2017 North American Power Symposium (NAPS)最新文献

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Hardware-in-the-loop testing of protection relays in distribution feeders with high penetration of DGs 高穿透力配电馈线保护继电器的硬件在环测试
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107191
Amirsaman Makhzani, M. Zarghami, B. Falahati, M. Vaziri
{"title":"Hardware-in-the-loop testing of protection relays in distribution feeders with high penetration of DGs","authors":"Amirsaman Makhzani, M. Zarghami, B. Falahati, M. Vaziri","doi":"10.1109/NAPS.2017.8107191","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107191","url":null,"abstract":"To study or control the behavior of an actual equipment, such as a protection relay in a complex power system, real-time digital simulators can be employed in order to provide a safe and efficient environment for researchers. The goal of this paper is to investigate and verify the operation of an “actual” overcurrent protection relay in a simulated distribution system. More precisely, this work has investigated the behavior of instantaneous overcurrent protection element of the SEL-351S™ relay using OPAL-RT digital simulator through hardware-in-the-loop testing to demonstrate desensitization of the relay in protecting a distribution feeder when various levels of distributed generations exist in the system.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129310404","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: 6
Enhancing sustained oscillation detection by data pre-processing using SSA 利用SSA对数据进行预处理,增强持续振荡检测
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107367
Zekun Yang, M. Ghorbaniparvar, N. Zhou, Yu Chen
{"title":"Enhancing sustained oscillation detection by data pre-processing using SSA","authors":"Zekun Yang, M. Ghorbaniparvar, N. Zhou, Yu Chen","doi":"10.1109/NAPS.2017.8107367","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107367","url":null,"abstract":"Detecting sustained oscillations at their early stages can improve power system's situational awareness (SAW), and allows operators take remedial reactions to potential threatens to system's stability. Previously coherence spectrum based detection methods have been proposed to detect sustained oscillation in low signal-to-noise ratios (SNRs) using phasor measurement unit (PMU) data. However, their performance suffers long detection delays. In this paper, a pre-processing method based on Singular Spectrum Analysis (SSA) theory is proposed, which enables the self-coherence method to achieve shorter delay and lower false alarm rate using less operating data. Through extensive experimental study, the effectiveness of the proposed pre-processing procedure has been verified.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128261933","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
Steady-state stability analysis of regular circulant grids 规则循环电网的稳态稳定性分析
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107193
Jim Stright, C. Edrington
{"title":"Steady-state stability analysis of regular circulant grids","authors":"Jim Stright, C. Edrington","doi":"10.1109/NAPS.2017.8107193","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107193","url":null,"abstract":"Matter et al. derive a real-valued master stability function which determines whether and to what degree a given power grid is asymptotically stable. They base their work on an abstract grid having synchronous generators in presumed steady state equilibrium. They make some assumptions about the electrical and mechanical properties of these generators, then derive their stability function from the grid's admittance matrix. This stability function is thus a function not only of several electrical and mechanical parameters but also of the particular links joining the grid's generators and/or loads. Different choices of links can profoundly affect the stability of the grid. Building on Motter's work, we demonstrate that grids having only inductive admittances are stable (and conversely for grids with only capacitive admittances). We also present a family of regular circulant grids which can be easily analyzed to illustrate the influence of certain graph theoretic properties on grid stability.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129911972","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
Wind power potential assessment of Kano, Nigeria 尼日利亚卡诺的风力发电潜力评估
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107292
G. Shehu, M. Argin, A. Kunya, S. Kucuksari
{"title":"Wind power potential assessment of Kano, Nigeria","authors":"G. Shehu, M. Argin, A. Kunya, S. Kucuksari","doi":"10.1109/NAPS.2017.8107292","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107292","url":null,"abstract":"This paper investigates wind power potential assessment of Kano, located at North-Western region of Nigeria where the wind is highly variable and energy demand is high. Weibull probability density function is used to analyze Kano wind speed data obtained from Nigerian Meteorological Agency (NIMET). The analysis shows that average monthly wind power density of Kano varies from 213.913 W/m2 to 735.925 W/m2. The study also revealed that Kano has seasonal average wind power density of 471.941 W/m2 for dry seasons and 461.450 W/m2 for rainy seasons. The annual power density ranges from 297.481 W/m2 to 830.801 W/m2. The most probable wind speed (Vmp) and maximum energy carrying wind speed (VmaxE)monthly and annually values are found for dry and rainy seasons. Seasonal conditions are considered as well. All of the results show that Kano clearly falls under the highest class of 7 according to wind power density classes.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120983200","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
Classification of electricity customer groups towards individualized price scheme design 对电力客户群体进行分类,进行个性化电价方案设计
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107189
Tao Chen, Kun Qian, A. Mutanen, Bjcorn Schuller, P. Järventausta, Wencong Su
