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2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)最新文献

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Strain and defects engineering of phosphorene 磷烯的应变与缺陷工程
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168555
A. Kistanov, Yongqing Cai, K. Zhou, S. Dmitriev, N. Srikanth, D. Saadatmand, Yong-Wei Zhang
{"title":"Strain and defects engineering of phosphorene","authors":"A. Kistanov, Yongqing Cai, K. Zhou, S. Dmitriev, N. Srikanth, D. Saadatmand, Yong-Wei Zhang","doi":"10.1109/ACEPT.2017.8168555","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168555","url":null,"abstract":"By using first-principles calculations, the electronic properties and chemical activity of phosphorene under the strain and defect engineering are studied. Furthermore, the effects of engineering on the interactions of NO gas molecule and humidity (H2O) and air (O2) molecules with the phosphorene surface are investigated. It is found that phosphorene enables to withstand a large compressive strain, up to −35%, and exhibit anisotropic electronic properties. Moreover, compressive strain and the presence of mono- and di-vacancy defects significantly alter the chemical activity of phosphorene as indicated by the enhanced adsorption and charge transfer between considered molecules and phosphorene surface. Thus, our findings suggest phosphorene as a perspective material for optical and photovoltaic applications.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131478000","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
Limitations of overlap control for energy balancing of the alternate arm converter under imbalanced ac grid conditions 交流电网不平衡条件下交替臂变流器能量平衡重叠控制的局限性
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168596
Jinke Li, H. Wickramasinghe, G. Konstantinou, J. Pou, Xinmin Jin
{"title":"Limitations of overlap control for energy balancing of the alternate arm converter under imbalanced ac grid conditions","authors":"Jinke Li, H. Wickramasinghe, G. Konstantinou, J. Pou, Xinmin Jin","doi":"10.1109/ACEPT.2017.8168596","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168596","url":null,"abstract":"Energy balancing of the alternate arm converter (AAC) takes place during the overlap period, when a circulating current flows through both arms of the converter. In this paper, the limitations of the commonly used energy balancing methods of the AAC under grid imbalances are demonstrated. It is shown that the overlap control can only provide sufficient energy balancing for a relatively limited voltage imbalance degree of the ac voltages and larger imbalances greatly impact the energy balancing of the AAC. The limitations of the overlap control are demonstrated through real-time digital simulations of an 800-MVA benchmark AAC model under single-phase, phase-to-phase and three-phase ac imbalances with varying imbalance degrees.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132144445","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
Variance index based method for fault detection and classification in power transmission linea 基于方差指标的输电线路故障检测与分类方法
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168606
M. H. Musa, L. Fu, Zhengyou He, Y. Deng, Li Kai
{"title":"Variance index based method for fault detection and classification in power transmission linea","authors":"M. H. Musa, L. Fu, Zhengyou He, Y. Deng, Li Kai","doi":"10.1109/ACEPT.2017.8168606","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168606","url":null,"abstract":"In this study, a new technique for faults detection classification in power transmission line based on variance index (VI) is presented. Basically, the proposed technique relies on measuring the current signals of both sending and receiving terminal and then calculating the variance coefficient of each samples over one cycle window. Moreover, during the health condition, VI was found less than a specific limit (threshold) and then it was set to zero; when the system is subjected to the fault condition, the VI was found much greater than the threshold. The new technique is implemented to the power transmission line model which was set up in PSCAD/EMTDC. The proposed technique is tested successfully under different type of faults circumstances such as fault inception time, fault resistances and faults locations. Also, it has been verified under faults happened nearby the terminal, fault considering variable loading angle, and noise environment. The results have shown a satisfactory performance in most cases.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131182857","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
Dynamic reactive power in compliance with low voltage ride-through enhancement for DFIG-based wind turbine 基于dfig的风电机组低压穿越增强的动态无功功率
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168613
E. Gatavi, A. Hellany, M. Nagrial, J. Rizk
{"title":"Dynamic reactive power in compliance with low voltage ride-through enhancement for DFIG-based wind turbine","authors":"E. Gatavi, A. Hellany, M. Nagrial, J. Rizk","doi":"10.1109/ACEPT.2017.8168613","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168613","url":null,"abstract":"Wind power plant is regarded as a large-scale system where the interconnections between each subsystem cannot be neglected, otherwise the control strategy cannot guarantee the robustness and system satisfactory efficiency over a wide range of operation. Moreover, voltage stability is the most important ancillary service to preserve doubly fed induction generator (DFIG) connected to the grid during fault, known as Low Voltage Ride-Through (LVRT). In this paper, multiple local controller strategy is introduced to improve LVRT capability and to guarantee the system-wise stability. However, voltage at individual point of common coupling (PCC) is controlled to minimize the risk of instability because of high flow reactive power. Unlike classical decentralized methods, all energy and material flows are bounded by real constraints in this paper. A model of wind farm equipped with DFIG is also introduced to illustrate the effectiveness of proposed algorithm.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116970991","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
