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A methodology to consider combined electrical infrastructure and real-time power-flow impact costs in planning large-scale renewable energy farms 一种在规划大型可再生能源农场时考虑综合电力基础设施和实时潮流影响成本的方法
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617942
S. Sukumar, M. Shankar, M. Olama, J. Nutaro, Sergey Malinchik, Barry Ives
{"title":"A methodology to consider combined electrical infrastructure and real-time power-flow impact costs in planning large-scale renewable energy farms","authors":"S. Sukumar, M. Shankar, M. Olama, J. Nutaro, Sergey Malinchik, Barry Ives","doi":"10.1109/ECCE.2010.5617942","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617942","url":null,"abstract":"The U.S federal government's strategic vision encouraging renewable energy production has motivated several new energy generation projects. Among them are large-scale renewable energy farm building efforts, where one considers the renewable resource potential along with land, equipment, and installation costs. The goal in the planning phase of these efforts is to maximize the return on investment and resource utilization. The challenge, which is specific to integrating new generation is the need to include the operational cost (both construction as well as run-time) of introducing power to the existing infrastructure. In this paper, we propose a methodology to account for and include energy transmission line proximity (a construction time cost) as well as thermal-overload, and voltage out-of-range (an infrastructure cost) factors when we plan to “tap” into an existing infrastructure. We present results for a study over regions in Texas, Kansas, Colorado, New Mexico and Oklahoma and discuss the findings.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116216197","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
Performance of a dual, 1200 V, 400 A, silicon-carbide power MOSFET module 双路，1200v, 400a，碳化硅功率MOSFET模块的性能
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618324
D. Urciuoli, R. Green, A. Lelis, D. Ibitayo
{"title":"Performance of a dual, 1200 V, 400 A, silicon-carbide power MOSFET module","authors":"D. Urciuoli, R. Green, A. Lelis, D. Ibitayo","doi":"10.1109/ECCE.2010.5618324","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618324","url":null,"abstract":"A dual 1200 V, 400 A power module was built in a half-bridge configuration using 16 silicon-carbide (SiC) 0.56 cm2 DMOSFET die and 12 SiC 0.48 cm2 JBS diode die. The module included high temperature custom packaging and an integrated liquid cooled heat sink while conforming to the footprint and pinout of a commercial dual IGBT package. Die encapsulant was not used, to allow data collection by infrared thermal imaging. The module was DC tested at currents up to 400 A and coolant temperatures up to 100 °C. Switching was evaluated in a boost converter at load power levels up to 25 kW and at frequencies up to 30 kHz with coolant temperatures up to 80 °C. Acceptable current sharing between MOSFET die was observed over the switching frequency and coolant temperature ranges. Package thermal resistances and MOSFET and diode power losses were characterized. Results were compared to those simulated for a 400 A IGBT module.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116272877","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: 20
A new excitation scheme for polyphase segmented switched reluctance motor 多相分段开关磁阻电动机的一种新的励磁方案
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618031
V. R, S. K, B. G. Fernandes
{"title":"A new excitation scheme for polyphase segmented switched reluctance motor","authors":"V. R, S. K, B. G. Fernandes","doi":"10.1109/ECCE.2010.5618031","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618031","url":null,"abstract":"Use of in-wheel motors for lighter electric vehicles (EV) is widespread. Motors commonly used for this purpose are brushless DC motors (BLDC), because of high efficiency and power density. However, motors without permanent magnets are desirable due to lower initial cost and higher reliability. Switched reluctance motor (SRM), with simple and rugged construction, is an alternative. But, SRM has lower torque to weight ratio than BLDC. The torque to weight ratio is improved by using segmented SRM (SSRM). Also, torque to weight ratio increases with number of phases. It is shown in this paper that five phase SSRM has the highest torque per volume. A new excitation strategy for this motor to reduce torque ripple is proposed. With this excitation strategy, conventional VSI can be used instead of asymmetric bridge inverter. Five phase SSRM could be an alternative to BDLC for in-wheel EV application.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121487293","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
Design of a 750,000 rpm switched reluctance motor for micro machining 微加工用750,000转/分开关磁阻电机的设计
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617801
Jacob A. Kunz, Siwei Cheng, Y. Duan, J. Mayor, R. Harley, T. Habetler
