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Thermal auditing of buildings: essential step towards designing energy efficient houses 建筑热审计:设计节能房屋的重要步骤
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6674232
M. E. El Hjouji, A. Khaldoun
{"title":"Thermal auditing of buildings: essential step towards designing energy efficient houses","authors":"M. E. El Hjouji, A. Khaldoun","doi":"10.1109/IRSEC.2013.6674232","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6674232","url":null,"abstract":"This project provides a reference on how to perform a complete thermal analysis and brings a concrete example using different tools and equations for the estimation of the heating or cooling loads of residential buildings. For this purpose, different methodologies and calculations done by auditing organisms that evaluates how efficient the building is and its state of insulation was used. After determining all the criteria an insulated building needs to have, we applied it in a house model and we made the financial estimation of the loads needed to create comfort conditions in the building under analysis.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128849523","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
Analysis of experimental test results for the solar water heater of UDES UDES太阳能热水器试验测试结果分析
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529644
A. Arbane, M. Merzouk, R. Sellami, N. Merzouk
{"title":"Analysis of experimental test results for the solar water heater of UDES","authors":"A. Arbane, M. Merzouk, R. Sellami, N. Merzouk","doi":"10.1109/IRSEC.2013.6529644","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529644","url":null,"abstract":"A new thermosyphon solar water heater was built at UDES. In order to evaluate the performances of the prototype, a test bench has been established according to ISO standards. The tests were conducted over a period of twelve days to determine the daily performance and to verify the degree of mixing as defined by the ISO 9459-2 standard. The results were used for the prediction of long-term performances by simulation with SAM. As it has been noticed that the recorded performances were not sufficient, a new simulation was performed by replacing the UDES collector by a reference one from the literature having higher effective area and efficiency. It was observed that the obtained results were much better in terms of achieved temperatures at the outlet of the solar water heater. In order to obtain comparable systems performances, it was concluded that the thermal collector has to be reviewed.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"53 58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128774605","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
Structural and optical properties of the nanocrystalline ZnO films prepared by Successive Ionic Layer Adsorption and Reaction 连续离子层吸附反应制备纳米ZnO薄膜的结构和光学性质
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529728
E. E. El Hamri, A. Elfanaoui, L. Boulkadat, E. Ihalane, L. Alahyane, H. Kirou, K. Bouabid, A. Ihlal, L. Laânab
{"title":"Structural and optical properties of the nanocrystalline ZnO films prepared by Successive Ionic Layer Adsorption and Reaction","authors":"E. E. El Hamri, A. Elfanaoui, L. Boulkadat, E. Ihalane, L. Alahyane, H. Kirou, K. Bouabid, A. Ihlal, L. Laânab","doi":"10.1109/IRSEC.2013.6529728","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529728","url":null,"abstract":"In this paper, we report on Zinc oxide (ZnO) thin films grown by means of simple and cost effective method: Successive Ionic Layer Adsorption and Reaction (SILAR). All the depositions were performed on cheap glass substrates at room temperature. Annealing temperatures and film thickness effect on the structural, morphological and optical properties of the films were investigated. The as-deposited films were annealed at 300 and 400°C for 1 h under oxygen atmosphere. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) characterizations showed that the films covered the whole glass substrates and exhibit the wurtzite hexagonal structure. All the films are nanostructured. The film thickness effect on the band gap values was investigated and band gap values were found to vary within the range 3.2 - 3.8 eV depending on the growth conditions.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114765892","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
State-model based time-domain diagnosis of internal faults for permanent magnet synchronous machine -wind application 基于状态模型的永磁同步电机内部故障时域诊断——风力应用
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529652
A. Lalami, A. El-Ouafi, R. Wamkeue
{"title":"State-model based time-domain diagnosis of internal faults for permanent magnet synchronous machine -wind application","authors":"A. Lalami, A. El-Ouafi, R. Wamkeue","doi":"10.1109/IRSEC.2013.6529652","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529652","url":null,"abstract":"Upon occurrence of an internal fault on the permanent magnet synchronous machine (PMSM), the topology of the stator is amended causing structural imbalances due to the change of the connection within the windings. In this work, a state model of internal faults of the PMSM is developed. This model is in the (abc) reference frame. The modeling approach is based on the assumption that each stator phase is replaced by two major and minor sub-windings. This model is used subsequently in the residual generation for diagnosis. The fault indicators are obtained by the projection in parity space and estimated using the Luenberger observer. A scenario of fault inter-turn by the short-circuit occurring between phase (a and b) is validated by simulation.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126372504","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
A compararative study between sliding mode controller and P&O controller applied to MPPT 滑模控制器与P&O控制器应用于MPPT的比较研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529701
H. Afghoul, D. Chikouche, F. Krim, A. Beddar
{"title":"A compararative study between sliding mode controller and P&O controller applied to MPPT","authors":"H. Afghoul, D. Chikouche, F. Krim, A. Beddar","doi":"10.1109/IRSEC.2013.6529701","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529701","url":null,"abstract":"This paper presents a simulation of PV system (PV panel, boost inverter and a resistance load) using MATLAB, To prove the efficiency of this system we applied two method of MPPT in the global algorithm, one classical and the other one is intelligent: the first one is called Perturbation and observation (P&O) used in stand-alone places or in simple installation and the later is based on sliding mode, this method is used when we need a large installation. The different steps of the design of these controllers are presented together with its simulation. The performance comparison between sliding mode controller and P&O controller has been carried out to demonstrate the effectiveness of sliding mode controller to draw much energy and a fast response against change in working conditions.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131511233","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
Automation of a solar adsorption refrigeration system 太阳能吸附式制冷系统的自动化
