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Finite Element Comparative Study Between Permanent Magnet Synchronous and Asynchronous Generators Used in Wind Turbines 风力发电机用永磁同步与异步发电机的有限元比较研究
2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI: 10.1109/REDEC.2018.8597617
Ziad Noun, Andre Mrad, M. Arnaout
{"title":"Finite Element Comparative Study Between Permanent Magnet Synchronous and Asynchronous Generators Used in Wind Turbines","authors":"Ziad Noun, Andre Mrad, M. Arnaout","doi":"10.1109/REDEC.2018.8597617","DOIUrl":"https://doi.org/10.1109/REDEC.2018.8597617","url":null,"abstract":"Wind power generators recently have shown a great interest in the domain of renewable energy due to their high performance (torque-mass ratio, efficiency, and its acceptable cost). For better reliability, this paper elaborates a comparative study using the Finite Element tool ANSYS – MAXWELL for the Direct Drive Permanent Magnet Synchronous & Asynchronous Generators (i.e. DDPMSG & DDPMIG). The purpose of this study is to compare the essential characteristics (e.g. radial flux density, cogging torque, induced flux linkage, power estimation) of the mentioned generators. This analysis focus on the effect of the double layer armature winding, which is an interested methodology to mitigate the Fourier harmonics for induced Electro-Motive Force (EMF), and to minimize the cogging torque for both machines.","PeriodicalId":426643,"journal":{"name":"2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125616526","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
Development of Practical Guidelines and Tools for GRASS green buildings rating system 制定GRASS绿色建筑评级制度的实用指引及工具
2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI: 10.1109/REDEC.2018.8597591
A. Mourtada, Rayan Mourtada, Salam Eid
{"title":"Development of Practical Guidelines and Tools for GRASS green buildings rating system","authors":"A. Mourtada, Rayan Mourtada, Salam Eid","doi":"10.1109/REDEC.2018.8597591","DOIUrl":"https://doi.org/10.1109/REDEC.2018.8597591","url":null,"abstract":"Lebanon introduced in 2012 GRASS (Green Recovery and Sustainable Solutions) a building rating system that suites Lebanon’s and Southern Mediterranean countries climate, style of living, and available resources. As other Green Building Rating Systems, practical guidelines and tools are necessary to facilitate the implementation of GRASS. This paper intends to introduce the development of smart and practical GRASS guidelines and a user-friendly web page GRASS tool, based on criteria’s assessment and calculations. These guidelines and tools include the development of two Reference Guides and two Guidelines, for Residential Buildings and Non-Residential Buildings; their purpose is to establish a guidance document when submitting for the GRASS Rating System. Throughout this paper, Certification process, GRASS assessment criteria, maximum achievable scoring, GRASS Award Rating, GRASS Framework, and Credit Allocation are illustrated, as well as the GRASS tool calculation process.","PeriodicalId":426643,"journal":{"name":"2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131522140","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
Modeling, P&O MPPT and PI controls and performance analysis of PV/Energy storage hybrid power system 光伏/储能混合电力系统的建模、P&O、MPPT和PI控制及性能分析
2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI: 10.1109/REDEC.2018.8597744
Albert Ayang, M. Saad, M. Ouhrouche, R. Wamkeue
{"title":"Modeling, P&O MPPT and PI controls and performance analysis of PV/Energy storage hybrid power system","authors":"Albert Ayang, M. Saad, M. Ouhrouche, R. Wamkeue","doi":"10.1109/REDEC.2018.8597744","DOIUrl":"https://doi.org/10.1109/REDEC.2018.8597744","url":null,"abstract":"The variable nature of renewable energy sources, coupled with unpredictable changes in load, requires the simultaneous implementation of high power and high energy density storage systems. This work addresses dynamic modeling, control and performance analysis of a PV/Batteries/Ultra capacitor hybrid energy system connected to a DC load in a remote house located around the town of Rouyn Noranda (Quebec-Canada) during one day in winter period. The P&O MPPT control is used to extract the maximum power of a photovoltaic generator which is considered as the main energy source of the hybrid system. In this paper, batteries and ultra-capacitors (UC) are serving as an energy storage system (ESS) and a main source in winter period. The UC are used for facing high frequency variations of the load, such as in transient state, while the batteries are in charge of slow load/source variations. Classical control of battery current and ultra-capacitor current allows choosing the suitable storage element in order to face correctly the production/ consummation variations. Classical PI control strategy is proposed in manner to stabilize the DC bus voltage by controlling the attached DC/DC bidirectional converters. Simulations during 00 AM to 3 PM (during a snowy day) are carried out using Matlab/Simulink which confirm the good performances of the hybrid system and associated control systems.","PeriodicalId":426643,"journal":{"name":"2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114281390","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
REDEC 2018 2018 Committees
2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI: 10.1109/redec.2018.8597931
{"title":"REDEC 2018 2018 Committees","authors":"","doi":"10.1109/redec.2018.8597931","DOIUrl":"https://doi.org/10.1109/redec.2018.8597931","url":null,"abstract":"","PeriodicalId":426643,"journal":{"name":"2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122730034","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
Improved control method of HVAC system for Demand Response 改进的暖通空调系统需求响应控制方法
2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI: 10.1109/REDEC.2018.8597709
Nivine Abou Daher, Mary-jo Lattouf, I. Mougharbel, M. Saad, H. Kanaan, M. Raoofat, D. Asber, Javier Beltran-Galindo
{"title":"Improved control method of HVAC system for Demand Response","authors":"Nivine Abou Daher, Mary-jo Lattouf, I. Mougharbel, M. Saad, H. Kanaan, M. Raoofat, D. Asber, Javier Beltran-Galindo","doi":"10.1109/REDEC.2018.8597709","DOIUrl":"https://doi.org/10.1109/REDEC.2018.8597709","url":null,"abstract":"Demand side management (DSM) is a technical program that have the purpose of smoothing the load curve by reducing its peaks and filling its valleys, and of ancillary services and frequency regulation. Many demand response programs (DRP) are used for this purpose. The thermostatically controlled load (TCL) are the most efficient programs used for DSM and especially for ancillary services. In this work, we study the heating ventilation air conditioning (HVAC) system as one of appliances that fall under the category of TCL. In literature, the chiller power variation due to direct control of HVAC supply fan speed is not considered for DSM. This paper fills this gap and increases the participation capacity of HVAC. Therefore, the HVAC system is remodeled in order to express with more accuracy the chiller power variation. The new model relates the chilled water temperature to the leaving air temperature. Simulation results shows the improvement provided by this method.","PeriodicalId":426643,"journal":{"name":"2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131540319","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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