{"title":"Design of a 750,000 rpm switched reluctance motor for micro machining","authors":"Jacob A. Kunz, Siwei Cheng, Y. Duan, J. Mayor, R. Harley, T. Habetler","doi":"10.1109/ECCE.2010.5617801","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617801","url":null,"abstract":"This paper presents a detailed design process of an ultra-high speed, switched reluctance machine for micro machining. The performance goal of the machine is to reach a maximum rotation speed of 750,000 rpm with an output power of 100 W. The design of the rotor involves reducing aerodynamic drag, avoiding mechanical resonance, and mitigating excessive stress. The design of the stator focuses on meeting the torque requirement while minimizing core loss and copper loss. The performance of the machine and the strength of the rotor structure are both verified through finite-element simulations The final design is a 6/4 switched reluctance machine with a 6mm diameter rotor that is wrapped in a carbon fiber sleeve and exhibits 13.6 W of viscous loss. The stator has shoeless poles and exhibits 19.1 W of electromagnetic loss.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121539419","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: 34
Applying a novel PMU to replace the large DC bus electrolytic capacitors in Fuel Cell power generation system 新型PMU在燃料电池发电系统中取代大型直流母线电解电容器的应用
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618425
Xiao Li, Chengrui Du, Wenping Zhang, G. Shen, Dehong Xu
{"title":"Applying a novel PMU to replace the large DC bus electrolytic capacitors in Fuel Cell power generation system","authors":"Xiao Li, Chengrui Du, Wenping Zhang, G. Shen, Dehong Xu","doi":"10.1109/ECCE.2010.5618425","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618425","url":null,"abstract":"Fuel cell (FC) is considered as an attractive power source for the application of the distributed power generation system. A three-level power conversion system (PCS) for fuel cell is investigated. To suppress variation of the neutral point voltage of three-level inverter and prevent fuel cell from the low frequency current ripple under unbalanced load, a novel power management unit (PMU) and its control are proposed. It can complement the function of FC. In addition, PMU acts as DC bus capacitors, therefore the large DC bus electrolytic capacitors can be eliminated. Through analysis of low frequency current ripple flow path, the control strategy of PMU is derived. Finally, the proposed PMU with its control is verified by simulation and experiments.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121570455","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
New concept motor that uses Compound Magnet Motive Forces for EV application 采用复合磁体动力的电动汽车新概念电机
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618229
T. Shigeta, K. Akatsu, Takashi Katou
{"title":"New concept motor that uses Compound Magnet Motive Forces for EV application","authors":"T. Shigeta, K. Akatsu, Takashi Katou","doi":"10.1109/ECCE.2010.5618229","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618229","url":null,"abstract":"This paper describes the characteristics of a new concept motor which uses combined magnet motive forces for an application of Electric Vehicles. The motor is a surface type PMSM and two kinds of magnet motive forces which are called a Compound Magnet Motive Forces (CMMF) can be used by the special magnet arrangement. By adding the current to match each of the magnet motive forces, this machine can utilize three characteristics. This new method can realize a variable characteristic. This paper shows the experimental result of the back-EMF of the CMMF, output torque under the current control, and changeable speed-torque (N-T) characteristics. The characteristics of the motor are verified by the experimental results and simulation results.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127713729","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
Improvement of light load efficiency of Dual Active Bridge DC-DC converter by using dual leakage transformer and variable frequency 采用双漏电变压器和变频技术提高双有源桥式DC-DC变换器轻载效率
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617909
G. Guidi, M. Pavlovsky, A. Kawamura, T. Imakubo, Y. Sasaki
{"title":"Improvement of light load efficiency of Dual Active Bridge DC-DC converter by using dual leakage transformer and variable frequency","authors":"G. Guidi, M. Pavlovsky, A. Kawamura, T. Imakubo, Y. Sasaki","doi":"10.1109/ECCE.2010.5617909","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617909","url":null,"abstract":"Dual Active Bridge (DAB) topology performs very well for converter output/input ratio close to transformer ratio. However, if a considerable deviation from the transformer ratio is required the conversion efficiency drops significantly. The approach presented in this paper uses variable AC link reactance to improve the DAB performance during operation at light load. The variable reactance is obtained by using a variable frequency in combination with so-called dual leakage transformer. Simple phase-shift control is used, and the switching frequency is varied in order to minimize the peak transformer current. In addition to that, the dual leakage transformer proposed in this paper has a winding configuration yielding a high leakage inductance at low currents and low leakage inductance at high currents. A fully operational prototype was built, demonstrating a power density of 7.1 kW/Liter with forced air cooling, and a peak efficiency at rated 4 kW load equal to 96.6 %. The presented variable reactance approach resulted in more than 10 % efficiency improvement over the conventional DAB design in the most critical point.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126426674","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: 70
