International Journal on Energy Conversion最新文献_第10页

Autonomous Buildings with Electricity by Renewables 可再生能源发电的自主建筑

International Journal on Energy Conversion Pub Date : 2018-09-30 DOI: 10.15866/irecon.v6i5.15919

G. Prodromidis, Evangelos Tsiaras, F. Coutelieris

引用次数: 0

Flashover and Back-Flashover Analysis with Lightning Strokes of 69 kV and 24 kV Lines in Thailand Using ATP/EMTP 用ATP/EMTP分析泰国69千伏和24千伏线路雷击的闪络和反闪络

International Journal on Energy Conversion Pub Date : 2018-07-31 DOI: 10.15866/IRECON.V6I4.15253

H. Swalehe, V. Pius, B. Marungsri

{"title":"Flashover and Back-Flashover Analysis with Lightning Strokes of 69 kV and 24 kV Lines in Thailand Using ATP/EMTP","authors":"H. Swalehe, V. Pius, B. Marungsri","doi":"10.15866/IRECON.V6I4.15253","DOIUrl":"https://doi.org/10.15866/IRECON.V6I4.15253","url":null,"abstract":"Lightning is the principal source of disturbance in power system leading towards outages and damage of expensive equipment in the electrical power network. Induction of disastrous voltages across string insulators from the lightning that causes flashovers and back flashovers have been the major study in recent researches. Efficient parameterization of lightning and it is associated with behavior provides a significant knowledge towards successful operation of the electrical network. Therefore, this work studies the effects of flashover and back flashover affected by negative lightning (single and double) strokes in the operation of 69 kV sub-transmission line and 24kV distribution line of Metropolitan Electricity Authority, Thailand. Seven poles spanning 24 km were considered in this study. Lightning was initiated at the vertex of the fourth pole and mid-span of the third and fourth pole, and investigations were carried out by lightning magnitude and multiplicity when it hits an overhead ground wire (OHGW) and phase A of the 69 kV line by using ATPDraw. Results showed that negative lightning stroke of -34 kA and above could induce disastrous voltages across string insulators that leads to back flashover and flashover when hits at the top and mid-span of OHGW and phase conductor respectively. Power failure in 69 kV may cause double failure to the network since it is the main power source of 24 kV line. Consequently, a double failure may direct towards reduced reliability and extra maintenance cost of catastrophically damaged line insulators. Therefore, the concept of flashover and back-flashover can help to improve the lightning performance of MEA power lines.","PeriodicalId":37583,"journal":{"name":"International Journal on Energy Conversion","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42561362","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

Outdoor Performance Tests of a HCPV Prototype HCPV原型的室外性能测试

International Journal on Energy Conversion Pub Date : 2018-07-31 DOI: 10.15866/IRECON.V6I4.15939

Merouan Belkasmi, K. Bouziane, M. Akherraz, Mensah K. Anaty, Mohamed El ouahabi, T. Sadiki, M. Faqir

{"title":"Outdoor Performance Tests of a HCPV Prototype","authors":"Merouan Belkasmi, K. Bouziane, M. Akherraz, Mensah K. Anaty, Mohamed El ouahabi, T. Sadiki, M. Faqir","doi":"10.15866/IRECON.V6I4.15939","DOIUrl":"https://doi.org/10.15866/IRECON.V6I4.15939","url":null,"abstract":"Outdoor performance of a high concentrating photovoltaic (HCPV) system developed in this work has been investigated. In particular, the effect of three parameters namely wind speed, DNI and ambient temperature on the HCPV performance is explored. The tracking accuracy of the HCPV system is a crucial factor in the energy production related directly to the performance and closely depends on the acceptance angle of the HCPV module and the sun tracking control upon the abovementioned parameters. The acceptance angle of the HCPV module mounted on our HCPV system has been determined to be around 1.2°, deduced by studying the variation of the maximum pointing error from the solar source before the power drop. It is worth to mention that the HCPV system produces more than 94% of the excepted output power for a tracking error less than 1°. The tracking error in the range wind speed 6-8 m/s was found to reach an utmost deviation of 0.12° leading to 1% of power loss. Indeed, the outdoor tests of our HCPV prototype revealed variation of the maximum output power under different atmospheric conditions such as the ambient temperature and the direct normal irradiance (DNI). The maximum efficiency of the HCPV prototype has been determined around 23% according to a large range of DNI 0-850 W/m2. Taking into account the variation of the performance of our HCPV system versus the three parameters, The ASTM E2527 model has been implemented and its four coefficients have been determined to find the best accuracy of relationship between the three atmospheric parameters and maximum output power, simultaneously.","PeriodicalId":37583,"journal":{"name":"International Journal on Energy Conversion","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45777271","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

Mathematical and Numerical Simulation for the Production of Biogas from Liquid Effluent of Paper Pulp Mill 纸浆厂废液产沼气的数学与数值模拟

International Journal on Energy Conversion Pub Date : 2018-07-31 DOI: 10.15866/IRECON.V6I4.15744

Abdelhay Laabyech, S. Men-la-yakhaf, F. Kifani-Sahban, K. Gueraoui, I. Wahby

引用次数: 0

Hybrid Storage System Energy Management Based on a Predictive Current Controller 基于预测电流控制器的混合储能系统能量管理

International Journal on Energy Conversion Pub Date : 2018-07-31 DOI: 10.15866/IRECON.V6I4.15790

