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International Journal of Electrical Energy最新文献

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Thermal Degradation of Poly Methy Methacrylate (PMMA) Doped with Optically Active Molecules/Applications in Photovoltaic Conversion 掺杂光活性分子的聚甲基丙烯酸甲酯(PMMA)的热降解及其在光伏转换中的应用
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.4.209-212
M. Ayad, M. Fathi
{"title":"Thermal Degradation of Poly Methy Methacrylate (PMMA) Doped with Optically Active Molecules/Applications in Photovoltaic Conversion","authors":"M. Ayad, M. Fathi","doi":"10.18178/IJOEE.4.4.209-212","DOIUrl":"https://doi.org/10.18178/IJOEE.4.4.209-212","url":null,"abstract":"In this work we develop the idea of using a Poly Methyl Methacrylate (PMMA) polymer doped with optically active molecules such as photovoltaic encapsulation materials wholes ensuring concentration of photons in the region where there is a high spectral response of solar cells by the Luminescent Down Shift (LDS) system. The results showed that the short-circuit current increased by 9%. These solar energy conversion systems are subject to a set of constraints upon exposure to environmental conditions, these processes have adverse effects on the long-term performance. The resistance of the doped PMMA an increase temperature was tested by Raman spectroscopy in the presence of a temperature rise of controlled system (DSC), the effect of some cycles of increasing in temperature on the optical properties of PMMA (Absorption, transmission and fluorescence) were presented. Moreover, the effect of this treatment in the LDS/c-Si solar cell performance was studied. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"52 1","pages":"209-212"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89813981","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
Implementation and Experimental Results of the New Thermo-Hydraulic CAPILI Pilot 新型热液CAPILI试验装置的实现与实验结果
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.1.32-36
H. Semmari, D. Stitou, S. Mauran
{"title":"Implementation and Experimental Results of the New Thermo-Hydraulic CAPILI Pilot","authors":"H. Semmari, D. Stitou, S. Mauran","doi":"10.18178/IJOEE.4.1.32-36","DOIUrl":"https://doi.org/10.18178/IJOEE.4.1.32-36","url":null,"abstract":"After modeling and evaluating performances of the new thermo-hydraulic process “CAPILI” in the previous work, we are proposing the implementation of the first CAPILI experimental pilot in order to check the real behavior of the new patented process for a specific residential application. The obtained experimental results are extremely useful and will be harnessed in future works for analytical development of hydraulic motor resistance. Then, the validation and the calibration of the simulation method, which has been used to evaluate CAPILI performance for OTEC application, are checked. So, the CAPILI pilot will be described first. Then, experimental results will be presented and discussed.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"58 1","pages":"32-36"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89560632","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
Study for Designing Power Trading System in High Voltage Power Receiving Apartment Complex Considering Economy and CO2 Emission 考虑经济性和CO2排放的高压接电公寓楼电力交易系统设计研究
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/ijoee.4.4.213-216
K. Maeda, R. Matsuhashi, Kyoko Minokawa, Hiroko Otsu
{"title":"Study for Designing Power Trading System in High Voltage Power Receiving Apartment Complex Considering Economy and CO2 Emission","authors":"K. Maeda, R. Matsuhashi, Kyoko Minokawa, Hiroko Otsu","doi":"10.18178/ijoee.4.4.213-216","DOIUrl":"https://doi.org/10.18178/ijoee.4.4.213-216","url":null,"abstract":"","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"150 1","pages":"213-216"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86134700","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
Review: Grid-Connected Inverter with Its Filter and Providing Suggestions for Designing a Transformerless Inverter 综述:带滤波器并网逆变器及对无变压器逆变器设计的建议
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.3.174-178
A. Algaddafi, K. Elnaddab, M. Khoja
