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2007 7th Internatonal Conference on Power Electronics最新文献

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Research of fuzzy logic-controlled smes for power system transient voltage stability 电力系统暂态电压稳定模糊逻辑控制的研究
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-12-26 DOI: 10.1109/ICPE.2007.4692528
Huang Xiao-hua, Xiao Li-ye
{"title":"Research of fuzzy logic-controlled smes for power system transient voltage stability","authors":"Huang Xiao-hua, Xiao Li-ye","doi":"10.1109/ICPE.2007.4692528","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692528","url":null,"abstract":"Superconducting Magnetic Energy Storage (SMES) is a power electronic based device with a superconducting coil that has the potential to bring essential functional characteristics to the utility transmission and distribution systems. This paper presents a new approach and corresponding experiments for fuzzy logic-controlled SMES to improve the transient voltage stability of electric power system. The SMES coil built for power utility applications has the following unique design characteristics: 0.2 H, 20 kW/100 kJ, 1 kA dc current. Based on the result of SMES prototype experience, a mathematic model of power system and SMES are adopted. A fuzzy controller is assigned. Bus voltage is taken as the input signal to fuzzy controller. The fuzzy rule-bases are designed and explained. The validity of the suggested control strategies are confirmed by simulation and experimental tests. From the results they are demonstrated that transient voltage stabilizing effect by mean of SMES was very significant.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131239034","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
Current stress minimizing control scheme for power factor correction ( PFC ) boost pre-regulator 功率因数校正(PFC)升压预调节器电流应力最小化控制方案
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-22 DOI: 10.1109/ICPE.2007.4692533
Hee-Chul Lee, Chong-Eun Kim, Hong-Sun Park, Ki-Bum Park, G. Moon
{"title":"Current stress minimizing control scheme for power factor correction ( PFC ) boost pre-regulator","authors":"Hee-Chul Lee, Chong-Eun Kim, Hong-Sun Park, Ki-Bum Park, G. Moon","doi":"10.1109/ICPE.2007.4692533","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692533","url":null,"abstract":"A simple technique for PFC circuit is presented using UC3854. This technique is about current peak controlling by a reference current generator. Decreased peak currents of the boost pre-regulator reduce circuit current stress and so rated currents of circuit elements are minimized. Simulation and experimental results will verify the viability of the new scheme.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"130 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130137959","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
Thermal analysis of PT IGBT by using ANSYS 利用ANSYS对PT IGBT进行热分析
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692348
Sehwan Ryu, D. Han, H. Ahn, M. El Nokali
{"title":"Thermal analysis of PT IGBT by using ANSYS","authors":"Sehwan Ryu, D. Han, H. Ahn, M. El Nokali","doi":"10.1109/ICPE.2007.4692348","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692348","url":null,"abstract":"As the power density and switching frequency increase, thermal analysis of power electronics system becomes imperative. The analysis provides valuable information on the semiconductor rating, long-term reliability and efficient heat-sink design. In this paper, the thermal model and thermal distribution of discrete insulated gate bipolar transistor with non heat-sink and heat-sink has been studied. For analysis of thermal distribution, we obtained results by using finite element simulator, ANSYS and compared with experimental data.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126076003","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
A low cost and high reliability control scheme in parallel operation for 400Hz power supply 一种400Hz电源并联运行的低成本、高可靠性控制方案
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692522
S. Joung, D. Hyun
{"title":"A low cost and high reliability control scheme in parallel operation for 400Hz power supply","authors":"S. Joung, D. Hyun","doi":"10.1109/ICPE.2007.4692522","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692522","url":null,"abstract":"In this paper, a low cost and high reliability control scheme is proposed for 400 Hz UPS system operated in parallel.The proposed control scheme is consisted of two parts which are synchronization and load sharing control. The synchronization control is achieved by discrete logic ICs and analog circuit. The load sharing control is realized by current transformers (CTs) without any controller. Therefore, this proposed control scheme is rather simple and the cost may be decreased, compared with control scheme using expensive controller such as DSP and CAN. The practical feasibility of the proposed control scheme is proved by simulation.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126605824","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
Discrete-time model following control for PWM inverter with Electric Double Layer Capacitor 双层电容PWM逆变器的离散时间模型跟踪控制
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692365
S. Suzuki, T. Haneyoshi
{"title":"Discrete-time model following control for PWM inverter with Electric Double Layer Capacitor","authors":"S. Suzuki, T. Haneyoshi","doi":"10.1109/ICPE.2007.4692365","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692365","url":null,"abstract":"In a single phase inverter, momentary power pulsate with double frequency of the output. In the case of UPS with single phase inverter, it causes the fact that DC input voltage to inverter is pulsated and output voltage is distorted.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126720829","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
Energy storage technology markets and application’s: ultracapacitors in combination with lithium-ion 储能技术市场及应用:与锂离子电池相结合的超级电容器
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692343
J. Miller
{"title":"Energy storage technology markets and application’s: ultracapacitors in combination with lithium-ion","authors":"J. Miller","doi":"10.1109/ICPE.2007.4692343","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692343","url":null,"abstract":"Ultracapacitors are becoming widely accepted in the energy storage industry in both standalone and in combination with batteries. Standalone applications, once niche, are now rapidly expanding as the technical and economic benefits of this power dense component become more widely understood. Combination examples continue to proliferate, primarily in battery electric and hybrid electric commercial transportation segments such as transit buses and trains. The ultracapacitor offers a fast energy buffer to advanced chemistry energy reservoirs such as nickel metal hydride and lithium batteries and offer an opportunity for truly energy optimized battery systems. This presentation will discuss trends in energy storage systems, advanced chemistry batteries such as nickel-hydrogen and lithium-ion and why such components would benefit from working in combination with carbon capacitors. The presentation will focus on the strengths and weakness of each technology and why the active parallel combination of ultracapacitor plus electronic converter with the lithium-ion battery is a complimentary and synergistic alternative.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114909116","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: 41
