Sustainability 2019, 11(13), 3499; https://doi.org/10.3390/su11133499 - 26 Jun 2019
Cited by 14 | Viewed by 3649
Abstract
This study sought to propose a big data analysis and prediction model for transmission line tower outliers to assess when something is wrong with transmission line tower big data based on deep reinforcement learning. The model enables choosing automatic cluster K values based [...] Read more.
This study sought to propose a big data analysis and prediction model for transmission line tower outliers to assess when something is wrong with transmission line tower big data based on deep reinforcement learning. The model enables choosing automatic cluster K values based on non-labeled sensor big data. It also allows measuring the distance of action between data inside a cluster with the Q-value representing network output in the altered transmission line tower big data clustering algorithm containing transmission line tower outliers and old Deep Q Network. Specifically, this study performed principal component analysis to categorize transmission line tower data and proposed an automatic initial central point approach through standard normal distribution. It also proposed the A-Deep Q-Learning algorithm altered from the deep Q-Learning algorithm to explore policies based on the experiences of clustered data learning. It can be used to perform transmission line tower outlier data learning based on the distance of data within a cluster. The performance evaluation results show that the proposed model recorded an approximately 2.29%~4.19% higher prediction rate and around 0.8% ~ 4.3% higher accuracy rate compared to the old transmission line tower big data analysis model. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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17 pages, 2187 KiB  
Article
A Method for Rockburst Prediction in the Deep Tunnels of Hydropower Stations Based on the Monitored Microseismicity and an Optimized Probabilistic Neural Network Model
by Guangliang Feng, Guoqing Xia, Bingrui Chen, Yaxun Xiao and Ruichen Zhou
Sustainability 2019, 11(11), 3212; https://doi.org/10.3390/su11113212 - 10 Jun 2019
Cited by 48 | Viewed by 3783
Abstract
Hydropower is one of the most important renewable energy sources. However, the safe construction of hydropower stations is seriously affected by disasters like rockburst, which, in turn, restricts the sustainable development of hydropower energy. In this paper, a method for rockburst prediction in [...] Read more.
Hydropower is one of the most important renewable energy sources. However, the safe construction of hydropower stations is seriously affected by disasters like rockburst, which, in turn, restricts the sustainable development of hydropower energy. In this paper, a method for rockburst prediction in the deep tunnels of hydropower stations based on the use of real-time microseismic (MS) monitoring information and an optimized probabilistic neural network (PNN) model is proposed. The model consists of the mean impact value algorithm (MIVA), the modified firefly algorithm (MFA), and PNN (MIVA-MFA-PNN model). The MIVA is used to reduce the interference from redundant information in the multiple MS parameters in the input layer of the PNN. The MFA is used to optimize the parameter smoothing factor in the PNN and reduce the error caused by artificial determination. Three improvements are made in the MFA compared to the standard firefly algorithm. The proposed rockburst prediction method is tested by 93 rockburst cases with different intensities that occurred in parts of the deep diversion and drainage tunnels of the Jinping II hydropower station, China (with a maximum depth of 2525 m). The results show that the rates of correct rockburst prediction of the test samples and learning samples are 100% and 86.75%, respectively. However, when a common PNN model combined with monitored microseismicity is used, the related rates are only 80.0% and 61.45%, respectively. The proposed method can provide a reference for rockburst prediction in MS monitored deep tunnels of hydropower projects. Full article
(This article belongs to the Special Issue Artificial Intelligence for Renewable Energy Systems)
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