Zero-voltage switching flyback-boost converter with voltage-doubler rectifier for high step-up applications 带倍压整流器的零电压开关反激升压变换器，用于高升压应用
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617913
Hyun-Wook Seong, H. Kim, Ki-Bum Park, G. Moon, M. Youn
{"title":"Zero-voltage switching flyback-boost converter with voltage-doubler rectifier for high step-up applications","authors":"Hyun-Wook Seong, H. Kim, Ki-Bum Park, G. Moon, M. Youn","doi":"10.1109/ECCE.2010.5617913","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617913","url":null,"abstract":"A zero-voltage switching (ZVS) flyback-boost (FB) converter with a voltage-doubler rectifier (VDR) has been proposed. By combining the common part between a flyback converter and a boost converter as a parallel-input/series-output (PISO) configuration, this proposed circuit can increase a step-up ratio and clamp the surge voltage of switches. The secondary VDR provides a further extended step-up ratio as well as its voltage stress to be clamped. An auxiliary switch instead of a boost diode enables all switches to be turned on under ZVS conditions. The zero-current turn-off of the secondary VDR alleviates its reverse-recovery losses. The operation principles, the theoretical analysis, and the design consideration are investigated. The experimental results from a 250W and 42V-to-400V prototype are shown to verify the proposed scheme.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128078352","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
A novel five-level single phase grid connected converter for renewable distributed systems 一种新型的可再生分布式系统五电平单相并网变流器
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5617701
G. Buticchi, G. Franceschini, E. Lorenzani
{"title":"A novel five-level single phase grid connected converter for renewable distributed systems","authors":"G. Buticchi, G. Franceschini, E. Lorenzani","doi":"10.1109/ECCE.2010.5617701","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5617701","url":null,"abstract":"In low-power grid connected systems (renewable or traditional energy sources) a single phase converter is usually adopted. In order to reduce losses, costs and size the keyword is removing any kind of transformer. This paper deals with a novel five level converter topology that follows this trend. The proposed converter architecture is based on a full bridge topology with two more power switches and two diodes connected to the midpoint of the DC link. Since the two added levels are obtained by the discharge of two capacitors, the balancing of the midpoint voltage is taken into account. Simulation and experimental results show the effectiveness of the proposed solution.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"46 38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128173059","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
Discrete time domain small-signal modeling of full-bridge phase-shifted series resonant converter 全桥移相串联谐振变换器的离散时域小信号建模
2010 IEEE Energy Conversion Congress and Exposition Pub Date : 2010-11-01 DOI: 10.1109/ECCE.2010.5618106
A. Aboushady, K. Ahmed, S. Finney, B. Williams
{"title":"Discrete time domain small-signal modeling of full-bridge phase-shifted series resonant converter","authors":"A. Aboushady, K. Ahmed, S. Finney, B. Williams","doi":"10.1109/ECCE.2010.5618106","DOIUrl":"https://doi.org/10.1109/ECCE.2010.5618106","url":null,"abstract":"This paper provides an analytical discrete small-signal state-space model of the phase-shift modulated series resonant converter used to obtain an explicit linearized phase-shift to output voltage transfer function. This transfer function is useful for linear closed loop control design. Initially, the effective duty-ratio to output voltage transfer function is derived. It is then proven, analytically and through results, that it is linearly related to the phase-shift to output voltage which is the main research concern. The analysis is carried out using state-plane diagrams. Small-signal state-space model representation is derived which is used for closed loop controller gain calculations. Results validate the calculated control gains based on the proposed linearized model.","PeriodicalId":161915,"journal":{"name":"2010 IEEE Energy Conversion Congress and Exposition","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125463222","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
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