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Teaching IEC 61850 based substation automation through hands-on experiences 通过实践经验教授基于IEC 61850的变电站自动化
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286217
S. Kariyawasam, Achintha Wickremasuriya, A. Rajapakse
{"title":"Teaching IEC 61850 based substation automation through hands-on experiences","authors":"S. Kariyawasam, Achintha Wickremasuriya, A. Rajapakse","doi":"10.1109/EPEC.2017.8286217","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286217","url":null,"abstract":"IEC 61850 is becoming the leading international standard for electrical Substation Automation Systems (SAS) around the world. Engineers with relevant knowledge and skills are in demand in utilities and electrical manufacturing industry. This paper presents a laboratory based instructional environment developed to teach key concepts and practical aspects of an IEC 61850 based SAS. Carefully designed laboratory exercises, carried out in a specifically developed IEC 61850 compliant test setup with commercial and implemented Intelligent Electronic Devices (IED), are used to reinforce the theoretical knowledge. In the test setup, a power system simulated in a digital Real Time Simulator (RTS) provides the IEDs with necessary input electrical signals. Both station and process bus functionalities, as well as the design process, use of various IED configurations and testing tools are demonstrated through hands-on experiments.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"5 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":"114351759","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
Probabilistic load flow analysis for ADN optimal operation ADN最优运行的概率潮流分析
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286157
Wei Huang, Shuwen Yang, Liangliang Hua, Zhaorui Guo, Juan Wu, Liangjun Ge
{"title":"Probabilistic load flow analysis for ADN optimal operation","authors":"Wei Huang, Shuwen Yang, Liangliang Hua, Zhaorui Guo, Juan Wu, Liangjun Ge","doi":"10.1109/EPEC.2017.8286157","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286157","url":null,"abstract":"To effectively solve the power system security problem brought by uncertainty response of source and load in active distribution network(ADN), this paper sets up a new probabilistic load flow(PLF) model that regards the uncertainty of both demand response and exchanging power between virtual micro-grid(V-MG) and distribution network as random injected variables. Based on which this paper presents a strategy for ADN optimal operation. The proposed strategy optimizes the operation cost of ADN and uses the standard deviation of expectations calculated by PLF. The strategy can not only avoid the situation that all unbalanced power is undertaken by the superior grid, but also improve the security and economy of system operation. Effectiveness and practicality are testified through an example.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"6 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":"130162784","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
Identification of critical buses based on betweenness-centrality in a smart grid 智能电网中基于中间中心性的关键母线识别
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286220
Mitch Campion, P. Ranganathan
{"title":"Identification of critical buses based on betweenness-centrality in a smart grid","authors":"Mitch Campion, P. Ranganathan","doi":"10.1109/EPEC.2017.8286220","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286220","url":null,"abstract":"This paper explores several reliability indices to quantify the importance of buses in IEEE-118 and IEEE-300 bus test systems and determine which buses are key to operations of a simulated smart grid. A list of Critical Bus Indices (CBI) were formulated using principles of graph theory. Several parameters such as betweenness-centrality (BC), degree, demand, generation, and their combinations for each bus with in the test systems were explored. Efficiency of these indices in quantifying the importance of buses to the operation of the systems was validated by a node (bus) removal process. Node removal measures the disruption of the system under failure scenarios. System disruption was quantified by changes in normalized expected geodesic distance (NEGD) and normalized expected electric distance (NEED). Preliminary results provide promising insight in identifying the utility of betweenness-centrality in quantifying the importance of buses.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"60 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":"133307832","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
Seasonal reservoir management in hydro dominant power systems to enhance availability 季节性水库管理，以提高水力优势电力系统的可用性
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286212
N. Chattha, R. Karki, F. Fang
