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My PV tool: A Matlab-based tool to study the series and shunt resistances in photovoltaic modules My PV工具:一个基于matlab的工具，用于研究光伏组件中的串联和并联电阻
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-09-29 DOI: 10.1109/REDEC.2016.7577550
M. Arnaout, Wassim Salameh, A. Assi, K. Chahine
{"title":"My PV tool: A Matlab-based tool to study the series and shunt resistances in photovoltaic modules","authors":"M. Arnaout, Wassim Salameh, A. Assi, K. Chahine","doi":"10.1109/REDEC.2016.7577550","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577550","url":null,"abstract":"A tool, “MY PV TOOL”, has been developed in this work to study the behavior of series and shunt resistances in PV modules. Experimental as well as theoretical equations have been used to determine the series and shunt resistances for a given commercial PV module.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"648 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132961751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effects of pH, temperature and agitation on biogas production under mesophilic regime pH、温度和搅拌对中温环境下沼气产量的影响
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577510
Amine Hajji, M. Rhachi, M. Garoum, N. Laaroussi
{"title":"The effects of pH, temperature and agitation on biogas production under mesophilic regime","authors":"Amine Hajji, M. Rhachi, M. Garoum, N. Laaroussi","doi":"10.1109/REDEC.2016.7577510","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577510","url":null,"abstract":"Currently, Morocco gives a high priority to the development of renewable energies, including biogas, resulting from anaerobic digestion, it presents a promising sector for the energy future of the country. With all of its donations energy and environmental, this process remains little exploited to date, which is due in large part to the non-mastery of this technology. The objective of this work is the optimization of the operating conditions of the process, and more specifically the study of the influence of pH, temperature and the agitation on biogas production. With this intention, it was carried out a series of experiments which relates to the variation in the temperature and the mode of agitation. For the of agitation mode, we opted for two types, continuous and without agitation, as for the temperature we chose values between 37, 39 and 40°C. For all experiments, the fermentation has been carried with a retention time fixed at 21 days, by applying a physical pretreatment to the substrate, for reduce the particle size to 10mm. The results showed a high correlation between temperature and the production of biogas, with an improvement in the amount of biogas produced, recorded for temperature of digestion of 40 °C with agitation.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117047352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Implementation challenges of automatic demand response for households in smart grids 智能电网家庭自动需求响应的实施挑战
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577546
A. Yassine
{"title":"Implementation challenges of automatic demand response for households in smart grids","authors":"A. Yassine","doi":"10.1109/REDEC.2016.7577546","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577546","url":null,"abstract":"Utilities rely on Demand response (DR) systems to balance the supply and demand in the power grid. Traditionally, DR systems are utilized by commercial customers since they consume a great deal of power during peak times. With the introduction of Open Automatic Demand Response (OpenADR), DR systems are increasingly becoming available to households. However, there are many obstacles that hinder the wide adoption of automatic demand response systems in the residential sector. In this paper, we focus on OpenADR implementation challenges in households and discuss technical and non-technical issues related to effectiveness, security, privacy, and scalability properties that must be considered when implementing automatic demand response (ADR) systems in households.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126678420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Renewable energy resources and recovery opportunities in wastewater treatment plants 污水处理厂的可再生能源和回收机会
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577509
W. Ghoneim, A. Helal, M. A. Abdel Wahab
{"title":"Renewable energy resources and recovery opportunities in wastewater treatment plants","authors":"W. Ghoneim, A. Helal, M. A. Abdel Wahab","doi":"10.1109/REDEC.2016.7577509","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577509","url":null,"abstract":"This paper shows the different methodologies for energy recovery and renewable energy utilization techniques in Wastewater treatment plants which are one of the largest consumable of electric power. Technologies discussed in this paper will help a lot of developing countries like Egypt-which suffers from the lack of energy resources-to save energy. This process contains embedded energy resources that could be recovered and reduce the energy requirements of such plants, for example biogas generation through anaerobic digestion with the possibility of applying the Combined Heat and Power (CHP) technologies or biosolids thermal conversion. Also the raw water specific heat itself could be used for heating or cooling. To reach self-sustainability the plant can get the rest of its energy demand through conventional renewable resources such as solar, wind, hydro and tidal power.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"192 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126896142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Voltage stability based on the implementation of a coordinate secondary voltage control system 基于电压稳定实现了一种坐标二次电压控制系统
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577547
Nivine Abou Daher, I. Mougharbel, M. Saad, H. Kanaan
{"title":"Voltage stability based on the implementation of a coordinate secondary voltage control system","authors":"Nivine Abou Daher, I. Mougharbel, M. Saad, H. Kanaan","doi":"10.1109/REDEC.2016.7577547","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577547","url":null,"abstract":"Due to demand increasing, most of power networks operate close to their stability limits. The high demand and the reduction of non-renewable energy sources impose the insertion of renewable energy sources. Their non-supervised insertion can cause voltage instability. In order to avoid this instability, a coordinated secondary voltage control system (CSVC) should be implemented. This paper describes the proposed procedure of CSVC system implementation. It is composed by three steps. The first step is the power network partitioning based on Self Organizing Map algorithm, the second one is the pilot buses selection based on the reduced Jacobian matrix and on voltage security performance index, and the third one is the CSVC system implementation based on the hybrid control approach using generators and shunt elements. These three steps are described in details in this paper. This procedure is used to maintain the voltage stability of large network. In this paper its efficiency is validated for small network also. Therefore it is implemented on the IEEE 39 bus system.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125988108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Different mathematical models of convection during phase change 相变过程中对流的不同数学模型