Electrical interfaces compatibility analysis for the COMS EPS COMS EPS的电接口兼容性分析
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692402
J. Koo, Eui-Chan Kim
{"title":"Electrical interfaces compatibility analysis for the COMS EPS","authors":"J. Koo, Eui-Chan Kim","doi":"10.1109/ICPE.2007.4692402","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692402","url":null,"abstract":"The COMS (communication, ocean and meteorological satellite) EPS (electrical power subsystem) is derived from an enhanced Eurostar 3000. The COMS EPS can offer a bus power capability of 3 kW. The aim of this analysis is to verify the electrical compatibility of the interfaces which exist between COMS EPS equipments and external equipments. For each interface, this study checked the compatibility between equipments for the power links, commands, digital telemetry, analog telemetry and failure condition. In addition with this interface compatibility verification, this study outputs electrical and manufacturing constraints to be applied at harness level.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115199671","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 novel grid-connected PV PCS with new high efficiency converter 一种新型高效变换器并网光伏PCS
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692433
B. Min, J. Lee, Jong-Hyun Kim, Tae-Jin Kim, D. Yoo, Kang Ryoul Ryu, Jung Joong Kim, E. Song
{"title":"A novel grid-connected PV PCS with new high efficiency converter","authors":"B. Min, J. Lee, Jong-Hyun Kim, Tae-Jin Kim, D. Yoo, Kang Ryoul Ryu, Jung Joong Kim, E. Song","doi":"10.1109/ICPE.2007.4692433","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692433","url":null,"abstract":"In this paper, new topology is proposed that can dramatically reduce the converter power rating and increase the efficiency of total PV system. Since the output voltage of PV module has very wide voltage range, in general, the DC/DC converter is used to get constant high DC voltage. According to analysis of PV characteristics, in proposed topology, only 20% power of total PV system power is needed for DC/DC converter. DC/DC converter used in proposed topology has flat efficiency curve at all load range and very high efficiency characteristics. The total system efficiency is the product of that of converter and that of inverter. In proposed topology, because the converter efficiency curve is flat all load range, the total system efficiency at the low power range is dramatically improved. The proposed topology is implemented for 200 kW PCS system. This system has only three DC/DC converters with 20 kW power rating each other. It is only one-third of total system power. The experiment results show that the proposed topology has good performance.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116544063","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: 42
Low frequency stability study of a three-phase induction motor 三相感应电动机低频稳定性研究
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692553
M. B. Uddin, M. Nuruzzaman Pramanik, S.A. Reza
{"title":"Low frequency stability study of a three-phase induction motor","authors":"M. B. Uddin, M. Nuruzzaman Pramanik, S.A. Reza","doi":"10.1109/ICPE.2007.4692553","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692553","url":null,"abstract":"A suitable volt/Hz control strategy is proposed for stability improvement in low frequency operation of induction motors fed from variable voltage and variable frequency supply. The analysis based on small scale perturbation method applied to the linearized model of state-space equations. Stability analyses are carried out through evaluation of eigen values of the linear model characteristic equation. Stability investigation shows that the simultaneous adjustment of stator voltage and frequency provides a convenient means for maintaining stability of induction motor. The results are verified by standard transient analysis method and demonstrate a very close agreement.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"514 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122953987","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
A study on optimal braking control using adhesion coefficient 基于附着系数的最优制动控制研究
2007 7th Internatonal Conference on Power Electronics Pub Date : 2007-10-01 DOI: 10.1109/ICPE.2007.4692406
Hanmin Lee, Gildong Kim, Sung-hwa Park
{"title":"A study on optimal braking control using adhesion coefficient","authors":"Hanmin Lee, Gildong Kim, Sung-hwa Park","doi":"10.1109/ICPE.2007.4692406","DOIUrl":"https://doi.org/10.1109/ICPE.2007.4692406","url":null,"abstract":"The brake systems of the rolling stocks are generally consisted of electrical and mechanical brake systems. Because of its inherent structure of the each brake system, the electrical brake system is mainly used at the high speed range while the mechanical brake system is used at the relatively lower speed range. It is desirable for the rolling stocks to apply the entire electrical brake system. However, since the brake force from electric brake system is not enough to stop the rolling stock within the legal stop distance. Therefore, the mechanical brake system is indispensable to rolling stocks. In general, the vast majority of the world trains are equipped with mechanical braking systems which use compressed air as the force to push block on to wheels or pads on to discs. These mechanical systems are known as air brake or pneumatic brakes. For the air brake system, basically huge scale air compressor is equipped and the long pipe line is complexively connected. Since mass of these air brake components, it is difficult to be a light weight equipment and the long pipe line raise the maintenance problem. In order to overcome these problems of air brake system, the hydraulic brake system is proposed in this research. The hydraulic brake system makes the whole weight of brake equipment be light and large braking force can be applied. Therefore, in this research, the optimal control using adhesion coefficient to apply the hydraulic brake system is reviewed.","PeriodicalId":227237,"journal":{"name":"2007 7th Internatonal Conference on Power Electronics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122122781","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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