2016 7th International Renewable Energy Congress (IREC)最新文献

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Three to six-phase direct matrix converters 三到六相直接矩阵变换器
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478863
K. Omrani, M. A. Dami, M. Jemli
{"title":"Three to six-phase direct matrix converters","authors":"K. Omrani, M. A. Dami, M. Jemli","doi":"10.1109/IREC.2016.7478863","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478863","url":null,"abstract":"This paper proposes a control technique for a matrix converter topology with three phase fixed grid input and six-phase variable voltage variable frequency output. This proposed technique is based on low frequency Venturini method. A theoretical introduction of the direct matrix converter is presented followed a detailed explanation of the Venturini method and the six-phase matrix converter topology. Finally, a detailed discussion of results is presented (showing the attractive characteristics of the matrix converter), obtained from different simulations using MATLAB/SIMPOWERSYSTEM environment.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132130470","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
Dry reforming of methane over NixMg6−xAl1.8La0.2 catalysts NixMg6−xAl1.8La0.2催化剂上甲烷的干重整
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478874
Eliane Dahdah, Jihane Abou Rached, Jane Estephane, S. Aouad, C. Gennequin, A. Aboukais, E. Abi-aad
{"title":"Dry reforming of methane over NixMg6−xAl1.8La0.2 catalysts","authors":"Eliane Dahdah, Jihane Abou Rached, Jane Estephane, S. Aouad, C. Gennequin, A. Aboukais, E. Abi-aad","doi":"10.1109/IREC.2016.7478874","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478874","url":null,"abstract":"Two Ni<sub>x</sub>Mg<sub>6-x</sub>Al<sub>1.8</sub>La<sub>0.2</sub> (x=0,2) catalysts were synthesized via hydrotalcite route and calcined at 800°C. For comparison, a second Ni<sub>x</sub>Mg<sub>6-x</sub>Al<sub>1.8</sub>La<sub>0.2</sub>(x=2) was also prepared via hydrotalcite route but with hydrothermal treatment to evaluate the difference between conventional preparation and preparation with hydrothermal treatment. Physico-chemical characterizations were conducted before and after calcination. These characterization techniques included X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and Temperature Programmed Reduction (TPR). The catalytic performance of these catalysts was also tested in the Dry Reforming of Methane (DRM). Catalytic test results of the more efficient catalyst were compared to the results of a similar NixMg<sub>6-x</sub>Al<sub>2</sub> catalyst such as to evaluate the role of lanthanum doping and its impact on the catalytic activity of the catalysts. It was found that the addition of lanthanum resulted in improved catalytic activity in the DRM reaction. This improvement can be attributed to the formation of more basic sites and the presence of La<sub>2</sub>O<sub>3</sub> after calcination which reduces coke formation.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125840495","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
Fuzzy logic controller of temperature and humidity inside an agricultural greenhouse 农业大棚温湿度模糊控制器
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478929
Rim Ben Ali, E. Aridhi, M. Abbes, A. Mami
{"title":"Fuzzy logic controller of temperature and humidity inside an agricultural greenhouse","authors":"Rim Ben Ali, E. Aridhi, M. Abbes, A. Mami","doi":"10.1109/IREC.2016.7478929","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478929","url":null,"abstract":"In this paper, a fuzzy logic controller is developed in order to control the inside temperature and relative humidity inside an agricultural greenhouse. First, a thermal dynamic model was developed to describe the greenhouse environment and to predict the inside temperature and relative humidity. The agricultural greenhouse was modeled using Matlab-Simulink environment. The simulation results showed the effectiveness of the controller to achieve a favorable inside climate.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126156961","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: 23
Voltage control strategies affecting maximum power generation of photovoltaic generation in distribution network 影响配电网光伏发电最大功率的电压控制策略
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478899
Huiting Xu, Jiang Xie, Xiaoxing Zheng, Wenxia Liu, Xuwen Han
{"title":"Voltage control strategies affecting maximum power generation of photovoltaic generation in distribution network","authors":"Huiting Xu, Jiang Xie, Xiaoxing Zheng, Wenxia Liu, Xuwen Han","doi":"10.1109/IREC.2016.7478899","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478899","url":null,"abstract":"With the rich in resources of solar energy and rapidly development of the new energy resources-based generation, the maximization of photovoltaic (PV) generation consumption has been paid much attention to. High voltage problem is one of the major limits to high penetration of PV station connected to power grid. Several voltage control strategies are proposed to improve voltage profile. An optimization method is proposed for computing the maximum penetration level of PV, taking active voltage regulation into account. Computer simulations have been performed on a 33-nodes distribution system to demonstrate the effectiveness of the proposed voltage control schemes at different operating conditions in increasing the maximum power generation of PV.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130320235","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
Fuzzy Logic Management Supervisor for Wind-Diesel-Battery Hybrid energy System 风能-柴油-电池混合能源系统模糊逻辑管理主管
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478947
D. Saheb-Koussa, S. Bellarbi, M. Koussa, A. Boufertella
{"title":"Fuzzy Logic Management Supervisor for Wind-Diesel-Battery Hybrid energy System","authors":"D. Saheb-Koussa, S. Bellarbi, M. Koussa, A. Boufertella","doi":"10.1109/IREC.2016.7478947","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478947","url":null,"abstract":"In this paper an operational control technique, based on using the Fuzzy Logic Energy Management Supervisor (FLEMS) is developed and applied to a proposed Wind-Diesel-Battery Hybrid System (WDBHS). The proposed system is modeled and simulated using MATLAB SIMULINK and FUZZY toolbox. The FLEMC is designed to work simultaneously with the commonly used ON-OFF controller, for optimizing the operation of the WDBHS under different wind speed. The proposed Fuzzy Logic Energy Management Controller (FLEMC) is proposed to supervise the input power and load demand continuously and to optimize the battery and diesel operation at various situations. The obtained results showed the great capability of the FLEMC in controlling the system.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"40 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127405787","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: 5