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577543
Farah Souayfane, F. Fardoun, P. Biwole
{"title":"Different mathematical models of convection during phase change","authors":"Farah Souayfane, F. Fardoun, P. Biwole","doi":"10.1109/REDEC.2016.7577543","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577543","url":null,"abstract":"The aim of this paper is to comprehensively study the mathematical modeling applied for phase change taking into consideration the convection in liquid state during melting. Different methods used to model the phase change with convective motion of liquid phase are discussed. First, models based on CFD (computational fluid dynamics) are presented; the solution of Navier-Stokes equations determines the effect of convection in a Newtonian fluid. Secondly, simplified methods are presented, where the convection in the liquid phase change material (PCM) is modeled without the need of the full solution of Navier-Stokes equations. It is clear that the methods based on CFD models are more accurate and express the realistic behavior of the convection effect; however their computational time is very long compared to simplified one.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130724325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Improvement of thermal parameters of building materials based on clay 基于粘土的建筑材料热参数的改进
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577511
A. Dadi Mahamat, B. M. Y. Khayal, C. A. Charfadine, D. M. Soultan, E. Menguy, F. Gaye
{"title":"Improvement of thermal parameters of building materials based on clay","authors":"A. Dadi Mahamat, B. M. Y. Khayal, C. A. Charfadine, D. M. Soultan, E. Menguy, F. Gaye","doi":"10.1109/REDEC.2016.7577511","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577511","url":null,"abstract":"This study aims to develop the local building materials based on clay by mixing them with natural additives such as cow dung, pod of millet and palm's leaves. Baking these clay bricks burn the adjuvants and contribute to obtain porous composite materials with lightweight and hardness increased. We used the “boxes method” for performing thermal testing on the samples of clay bricks in crude and baked state. The results of thermal tests showed interesting thermal characteristics. Indeed, the heat resistance increases with the addition of adjuvants and baking. Moreover, it decreases according to the water content. The comparison with cement mortar shows that more than 49% energy saving is observed on a house built with these materials.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"1995 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115345264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A detailed review on the parameters to be considered for an accurate estimation on the Plug-in Electric Vehicle's final State of Charge 详细回顾了准确估计插电式电动汽车最终充电状态所需考虑的参数
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577540
C. El‐Bayeh, I. Mougharbel, M. Saad, A. Chandra, S. Lefebvre, D. Asber, L. Lenoir
{"title":"A detailed review on the parameters to be considered for an accurate estimation on the Plug-in Electric Vehicle's final State of Charge","authors":"C. El‐Bayeh, I. Mougharbel, M. Saad, A. Chandra, S. Lefebvre, D. Asber, L. Lenoir","doi":"10.1109/REDEC.2016.7577540","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577540","url":null,"abstract":"Based on existing studies to estimate Batteries State of Charge (SOC), many published papers have suggested numeric models to express the relationship between the SOC of a battery in Plug-in Electric Vehicle (PEV) and the vehicle travelled distance. Knowing the battery SOC and based on these relations, other studies concentrated on the prediction of the distance range travelled by a PEV. Reversible linear approaches study the prediction of the SOC knowing the travelled distance or vise-versa. Other more realistic non-linear and not reversible models are published involving more parameters like losses in the battery or not homogeneous trajectories. Based on a wide review of the parameters considered in these models, this paper present a more realistic and accurate one for the SOC prediction. A comparative study with existing models could be easily deduced from this paper in order to show how much the accuracy is improved by considering more parameters.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115381478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Flux estimation algorithms for electric drives: A comparative study 电力传动的磁链估计算法:比较研究
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577558
M. Koteich
{"title":"Flux estimation algorithms for electric drives: A comparative study","authors":"M. Koteich","doi":"10.1109/REDEC.2016.7577558","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577558","url":null,"abstract":"This paper reviews the stator flux estimation algorithms applied to the alternating current motor drives. The so-called voltage model estimation, which consists of integrating the back-electromotive force signal, is addressed. However, in practice, the pure integration is prone to drift problems due to noises, measurement error, stator resistance uncertainty and unknown initial conditions. This limitation becomes more restrictive at low speed operation. Several solutions, reported in the literature, are reviewed and compared. Emphasis is placed on the low-pass filter based algorithms that show good performance in steady-state as well as in transient operating conditions.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124363493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Improving energy efficiency of buildings by using a light concrete based on Typha australis 通过使用以南台风为基础的轻质混凝土来提高建筑物的能源效率
2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2016-07-13 DOI: 10.1109/REDEC.2016.7577512
Azibert Oumar Abdelhakh, A. M. Saleh, M. Soultan, D. Sow, G. Menguy, S. Gaye
{"title":"Improving energy efficiency of buildings by using a light concrete based on Typha australis","authors":"Azibert Oumar Abdelhakh, A. M. Saleh, M. Soultan, D. Sow, G. Menguy, S. Gaye","doi":"10.1109/REDEC.2016.7577512","DOIUrl":"https://doi.org/10.1109/REDEC.2016.7577512","url":null,"abstract":"This article report to the valorization of Typha australis, which is an aquatic and invasive plant, by its integration in the habitat. For that, we made an experimental study of mechanical and thermal characterization of concrete of typha. We analyzed the effect of the percentage of typha aggregates on mechanical and thermal properties of concrete. The obtained results show that the incorporation of typha aggregates in the concrete decreases its density and mechanical strength, and increases its thermal resistance. Therefore, the integration of concrete of typha in the habitat reduce the thermal load of the building which will be more energy efficient.","PeriodicalId":158844,"journal":{"name":"2016 3rd International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126878126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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