{"title":"Seasonal reservoir management in hydro dominant power systems to enhance availability","authors":"N. Chattha, R. Karki, F. Fang","doi":"10.1109/EPEC.2017.8286212","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286212","url":null,"abstract":"This paper presents reliability evaluation techniques and models for a hydro dominant system using analytical methods. Generation adequacy evaluation is done using the IEEE reliability test system modeled as a hydro dominant system, taking into account energy storage limitations of hydro plants. Seasonal analysis of storage type hydro is performed to save and have less water spillage when water inflow is high, and use it to supply load in dry months when water inflow is low and system is not capable to supply load. Studies represented in this paper specifically utilize different operating policies to save and transfer energy from wet season to dry season, and analyze its reliability benefits.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"06 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":"132940787","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
Reliability evaluation of bulk power system considering compressed air energy storage 考虑压缩空气储能的大容量电力系统可靠性评估
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286234
O. Ansari, Safal Bhattarai, R. Karki, C. Chung
{"title":"Reliability evaluation of bulk power system considering compressed air energy storage","authors":"O. Ansari, Safal Bhattarai, R. Karki, C. Chung","doi":"10.1109/EPEC.2017.8286234","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286234","url":null,"abstract":"The integration of large-scale energy storage systems (ESSs) have been identified as a viable option to mitigate the adverse effects of renewable energy sources (RES) on the power system operation and reliability. Currently, compressed air energy storage (CAES) is one of the two large-scale energy storage technologies with low capital and operational costs. This paper presents a method to integrate a new CAES reliability model in the bulk power system reliability evaluation and investigates quantitative benefits derived from the CAES. A state-duration sampling method is adopted for the reliability evaluation. A detailed reliability model of the CAES that considers its actual operating mechanism is first developed. Each system contingency state is then analyzed using a unit commitment (UC) method instead of hourly optimal power flow (OPF). This ensures that the inter-temporal constraints introduced by the CAES, such as its state-of-charge (SOC), are included in the analysis. Case studies are performed on a six-bus test system containing a wind farm and a CAES. The results indicate that the CAES can improve the overall reliability of the system. In particular, the reliability indices of the bus where the CAES is connected show the greatest improvement.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"12 2 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":"134561734","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
Nonlinear reactive power control scheme to maximize penetration of distributed generation in distribution networks 分布式发电在配电网中最大渗透的非线性无功控制方案
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286185
Amrit Singh, P. Lehn
{"title":"Nonlinear reactive power control scheme to maximize penetration of distributed generation in distribution networks","authors":"Amrit Singh, P. Lehn","doi":"10.1109/EPEC.2017.8286185","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286185","url":null,"abstract":"Distributed generation (DG) using solar photovoltaic (PV) as a source of energy is of interest to governments and utilities due to its ability to displace significant greenhouse gas (GHG) emissions while leveraging existing distributed generation infrastructure. This has led to increased PV installation across the grids in many countries. It can, however, lead to issues with distributed feeder voltage regulation and, ultimately voltage stability problems. The ability to maintain grid voltage stability is compromised by the addition of DG units in existing feeder networks. In this paper, a reactive power control technique is proposed that uses the concept of optimizing reactive power to reduce the problem of voltage instability and in doing so, provides a method to maximize the active power injected for each distributed generation unit connected to the grid. The algorithm is tested in MATLAB/Simulink with IEEE 13 and 37-node test feeder systems.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"222 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":"133962235","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
Control of microgrids with distributed energy storage operating in Islanded mode 孤岛模式下分布式储能微电网的控制
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286153
Chu Sun, G. Joós, F. Bouffard
{"title":"Control of microgrids with distributed energy storage operating in Islanded mode","authors":"Chu Sun, G. Joós, F. Bouffard","doi":"10.1109/EPEC.2017.8286153","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286153","url":null,"abstract":"For microgrids with multiple distributed energy storage units (ESU) operating in islanded mode, it is important to maintain desirable frequency and voltage performance while avoiding over-degradation of certain ESU. In this paper, a control strategy with State-of-Charge (SoC) balancing capability and improved dynamic performance is proposed. The washout-filter based power sharing gets rid of secondary control needed for voltage and frequency deviation due to conventional droop control. The SoC balancing is realized by adjusting the power reference instead of modifying the droop slope, so desirable frequency performance can be maintained. The transient virtual resistance (TVR) can increase damping of the system without introducing voltage deviation in steady state. Parameters of the washout filter, TVR and SoC balancing control are tuned based on small-signal analysis of the reduced model of microgrids. The proposed control strategy is verified with Matlab/Simulink simulation.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"90 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":"130960467","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
