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2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)最新文献

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A soft-switching inverter using a voltage clamp soft-switching step-up/down DC link 采用电压钳位软开关升压/降压直流链路的软开关逆变器
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357411
Chien-Ming Wang, Chang-Hua Lin, Hsin-Yi Lin, Y. Lai, Maw-Yang Liu
{"title":"A soft-switching inverter using a voltage clamp soft-switching step-up/down DC link","authors":"Chien-Ming Wang, Chang-Hua Lin, Hsin-Yi Lin, Y. Lai, Maw-Yang Liu","doi":"10.1109/ICSET.2012.6357411","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357411","url":null,"abstract":"A soft-switching pulse-width-modulation single-phase inverter using a voltage clamp soft-switching step-up/down dc link is proposed in this paper. The proposed voltage clamp soft-switching step-up/down not only provides the switches in the section of conventional PWM buck inverter operate at zero-voltage-switching (ZVS), but it has a step-up/down input voltage function and the switches in itself also operate at ZVS. Thus, except for the switch in the section of ZVS-PWM auxiliary circuit, all power semiconductor devices in proposed inverter operate at ZVS turn on and turn off. The switch in the section of ZVS-PWM auxiliary circuit operates at zero-current-switching (ZCS) turn-on and turn-off. Besides operating at constant frequency, the proposed inverter has no voltage stress and current stress on the main switch compared to the hard switching inverter counterpart. Auxiliary components rated at very small current are used. The principle of operation, theoretical analysis, and experimental results of the proposed soft-switching inverter, rated 1 kW and operated at 40 kHz, are provided in this paper to verify the performance.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126025597","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
CTF control algorithm of DSTATCOM for Power factor correction and zero voltage regulation DSTATCOM的CTF控制算法用于功率因数校正和零电压调节
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357391
S. Arya, Bhim Singh
{"title":"CTF control algorithm of DSTATCOM for Power factor correction and zero voltage regulation","authors":"S. Arya, Bhim Singh","doi":"10.1109/ICSET.2012.6357391","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357391","url":null,"abstract":"This paper presents an implementation of three-phase Distribution Static Compensator (DSTATCOM) using character of triangle function (CTF) based control algorithm for reactive power compensation for voltage regulation and power factor correction, harmonic elimination, load balancing of linear/nonlinear loads. CTF based control algorithm is used for extraction of fundamental load active and reactive power components of load currents which are used for estimating the reference source currents. This algorithm requires only multipliers, low pass filters and summers so it is simple and fast. A DSTATCOM is developed and its performance is tested using a DSP. The performance of DSTATCOM is found satisfactory for different type of loads.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"306 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132746623","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: 9
A novel inductor-coupled step-up-down converter 一种新型电感耦合降压变换器
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357426
K. Hwu, T. Peng
{"title":"A novel inductor-coupled step-up-down converter","authors":"K. Hwu, T. Peng","doi":"10.1109/ICSET.2012.6357426","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357426","url":null,"abstract":"In this paper, a step-up-down converter with a positive output voltage is presented, which combines the KY converter and the traditional synchronously rectified (SR) buck converter. By doing so, the problem in voltage bucking of the KY converter can be solved, thereby increasing the application capability of the KY converter. Aside from this, such a converter possesses the non-pulsating output current, thus not only decreasing the current stress on the output capacitor but also reducing the output voltage ripple. Above all, the KY converter and the SR buck converter, combined into a step-up-down converter with no right-half plane zero, use the same power switches and have two inductors coupled together, thereby causing the circuit to be simplified and the cost to be down.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132937889","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
On the dynamics of Photovoltaics vs Nuclear power 关于光伏发电与核电的动态
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357366
R. Haas
