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2018 6th International Renewable and Sustainable Energy Conference (IRSEC)最新文献

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Stabilisation Attempts of the Electrical and Optical Properties of Oxide/Cu/Oxide Structures Through the Use of Different Cu:M Alloys 利用不同Cu:M合金稳定氧化物/Cu/氧化物结构的电学和光学性能的尝试
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702991
L. Cattin, G. Louarn, D. Rabia, M. Blais, Y. Mouchaal, A. Khelil, Z. E. Jouad, M. Addou, P. Torchio, D. Barakel, H. Essaidi, S. Touihri, M. Cherif, P. Blanchard, J. Bernède
In the near future many optoelectronic devices should be flexible therefore it is necessary to look for a new transparent electrode, ITO, the most often used transparent electrode, being brittle. Oxide/Metal/Oxide structures were shown to be highly promising as substituent to ITO. However, the metal the most often used, Ag, is quite expensive. Cu is a possible substituent to Ag, but it diffuses strongly in the oxide layers. In order to stabilize the Cu alloy, we use Cu alloys: Cu:Ni, Cu:Al. We show that using such alloys allows increasing the electrode stability. The introduction of a thin, 2nm, Ag layer, further improves the electrode stability. Finally we show that WO3/Cu:M/WO3 electrodes can be used successfully as anode in organic solar cells.
在不久的将来,许多光电器件都应该是柔性的,因此有必要寻找一种新的透明电极,ITO是最常用的透明电极,它是脆的。氧化物/金属/氧化物结构被证明是极有希望取代ITO的材料。然而,最常用的金属银是相当昂贵的。铜是银的可能取代基,但它在氧化层中扩散强烈。为了稳定Cu合金,我们使用Cu合金:Cu:Ni, Cu:Al。我们表明,使用这种合金可以增加电极的稳定性。引入2nm的银层,进一步提高了电极的稳定性。最后,我们证明了WO3/Cu:M/WO3电极可以成功地用作有机太阳能电池的阳极。
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引用次数: 0
Two-Dimensional Electronic Materials for Terahertz Applications : Linking the Physical Properties with Engineering Expertise 用于太赫兹应用的二维电子材料:将物理性质与工程专业知识联系起来
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702954
A. Moutaouakil
Research on terahertz technologies have taken several approaches; some focused on optical phenomena while others focused on how to enhance the electronic properties of materials toward terahertz applications. In this work, we report on how to use the physical properties in several two-dimensional electronic material to advance the research in terahertz, and we report on our recent results and advances in Terahertz applications obtained using traditional and advanced transistors structures.
太赫兹技术的研究已经采取了几种方法;一些人专注于光学现象,而另一些人则专注于如何提高材料的电子特性以实现太赫兹应用。在这项工作中,我们报告了如何利用几种二维电子材料的物理性质来推进太赫兹的研究,并报告了我们使用传统和先进晶体管结构在太赫兹应用中获得的最新结果和进展。
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引用次数: 9
Solar Energy in M’Sila (Algerian Province) M 'Sila(阿尔及利亚省)的太阳能
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702944
F. Hadji, N. Ihaddadène, R. Ihaddadene, Younes Kherbiche, Merouan Mostefaoui, A. Beghidja
An accurate knowledge of solar radiation data for a given location is required for any project aimed at exploiting solar energy. The present paper evaluates the solar energy potential of M’Sila, (internal region of Algeria). This assessment is made based on data collected at the M’Sila weather station for 365 days by 5-minute intervals. The study site is located at a latitude of $35^{circ}42$`07``, longitude of $4^{circ}32$`43`` and an altitude of 441 m above the sea level. The maximum radiation received in M’Sila during the day does not occur at a fixed time during the year. It fluctuates around an average value of 11:40. This maximum radiation was recorded between 9:14 and 13:59. The representative days of the radiation reaching the ground of M’Sila are different from those relating to extra-terrestrial radiation. They vary from year to year. The month of July is the sunniest month in M’Sila with a total insolation of 790.14 MJ/m2. The month of December is the least sunny month with a total insolation of 242.52 MJ/m2. M’Sila receives a total solar energy of 6316.42 MJ/m2 per year. That means an average insolation of 526.37MJ/m2 per month and 17.31 MJ/m2 per day. M’Sila has an important solar energy potential that deserves to be exploited.