{"title":"Review: Grid-Connected Inverter with Its Filter and Providing Suggestions for Designing a Transformerless Inverter","authors":"A. Algaddafi, K. Elnaddab, M. Khoja","doi":"10.18178/IJOEE.4.3.174-178","DOIUrl":"https://doi.org/10.18178/IJOEE.4.3.174-178","url":null,"abstract":"The grid-connected inverter is the interconnect between a renewable energy source such as the wind and solar power and the grid. There are two types of the gridconnected inverter based on the transformer. These are called the transformerless inverter and isolated inverter. The former is a smaller size and weight; however, the one limitation of this inverter is a leakage current problem. The latter has the advantage of being applicable in isolated locations, but it suffers from high cost and significant weight. In general, the grid-connected inverter has required a filter to mitigate the harmonic components and produce a perfect sinusoidal waveform. But this filter should be properly selected, whether the L filter or LCL filter. This paper reviews the previous studies on the grid-connected inverter and highlights the limitations from the literature’s point of view. Finally, suggestions and recommendations for designing the filter and an optimal control for the gridconnected inverter are presented with extensive and indepth detail. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"22 1","pages":"174-178"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80407071","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
An Optimally Controlled Variable Output Wound Rotor Synchronous Machine 一种最优控制的变输出绕线转子同步电机
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.1.54-61
J. Owuor, J. Munda, A. Jimoh
{"title":"An Optimally Controlled Variable Output Wound Rotor Synchronous Machine","authors":"J. Owuor, J. Munda, A. Jimoh","doi":"10.18178/IJOEE.4.1.54-61","DOIUrl":"https://doi.org/10.18178/IJOEE.4.1.54-61","url":null,"abstract":"This paper presents analytical and simulation results for a wound rotor synchronous machine in variable speed, variable output applications. To enable efficient control, an optimized LQR strategy is employed. For secure power supply to the loads, the machine only operates in the generating mode. The concept presented provides great flexibility in operation of the synchronous machine and is suitable for small hydropower and wind generation applications. The method enhances efficiency in the control of synchronous generators. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"23 1","pages":"54-61"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84717136","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
Study on Voltage Control Method of AC Filter Banks in HVDC Project 高压直流工程中交流滤波器组电压控制方法的研究
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.1.71-74
Yilong Huang, P. Zhong, Yangzheng Wang, Shuyong Li
{"title":"Study on Voltage Control Method of AC Filter Banks in HVDC Project","authors":"Yilong Huang, P. Zhong, Yangzheng Wang, Shuyong Li","doi":"10.18178/IJOEE.4.1.71-74","DOIUrl":"https://doi.org/10.18178/IJOEE.4.1.71-74","url":null,"abstract":"The single-phase voltage of the AC bus in converter station is applied to control AC filter voltage in Xiluodu HVDC project, the accuracy and reliability are not as good as the three-phase voltage of the multiple-way AC filter banks. This paper presents a new method for controlling AC filter voltage, abnormal bus voltage of AC filter banks are divided into three cases: bus bar not charged, bus voltage over-limit and bus voltage deviation. According to the anomaly type and selection priority of AC filter voltage, a more reasonable AC filter voltage is chose as the output value of AC filter voltage controller. Simulation results show that the application of a new AC filter voltage control method can correctly select the AC filter bus voltage, and avoid the abnormal measurement of AC filter banks voltage which may lead to the unusual switching on/off of AC filters. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"2 1","pages":"71-74"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85039867","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
Data Analysis of Spanish Electrical Grid System 西班牙电网系统数据分析
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.1.62-66
H. Chin, R. Abe
{"title":"Data Analysis of Spanish Electrical Grid System","authors":"H. Chin, R. Abe","doi":"10.18178/IJOEE.4.1.62-66","DOIUrl":"https://doi.org/10.18178/IJOEE.4.1.62-66","url":null,"abstract":"Spanish electrical system is one of most successful cases for electric power generation from renewable energy sources such as the wind and solar. In order to reveal the key points for the introduction of renewable energy in the electrical grid, we performed the statistical analysis of the composition of Spanish the power sources. Based on the Spanish power generation and demand, as well as the type of power source by area, we analyzed the error in demand forecast made by REE. Furthermore, we performed a Cross-correlation analysis for the time series of energy source data. As a result, we could understand buffering systems like International Power Interchange are inevitable for a high percentage of unstable renewables and unpredictable demand. One way to reduce the burden for the power grid is to construct segmented grids, and in this way improve the demand response balance within the gird.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"7 1","pages":"62-66"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79049940","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
