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Recovery Plan for Electric Distribution Networks under Major Impacts 受重大影响的配电网恢复计划
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757924
S. Shirzadi, N. Nair
{"title":"Recovery Plan for Electric Distribution Networks under Major Impacts","authors":"S. Shirzadi, N. Nair","doi":"10.1109/AUPEC.2018.8757924","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757924","url":null,"abstract":"Power distribution system recovery after typical failures which hardly result in long lasting outages is a common practice. However, network recovery after a major impact such as extreme weather or other natural hazards can be much more complicated and time-consuming. Such events can easily cause costumers to experience an extended power outage which is associated with huge financial and social costs. This paper explores the dynamics of major impacts in distribution networks and explains the inefficiency of common recovery plans which has evolved around typical outages. A recovery plan mainly consists of information collection, repair crew dispatching and resource allocation, site operations, information update and reconnection. This paper discusses a combination of factors that are required in a successful recovery from a major outage in modern distribution network.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129567407","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 Real-Time Simulation Framework for System Protection in Smart Grid Applications 智能电网中系统保护的实时仿真框架
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757972
P. Peidaee, Akhtar Kalam, J. Shi
{"title":"A Real-Time Simulation Framework for System Protection in Smart Grid Applications","authors":"P. Peidaee, Akhtar Kalam, J. Shi","doi":"10.1109/AUPEC.2018.8757972","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757972","url":null,"abstract":"Analysis and simulation of power systems are crucial for a successful deployment of power system networks. However, introduction of smart grid concepts and integration of information and communication technologies (ICT) in operation of power systems has been a challenging topic for studying of future power systems. In this paper complexities related to simulation of smart grids and its requirement for research and development studies have been discussed. In addition to that, a real-time simulation framework for system protection in smart grids has been established to verify the simulation results. The proposed methodology is based on co-simulation of power system components and integration of ICT components in real-time. In summary, the outcomes of this research can be highlighted to address feasibility studies in smart grid operation and capability to integrate Distributed Artificial Intelligence (DAI) for reliable system protections.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116554647","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
Power Quality Improvements in Single-Phase Grid-Connected Photovoltaic Systems using a Nonlinear Adaptive Controller 采用非线性自适应控制器改善单相并网光伏系统电能质量
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757961
T. K. Roy, Md. Apel Mahmud, S. Islam, A. Oo
{"title":"Power Quality Improvements in Single-Phase Grid-Connected Photovoltaic Systems using a Nonlinear Adaptive Controller","authors":"T. K. Roy, Md. Apel Mahmud, S. Islam, A. Oo","doi":"10.1109/AUPEC.2018.8757961","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757961","url":null,"abstract":"This paper presents nonlinear adaptive control scheme for improving the power quality in single-phase grid-connected photovoltaic (PV) systems. For this purpose, an LCL filter is used at the output-side of the voltage source inverter (VSI) in the single grid-connected PV system. In this paper, the proposed adaptive controller is designed for the VSI by considering the average model of the VSI while considering only the dynamics of the LCL filter. The proposed controller enhances the power quality of the system by maintaining the values of total harmonic distortions (THDs) at lower levels as it estimates the parameters of the LCL filter using adaptation laws. These adaption laws are obtained in such a way that it is not essential to know exact parameters of the LCL filter. The parameter estimation capabilities of the proposed scheme are ensured through the tracking performances of different state variables associated with the dynamics of the LCL filter. The convergences of tracking errors are ensured during the different stages of the controller design process using the Lyapunov stability analysis technique and the stability of the overall system is also analyzed in this paper. The improvements in the power quality, using the proposed nonlinear adaptive control scheme, are demonstrated on a 3.5 kW single-phase grid-connected PV system by considering different operating conditions. The results are mainly discussed in terms of THDs in the current injected into the grid and also compared with a sliding mode controller (SMC).","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126310151","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