任何旨在开发太阳能的项目都需要对给定地点的太阳辐射数据有准确的了解。本文评价了M 'Sila(阿尔及利亚内陆地区)的太阳能潜力。这一评估是根据M 'Sila气象站365天以5分钟为间隔收集的数据作出的。研究地点位于纬度$35^{circ}42$ ' 07 ',经度$4^{circ}32$ ' 43 ',海拔441 m。M 'Sila白天接受的最大辐射并不是在一年中的固定时间出现的。它在平均值11:40上下波动。最大辐射发生在9:14到13:59之间。辐射到达M 'Sila地面的代表性天数与与地外辐射有关的天数不同。每年都不一样。7月是米拉日照最充足的月份,总日晒量为790.14 MJ/m2。12月是日照最少的月份,总日晒242.52 MJ/m2。M 'Sila每年接收的太阳能总量为6316.42 MJ/m2。即月平均日晒526.37MJ/m2,日平均日晒17.31 MJ/m2。M 'Sila拥有重要的太阳能潜力,值得开发。
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引用次数: 2
Observations of Ice at the Interface Between Snow Accumulations and Photovoltaic Panel Surfaces 积雪与光伏板表面交界面冰的观测
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8703019
Robert E. Pawluk, Yuxiang Chen, Yuntong She
This paper presents the observation of ice formations under snow accumulations on photovoltaic (PV) panels. Five potential sources of moisture for icing were identified. An outdoor testing frame with panels was left to accumulate with snow and then manually cleared with a brush. Out of seven experimental observations, visible ice accumulations occurred five times, and the icing caused by two different sources of moisture was observed with certainty.
本文介绍了光伏(PV)板上积雪下结冰的观测。确定了五种可能的结冰水分来源。留下一个带面板的室外测试框架,让其积雪,然后用刷子手动清除。在七次实验观测中,有五次出现了可见的积冰,并且确定地观察到由两种不同的水分来源引起的结冰。
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引用次数: 2
Numerical Investigation of the Latent Heat Storage During the Melting Driven Natural Convection Around Heat Source Embedded in a Rectangular Cavity: Application to the Passive Cooling 矩形空腔内热源周围熔融驱动自然对流潜热蓄热的数值研究:在被动冷却中的应用
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702865
H. Faraji, M. Faraji, M. Alami
Heat transfer within a cavity of adiabatic walls and containing a heat source (electronic component), carried by a substrate (board), in one of its sides is investigated. The strategy is to use a phase change material (PCM) as a heat sink for cooling the electronic component. The choice of this type of material is justified by their high density of energy storage. A 2D mathematical model is developed using the enthalpy-porosity method. The effect of natural convection is considered during the PCM melting process. Numerical investigations are focused on determining the optimal orientation of cavity for efficient cooling and also on the effect of the type of PCM (organic or inorganic) guaranteeing a long operating time while avoiding any failure.
研究了在绝热壁腔内的热传递,该腔内含有热源(电子元件),由衬底(板)携带,在其一侧。该策略是使用相变材料(PCM)作为散热片来冷却电子元件。选择这种类型的材料是合理的,因为它们具有高密度的能量存储。利用焓-孔隙度法建立了二维数学模型。在PCM熔化过程中考虑了自然对流的影响。数值研究的重点是确定有效冷却的最佳腔体方向,以及PCM类型(有机或无机)的影响,保证长时间运行,同时避免任何故障。
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引用次数: 0
Control Strategies of PMSG Wind Energy Conversion System Based on Five Level NPC Converter 基于五级NPC变换器的PMSG风能转换系统控制策略
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702848
Y. Errami, A. Obbadi, S. Sahnoun, M. Ouassaid, M. Maaroufi
This paper presents a control for a Wind Farm System (WFS) based Permanent Magnet Synchronous Generator (PMSG) and Five Level Neutral Point Clamped converter (FL-NPC). Each wind turbine is equipped with a 2 MW-PMSG and an ac-dc converter. Only one dc-ac FL-NPC converts the dc-bus voltage to an appropriate ac voltage of WFS ac-bus. This paper adopts the Sliding Mode Approch (SMA) and the Vector Control Technique (VCT) to achieve the Maximum Power Tracking (MPT), the stable dc-link voltage, the control of active and reactive powers and the electrical network connection with a unity power factor. To evaluate the controller system abilities, simulation analyses are presented on a wind farm system with five PMSG connected to a grid with FL-NPC and under different operating conditions. The results demonstrate that the proposed techniques are capable to provide excellent control performances.