Photovoltaic energy impact on grid's distribution line voltage for different load levels 不同负荷水平下光伏能量对电网配电网电压的影响
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478898
Amal Jenni, J. Belhadj, Mongi Chammakhi, R. Dakhli
{"title":"Photovoltaic energy impact on grid's distribution line voltage for different load levels","authors":"Amal Jenni, J. Belhadj, Mongi Chammakhi, R. Dakhli","doi":"10.1109/IREC.2016.7478898","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478898","url":null,"abstract":"Distributed energy integration into the grid is increasing. This is due to its benefits such as environmental and economic compared to conventional systems. Use of renewable energy resource offers several advantages for both final consumer and utility grid. However, this may have an undesirable impact if it's not suited to grid's specifications. Several problems arise especially those related to line voltage stability. This paper studies the impact of photovoltaic energy on voltage distribution line. The grid's part including district zone modeling and power flow simulation was done. Different scenarios for several renewable power levels are considered under various load states. The simulation results showed voltage drop in long feeder end in absence of distributed generator. Photovoltaic power injection will treat this problem and will reduce line losses but may be accompanied by over voltage risk on distribution line due to reverse power flow.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129020960","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
Dimmable electronic ballast for HPS lamp operating in LF 用于低频工作的HPS灯的可调光电子镇流器
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478894
W. Nsibi, M. Nehdi, A. Chammam, A. Sellami, G. Zissis
{"title":"Dimmable electronic ballast for HPS lamp operating in LF","authors":"W. Nsibi, M. Nehdi, A. Chammam, A. Sellami, G. Zissis","doi":"10.1109/IREC.2016.7478894","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478894","url":null,"abstract":"In this paper we present the study, design and realization of a low frequency dimmable electronic ballast controlled by a microcontroller of a dimmable electronic ballast on micro controller. Indeed, it is with short current drop (which can be variable). We are interested in controlling the spectral radiation response in the of the spectrum , especially d-lines. A comparison between simulations and measurements of HPS lamps confirms the agreement between the model and the experiment.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"226 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124047423","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: 3
The impact of signatories' leadership in environmental agreements 签署国在环境协议中的领导作用
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478865
Samar Garrab, M. Breton
{"title":"The impact of signatories' leadership in environmental agreements","authors":"Samar Garrab, M. Breton","doi":"10.1109/IREC.2016.7478865","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478865","url":null,"abstract":"We consider in this paper an international agreement for the protection of the environment where signatory countries act as a leader and all other countries are followers. We provide an analytical solution of the problem using dynamic programming and game theory techniques. The aim of this paper is to study the impact of signatories' leadership on the welfare and emission levels of all players by comparing Stackelberg and Nash information structures.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123739606","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
Performances of pyramid-shaped solar still with different glass cover angles: Experimental study 不同玻璃罩角金字塔形太阳能蒸馏器性能的实验研究
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478869
A. E. Kabeel, M. Abdelgaied, Nouaf Almulla
{"title":"Performances of pyramid-shaped solar still with different glass cover angles: Experimental study","authors":"A. E. Kabeel, M. Abdelgaied, Nouaf Almulla","doi":"10.1109/IREC.2016.7478869","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478869","url":null,"abstract":"In this study, the effects of glass cover angle on the performance of a square pyramid solar still is investigated experimentally under ambient conditions of Tanta City - Egypt (Latitude 30.47°N and longitude 31°E). In this work, the three type of a square pyramids solar still (system-A, system-B and system-C) with inclined angles of the condensation surface are 30.47°, 40° and 50° respectively. The three type of a square pyramids solar still with the same absorber area of 0.64 m2 and a glass cover in the form of a pyramid has been designed and constructed. From the present study, it is concluded that the temperature difference between the basin water and glass cover and the glass cover angles are important for designing square pyramid solar still. This exprimental results shows that the accumulated distillate water productivity up to almost 4.13 L/m2 day in the system-A, 3.5 L/m2 day in the system-B and 2.93 L/m2 day in the system-C. The increase in accumulated distillate water for system-A is 41 % compared to the system-C and 18 % compared to system-B. It was found that, the accumulated distillate water productivity from the square pyramid solar stills decrease with increase the glass cover angle above the Latitude angle. The maximum accumulated distillate water productivity from the square pyramid solar stills occurs when the glass cover angle equal to the Latitude angle.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126367715","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: 60
Adaptive backstepping control applied to wind PMSG system 自适应反演控制在风电PMSG系统中的应用
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478910
Emna Mahersi, Adel Kheder
{"title":"Adaptive backstepping control applied to wind PMSG system","authors":"Emna Mahersi, Adel Kheder","doi":"10.1109/IREC.2016.7478910","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478910","url":null,"abstract":"In this paper, a nonlinear backstepping control technique for the directly driven wind synchronous generator is presented. The adaptive backstepping technique takes into account stator resistance variations in the control system design. Using Lyapunov stability technique, one may guarantee the global stability of the Permanent Magnet Synchronous Generator (PMSG). Simulation results investigate good performances of the proposed non linear approach.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"31 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121867267","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: 5
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