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The static security analysis in power system based on Spark Cloud Computing platform 基于Spark云计算平台的电力系统静态安全分析
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387102
Gang Zhou, Dapu Zhao, Kexu Zou, Weida Xu, Xinjie Lv, Qiang Wang, Wenjun Yin
{"title":"The static security analysis in power system based on Spark Cloud Computing platform","authors":"Gang Zhou, Dapu Zhao, Kexu Zou, Weida Xu, Xinjie Lv, Qiang Wang, Wenjun Yin","doi":"10.1109/ISGT-ASIA.2015.7387102","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387102","url":null,"abstract":"This paper proposes a novel Map-Reduce based N-1 analysis (MRNA) algorithm for solving the static security analysis problem, which uses Spark Cloud Computing platform. First, the MRNA algorithm utilizes the Resilient Distributed Datasets (RDD) concept in Spark to generate the parallel equipment disconnection case enumeration vector. Second, DC power flow algorithm is embedded in the Map phase to calculate the active power of the network for every equipment disconnection state in the RDD. Third, the result of each Map task is reduced based on Hash algorithm in the Reduce phase. Fourth, the result of Reduce task is written into the Hadoop Distribute File System (HDFS) so as to judge whether the power flow in the network excesses its limits. Finally, numerical simulation results based on well-known benchmarks demonstrate the effectiveness of the proposed MRNA algorithm.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"184 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113982701","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: 11
Adaptive overcurrent protection considering critical clearing time for a microgrid system 考虑临界清流时间的微电网系统自适应过流保护
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387061
N. Tummasit, S. Premrudeepreechacharn, N. Tantichayakorn
{"title":"Adaptive overcurrent protection considering critical clearing time for a microgrid system","authors":"N. Tummasit, S. Premrudeepreechacharn, N. Tantichayakorn","doi":"10.1109/ISGT-ASIA.2015.7387061","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387061","url":null,"abstract":"This paper presents research on adaptive overcurrent protection by considering critical clearing time (CCT) for a microgrid system (MGS). The studied case is located in Mae-Sariang district, Chiang Mai province which is a remote area. It is composed of many kinds of user loads, an energy storage system and distributed generations (DGs). When faults occur while MGS is performing in the grid-connected mode or island mode, very different fault current level (FCL) values occur. According to this event, the overcurrent relay might malfunction and the generators might become unstable. The FCL change depends on the grids while the system is in the grid-connected mode. On the other hand, the FCL depends on DGs while the system is in the island mode or stand-alone mode. Our research was carried out in the 22kV distribution system of the Provincial Electricity Authority of Thailand (PEA). System analysis used the DigSILENT Power Factory software and the Real Time Digital Simulation (RTDS). Test results show the fault current, CCT and overcurrent relay setting.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114687111","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: 18
Power quality disturbance detection based on morphology singular entropy 基于形态奇异熵的电能质量扰动检测
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387032
Chen Ying, T. Ji, Mengshi Li, Qinghua Wu
{"title":"Power quality disturbance detection based on morphology singular entropy","authors":"Chen Ying, T. Ji, Mengshi Li, Qinghua Wu","doi":"10.1109/ISGT-ASIA.2015.7387032","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387032","url":null,"abstract":"This paper proposes a novel method for power quality (PQ) disturbance detection, based on morphology singular entropy (MSE). MSE consists of three techniques, i.e., mathematical morphology (MM), singular value decomposition (SVD) and entropy theory. The proposed method firstly utilizes MM to obtain the filtered outputs of the original signal at different levels. Then a matrix composed by the outputs obtained is decomposed by SVD to get the singular values. Finally, the entropy of the signal is calculated using the singular values obtained according to the entropy theory to monitor the occurrence of a power disturbance. Simulation studies have been conducted using MATLAB and PSCAD/EMTDC. The graphic results have demonstrated that the proposed method can detect the beginning and end of the power quality disturbances correctly. Moreover, the quantitative results have further validated the accuracy of the proposed method.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128117432","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: 7
Evaluation of fault ride through capability enhancement of DFIG-based wind turbine with Bi-2212 superconducting fault current limiter Bi-2212超导故障限流器对dfig型风力发电机故障穿越能力增强的评价
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387110
S. Romphochai, K. Hongesombut
