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Analysis of a PV system with single-axis tracking energy production and performances 单轴跟踪光伏发电系统的产能及性能分析
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036366
R. Faranda, M. Gualdoni, S. Leva, M. Monaco, A. Timidei
{"title":"Analysis of a PV system with single-axis tracking energy production and performances","authors":"R. Faranda, M. Gualdoni, S. Leva, M. Monaco, A. Timidei","doi":"10.1109/ICCEP.2011.6036366","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036366","url":null,"abstract":"This paper presents some results of a performance analysis of a PV-plant located in Tuscania (Latium - Italy) with a single axis tracking based on performance ratio and transposition factor indices. The data are collected by in site monitoring system with reference to the period from 01/06/2009 to 31/05/2010.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121370715","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: 13
Feasibility study on power consumption control of desalination plant with mechanical restrictions 机械约束下海水淡化厂用电控制的可行性研究
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036268
Y. Onda, M. Imanaka, T. Yoshihara, J. Baba, A. Yokoyama, Y. Kuniba, N. Higa, S. Asato
{"title":"Feasibility study on power consumption control of desalination plant with mechanical restrictions","authors":"Y. Onda, M. Imanaka, T. Yoshihara, J. Baba, A. Yokoyama, Y. Kuniba, N. Higa, S. Asato","doi":"10.1109/ICCEP.2011.6036268","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036268","url":null,"abstract":"It is proposed that the seawater desalination system as a controllable load for compensating the power fluctuation caused by renewable energy in small island power system. For controlling the power consumption of the system, the system modeling is needed. In this paper, the high pressure pump and the RO membrane are modeled, and the accuracy of that model is discussed. In addition, it is necessary to make it clear the boundary condition of the upper and lower limitation of the power consumption of the system. The boundary condition derived from the mechanical restriction of using RO membranes is discussed through modeling and experiment.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121556191","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
Eddy current losses reduction in fractional slot concentrated winding PM generators for More Electric Engine application 减少分数槽集中绕组永磁发电机的涡流损耗
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036336
A. Cavagnino, A. Miotto, A. Tenconi, S. Vaschetto
{"title":"Eddy current losses reduction in fractional slot concentrated winding PM generators for More Electric Engine application","authors":"A. Cavagnino, A. Miotto, A. Tenconi, S. Vaschetto","doi":"10.1109/ICCEP.2011.6036336","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036336","url":null,"abstract":"The aerospace trend is towards the More Electric Aircraft (MEA), which consists in the progressive electrification of the main on-board systems and services. The resulting increase of the aircraft electrical loading involves significant implications for on-board electrical generation systems, realizing the so-called More Electric Engine (MEE). In the MEE concept the electrical generators are integrated inside the main gas turbine engine to generate electrical power. In the paper the magnet losses of a surface mounted Permanent Magnet (PM) generator with non-overlapping fractional-slot concentrated windings, positioned in the front stage of the gas turbine engine, are evaluated. The benefits of the magnet segmentation aimed to the machine rotor losses reduction are investigated by means of a Finite Element Method analyses. The permanent magnet segmentation effects on machine performance and cogging torque are put in evidence too.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115661244","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: 6
Design procedures of lithium-ion battery systems: The application to a cable railway 锂离子电池系统设计程序:在电缆铁路上的应用
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036265
M. Conte, F. Vellucci, M. Pasquali
{"title":"Design procedures of lithium-ion battery systems: The application to a cable railway","authors":"M. Conte, F. Vellucci, M. Pasquali","doi":"10.1109/ICCEP.2011.6036265","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036265","url":null,"abstract":"The paper reports about a study that ENEA has been carrying out on the use of a storage system, composed by lithium batteries, in a cable railway plant, by presenting the design phase and the starting field tests. Following a preliminary study on a complete lithium-ion battery system, a cable railway of significant experimental interest was identified with the aim to verify the reduction in power demand and energy consumption, with related increase of overall energy efficiency, by recuperating braking energy. On the base of simulations and experimental data, but also logistic and practical reasons, a commercial battery system was chosen, bought and evaluated firstly by preliminary tests and then under the real working conditions. The experimental activity confirmed the used design procedure and the reliability of the battery management system. In addition, it gave indication about the thermal management, which suggested some changes in the final design. According to this design review process, ENEA modified the battery system to optimize the thermal dissipation by doubling the capacity and venting the cells.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"44 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131274320","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