Probabilistic analysis of maximum allowable pv connections across bidirectional feeders within a distribution network 配电网中双向馈线最大允许pv连接的概率分析
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168540
H. Al-Saadi, R. Zivanovic, S. Al-Sarawi
{"title":"Probabilistic analysis of maximum allowable pv connections across bidirectional feeders within a distribution network","authors":"H. Al-Saadi, R. Zivanovic, S. Al-Sarawi","doi":"10.1109/ACEPT.2017.8168540","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168540","url":null,"abstract":"The paper presents a probabilistic approach (PA) to quantify the impacts of increased PV connections in bidirectional feeders within a distribution network. The aim is to establish a tool that can serve distribution network operators (DNOs) in seizing the maximum allowable photovoltaic (PV) connections, and ultimately with their responsibility on providing a reliable and secure power. An uncertainty model based on clearness index is utilized to predict the actual PV power injected into the utility following the Australian meteorological conditions. Three assessment indices are established and assessed using the Quasi Monte Carlo method. A large distribution network situated in South Australia is currently under test where six zones are chosen to have potentials of being bidirectional. The results presented in this paper show that the uncertainty behaviors of PVs differ from a feeder to another and can be quantified to seize the maximum PV allowance.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114951835","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
Comparison of IGBT junction temperature measurement and estimation methods-a review IGBT结温测量和估计方法的比较综述
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-10-01 DOI: 10.1109/ACEPT.2017.8168600
M. Sathik, J. Pou, S. Prasanth, V. Muthu, R. Simanjorang, A. Gupta
{"title":"Comparison of IGBT junction temperature measurement and estimation methods-a review","authors":"M. Sathik, J. Pou, S. Prasanth, V. Muthu, R. Simanjorang, A. Gupta","doi":"10.1109/ACEPT.2017.8168600","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168600","url":null,"abstract":"Recent growth of power semiconductor device market has been driven largely by the growing demand for an efficient way to convert and distribute energy in the field of renewable energy, electrical vehicles, aerospace, marine and applications. For safety, critical applications, temperature management and control are the most important functions. Therefore, estimating or measuring the junction temperature of the power semiconductor device is useful to perform thermal management and converter control. Several methods have been published to measure the junction temperature of the insulated gate bipolar transistor (IGBT). This paper attempts to summarize the past developments and recent advances in measuring junction temperature of power semiconductor device is presented. Finally, the promising methods are recommended for future work.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121694205","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: 45
A generic method to model carbon emission of combined cycle for environmental power dispatch 环境调度联合循环碳排放模型的通用方法
2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT) Pub Date : 2017-07-27 DOI: 10.1109/ACEPT.2017.8168578
R. Rigo-Mariani, K. Ling, J. Maciejowski
{"title":"A generic method to model carbon emission of combined cycle for environmental power dispatch","authors":"R. Rigo-Mariani, K. Ling, J. Maciejowski","doi":"10.1109/ACEPT.2017.8168578","DOIUrl":"https://doi.org/10.1109/ACEPT.2017.8168578","url":null,"abstract":"This paper proposes a generic methodology for combined cycle gas turbines (CCGT) modeling. The main objectives are the estimation of the CO2 emissions for specific units and their integration in an environmental power dispatch that considers several plants. At first a design procedure aims at calibrating the model using the sparse information advised by the manufactures. Off-design points are also investigated in order to estimate the CO2 emissions on the whole operating range of the units. The obtained results show a good consistency with the emission coefficients found in the literature for that type of units. Then those carbon costs are used as input parameters for a unit commitment problem (UC). The Mixed Integer Linear Programming (MILP) formulation minimizes the global emissions for a set of different units on Jurong Island in Singapore. The grid emission factor finally obtained for the simulated network displays values close to the registered field data which validates the developed model.","PeriodicalId":217916,"journal":{"name":"2017 Asian Conference on Energy, Power and Transportation Electrification (ACEPT)","volume":"9 18","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113942385","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
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