{"title":"Evaluation of fault ride through capability enhancement of DFIG-based wind turbine with Bi-2212 superconducting fault current limiter","authors":"S. Romphochai, K. Hongesombut","doi":"10.1109/ISGT-ASIA.2015.7387110","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387110","url":null,"abstract":"This paper presents fault ride through capability enhancement of Doubly Fed Induction Generator (DFIG) by using Superconducting Fault Current Limiter (SFCL). The specific model of a resistive-type SFCL based on Bi-2212 is implemented to accomplish the DFIG fault ride through improvement. Denmark grid code requirement with below 100 kV is interestingly considered as a criterion of this paper. The study cases are divided into two parts, which are case A for line to line fault and case B for three phase fault. The line to line and three phase faults are supposed to evaluate the characteristics of the Bi-2122 Superconducting Coil (SC) along with fault ride through evaluation. The results of DFIG-based wind turbine with the SFCL for fault ride through evaluation at disparate events are totally investigated that the SFCL effectively enhances the fault ride through performance of DFIG.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121725497","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
A directional protection scheme based on non-periodic current for transmission lines 一种基于非周期电流的输电线路定向保护方案
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387105
Y. Wang, Mengshi Li, T. Ji, Q. Wu
{"title":"A directional protection scheme based on non-periodic current for transmission lines","authors":"Y. Wang, Mengshi Li, T. Ji, Q. Wu","doi":"10.1109/ISGT-ASIA.2015.7387105","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387105","url":null,"abstract":"This paper presents a directional protection scheme for transmission lines based on directional comparison of the non-period current, which is estimated by a second-order differential algorithm. When the directions of non-periodic current at both sides are the same, the fault is discriminated as internal fault. When the directions are opposite, the fault is discriminated as external fault. A variety of fault scenarios has been simulated on a 500 kV transmission line using MATLAB, and the results have demonstrated that the proposed method can discriminate the internal fault and external fault accurately.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115842741","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
Decentralized energy management for a group of heterogenous residential customers 分散能源管理为一组异质住宅客户
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387183
B. Rajasekhar, N. Pindoriya
{"title":"Decentralized energy management for a group of heterogenous residential customers","authors":"B. Rajasekhar, N. Pindoriya","doi":"10.1109/ISGT-ASIA.2015.7387183","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387183","url":null,"abstract":"Collaborative demand management of multiple homes and effective local renewable energy integration in a smart and active secondary distribution network are key to reduce their energy bills. Assuming home energy manager module assisted smart metering and bi-directional communication infrastructure between aggregator and customers. This paper presents a modified hybrid differential evolution (DE) based solution strategy for in-home energy management, with the objectives of minimizing customers' energy usage cost and discomfort; and game theoretic approach for across the homes in a heterogenous residential neighborhood. The users' privacy is maintained by communicating just the optimum consumption scheduling profile to the given tariffs without giving details of the each appliance consumption schedules. Simulation results based on real world data shows that proposed decentralized approach can reduce the total energy cost, overall peak-to-average ratio across-homes, and individual's electricity cost and discomfort minimization with minimum iterations.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132508780","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, simulation and implementation of a grid tied solar power controller integrated with instant power supply technology 结合即时供电技术的并网太阳能电源控制器的设计、仿真与实现
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387151
M. Billah, Sanjoy Das, M. T. Islam, Md. Anamul Haque, B. B. Pathik
{"title":"Design, simulation and implementation of a grid tied solar power controller integrated with instant power supply technology","authors":"M. Billah, Sanjoy Das, M. T. Islam, Md. Anamul Haque, B. B. Pathik","doi":"10.1109/ISGT-ASIA.2015.7387151","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387151","url":null,"abstract":"This article represents an intelligent and cost effective grid tied controller which integrates solar PV system with instant power supply (IPS) module to support continuous electrical power flow and supply access power to grid. Here, solar panels are connected to IPS, an electrical device that provides power to the load and battery during the unavailability of grid, through a microcontroller which determines the direction of power flows. When the battery is fully charged it flows to the load directly. During the unavailability of solar energy, load and battery takes power from the grid. Even if grid is not available power flows to load is supplied from the IPS. Moreover, generated excess electricity from solar panel served to the grid at no load and fully charged battery condition. This grid tied controller combines solar PV system with IPS, to reduce cost with combined use of battery and converter unit of IPS.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130046501","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
