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2012 International Conference on Renewable Energy Research and Applications (ICRERA)最新文献

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Cooperative control of power system with battery and solar cell for a satellite 卫星电池与太阳能电池动力系统的协同控制
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477284
S. Nakamura, M. Iwasa, M. Nakahara
{"title":"Cooperative control of power system with battery and solar cell for a satellite","authors":"S. Nakamura, M. Iwasa, M. Nakahara","doi":"10.1109/ICRERA.2012.6477284","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477284","url":null,"abstract":"In General, the dispersed power supply system is possible to be robust and small compare with centralized power system. In the satellite system, we aim to downsize the power supply system by using the dispersed power system and cooperative control, which is constructed by solar panel and some bi-directional DC-DC converters. In this paper, we describe the evaluation results for the behavior of the parallel connected bidirectional DC-DC converters, Power interchanging between these converters and result of the cooperative control.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124382017","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
Verification of container data center using 380 V dc power distribution system 集装箱数据中心采用380v直流配电系统的验证
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477409
M. Kaga, M. Noritake, K. Hirose, M. Mino
{"title":"Verification of container data center using 380 V dc power distribution system","authors":"M. Kaga, M. Noritake, K. Hirose, M. Mino","doi":"10.1109/ICRERA.2012.6477409","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477409","url":null,"abstract":"In recent years, energy consumption has been increasing rapidly due to the increased use of Information and Communication Technology (ICT) systems. As one solution to this issue, 380 V dc power distribution systems have been attracting attention as high-efficiency and high-reliability power systems that can be used in telecommunications buildings and data centers. Against this background, we have been moving forward on the construction and demonstration of a container data center in Rokkasho, a village in Aomori Prefecture, the location of Japan's largest wind farm. In this paper, I describe an intermediate step based on the field data about power quality and efficiency of energy use of this container data center using power obtained by wind-power generation in Rokkasho.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128307611","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
H-bridge step-down converter applied proposed switching transient waveform modification to reduce specific harmonics h桥降压变换器采用所提出的开关暂态波形修改来降低比次谐波
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477256
T. Mori, H. Funato, S. Ogasawara, F. Okazaki, Y. Hirota
{"title":"H-bridge step-down converter applied proposed switching transient waveform modification to reduce specific harmonics","authors":"T. Mori, H. Funato, S. Ogasawara, F. Okazaki, Y. Hirota","doi":"10.1109/ICRERA.2012.6477256","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477256","url":null,"abstract":"Authors has proposed a new method to decrease high-frequency noise at specific frequency band with modification of switching transient slope. In this paper, new voltage feedback type VDS controller (gate driver) has proposed to realize modified switching transient to increase stability. In the step-down converter applied propose VDS controller, harmonics reduction effect is obtained about 10 dB in AM radio band. Then, output voltage and switching loss characteristics was measured on the step-down converter applied proposed method. It is verified that these characteristics are same to conventional converter. In addition, the proposed method was applied to H-bridge step-down converter for DC motor drive application. It is verified that MT-PWM is able to realize in H-bridge step-down converter without any major modification through simulations.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115072880","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
Fuzzy-PI controller design for PM wind generator to improve Fault Ride Through of wind farm 永磁风力发电机模糊pi控制器设计，提高风电场的故障穿越能力
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477384
M. Rosyadi, R. Takahashi, J. Tamura, S. Muyeen
{"title":"Fuzzy-PI controller design for PM wind generator to improve Fault Ride Through of wind farm","authors":"M. Rosyadi, R. Takahashi, J. Tamura, S. Muyeen","doi":"10.1109/ICRERA.2012.6477384","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477384","url":null,"abstract":"In this paper, application of Fuzzy-PI control for the voltage source converter based permanent magnet synchronous wind generator is proposed in order to improve Fault Ride Through (FRT) capability of wind farm including fixed speed induction generators. The membership of fuzzy logic controller is designed based on the bode diagram analysis to achieve a good stability performance of the controller system in normal and fault conditions. To evaluate the controller system capabilities, simulation analyses are performed on a model system composed of two wind farms connected to an infinite bus. Simulation results by PSCAD/EMTDC show that the proposed controller is very effective to improve the FRT of wind farm during fault in the grid system.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129710556","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: 27
Monitoring parameters of synchronous motor via internet 通过网络监测同步电机参数
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477346
R. Bayindir, S. Vadi
{"title":"Monitoring parameters of synchronous motor via internet","authors":"R. Bayindir, S. Vadi","doi":"10.1109/ICRERA.2012.6477346","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477346","url":null,"abstract":"In this study, an experimental application has been improved for three phase synchronous motor including observation and control the motor speed by adjusting the frequency. A DAQ (Data Acquisition Card) has been used in the system as controller. Interface program has been prepared in Visual C#.NET platform which has more visual components and provides data exchange safely. Thanks to this interface program, users can easily observe most parameters of synchronous motor such as current, voltage, power factor, frequency, torque and speed. Furthermore, start-stop operations of the motor, frequency and speed control by a frequency convertor can be achieved as computer controlled. Thus, an interactive educational set is obtained that shows frequency-speed relation of three phase synchronous motor over a visual interface.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129715297","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
A high head pumped storage power plant rehabilitation project 某高水头抽水蓄能电站改造工程