{"title":"On the dynamics of Photovoltaics vs Nuclear power","authors":"R. Haas","doi":"10.1109/ICSET.2012.6357366","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357366","url":null,"abstract":"In the last decade the dynamic development of Photovoltaics (PV) vs Nuclear was tremendously different. While PV starting at very low levels of installed capacity and high costs increased its capacities considerably and managed to bring down the costs remarkably with respect to nuclear the situation was vice versa: capacities stagnated and costs increased. In this paper we analyze the comparative dynamics especially of economics and try to identify the future prospects for capacity increases. An important role in this context play the discussion of upfront investments, construction times, interest rates and corresponding generation costs.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132672065","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 study on boost chopper circuit design for thermoelectric generators 热电发电机升压斩波电路设计研究
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357435
Y. Takahashi, H. Koizumi
{"title":"A study on boost chopper circuit design for thermoelectric generators","authors":"Y. Takahashi, H. Koizumi","doi":"10.1109/ICSET.2012.6357435","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357435","url":null,"abstract":"A kind of the energy harvester, the thermoelectric generator (TEG) has been focused on recently. The boost chopper circuit is used to obtain an appropriate voltage for a few mW applications whereas a few μW applications are suitable for the charge pump circuit. Since the TEG modules have a large internal resistance, there exists a maximum power point (MPP). The voltage, current, and power of the TEG fluctuate around MPP during the chopper circuit operating. This paper proposes a design method of a boost chopper circuit for the TEG modules. The boost chopper circuit should be designed with considering the inductance L with the equivalent series resistance (ESR), the fluctuation of the input voltage, and fluctuation of the output voltage. The equations for these factors are theoretically obtained. Therefore, theoretical results of this circuit are in good agreement with results of the simulation and the experiment.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133668004","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
The effect of collector aspect ratio and fin density on the thermal performance of rectangular finned absorber solar air heaters 集热器长径比和翅片密度对矩形翅片吸收太阳能空气加热器热性能的影响
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357405
P. Chand, S. Sharma
{"title":"The effect of collector aspect ratio and fin density on the thermal performance of rectangular finned absorber solar air heaters","authors":"P. Chand, S. Sharma","doi":"10.1109/ICSET.2012.6357405","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357405","url":null,"abstract":"The effect of collector aspect ratio on the thermal performance of solar air heater with plain fins on the absorber plate has been investigated theoretically. With constant collector area, the effect of various parameter such as air temperature rise, efficiency, collector efficiency factor, collector heat removal factor and fin density on aspect ratio have also been investigated. It is seen that either increasing the collector aspect ratio or increasing the fin density will improve the thermal performance.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124196455","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
Dual-balancing control for improving imbalance phenomenon of Lithium-ion battery packs 改善锂离子电池组不平衡现象的双平衡控制
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357404
Chang-Hua Lin, Chien-Ming Wang, H. Chao, Min-Hsuan Hung
{"title":"Dual-balancing control for improving imbalance phenomenon of Lithium-ion battery packs","authors":"Chang-Hua Lin, Chien-Ming Wang, H. Chao, Min-Hsuan Hung","doi":"10.1109/ICSET.2012.6357404","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357404","url":null,"abstract":"In this paper, a battery management system incorporating with dual-balancing mechanism applied to Lithium-ion battery module is presented. First, the employed battery management system can accurately capture some important parameters of the Lithium-ion battery module, including voltage, current, temperature, and providing protection functions for the battery module under abnormal conditions. Next, these obtained parameters of the battery are transmitted to the microcontroller through the inter-integrated circuit (I2C-bus). And then the microcontroller can control the pack-balancing circuit according to the received battery information. The proposed dual-balancing mechanism can avoid imbalance between adjacent battery packs so as to increase the utility rate of the whole battery module and to prolong the battery lifespan. Finally, some experimental results are used to verify the feasibility and validity of the proposed system.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"362 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120875897","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
PSCAD validation of delta-wye transformer as a harmonic filter for THD mitigation of line currents in three-phase bridge rectifier 三相桥式整流器中三角型变压器作为谐波滤波器抑制线路电流THD的PSCAD验证
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357382
