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Evaluation of the impact of large-scale electric vehicle on power grid economy 大型电动汽车对电网经济的影响评价
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454290
Fang Yang, C. Bai, Han Huang, Bo He, Bo Hu
{"title":"Evaluation of the impact of large-scale electric vehicle on power grid economy","authors":"Fang Yang, C. Bai, Han Huang, Bo He, Bo Hu","doi":"10.1109/ICSGCE.2015.7454290","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454290","url":null,"abstract":"This paper proposes a general evaluation method of the impact of large-scale electric vehicle (EV) on power grid economy. The economy of power grid is firstly described by construction economy, operation economy and society economy, and they are considered as the first-class evaluation indicators. Each indicator is then refined into some detailed second-class indicators. Thus, a comprehensive economic evaluation indicator system of the impact of large-scale EV on power grid is established by all of these indicators. To validate the effectiveness of this evaluation indicator system, it is applied to the economic evaluation of large-scale EV in Beijing, the capital of China. 10% or 20% EV penetration under both the situation of uncontrolled charging mode and controlled charging mode are considered. The results show EVs in uncontrolled charging will generally bring negative economic effects, and the controlled charging mode can reduce the power cost significantly, which brings positive economic impact on power grid.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125151458","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
Research on the capacity of hybrid energy storage system and its control method in rail transit traction grid 轨道交通牵引电网混合储能系统容量及其控制方法研究
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454277
Shili Lin, Wenji Song, Lingyan Luo, Jie Lv, Z. Feng
{"title":"Research on the capacity of hybrid energy storage system and its control method in rail transit traction grid","authors":"Shili Lin, Wenji Song, Lingyan Luo, Jie Lv, Z. Feng","doi":"10.1109/ICSGCE.2015.7454277","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454277","url":null,"abstract":"The hybrid energy storage system (HESS) composed of super capacitors and batteries is proposed in this paper for the power supply system of rail transmit to prevent the overtension of grid voltage caused by the braking energy. According to the power fluctuations and allocation principle, the capacity and control method of HESS are designed to achieve the voltage stabilization of the traction grid as well as the proportion optimization between super capacitors and batteries. The simulation results show that HESS could restrain the voltage within the safety operating range and effectively reduce the redundant capacity and cost of the system.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127202923","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
Message from the conference chair ICSGCE 2015 会议主席ICSGCE 2015的致辞
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454258
A. Sikora, Jason Z. Kang
{"title":"Message from the conference chair ICSGCE 2015","authors":"A. Sikora, Jason Z. Kang","doi":"10.1109/ICSGCE.2015.7454258","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454258","url":null,"abstract":"Energy and environment continue to be major issues of human mankind. This holds true on the regional, the national, and the global level. And it is one of the problems, where engineers and scientists in conjunction with political will and people's awareness, can find new approaches and solutions to save the natural resources and to make their use more efficient.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124830557","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
The decoupled control of reactive power in medium/low voltage distribution networks including distributed generation 包括分布式发电在内的中低压配电网无功功率解耦控制
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454283
Yongjun Zhang, Shu-Yi Sun, Xiang-min Huang
{"title":"The decoupled control of reactive power in medium/low voltage distribution networks including distributed generation","authors":"Yongjun Zhang, Shu-Yi Sun, Xiang-min Huang","doi":"10.1109/ICSGCE.2015.7454283","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454283","url":null,"abstract":"Aiming at the status that small distributed generation can't be controlled uniformly, a decoupled control of reactive power in medium/low voltage distribution networks including distributed generation is proposed in this paper, based upon the analysis of the mechanism of power losses and voltage drop in distribution networks. The proposed method including the laddered control of distributed generators and low voltage capacitors, which can adapt to the time-variant loads of distribution networks according to the ladder diagram of power factor, and just need the related data of points of common coupling and the load side. Through the continuous power flow simulations of a distribution feeder with its loads data in some day, the results show that the proposed method performs excellently in reducing power loss, improving the voltage qualification rate and avoiding the frequent operation of reactive power compensators.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121370400","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