提出了一种基于永磁同步发电机(PMSG)和五电平中性点箝位变流器(FL-NPC)的风电场系统(WFS)控制方法。每个风力涡轮机都配备了一个2兆瓦的pmsg和一个交流-直流转换器。只有一个直流-交流FL-NPC将直流母线电压转换为WFS交流母线的适当交流电压。本文采用滑模方法(SMA)和矢量控制技术(VCT)实现了最大功率跟踪(MPT)、直流电压稳定、有功和无功控制以及统一功率因数的电网连接。为了评估控制器系统的能力,对一个风电场系统在不同运行条件下,将5个PMSG与FL-NPC并网进行了仿真分析。结果表明,所提出的技术能够提供良好的控制性能。
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引用次数: 0
Advance Control of a Isofotón-75W Photovoltaic Module Under Matlab-Simulink Matlab-Simulink下Isofotón-75W光伏组件的超前控制
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8703003
T. Ghaitaoui, Laribi Slimane, R. Maouedj, T. Touahri
We study in this article the best way to transfer all the useful power of photovoltaic systems (Isofoton _75W). Knowing that on the current-voltage characteristic of the generator (which depends on the conditions of illumination, temperature, aging), there is an operating point where the power output is maximum, the optimization is to focus on this point in continuously by acting automatically on the load seen by the generator. This load adaptation is carried out using a static converter whose losses must be as low as possible and which can; moreover, provide a function for formatting an output quantity (continuous-continuous conversion). With voltage modification). We chose to use MPPT maximum power point search technology, based on the "Perturb and Observe (P & O)" algorithm, controlled by a Pulse Width Modulation (PWM) signal. The aim of this work is the study of a DC-DC converter under Matlab / Simulink, used in photovoltaic systems (Isofoton_75W), and we are more specifically interested in the BOOST converter.
本文研究了光伏系统(Isofoton _75W)所有有用功率的最佳传输方式。知道在发电机的电流-电压特性(取决于光照、温度、老化等条件)上,存在一个输出功率最大的工作点,优化就是通过自动作用于发电机所看到的负载,持续地关注这一点。这种负载适应是使用静态变换器进行的,其损耗必须尽可能低,并且可以;此外,还提供了格式化输出数量的函数(连续-连续转换)。带电压修改)。我们选择使用MPPT最大功率点搜索技术,基于“扰动和观察(P & O)”算法,由脉冲宽度调制(PWM)信号控制。这项工作的目的是在Matlab / Simulink下研究一个用于光伏系统(isooton_75w)的DC-DC转换器,我们对BOOST转换器更感兴趣。
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引用次数: 0
Smart Buildings For Smart Grids: A Real-world Testbed 智能电网的智能建筑:一个真实世界的测试平台
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8703005
Safae Bourhnane, M. Abid, R. Lghoul, K. Zine-dine, N. Elkamoun, M. Khaidar, M. Bakhouya, D. Benhaddou
Smart Grids (SG) are emerging as a very promising technology meant to cope with the stringent worldwide demand on energy and on relevant ecologic measures. At the heart of the Smart Grids lie Smart Buildings (SB). SB are the building blocks of SG. Either residential or industrial, SBs are consuming most of the produced electrical energy. However, and in the context of SG, SBs are meant to produce energy as well and contribute to stabilizing the Demand/Response (DR) variance whereby produced energy is injected back into the SG. This occurs mainly in case of energy shortage in the main SG or in case of excess in energy production. To leverage “smartness” in buildings, continuous data monitoring (e.g., energy production/consumption levels) using wireless sensors, and real-time dissemination/processing of this data, is essential. To further boost buildings’ smartness, deploying context-awareness, whereby electrical appliances can be switched On/Off depending on context (e.g., presence and ambient temperature), would bring considerable added-value. In this paper, a blueprint for deploying a real-world SB testbed is presented.