A. N. Arvindan, V. Muthukumarasamy
{"title":"PSCAD validation of delta-wye transformer as a harmonic filter for THD mitigation of line currents in three-phase bridge rectifier","authors":"A. N. Arvindan, V. Muthukumarasamy","doi":"10.1109/ICSET.2012.6357382","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357382","url":null,"abstract":"The 3-phase diode bridge rectifier has the least line current distortion among 6-pulse rectifiers; however, its total harmonic distortion (THD) of 31.08% violates power quality standards. This paper reports distortion reduction by lowering magnitudes of harmonics in the line currents using a delta-wye transformer between the 3-phase utility and the diode bridge rectifier. The leakage inductances of the transformer windings provide a filtering effect on the line current harmonics thus providing THD mitigation of utility line currents. The efficacy of the technique is proved by Power Systems Computer Aided Design (PSCAD) simulations considering the bridge rectifier with and without the delta-wye transformer of vector group Dyl. Experimental results without and with the Dyl transformer feeding the diode bridge rectifier are presented.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"369 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122478260","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
Designing models and screening biomass residues for facilitating the implementation of local biomass energy technologies 设计模型和筛选生物质残留物，以促进当地生物质能源技术的实施
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357439
R. Lybaek, T. Kjaer, T. Christensen
{"title":"Designing models and screening biomass residues for facilitating the implementation of local biomass energy technologies","authors":"R. Lybaek, T. Kjaer, T. Christensen","doi":"10.1109/ICSET.2012.6357439","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357439","url":null,"abstract":"This article emphasises that biomass can be not only used to produce renewable energy, but also to recover and re-use all types of biomass residues from various sources, and to select energy technologies and systems that allow for the most optimal use of these resources. It focuses on the importance of seeking the highest environmental benefits possible from the use of biomass residues. We argue that this can be achieved by applying the principles of Industrial Ecology in the design of models to enable a transformation to the use of biomass for energy production in local communities. This article develops four such energy-and-business models to be adopted by communities, each dependent on the local context and type of biomass available. The article further exemplifies a screening of relevant biomass residues appropriate for energy production, which might be available in a Chinese context, and thus be utilized in one of the four models developed.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128488884","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
Mitigation of unbalanced currents in three-phase asynchronous generator supplying single-phase nonlinear load 单相非线性负载三相异步发电机不平衡电流的缓解
2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET) Pub Date : 2012-11-26 DOI: 10.1109/ICSET.2012.6357406
S. Gao, A. Kumar
{"title":"Mitigation of unbalanced currents in three-phase asynchronous generator supplying single-phase nonlinear load","authors":"S. Gao, A. Kumar","doi":"10.1109/ICSET.2012.6357406","DOIUrl":"https://doi.org/10.1109/ICSET.2012.6357406","url":null,"abstract":"When a three-phase asynchronous generator (AG) feeds a single-phase load, using any one of the known single-phase operation modes, the currents and voltages are grossly unbalanced. The unbalances become more prominent when the machine is feeding single-phase nonlinear loads. In this paper, analysis of a STATCOM based unbalance mitigation technique has been presented which successfully eliminates the unbalances, especially on the current waveforms. This is an encouraging result as the current unbalances are more severe compared to that of voltage unbalances as the former would otherwise lead to overheating of the machine windings which will eventually cause puncture of the insulation and accelerate ageing of the machine. The STATCOM is designed based on calculating the direct-axis and quadrature-axis components of reference currents which are converted to three-phase reference source currents with the help of Inverse Park Transformation and then compared with the actual machine currents to generate the required pulses to trigger the IGBTs of the Voltage Source Inverter (VSI). A single-phase rectifier based load is considered. The scheme is modeled using Matlab/Simulink PSB and the simulation results are presented.","PeriodicalId":256740,"journal":{"name":"2012 IEEE Third International Conference on Sustainable Energy Technologies (ICSET)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126566745","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: 9
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