Impact of wind power integration in the context of transmission systems adequacy studies with economic dispatch: Application to the Belgian case 经济调度下输电系统充分性研究背景下风电整合的影响:比利时案例的应用
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036320
F. Vallée, F. Vallée, J. Lobry, O. Deblecker
{"title":"Impact of wind power integration in the context of transmission systems adequacy studies with economic dispatch: Application to the Belgian case","authors":"F. Vallée, F. Vallée, J. Lobry, O. Deblecker","doi":"10.1109/ICCEP.2011.6036320","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036320","url":null,"abstract":"In this paper, a strategy is proposed in order to introduce in a realistic way wind generation into a HLII (bulk power system) non sequential Monte Carlo adequacy study with economic dispatch. Thanks to the implemented solution, wind generation is consequently confronted to operational constraints related to high powered thermal units, nuclear parks or thermal machines with technical minimum value. Moreover, during each simulated system state, a DC load flow is also calculated in order to evaluate reinforcements optimizing the large scale integration of wind power production. The simulation tool modified during the present work is called Scanner© and is the property of Tractebel Engineering (Gaz de France - Suez) company. Finally, in order to fully access the large offshore wind potential in the North Sea, the proposed simulation tool has been used to evaluate the onshore reinforcements required in the Belgian transmission network.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127164927","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
Numerical tools for lightning return stroke current reconstruction by electromagnetic inverse problem formulation 用电磁反问题公式重建雷电回击电流的数值工具
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036299
A. Ceclan, V. Topa, D. Micu, O. Miron, L. Czumbil
{"title":"Numerical tools for lightning return stroke current reconstruction by electromagnetic inverse problem formulation","authors":"A. Ceclan, V. Topa, D. Micu, O. Miron, L. Czumbil","doi":"10.1109/ICCEP.2011.6036299","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036299","url":null,"abstract":"An inverse problem is proposed for the identification of the lightning return stroke current, from the electro-magnetic fields that occur. The approach deals with Fredholm integral equations of the first kind and with an improved regularization procedure based on a spatial and time dependent harmonic reconstruction of the lightning current. All the preliminary evaluations appear to be in good agreement with the actual characterization models for return current of the lightning; moreover the precision as regarded to the effect is considerably improved.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121669520","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
Recent advances on AC PV-modules for grid-connected Photovoltaic plants 并网光伏电站用交流光伏组件研究进展
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036365
R. Carbone, A. Tomaselli
{"title":"Recent advances on AC PV-modules for grid-connected Photovoltaic plants","authors":"R. Carbone, A. Tomaselli","doi":"10.1109/ICCEP.2011.6036365","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036365","url":null,"abstract":"The paper provides an overview on Photovoltaic (PV) AC-modules, among typical PV-modules which only produce DC output. A novel approach for designing of a new AC PV-module is also presented and discussed, being an other goal of the paper that of introducing an innovative AC PV-module simply based on a conventional DC PV-module and on a micro and distributed energy storage system. PV-plants endowed by AC PV-modules have several advantages over conventional PV-plants: lower generation losses caused by unequal PV-module generation, higher degree of flexibility in the planning and installation of PV-modules, lower price due to the economy of mass production of AC PV-modules, lower minimum system size (and hence lower barrier to the PV market entry), superior ability to site individual modules without concerning for partial shading and other kinds of mismatching conditions; furthermore, installation is safer because there are no high-voltage DC-bus connections. Based on previous researches on distributed energy storage for grid-connected photovoltaic plants, the basic idea for introducing a new AC PV-module is that of connecting a certain number of rechargeable batteries in parallel to a specifically designed number of PV-cells, according to a criterion of maximizing the PV-module generated energy and the number of voltage levels that we want to physically get as input for a multilevel inverter that is proposed to be mounted on the backside of the new AC PV-module. The use of a multilevel inverter technology introduce many advantages with respect to conventional PWM inverters: a greater efficiency, a greater reliability, a lower harmonic pollution on the AC output voltage and so on. To confirm the effectiveness of the proposed idea, the circuit configuration of the introduced AC PV-module and its operating principle are numerically tested by means of some Pspice simulations, performed under ideal operating conditions of batteries.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126639092","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: 30