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529722
A. El Fadar, A. Haddi, M. Becherif, J. Jay
{"title":"Automation of a solar adsorption refrigeration system","authors":"A. El Fadar, A. Haddi, M. Becherif, J. Jay","doi":"10.1109/IRSEC.2013.6529722","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529722","url":null,"abstract":"The purpose of this paper is to present the automation of a solar adsorption refrigeration system powered by a parabolic trough concentrator. This automation consists of the introduction of some adequate components such as solenoid valves, sensors (pressure, temperature and level) and pumps, which will be piloted by a programmable logic controller. Besides, to produce the electric energy necessary to the working of this refrigeration system and therefore to make it totally autonomous, a second system has been designed; it is composed of a parabolic dish reflector and a turbine coupled to an alternator that converts the mechanical work into electricity. Furthermore, in order to store the excess thermal energy delivered by the concentrator, a subsystem constituted of a pump and a supplementary reservoir is integrated to the main refrigeration system; the stored heat could serve to a domestic use. In addition to entire autonomy purpose of the unit during cold production, the simulation results showed that the proposed automation could enhance the system performance.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126504623","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
Estimating the photovoltaic MPPT by artificial neural network 基于人工神经网络的光伏最大ppt估计
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529641
S. Farhat, R. Alaoui, A. Kahaji, L. Bouhouch
{"title":"Estimating the photovoltaic MPPT by artificial neural network","authors":"S. Farhat, R. Alaoui, A. Kahaji, L. Bouhouch","doi":"10.1109/IRSEC.2013.6529641","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529641","url":null,"abstract":"The approach adopted in this study is to build a model of artificial neural network based on the architecture Multi-layer Perceptron (MLP) whose training is based on practical data. These are measured for a photovoltaic panel (PPV) around data acquisition chain composed of a certain number of sensors including temperature and global solar radiation. The objective is to track, in real time, the maximum power point (MPPT: Maximum Power Point Tracker) by using the model proposed MLP, directly from the Data irradiance namely G and the temperature T. This proposed modeling MLP is validated by using the statements measurements.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130417795","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: 11
Elaboration and characterization of In2S3 thin films by spray pyrolysis with [S]/ [In] = 3 ratio [S]/ [In] = 3喷雾热解制备In2S3薄膜及表征
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529664
T. Sall, B. Hartiti, B. Marí, M. Miquel, L. Laânab, M. Fahoume
{"title":"Elaboration and characterization of In2S3 thin films by spray pyrolysis with [S]/ [In] = 3 ratio","authors":"T. Sall, B. Hartiti, B. Marí, M. Miquel, L. Laânab, M. Fahoume","doi":"10.1109/IRSEC.2013.6529664","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529664","url":null,"abstract":"In2S3 thin films were elaborated onto glass substrate by spray pyrolysis method using sulphur-to-indium ratio ([S]/[In]) of 3 and different substrate temperatures. The as-deposited and annealing films were characterized by X-Ray Diffraction (XRD) for the structural, Energy Dispersive Spectroscopy (EDS) for the composition, Raman spectroscopy for samples quality and optical transmittance to measure gap energy. XRD revealed a β-In2S3 phase with a preferential orientation along (0 0 12) plane. Good stoichiometry was noticed in EDS measurement. Raman spectroscopy analysis shows a prominent of active modes of β-In2S3 films with annealing. This is confirming an improvement of structure cristallinity of all films and optical analysis shows a decrease of gap energy after annealing.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130874918","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
Faults diagnosis of wind energy conversion chain based on doubly fed induction generator by principal components analysis method 基于主成分分析法的双馈感应发电机风能转换链故障诊断
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529697
J. F. Ramahaleomiarantsoa, E. Sambatra, N. Héraud, J. Razafimahenina
{"title":"Faults diagnosis of wind energy conversion chain based on doubly fed induction generator by principal components analysis method","authors":"J. F. Ramahaleomiarantsoa, E. Sambatra, N. Héraud, J. Razafimahenina","doi":"10.1109/IRSEC.2013.6529697","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529697","url":null,"abstract":"This paper deals with the faults diagnosis of wind energy conversion chain based on doubly fed induction generator (DFIG). A complete model of the device is presented. An accurate model of the induction machine is proposed because the considered faults are come from this element. The developed model of the conversion chain allows studying both the cases with and without faults. The principal components analysis (PCA) method is then used for system diagnosis. This approach is based on residues analysis. The complete model has been implemented on the Matlab software to perform the matrix data needed for PCA method. The simulation results of several variables such as stator and rotor currents, shaft rotational speed, electrical power, electromagnetic torque and other variables issued from mathematical transformations of healthy and faulted DFIG are analyzed. Comparisons of simulation results with those of other diagnostic methods are performed to show importance of the PCA method in fault diagnosis of systems. The results show the efficiency of the approach but require a good choice of the number of principal components.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132135561","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 coordinated control for smoothing output power of a DFIG based wind turbine 基于DFIG的风力发电机平滑输出功率的协调控制
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529732
T. Riouch, R. El-Bachtiri
{"title":"A coordinated control for smoothing output power of a DFIG based wind turbine","authors":"T. Riouch, R. El-Bachtiri","doi":"10.1109/IRSEC.2013.6529732","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529732","url":null,"abstract":"This paper presents an adequate control for smoothing the power injected by a double-fed induction generator (DFIG) in the grid. Its principle is based on a simple coordination between the DC bus voltage control and the voltage battery energy storage systems (BESS) control. Smoothed output power and good operating performance of DFIG strongly depend on the stabilization of the DC bus. By using the proposed method, the stress of the capacity and the stress on power converters are reduced. A low pass filter (LPF) is inserted in the circuit of the DC bus for the effectiveness of smoothing. The robustness of the proposed control is validated by numerical simulations on Matlab / Simulink / SimPowerSystems.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130097328","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: 10
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