智能电网(SG)是一项非常有前途的技术,旨在应对全球对能源和相关生态措施的严格需求。智能电网的核心是智能建筑(SB)。SB是SG的基石。无论是住宅还是工业,SBs都消耗了大部分产生的电能。然而,在SG的背景下,SBs也意味着产生能量,并有助于稳定需求/响应(DR)方差,由此产生的能量被注入SG。这种情况主要发生在主要SG能源短缺或能源生产过剩的情况下。为了利用建筑中的“智能”,使用无线传感器进行连续数据监控(例如,能源生产/消耗水平)以及实时传播/处理这些数据至关重要。为了进一步提升建筑物的智能,部署环境感知,即根据环境(例如,存在和环境温度)打开/关闭电器,将带来可观的附加值。在本文中,给出了一个部署真实的SB测试平台的蓝图。
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引用次数: 2
Innovative Cleaning Technique for PV Modules on Helioslite Biaxial Solar Trackers Helioslite双轴太阳能跟踪器上光伏组件的创新清洁技术
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702864
Dounia Dahlioui, Salima El Ayane, Soukaina Medaghri Alaoui, A. Barhdadi, Gauthier Dambrine, Etienne Menard, Jay Boardman
Certainly the tracking systems ensure higher performance and reliability compared with fixed systems, however, the soiling affects negatively the productivity of the PV modules. There is, therefore, a paramount importance to propose a cleaning technique integrated into the biaxial tracker characterized by Tilt and Roll kinetic. In this paper, an innovative cleaning was developed for the biaxial tracker of HeliosLite which has recently installed in our RDI Solar Energy Platform at PSES in Rabat. Based on a critical analysis of several existent cleaning solutions of PV modules as well as the structure of the tracker, a functional analysis has been done of the problematic discussed. This technique, based on the use of telescopic arm connected to rotating brush, has successfully accomplished the important criteria aimed by this work namely: autonomy, stability, low cost and efficiency.
当然,与固定系统相比,跟踪系统可以确保更高的性能和可靠性,但是,污染会对光伏组件的生产力产生负面影响。因此,提出一种集成到以倾斜和滚动动力学为特征的双轴跟踪器中的清洁技术是至关重要的。在本文中,为HeliosLite的双轴跟踪器开发了一种创新的清洁方法,该跟踪器最近安装在拉巴特pse的RDI太阳能平台上。在对现有的几种光伏组件清洗方案及跟踪器结构进行分析的基础上,对所讨论的问题进行了功能分析。该技术通过将伸缩臂连接到旋转电刷上,成功地实现了本工作的重要目标:自主、稳定、低成本和高效率。
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引用次数: 2
Robust Control of Three Phase Grid Connected PV System Based on ADRC and Fuzzy 基于自抗扰和模糊的三相并网光伏系统鲁棒控制
Pub Date : 2018-12-01 DOI: 10.1109/IRSEC.2018.8702950
Imad Aboudrar, S. E. Hani, Hamza Mediouni, Ahmed Aghmad, Mohamed Saleck Heyine
This paper presents the modeling and control of a three-phase grid connected PV system. A new robust control has been proposed and utilized to connect the PV system with the utility grid. For the extraction of maximum power from the PV system, the Fuzzy Logic control is used due to its robustness and fast tracking response. And for the grid side control, a new robust control strategy based on the Active Disturbance Rejection Controller (ADRC) have been proposed, where the objective is to regulate the DC bus voltage as well as to control the injection of active and reactive powers into the grid.In order to evaluate the performance of the proposed control, a series of simulations have been made under the MATLAB/SIMULINK environment.
本文介绍了三相并网光伏系统的建模与控制。提出了一种新的鲁棒控制方法,并将其应用于光伏系统与电网的连接。对于光伏发电系统的最大功率提取,模糊逻辑控制具有鲁棒性和快速跟踪响应的特点。在电网侧控制方面,提出了一种基于自抗扰控制器(ADRC)的鲁棒控制策略,其目标是调节直流母线电压以及控制向电网注入的有功和无功功率。为了评估所提出的控制的性能,在MATLAB/SIMULINK环境下进行了一系列的仿真。
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引用次数: 3
期刊
2018 6th International Renewable and Sustainable Energy Conference (IRSEC)
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