Design of 3.3 kW wireless battery charger for electric vehicle application considering bifurcation 考虑分岔的3.3 kW电动汽车无线充电器设计
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286140
K. Aditya, V. Sood
{"title":"Design of 3.3 kW wireless battery charger for electric vehicle application considering bifurcation","authors":"K. Aditya, V. Sood","doi":"10.1109/EPEC.2017.8286140","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286140","url":null,"abstract":"Bifurcation in a resonant inductive power transfer (RIPT) system causes hard switching of the primary side inverter, decrease in efficiency and loss of control stability. Bifurcation can be avoided by either selecting complicated control strategies or by calculating the parameters of RIPT system in such a way that the system has only one resonant frequency for the entire expected range of load and coupling variations. Many control methods to tackle the bifurcation issue have been covered in the literature. This paper aims at handling the bifurcation by proposing an analytical design procedure. A fabricated system, based on the parameters calculated using presented design steps, avoids the bifurcation phenomenon for the entire coupling and load variations. A 3.3 kW wireless charger setup using series-series compensated RIPT (SS-RIPT) system and 2-phase interleaved boost power factor correction (PFC) as a front end converter has been designed using the proposed method as an example. Simulation results using MATLAB are presented to verify the proposed design methodology.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"75 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":"133733200","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
Ant-based optimal tuning of PID controllers for load frequency control in power systems 基于蚁群的电力系统负荷频率PID控制器最优整定
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286152
Michael Bernard, P. Musílek
{"title":"Ant-based optimal tuning of PID controllers for load frequency control in power systems","authors":"Michael Bernard, P. Musílek","doi":"10.1109/EPEC.2017.8286152","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286152","url":null,"abstract":"Frequency fluctuations in power system result from high penetration of distributed generation as well as sudden load changes, system uncertainties, and parameters variations. If adequate control actions are not put into place, the fluctuations in power system frequency may deteriorate the normal operation of the system. This paper proposes a robust, intelligent control technique using Ant Colony Optimization algorithms for optimal tuning of proportional, integral and derivative controllers. The goal is to enhance load frequency control capabilities in smart power systems. The designed algorithm is applied to a power system consisting of a coal thermal plant, photovoltaic power generation as a renewable energy source, as well as heat pump water heaters and electric vehicles as controllable loads. Simulation results obtained using Matlab under various practical operating conditions confirm the correctness of system analysis and superior performance of the proposed scheme. The results of the simulation illustrate that the system with the proposed control scheme is more stable, and can achieve a fast response in the face of system uncertainties, parameter variations and fluctuations from distributed energy sources, as compared to the conventional PID controller and the model predictive control scheme.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"60 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":"134421812","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: 10
Practical power distance test tool based on OPF to assess feeder DG hosting capacity 实用的基于OPF的馈线DG承载能力评估功率距离测试工具
2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI: 10.1109/EPEC.2017.8286214
Zhijun Wang, Xiaoyu Wang, L. Tang
{"title":"Practical power distance test tool based on OPF to assess feeder DG hosting capacity","authors":"Zhijun Wang, Xiaoyu Wang, L. Tang","doi":"10.1109/EPEC.2017.8286214","DOIUrl":"https://doi.org/10.1109/EPEC.2017.8286214","url":null,"abstract":"Voltage performance has become a sensitive issue since distribution network operators (DNOs) began to integrate a large amount of distribution generation (DG) in its distribution system. A set of voltage performance design criteria has been established by DNOs but the corresponding analytical method restricts it to exploit more headroom of DG hosting capacity. A methodology based on optimal power flow (OPF) technique is proposed to accommodate a higher level of DG penetration without an advanced distribution system (ADS), which strictly meets the voltage performance design criteria.","PeriodicalId":141250,"journal":{"name":"2017 IEEE Electrical Power and Energy Conference (EPEC)","volume":"292 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":"115603241","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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