Bessedik Boubaker, Tioursi Mustapha, Khouidmi Houari

引用次数: 0

Feasibility Study of a Solar Thermal Cooling Warehouse on a Remote Area: Estimation of the Solar Thermal Collector Area and Efficiency 偏远地区太阳能制冷仓库的可行性研究：太阳能集热器面积和效率的估算

International Journal on Energy Conversion Pub Date : 2018-05-31 DOI: 10.15866/irecon.v6i3.14289

Serigne Thiao, Awa Mar, Reine Marie Ndew Diokh, C. Mbow, I. Youm

引用次数: 1

Optimal Number of Effects for Multi Effect Evaporation Seawater Desalination Process Using Solar Thermal Energy-Plate Evaporators 太阳能热-板式多效蒸发海水淡化工艺的最优效果数

International Journal on Energy Conversion Pub Date : 2018-05-31 DOI: 10.15866/IRECON.V6I3.15135

M. Ghazi, E. Essadiqi, M. Mada, M. Faqir, A. Benabdellah

{"title":"Optimal Number of Effects for Multi Effect Evaporation Seawater Desalination Process Using Solar Thermal Energy-Plate Evaporators","authors":"M. Ghazi, E. Essadiqi, M. Mada, M. Faqir, A. Benabdellah","doi":"10.15866/IRECON.V6I3.15135","DOIUrl":"https://doi.org/10.15866/IRECON.V6I3.15135","url":null,"abstract":"Seawater desalination using Multi effect-plate evaporators and solar energy is one of very promising ways to deal with fresh water shortage and pollution in the same time. Indeed, falling film plate evaporators are becoming more used in the desalination applications. This is because of their multiple advantages compared to tubular evaporators such as high heat transfer rate and low investment cost. This study presents the methodology used for sizing and optimization of plate evaporators for seawater desalination unit using multi effect evaporation and solar thermal energy. The pilot plant unit operates with hot water provided by solar vacuum tubes. The unit was designed for a production capacity of 5 to 7 m3/day of fresh water obtained from evaporation of 28 to 30% of feed seawater. The modeling equations are given at steady-state conditions and they are based on mass, heat balance and heat transfer equations, and thermodynamic and physical properties of each stream. MATLAB programming software is used to resolve the developed algorithm. This work focuses more on studying and analyzing the impact of the number of effects on the total required heat transfer area, the required thermal energy and therefore on the specific cost of water. The obtained results show that it is more beneficial to use nine effects, which gives the key solution for minimizing water production cost. The optimal design shows that the total required heat transfer area of evaporators and the last condenser is approximately equal to 42 m2 and the thermal energy needed to drive the pilot unit is about 64 kW.","PeriodicalId":37583,"journal":{"name":"International Journal on Energy Conversion","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44234664","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

Line Loss Reduction by Optimal Location of Battery Energy Storage System for the Daily Operation in Microgrid with Distributed Generations 基于分布式发电微电网日常运行的电池储能系统优化位置降低线路损耗

International Journal on Energy Conversion Pub Date : 2018-05-31 DOI: 10.15866/IRECON.V6I3.15095

Pinit Wongdet, U. Leeton, B. Marungsri

{"title":"Line Loss Reduction by Optimal Location of Battery Energy Storage System for the Daily Operation in Microgrid with Distributed Generations","authors":"Pinit Wongdet, U. Leeton, B. Marungsri","doi":"10.15866/IRECON.V6I3.15095","DOIUrl":"https://doi.org/10.15866/IRECON.V6I3.15095","url":null,"abstract":"Distributed generations (DGs) such as solar and wind generations are used as generation source in the microgrid. Due to the fluctuation of renewable energy sources, the battery energy storage system (BESS) is one of the essential components to control and improve the quality of power microgrid. However, a placement for BESS installation with minimizing line loss is one of the most concern problems. This paper aims to determine the optimal location of the BESS by using the analytical method with the line loss sensitivity index. A multi-period optimal power flow (OPF) and line loss analysis with BESS parameters were investigated considering the daily operation of a microgrid in connected mode. The simulation performed on the microgrid that wants to keep total power generation from DGs in BESS and low energy consumption from the utility. Microgrid includes 3 DGs (biomass, solar and wind turbine generators) to assess the robustness of BESS placement. The results confirmed the effectiveness of the presented method. The optimal location of BESS can reduce line power loss and power consumption from the utility.","PeriodicalId":37583,"journal":{"name":"International Journal on Energy Conversion","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48688793","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

Distribution System Reconfiguration and Capacitor Placement for Loss Reduction by Ant Colony Algorithm 基于蚁群算法的配电系统重构与电容布置

International Journal on Energy Conversion Pub Date : 2013-06-30 DOI: 10.15866/IRENA.V1I3.6640

M. Kasaei, H. Norouzi

引用次数: 0

Development of a Research Platform for Power Electronic Converter Modeling Using Decoupled Analytical Method in Real Time Digital Simulation Applications 基于解耦分析方法的电力电子变换器实时数字仿真建模研究平台的开发

International Journal on Energy Conversion Pub Date : 2013-02-28 DOI: 10.15866/IRENA.V1I1.6599

S. Umashankar, D. Vijayakumar, Mandar M. Bhalekar, Surabhi Chandra, D. Kothari

引用次数: 2