Model-based degradation assessment of lithium-ion batteries in a smart microgrid 基于模型的智能微电网锂离子电池退化评估
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454284
Björn Weißhar, W. Bessler
{"title":"Model-based degradation assessment of lithium-ion batteries in a smart microgrid","authors":"Björn Weißhar, W. Bessler","doi":"10.1109/ICSGCE.2015.7454284","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454284","url":null,"abstract":"Battery degradation is a complex physicochemical process that strongly depends on operating conditions and environment. We present a model-based analysis of lithium-ion battery degradation in smart microgrids, in particular, a single-family house and an office tract with photovoltaics generator. We use a multi-scale multi-physics model of a graphite/lithium iron phosphate (LiFePO4, LFP) cell including SEI formation as ageing mechanism. The cell-level model is dynamically coupled to a system-level model consisting of photovoltaics, inverter, power consumption profiles, grid interaction, and energy management system, fed with historic weather data. The behavior of the cell in terms of degradation propensity, performance, state of charge and other internal states is predicted over an annual operation cycle. As result, we have identified a peak in degradation rate during the battery charging process, caused by charging overpotentials. Ageing strongly depends on the load situation, where the predicted annual capacity fade is 1.9 % for the single-family house and only 1.3 % for the office tract.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116388910","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 joint day-ahead scheduling for photovoltaic-storage systems based on extended QV bus-type power flow 基于扩展QV母线型潮流的光伏-储能系统联合日前调度
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454263
Yongjun Zhang, Yu-yao Yang, Zehuai Liu
{"title":"A joint day-ahead scheduling for photovoltaic-storage systems based on extended QV bus-type power flow","authors":"Yongjun Zhang, Yu-yao Yang, Zehuai Liu","doi":"10.1109/ICSGCE.2015.7454263","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454263","url":null,"abstract":"This paper focuses on voltage fluctuation and the mismatch between generation and load demand caused by photovoltaic access to distribution network, using energy storage to solve negative effects brought by photovoltaic. According to the characteristics of point of common coupling (PCC) photovoltaic and energy storage accessed to, extended QV bus-type is put forward in order to describe the feature of PCC more reasonably. The solution of power flow calculation with QV bus-type is also shown in this paper. Furthermore, a joint day-ahead scheduling of photovoltaic-storage is put forward in core view of voltage control at PCC. The two scenarios where whether the power output of energy storage system is beyond the limit are considered. When the power output beyond its limit, the bus-type is transformed. As a consequence, node voltage curve and joint power curves of photovoltaic-storage are thus gained. The result is comprehensively compared with the case where photovoltaic and energy storage operate with constant power. It shows that the strategy this paper proposed has a significant effect on suppressing voltage fluctuation, improving power flow, peak load shifting and so on.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129343781","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: 8
A powertrain loss model for the flyback AC module with pseudo-dc link in continuous conduction mode 连续导通模式下带伪直流链路的反激交流模块的动力系统损耗模型
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454275
Edwin Fonkwe, J. Kirtley, Akwasi Owusu-Akyaw
{"title":"A powertrain loss model for the flyback AC module with pseudo-dc link in continuous conduction mode","authors":"Edwin Fonkwe, J. Kirtley, Akwasi Owusu-Akyaw","doi":"10.1109/ICSGCE.2015.7454275","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454275","url":null,"abstract":"AC modules or micro-inverters (MIC) are an important part of photovoltaic (PV) power systems. In particular, the flyback MIC with a current-unfolder, otherwise known as flyback MIC with pseudo-dc link (FMICpseudo-dc), has attracted a lot of research interest. The objective of this paper is to propose a compact theoretical loss model for the power train when the FMICpseudo-dc operates in the continuous conduction mode (CCM). The theoretical evaluation is compared with experimental results for a 110W digitally-controlled prototype. The loss model shows a good match with the experimental results in the mid-to-nominal power regions.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115278216","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 NBM based on P-N relationship for DFIG wind turbine fault detection 基于P-N关系的NBM在DFIG风机故障检测中的应用