Wollongong University Laboratory Microgrid: a Design for Flexibility 卧龙岗大学实验室微电网:灵活性设计
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757949
Craig McLauchlan, J. David, D. Robinson, S. Elphick, J. Knott
{"title":"Wollongong University Laboratory Microgrid: a Design for Flexibility","authors":"Craig McLauchlan, J. David, D. Robinson, S. Elphick, J. Knott","doi":"10.1109/AUPEC.2018.8757949","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757949","url":null,"abstract":"Microgrids are becoming increasingly important to electrical power distribution. They offer the possibility of increased reliability and lower power costs for both customers and network operators, however there are significant challenges that must be addressed before this potential can be realised. Laboratory experimentation where concepts can meet with real world complexities in a controlled environment is a crucial part of meeting these challenges. The design and implementation of a useful laboratory microgrid is a complex and expensive process and to be successful it must be done with care. This process was recently undertaken at the University of Wollongong, and the key features of the microgrid design are described within this paper along with proposed experiments to be undertaken in the near future.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133112357","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
Consideration of the Cumulative Flicker Effects of Multiple Pieces of Energy Producing Equipment 多件发电设备累积闪烁效应的考虑
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8758049
M. Halpin, D. Geiger
{"title":"Consideration of the Cumulative Flicker Effects of Multiple Pieces of Energy Producing Equipment","authors":"M. Halpin, D. Geiger","doi":"10.1109/AUPEC.2018.8758049","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8758049","url":null,"abstract":"The purpose of this paper is to partially disseminate the present status of ongoing work in IEC Technical Committee 77, Subcommittee 77A, Working Group 2, “Voltage Fluctuations.” This work is presently focused on the development of a new product-family standard intended to limit the voltage fluctuations produced by energy producing equipment and it is intended to replace parts of the existing (to be withdrawn) IEC Technical Report 61000-3-15. The new proposed standard, IEC Standard 61000-3-17, will be applicable to energy producing equipment connected to the public low-voltage network and producing a current of 75 A or less and it is intended that the new standard follows the same general framework as other product family standards for energy consuming equipment such as IEC Standard 61000-3-11.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"170 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129317451","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
Review on Heavy Mass Energy Storage and a New Such a System Using Interleaved Magnetic Structure 大质量储能研究进展及交错磁结构储能系统研究进展
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757996
Daming Zhang
{"title":"Review on Heavy Mass Energy Storage and a New Such a System Using Interleaved Magnetic Structure","authors":"Daming Zhang","doi":"10.1109/AUPEC.2018.8757996","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757996","url":null,"abstract":"In this paper, a heavy mass energy storage system with interleaved structure has been introduced. This is for providing grid-scale energy storage. From calculation, it can be concluded that when its scale is large enough, it is very competitive in terms of cost and efficiency. Furthermore it is very environment friendly.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127978357","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
Stability Analysis and Control of Hybrid Microgrid 混合微电网稳定性分析与控制
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757920
Xiuhui Tang, Miao Li, Daming Zhang
{"title":"Stability Analysis and Control of Hybrid Microgrid","authors":"Xiuhui Tang, Miao Li, Daming Zhang","doi":"10.1109/AUPEC.2018.8757920","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757920","url":null,"abstract":"This paper studies stability issues and system control for a hybrid microgrid with renewable power sources. Such study includes coefficient deduction, stability range calculation and combined control method implementation. After selecting system parameters, the global controller, PI double loop controller for DC system and proportional resonant controller for AC load are designed to ensure the nominal voltage and equal power sharing. This hybrid microgrid system can track DC bus reference voltage in 0.12s with steady state error smaller than 4%. In the meantime, AC side of the hybrid microgrid can reach stable AC voltage with a constant frequency of 50Hz.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"38 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114114126","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
Battery Energy Management to Minimize the Grid Fluctuation in Residential Microgrids 住宅微电网中最小化电网波动的电池能量管理