Online optimal power management considering electric vehicles, load curtailment and grid trade in a microgrid energy market 微电网能源市场中考虑电动汽车、减载和电网交易的在线最优电力管理
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387082
V. Mohan, M. Suresh, J. Singh, W. Ongsakul, B. K. Kumar
{"title":"Online optimal power management considering electric vehicles, load curtailment and grid trade in a microgrid energy market","authors":"V. Mohan, M. Suresh, J. Singh, W. Ongsakul, B. K. Kumar","doi":"10.1109/ISGT-ASIA.2015.7387082","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387082","url":null,"abstract":"This paper proposes an online optimal power management problem for microgrid energy market considering electric vehicle (EV) charging/discharging, load curtailment and grid power transactions. Fuel and emission costs of conventional sources, hourly profits, incentives for load curtailment, revenue/cost of grid power trade and charging/discharging price of electric vehicles (EV) are considered by the microgrid central controller (MGCC) for the dispatch. A realistic model for EV is considered with its state of charge (SOC), age/life, charging/discharging rate limits, trip period and number of switching. Two different objectives of the MGCC viz. operational cost minimization and overall profit maximization are compared in the CIGRE LV benchmark microgrid in terms of revenue, expense, node voltage, curtailed load, EV power, grid trade and overall execution time. Particle swarm optimization with time varying acceleration co-efficient (PSO-TVAC) and modified backward forward sweep (BFS) based optimal power flow (OPF) method is used to optimize the benefits.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134121841","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: 7
Grid connected-induction generator start-up sequence observation using laboratory simulator 用实验室模拟器观察并网感应发电机启动顺序
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387139
F. D. Wijaya, E. Firmansyah, Sarjiya, B. Isnaeni
{"title":"Grid connected-induction generator start-up sequence observation using laboratory simulator","authors":"F. D. Wijaya, E. Firmansyah, Sarjiya, B. Isnaeni","doi":"10.1109/ISGT-ASIA.2015.7387139","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387139","url":null,"abstract":"Start-up, loading, and shut-down procedure of induction generator is different from synchronous generator. At the initial time of grid connection, induction generator's voltage is zero. Therefore, it is assumed here that synchronization procedure as normally occurred with a synchronous generator is not required. However, it is well known that in order to operate properly, an induction generator needs reactive power. This power requirement results in voltage shift at the point of common coupling (PCC). In this paper, impacts of sudden reactive power changes over start-up, loading, and shut-down sequence of an asynchronous generator is investigated. Experiment has been done through a 1.1 kW induction generator which is connected to 0.07 + j0.13 pu grid simulator. It is evident from the experiments that the effect of induction generator over the grid during start-up, loading, and shutdown is determined by initial generator speed, feeder length, and the timing of capacitor connection.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131640325","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
Evaluation of the effects of photovoltaic inverter controllers on grid injected power with local dynamic loads 局部动态负荷下光伏逆变器控制器对电网注入功率的影响评价
2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) Pub Date : 2015-11-01 DOI: 10.1109/ISGT-ASIA.2015.7387112
S. K. Mohammed, N. Mariun, M. Radzi, N. Wahab, Sabo Mahmoud Lurwan
{"title":"Evaluation of the effects of photovoltaic inverter controllers on grid injected power with local dynamic loads","authors":"S. K. Mohammed, N. Mariun, M. Radzi, N. Wahab, Sabo Mahmoud Lurwan","doi":"10.1109/ISGT-ASIA.2015.7387112","DOIUrl":"https://doi.org/10.1109/ISGT-ASIA.2015.7387112","url":null,"abstract":"In this paper, the most prominent inverter interface control techniques for the grid-connected photovoltaic (PV) systems; the constant-current control (CCC) and constant-power control (CPC) were evaluated based on the dynamics of the inverter local load. A fully controlled 100 kW grid-connected PV distributed generation (DG) with dynamic load is simulated in MATLAB Simiilink. The CCC has one fast control loop while the CPC has two control loops, fast inner current loop and slow external power loop that sits on top of the inner loop. As loads on the DG may change dynamically due to demand variations, the effects due to these controllers on the grid-injected power are compared. The CCC is found to be more susceptible to THDi for larger load variation than the CPC although with better response to transients. From the results CPC can be considered best control option for grid-connected inverter.","PeriodicalId":208739,"journal":{"name":"2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132094016","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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