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477312
K. Nakamura, T. Shigenobu, S. Harada, T. Muraki
{"title":"A high head pumped storage power plant rehabilitation project","authors":"K. Nakamura, T. Shigenobu, S. Harada, T. Muraki","doi":"10.1109/ICRERA.2012.6477312","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477312","url":null,"abstract":"This paper presents the development of hydraulic performance in a high head Francis pump-turbine runner which is adopted at pumped storage power plant. In order to achieve the improvements of turbine efficiency, pump efficiency and cavitation performance for turbine and pump mode throughout a wide operating range, a new runner was designed by the latest Computational Fluid Dynamics (CFD) analysis. The validity of the new design method was evaluated by the model performance tests and this model is going to be adopted the prototype pump-turbine plant “Ohira Pumped Storage Power Plant” for Kyushu Electric Power Co., Inc.. The total maximum pump head is 546m and maximum turbine output is 256MW. The results were confirmed that the optimized runner presented extremely better anti-cavitation and high efficiency performance at both operation modes compared with the existing design runner.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130811247","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
Grinding of microgrooves in cemented carbide dies Influence of grinding conditions on groove shape accuracy 硬质合金模具微沟槽磨削条件对沟槽形状精度的影响
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477386
Y. Isokawa, Y. Maeda, K. Iwatsuka, K. Kato, H. Tanaka, T. Yazawa
{"title":"Grinding of microgrooves in cemented carbide dies Influence of grinding conditions on groove shape accuracy","authors":"Y. Isokawa, Y. Maeda, K. Iwatsuka, K. Kato, H. Tanaka, T. Yazawa","doi":"10.1109/ICRERA.2012.6477386","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477386","url":null,"abstract":"Recently, owing to the savings of resource and energy, the use of microchannel chips in micro total analysis systems has attracted attention in the medical field. Generally, microchannel chips are composed of plastic or glass. Glass is stronger than plastic in terms of heat and chemical erosion resistance. However, currently, dies for manufacturing glass microchannel chips are not viable because they are composed of cemented carbide. Therefore, in this study, for manufacturing cemented carbide microchannel chip dies, methods for forming a fine groove by grinding using an electrodeposited diamond wheel are examined. The relationships among grinding condition, surface roughness of the groove bottom face, and deviations in groove shape and depth are clarified by the results.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133959910","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 transient response of digitally controlled buck converter employing predictive PID control 采用预测PID控制改进数字降压变换器的瞬态响应
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477402
H. Tomita, T. Kuroki, T. Sato, T. Nabeshima, K. Nishijima
{"title":"Improved transient response of digitally controlled buck converter employing predictive PID control","authors":"H. Tomita, T. Kuroki, T. Sato, T. Nabeshima, K. Nishijima","doi":"10.1109/ICRERA.2012.6477402","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477402","url":null,"abstract":"This paper presents a new control technique for a digitally controlled buck converter. In the proposed method predictive PID control is employed in order to improve transient response and margin of stability. The application of the proposed method is demonstrated for the prototype buck converter. The frequency response is discussed and the transient response is examined to confirm the performance of the proposed method.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134054615","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
Optimal operation of power systems with power players 带电源播放器的电力系统的优化运行
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477457
Mengyan Wang, S. Higa, A. Yona, T. Senjyu
{"title":"Optimal operation of power systems with power players","authors":"Mengyan Wang, S. Higa, A. Yona, T. Senjyu","doi":"10.1109/ICRERA.2012.6477457","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477457","url":null,"abstract":"Due to the global warming and energy resource shortage, renewable energies such as wind generation (WG), photovoltaic (PV) facility are getting more attention in distribution systems. It is very necessary to use renewable energy with present power equipments cooperatively as it can be easily affected by the different weather conditions. Since the cost of diesel generator (DG) is high when starting up or shutting down, the electric power system should consist of small power system groups and share electric power with each other by interchanging. In this paper, the optimal method is proposed to determine the scheduling of the isolated island power system including WG, PV facility, DG, and battery energy storage system (BESS). The optimization is divided into two parts using genetic algorithm. First, the scheduling problem of DG unit commitment is decided by the revised load with the optimal operation of individual power system. Second, optimization of the electric power system group is performed by using the results of first step. The simulation results show the reduction of operational cost which confirms the feasibility and effectiveness.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"337 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134259811","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
Back-to-back converter design and control for synchronous generator-based wind turbines 同步风力发电机组背靠背变流器设计与控制
2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI: 10.1109/ICRERA.2012.6477300
L. Quéval, H. Ohsaki
{"title":"Back-to-back converter design and control for synchronous generator-based wind turbines","authors":"L. Quéval, H. Ohsaki","doi":"10.1109/ICRERA.2012.6477300","DOIUrl":"https://doi.org/10.1109/ICRERA.2012.6477300","url":null,"abstract":"We present a step-by-step method for the design and control of a full-scale back-to-back converter for wind energy conversion systems using direct-drive electrically excited synchronous generators. First the system modeling is described in details. Then the converter controllers are designed and their PI parameters are systematically calculated using the symmetrical optimum method. Finally, the performances of a 2 MW class generator connected to the grid through the obtained converter are evaluated through simulations.","PeriodicalId":239142,"journal":{"name":"2012 International Conference on Renewable Energy Research and Applications (ICRERA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134629409","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: 36
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