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8758005
Mojaharul Islam, Fuwen Yang, Jahangir Hossain, Chandima Ekanayeke, U. B. Tayab
{"title":"Battery Energy Management to Minimize the Grid Fluctuation in Residential Microgrids","authors":"Mojaharul Islam, Fuwen Yang, Jahangir Hossain, Chandima Ekanayeke, U. B. Tayab","doi":"10.1109/AUPEC.2018.8758005","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8758005","url":null,"abstract":"The stochastic nature of renewable resources and loads leads to a large fluctuation of grid power in a grid-tied microgrid (MG) operation. Integrate battery energy storage system in MG is popular way to handle the stochastic nature of renewable resources to feed the stochastic load. In this paper, a battery management strategy is proposed using golden section search algorithm to minimize the grid power fluctuation by securing the battery constraints. The algorithm is applied in energy management system (EMS) of MG to minimize the grid peak power and grid power variation within a 24 hours duration by considering the random nature of renewable generations. The proposed battery management strategy is verified through the simulation experiment in a residential AC MG.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124335376","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
Optimal Utilization of Renewable Power Production by Sharing Power among Commercial Buildings: Case Study of Griffith University 商业建筑间电力共享的可再生能源生产优化利用——以格里菲斯大学为例
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757963
U. Amin, M. J. Hossain, J. Lu, Edstan Fernandez
{"title":"Optimal Utilization of Renewable Power Production by Sharing Power among Commercial Buildings: Case Study of Griffith University","authors":"U. Amin, M. J. Hossain, J. Lu, Edstan Fernandez","doi":"10.1109/AUPEC.2018.8757963","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757963","url":null,"abstract":"Advancements in smart-grid technology such as the development of a bi-directional communication infrastructure and smart metering provide an opportunity to reduce energy cost by sharing renewable energy among buildings. A proactive building equipped with renewable energy sources (RESs) can share surplus renewable power (SRP) with neighboring traditional buildings (without RESs) for the optimal utilization of RESs. In this paper, the interaction of a proactive building with neighboring traditional buildings in the context of power sharing based on generation and load demand is considered. Within a given time horizon divided into multiple time steps in which generation and load demand occurs, the proactive buildings may experience a power surplus or deficit. While any deficit can be obtained from the utility grid, the proactive building may consider sharing/selling its unused power with neighboring buildings. An algorithm is developed to manage SRP based on price signals, RESs’ production and load demand. The developed algorithm is tested using real-time load and generation data of different buildings situated in Griffith University, Australia. A cost-benefit analysis is also carried out using current electricity charges to show the cost effectiveness of power sharing.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"16 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124615462","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
Two-stage State Estimation Algorithm for Distribution Network Analysis 配电网分析的两阶段状态估计算法
2018 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2018-11-01 DOI: 10.1109/AUPEC.2018.8757946
Jiaojiao Dong, Lin Zhu, Yilu Liu, D. Rizy, F. Wang, L. Tolbert, Jim Glass
{"title":"Two-stage State Estimation Algorithm for Distribution Network Analysis","authors":"Jiaojiao Dong, Lin Zhu, Yilu Liu, D. Rizy, F. Wang, L. Tolbert, Jim Glass","doi":"10.1109/AUPEC.2018.8757946","DOIUrl":"https://doi.org/10.1109/AUPEC.2018.8757946","url":null,"abstract":"Practical distribution system contains many nodes and short branches. As a result, a more efficient and stable distribution state estimation (DSE) algorithm is needed to properly handle the inverse operation of its large-scale ill-conditioned information matrix. This paper proposed a two-stage DSE algorithm to transform the inverse operation into addition and multiplication operations in a recursive manner. It includes pseudo measurement preprocessing in the offline stage where an approximate linear estimator is adopted to relieve most of computation burdens, and real-time correction in the online stage where a nonlinear estimator is used to update the estimation. Numerical results of the method applied to both IEEE standard test systems and an actual distribution system show the accuracy and effectiveness of the proposed algorithm.","PeriodicalId":314530,"journal":{"name":"2018 Australasian Universities Power Engineering Conference (AUPEC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116831307","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
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