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454260
Ran Bi, C. Zhou, D. Hepburn, Jin Rong
{"title":"A NBM based on P-N relationship for DFIG wind turbine fault detection","authors":"Ran Bi, C. Zhou, D. Hepburn, Jin Rong","doi":"10.1109/ICSGCE.2015.7454260","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454260","url":null,"abstract":"Supervisory control and data acquisition (SCADA) data has been widely applied to identify abnormal conditions in wind turbine generators (WTG). One approach was to apply Artificial Intelligence (AI) to SCADA data, comparing the predicted power output of a WTG and its actual output and using the prediction error as an indicator to detect faults. However, complicated training processes limit its application. This paper presents a normal behavior model (NBM), based on power output-generator speed (P-N) curve, to analyze SCADA data from modern pitch regulated WTGs for detecting anomalies. Through analysis of the operational characteristics of the pitch regulated WTG, it is found that inaccuracies in wind speed measurement, the inertia of the rotor, yaw and pitch misalignments, and air density fluctuation may affect the performance of the power curve monitoring algorithms. This paper shows that under normal conditions the P-N curve based NBM performs better when fitting the SCADA data to WTG output under normal conditions than the power curve. Results demonstrate that it can give alarm to forthcoming faults earlier than the existing condition monitoring system (CMS).","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"64 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116845186","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
Integration of parabolic trough collectors with natural gas Combined Cycle power plants in United Arab Emirates 抛物槽集热器与阿联酋天然气联合循环电厂的集成
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454270
P. Talukder, P. K. Soori
{"title":"Integration of parabolic trough collectors with natural gas Combined Cycle power plants in United Arab Emirates","authors":"P. Talukder, P. K. Soori","doi":"10.1109/ICSGCE.2015.7454270","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454270","url":null,"abstract":"Many countries have recently installed Combined Cycle Gas Turbine (CCGT) power plants like in United Arab Emirates (U.A.E), which has an arid subtropical climate with very hot summers and warm winters. Plants installed in such location experience great loss since the gas turbine power output decreases with rising ambient temperature. Additionally, CCGTs are installed with supplementary firing which causes the overall power output to increase however the thermal efficiency decreases. This implies enormous potential for solar hybridization with such combined cycle plants. The inefficient supplemental firing can be eliminated improving the overall plant efficiency and reducing the Carbon dioxide (CO2) emissions. Integration of solar power with Natural Gas Combined Cycle (NGCC) technology may be an intermediate step on the way to the optimum usage of renewable energy. Furthermore, an Integrated Solar Combined Cycle (ISCC) plant is a promising alternative to conventional solar thermal power plants and NGCC plants. This paper compares the efficiency of different power plant configurations in U.A.E using EBSILON Professional. Results have shown that ISCC plants have greater overall efficiency when compared to other plant configurations.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115764026","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
Smart grid cyber security: Challenges and solutions 智能电网网络安全:挑战与解决方案
2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE) Pub Date : 2015-10-01 DOI: 10.1109/ICSGCE.2015.7454291
S. Shapsough, Fatma M. Qatan, Raafat Aburukba, F. Aloul, A. R. Al Ali
{"title":"Smart grid cyber security: Challenges and solutions","authors":"S. Shapsough, Fatma M. Qatan, Raafat Aburukba, F. Aloul, A. R. Al Ali","doi":"10.1109/ICSGCE.2015.7454291","DOIUrl":"https://doi.org/10.1109/ICSGCE.2015.7454291","url":null,"abstract":"Cyber security in smart grid systems is becoming a major concern throughout the grid communication networks and software platforms that operate and manage the entire grid. The smart grid networks characteristics such as heterogeneity, delay constraints, bandwidth, scalability, and others make it challenging to deploy uniform security approaches all over the networks segments. Therefore, more research is required to develop standards and techniques that meet the smart grid network requirements at a low cost. In this paper, we discuss some of the existing cyber security challenges in smart grid networks, highlight some of the latest solutions, and recommend a new security conceptual model based on the Internet of Things paradigm.","PeriodicalId":134414,"journal":{"name":"2015 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128592444","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: 60
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