Better performance for shunt active power filters 性能更好的并联有源电源滤波器
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036329
M. Shousha, S. Zaid, O. Mahgoub
{"title":"Better performance for shunt active power filters","authors":"M. Shousha, S. Zaid, O. Mahgoub","doi":"10.1109/ICCEP.2011.6036329","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036329","url":null,"abstract":"This paper proposes a time domain harmonic detection technique which is an improved a-b-c reference frame formula based upon the p-q theory with a positive sequence detector to solve the problem of bad performance of shunt active power filters (SAPF) under non-ideal mains. The improved formula needs fewer calculations than the conventional p-q theory. Moreover, it is very easy to implement this algorithm in a digital signal processor (DSP). Also the proposed method is compared to three detection algorithms which are the instantaneous reactive power theory (IRPT), synchronous reference frame (SRF), and synchronous detection method (SDM). The simulation results show better performance of the shunt active power filter with the proposed algorithm.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114205159","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: 5
Power converter for vertical axis micro-wind generators 垂直轴微型风力发电机的功率变换器
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036303
Alberto Causo, G. Dall'Aglio, Andrea Sala, A. Salati
{"title":"Power converter for vertical axis micro-wind generators","authors":"Alberto Causo, G. Dall'Aglio, Andrea Sala, A. Salati","doi":"10.1109/ICCEP.2011.6036303","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036303","url":null,"abstract":"This paper presents a bidirectional DC-DC converter for small Vertical Axis Wind Turbines (VAWT) for naval application. VAWT are better suited to naval applications, compared to common Horizontal Axis Wind Turbines (HAWT). VAWT can capture the wind from any direction without needing to be directly pointed to the wind. Moreover, the direct drive generator can be placed at the base of the wind turbine, so there is no need for a nacelle. VAWT operate efficiently at lower tip-speed ratio (TSR), therefore being quieter than HAWT. Among VAWT, Darrieus turbine has better efficiency but it is not self-starting. To allow the start-up of the wind turbine, a bidirectional DC-DC converter, linked with an active bridge, is required. As high efficiency is required for energy conversion, therefore a synchronous buck/boost converter topology is chosen. A prototype was built and tested on a dedicated test bed to simulate the wind turbine behavior.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"177 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114309122","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: 6
Considerations on boost inductor design in back-to-back converters for renewable energy 可再生能源背靠背变流器升压电感设计的思考
2011 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2011-06-14 DOI: 10.1109/ICCEP.2011.6036327
M. Fioretto, P. Ladoux, P. Marino, G. Raimondo, L. Rubino, N. Serbia
{"title":"Considerations on boost inductor design in back-to-back converters for renewable energy","authors":"M. Fioretto, P. Ladoux, P. Marino, G. Raimondo, L. Rubino, N. Serbia","doi":"10.1109/ICCEP.2011.6036327","DOIUrl":"https://doi.org/10.1109/ICCEP.2011.6036327","url":null,"abstract":"In this paper, considerations on converter inductor design in PWM back-to-back converter based on Synchronous Active Front End (SAFE) are discussed. This is considered one of the most efficient converter topology that successfully manages the hard trade-off between high power size and power quality requirements at the Point of Common Coupling (PCC). In renewable energy, in wind farm, this trade-off is getting harder due to the increasing size of generators. Despite all converter design parameters influence the performances in terms of harmonic generation, especially the converter inductor assumes a key role. The design of the inductance is carried out evaluating an admissible range according to imposed power quality requirements and power rate desired.","PeriodicalId":403158,"journal":{"name":"2011 International Conference on Clean Electrical Power (ICCEP)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124038806","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: 13
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