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

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Theoretical and simulation results of a photovoltaic system improvement technology 一种光伏系统改进技术的理论与仿真结果
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478876
T. Saoudi, A. Oualha, Barhoumi Fatima, W. Ajmi
{"title":"Theoretical and simulation results of a photovoltaic system improvement technology","authors":"T. Saoudi, A. Oualha, Barhoumi Fatima, W. Ajmi","doi":"10.1109/IREC.2016.7478876","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478876","url":null,"abstract":"This paper describe a new technology in the renewable energy field. This technology consists to optimise one of the most important photovoltaic performances. In fact, An optical device will be added to the solar panel in order to improve efficiency. The system was been modelled and simulated. Simulation results confirmed the theoretical assumptions about the efficiency gain reached by our new technology. In the literature we find that many other researchers tried to improve photovoltaic performances but the idea presented in this paper may be a confident reference for other researchers in the future.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"117 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":"115587689","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
Stand alone synchronous operation of wound rotor induction generator 绕线转子感应发电机单机同步运行
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478880
S. Mourad, R. Habib
{"title":"Stand alone synchronous operation of wound rotor induction generator","authors":"S. Mourad, R. Habib","doi":"10.1109/IREC.2016.7478880","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478880","url":null,"abstract":"This work presents a steady state analysis of a synchronous operation of wound rotor induction generator in isolated area. In the presented wind energy system, the rotor circuit of the generator is excited by an alternative three phase system with a controlled magnitude and frequency of the excitation current. The different performances of the studied structure, under various condition of operation, are determined and discussed. The presented results prove the efficiency of the suggested structure for producing electrical energy to supply the remote villages.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"63 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":"115046370","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
Effect of a daily flat plate collector orientation change on the solar system performances 平板集热器定向日变化对太阳能系统性能的影响
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478942
M. Koussa, D. Saheb-Koussa, M. Hamane, Zoubir Boussaa, M. Lalaoui
{"title":"Effect of a daily flat plate collector orientation change on the solar system performances","authors":"M. Koussa, D. Saheb-Koussa, M. Hamane, Zoubir Boussaa, M. Lalaoui","doi":"10.1109/IREC.2016.7478942","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478942","url":null,"abstract":"This work consist mainly in highlighting the effect of the step by step tracking system using on the performance of a solar water heating system. Using data measurement obtained from renewable energy systems development in arid region of Ghardaia characterized respectively by temperate and arid climates. The results obtained by the considered system are compared to those obtained by a fixed system with a seasonal inclination change and to those obtained by two mechanisms with a continuous tracking around a vertical axis and that around an inclined axis. In following are presented the considered system and used in this study. As results it is observed that the orientation of the solar water heater collector three times by day lead to increase its thermal efficiency and this work leads also Evaluating the flat plate solar collector optimum azimut angle for several Algerian climate.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"476 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":"123232352","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
Model based characterization tool of a grid connected hybrid system 基于模型的并网混合系统表征工具
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478950
A. Brahmi, A. Chaabene
{"title":"Model based characterization tool of a grid connected hybrid system","authors":"A. Brahmi, A. Chaabene","doi":"10.1109/IREC.2016.7478950","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478950","url":null,"abstract":"This paper concerns the modeling and the regulation of grid connected system: a photovoltaic panel (PV) and a variable speed wind turbine as principal sources. A super-capacitor (SC) is considered as a storage system. A maximum power point trackers (MPPT) algorithm is developed. Also, DC-bus voltage regulation strategy is presented. Finally the power control is developed. The effectiveness of the proposed control techniques is tested and validated on a case study.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"85 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":"122082836","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
Performance comparison of silicon PV module between standard test and real test conditions 标准测试与实际测试条件下硅光伏组件的性能比较
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478959
Olfa Bel Hadj Brahim Kechiche, Marwa Hamza, H. Sammouda
{"title":"Performance comparison of silicon PV module between standard test and real test conditions","authors":"Olfa Bel Hadj Brahim Kechiche, Marwa Hamza, H. Sammouda","doi":"10.1109/IREC.2016.7478959","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478959","url":null,"abstract":"The purpose of the work was to evaluate and compare the performances of silicon PV module under standard test and real test conditions. This paper provides a detailed analytical model for characterizing the electrical performance of silicon photovoltaic module. The simulation results have been performed in MATLAB/Simulink® environment. We proved that difference between the standard test and real test conditions, is attributed to various factors including effect of temperature variations and consequently some adjustments should be considered in electrical parameters to improve the PV module efficiency.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"101 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":"127120450","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: 9
On the impact of alternative energy sources on electric power network stability 论替代能源对电网稳定性的影响
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478946
Zeid Al Qaisi, A. Harb