Nonlinear Control of a Grid-Connected Double Fed Induction Generator Based Vertical Axis Wind Turbine: A Residential Application 基于垂直轴风力发电机并网双馈感应发电机的非线性控制:住宅应用
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.4.221-226
Ridha Cheikh, H. Belmili
{"title":"Nonlinear Control of a Grid-Connected Double Fed Induction Generator Based Vertical Axis Wind Turbine: A Residential Application","authors":"Ridha Cheikh, H. Belmili","doi":"10.18178/IJOEE.4.4.221-226","DOIUrl":"https://doi.org/10.18178/IJOEE.4.4.221-226","url":null,"abstract":"This paper proposes a robust nonlinear feedback control approach of a residential Savonuis Vertical Axis Wind Turbine (VAWT) based on Double Fed Induction Generator (DFIG) and connected to a powerful grid. However, as the studied system is non linear, it is difficult to be controlled using such traditional methods. Thus, in order to achieve an instantaneous control of both stator active and reactive powers flow, the aim of this approach is to control the Rotor Side Converter (RSC) using a robust non-linear feedback control scheme, in which, a robust control law based on Lyapunov theory associated with a sliding mode controller is used to handle the issue of parameters uncertainty and to guarantee a global asymptotic stability of the system. The proposed approach has been evaluated by simulation results using MATLAB/Simulink. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"18 1","pages":"221-226"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84444725","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
Fuzzy Control for Solar Photovoltaic Tracking System 太阳能光伏跟踪系统的模糊控制
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.2.133-136
M. Mauledoux, Edilberto Mejía-Ruda, A. Valencia, Oscar I. Caldas, Oscar Avilés, Ferney Medina
{"title":"Fuzzy Control for Solar Photovoltaic Tracking System","authors":"M. Mauledoux, Edilberto Mejía-Ruda, A. Valencia, Oscar I. Caldas, Oscar Avilés, Ferney Medina","doi":"10.18178/IJOEE.4.2.133-136","DOIUrl":"https://doi.org/10.18178/IJOEE.4.2.133-136","url":null,"abstract":"The worldwide use of renewable energies sources is steadily growing, due to demand to get new means that allows the support of massive use that it give in the common life, with the final purpose of decrease the use of nature reserve to produce it, in this case is exhibited the necessity to create systems to generated resources in an efficient way, using unlimited power infeed, as example we found the solar energy. This work shows the results obtained by perform a comparative analysis between the static behaviors and the design of a fuzzy logic controller for solar photovoltaic tracking system, defining the photovoltaic position from the maximum solar irradiation presented in 90 degrees; for verification of the result obtained by the controller, we make de simulation of a solar irradiation based in the data of the weather station of the Corporación Autónoma Regional de Cundinamarca (CAR), situated in the campus of the Nueva Granada Military university.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"41 1","pages":"133-136"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81534623","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
Operation and Control of 850kW Doubly Fed Induction Generators Based Al-Zafarana Egyptian Wind Farm 埃及Al-Zafarana风电场850kW双馈感应发电机运行与控制
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.2.112-121
K. El-Sayed, D. Ibrahim, E. El-zahab
{"title":"Operation and Control of 850kW Doubly Fed Induction Generators Based Al-Zafarana Egyptian Wind Farm","authors":"K. El-Sayed, D. Ibrahim, E. El-zahab","doi":"10.18178/IJOEE.4.2.112-121","DOIUrl":"https://doi.org/10.18178/IJOEE.4.2.112-121","url":null,"abstract":"With increasing global great concern over greenhouse gas emissions and their harmful effects on environment, huge number of wind turbines are recently connected to electrical grids. Nowadays, Egypt has continuous development of wind energy projects; it makes a great effort at Gulf of Suez area especially in Al-Zafarana district. This paper focuses on studying the dynamic performance of the 5 phase of Al-Zafarana wind farm, which is made of 100 Gamesa G52/850kW Doubly Fed Induction Generator (DFIG) machines, using Digsilent/PowerFactory simulation tool as an advanced simulation package. As DFIG is currently one of the most common types employed for Wind Energy Conversion System (WECS), the paper also implements a dynamic model for 850kW DFIG machine based WECS in Matlab/Simulink environment. A dual reference frame control strategy is applied here to improve the dynamic system performance during balanced and unbalanced grid voltage conditions. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"822 1","pages":"112-121"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87291381","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
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