{"title":"On the impact of alternative energy sources on electric power network stability","authors":"Zeid Al Qaisi, A. Harb","doi":"10.1109/IREC.2016.7478946","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478946","url":null,"abstract":"The Characteristics of power produced from PV & Wind systems are based on weather condition. Both the system is very unreliable in itself without sufficient capacity storage devices like batteries or back-up system like conventional engine generators. This paper proposes small-scale hybrid PV-Wind turbine system with Diesel engine. In PV system the variable DC output voltage is controlled by boost converter with MPPT, the regulated DC voltage is converted into AC voltage via VSI. A fixed speed wind turbine with squirrel cage induction generator is used in this work. The modeling of hybrid system is developed in MATLAB-SIMULINK.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"55 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":"130729677","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
Slow pyrolysis kinetics of apricots stones by Thermogravimetric Analysis 杏核慢热解动力学的热重分析
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478945
F. Nocera, A. Gagliano, F. Patania, M. Bruno, S. Sciré
{"title":"Slow pyrolysis kinetics of apricots stones by Thermogravimetric Analysis","authors":"F. Nocera, A. Gagliano, F. Patania, M. Bruno, S. Sciré","doi":"10.1109/IREC.2016.7478945","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478945","url":null,"abstract":"Thermal degradation and kinetics for apricots stones have been evaluated under dynamic conditions through a Thermogravimetric Analysis (TGA). Slow pyrolysis processes were carried out in presence of nitrogen atmosphere until a temperature of 600 °C was reached. The effect of different heating rate (10 and 20 °C/min) was evaluated. The DTGA (Derivative Thermogravimetric Analysis) plot for the apricot stones clearly shows that the chosen biomass begins to degrade at 200 °C. Moreover, it exhibits three peaks. The first peak of DTGA (100 °C) was due to moisture evaporation, the second peak (284-303°C) was associated with hemicellulose pyrolysis whereas the third peak (348-356°C) was associated to cellulose pyrolysis whose degradation begins at higher temperatures. The biomass mainly volatilized between 200 °C and 400 °C. The total mass loss was of about 58-60% with respect to the initial weight. Mass loss and its rate were strongly affected by the heating rate. Indeed, it was found that an increase in heating rate results in a shift of thermograms to higher temperatures and above all in very different DTGA peaks. An isoconversional differential method, the Friedman method, was used for the determination of the slow pyrolysis energy activation. In the 10-22% conversion range, mainly corresponding to hemicellulose degradation, the apricot stones activation energy has a value of about 110 kJ/mol for both the heating rate evaluated. In the 35-44% conversion range, mainly corresponding to cellulose degradation, the activation energy has a value of 116 kJ/mol and 76 kJ/mol respectively for the heating rate of 10 and 20 °C/min.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"100 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120970670","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
Study of the performance of a single solar still for a typical day in Gabès region 研究一个太阳能蒸馏器在gab<s:1>地区典型一天的性能
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478957
Nejib Hidouri, Yemna Sarray, A. Mchirgui, Ammar ben Brahim
{"title":"Study of the performance of a single solar still for a typical day in Gabès region","authors":"Nejib Hidouri, Yemna Sarray, A. Mchirgui, Ammar ben Brahim","doi":"10.1109/IREC.2016.7478957","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478957","url":null,"abstract":"The performance of a single solar still is numerically studied by solving the energy balance equations, concerning Gabès region. Effects of the glass cover thickness and the saline water depth on water-to-inner glass cover temperature difference and on daily yield for June 21st are determined and graphically presented. It was found that optimum values of glass cover thickness and water depth giving highest productivity are 3 mm, and 1.5 cm, respectively.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"7 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":"125319767","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
Energy performance investigation of a solar water heating system for single-family houses in Mediterranean climate 地中海气候下独户住宅太阳能热水系统的能源性能研究
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478943
M. Missoum, A. Hamidat, K. Imessad, S. Bensalem, A. Khodja
{"title":"Energy performance investigation of a solar water heating system for single-family houses in Mediterranean climate","authors":"M. Missoum, A. Hamidat, K. Imessad, S. Bensalem, A. Khodja","doi":"10.1109/IREC.2016.7478943","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478943","url":null,"abstract":"Algeria is one of the sunniest countries in the world and therefore solar energy is the most promising alternative energy source that can contribute strongly in the reduction of its energy consumption especially in residential sector. This paper investigates the energy performance of a solar water heating system under Algiers climate conditions. Two different models of storage tank are studied; fully mixed tank and stratified tank. A parametric study was performed in order to determine the optimum size of the thermal collector, storage tanks and mass flow rate. The optimized systems was used to simulate the annual energy performance of the solar water heating system under Algiers climate conditions. The simulation results show that the solar fraction of the solar system with a stratified storage tank is very important (96%) than the solar fraction in the case of a fully mixed tank (88%).","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"35 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":"133439234","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
Optimal sizing of single-phase DC/AC converter for grid-connected PV applications 并网光伏应用中单相DC/AC变换器的最佳尺寸
2016 7th International Renewable Energy Congress (IREC) Pub Date : 2016-03-22 DOI: 10.1109/IREC.2016.7478920
Ibtissem Tiss, H. Mejbri, K. Ammous, Abdulrahman Alahdal, A. Ammous
{"title":"Optimal sizing of single-phase DC/AC converter for grid-connected PV applications","authors":"Ibtissem Tiss, H. Mejbri, K. Ammous, Abdulrahman Alahdal, A. Ammous","doi":"10.1109/IREC.2016.7478920","DOIUrl":"https://doi.org/10.1109/IREC.2016.7478920","url":null,"abstract":"This paper suggests a design methodology based on the use of Genetic Algorithm (GA) for optimizing a DC/AC converter scheme used for grid-connected photovoltaic system. The converter design is optimized to reach either maximum efficiency, or minimum size, or lowest cost. To achieve such requirements, Genetic Algorithm is used to search optimal design while a non-ideal averaged model is used to model the inverter. A simulation model is developed in MATLAB/Simulink environment for the overall system. The GA is implemented in MATLAB. All optimal results show the features of the modeling and optimization technique.","PeriodicalId":190533,"journal":{"name":"2016 7th International Renewable Energy Congress (IREC)","volume":"24 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":"134185415","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
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