{"title":"Classification of electricity customer groups towards individualized price scheme design","authors":"Tao Chen, Kun Qian, A. Mutanen, Bjcorn Schuller, P. Järventausta, Wencong Su","doi":"10.1109/NAPS.2017.8107189","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107189","url":null,"abstract":"This paper introduces classification of electricity residential customers into different groups associated with individualized electricity price schemes, such as time-of-use (TOU) or critical peak pricing (CPP). We use an unsupervised learning method, K-means, assisted by a dimensionality reduction technique and an innovative supervised learning method, extreme learning machine (ELM), to cluster daily load profiles based on hourly AMI measurements. Then, the achieved typical daily load profiles are analyzed and utilized for the design of an electricity price scheme for every subgroup based on symbolic aggregate approximation (SAX). These carefully designed and customized retail price schemes can provide a potential tool for price-based and incentive-based demand response in the Smart Grid context.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127622592","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: 16
A probabilistic chance-constrained day-ahead scheduling model for grid-connected microgrid 并网微电网的概率机会约束日前调度模型
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107180
Chunyang Liu, Xiuli Wang, Yuntao Zou, Haitao Zhang, Wei Zhang
{"title":"A probabilistic chance-constrained day-ahead scheduling model for grid-connected microgrid","authors":"Chunyang Liu, Xiuli Wang, Yuntao Zou, Haitao Zhang, Wei Zhang","doi":"10.1109/NAPS.2017.8107180","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107180","url":null,"abstract":"The forecast data of the renewable energy generation and loads cannot be exactly accurate because of their intermittence and fluctuation characteristics. To handle this problem, a probabilistic chance-constrained model for day-ahead scheduling is proposed in this paper. The proposed model is established not only by the aggregated scenarios but also by the eliminated ones which are used in chance constraints. The mixed integer linear programming algorithm is applied to solve the schedule problem efficiently. Finally, a grid-connected microgrid consisting of a photovoltaic system (PV), a wind turbine (WT), a micro turbine (MT), a diesel engine (DE), a fuel cell (FC), and a battery energy storage system (BESS) is studied, and the simulation results show the effectiveness of the probabilistic chance-constrained model.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128794750","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
Making a dynamic interaction between two power system analysis software 实现两个电力系统分析软件之间的动态交互
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107318
A. Sahami, S. Kouhsari
{"title":"Making a dynamic interaction between two power system analysis software","authors":"A. Sahami, S. Kouhsari","doi":"10.1109/NAPS.2017.8107318","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107318","url":null,"abstract":"Different goals in studying a piece of equipment or a phenomenon, and the need for different accuracies in studies and manufacturing new instruments, persuade engineers to use different mathematical models for studying the behavior of phenomena and elements. On the other hand, calculation complexity in the study of large systems, and the rising costs of industry in conjunction with development of capabilities of new generations of computers, have made computer simulation an unavoidable choice. There are different software applications in various fields of electrical engineering, and each one has its own specific features and usages. If we could use features of different software simultaneously, then we could improve the accuracy of analyzing engineering complexities. In this paper, we have used mapping to create dynamic interaction between two existing software packages, PASHA and MATLAB, which are popular software among electrical engineers. By linking these two software packages, we may use MATLAB and Simulink capabilities in PASHA software.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129129471","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: 6
Statistical methods for detection and mitigation of the effect of different types of cyber-attacks and parameter inconsistencies in a real world distribution system 用于检测和减轻现实世界配电系统中不同类型网络攻击和参数不一致影响的统计方法
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107317
Vivek Joshi, J. Solanki, S. K. Solanki
{"title":"Statistical methods for detection and mitigation of the effect of different types of cyber-attacks and parameter inconsistencies in a real world distribution system","authors":"Vivek Joshi, J. Solanki, S. K. Solanki","doi":"10.1109/NAPS.2017.8107317","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107317","url":null,"abstract":"Distribution Management systems are effectively used by electric utilities for analyzing and controlling the distribution systems, but inconsistencies in the modelling parameters of the distribution network or cyber-attack conditions may result in failing of the controller to maintain voltage profile in a smart distribution system. In this paper we propose a statistical method based on multiple linear regression (MLR) to develop a robust and reliable capacitor control algorithm to maintain the voltage profile in a distribution system with distributed generators (DG). Two cyber-attacks, namely deception attack and load redistribution attack are modeled in OpenDSS to validate the proposed statistical methods on real American Electric Power (AEP) distribution feeder. A regression based distributed detection algorithm is also proposed for detection of cyber-attack in a distribution system with DG. Regression is based on least squares method making use of data acquired from exact simulations of the AEP System feeder. According to our knowledge this is the first paper which discusses cyber-attack in three phase unbalanced real distribution network.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127002907","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
Cost benefit analysis for wind power penetration 风电渗透的成本效益分析
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107316
Saleh S Almasabi, Samer Sulaeman, N. Nguyen, J. Mitra
{"title":"Cost benefit analysis for wind power penetration","authors":"Saleh S Almasabi, Samer Sulaeman, N. Nguyen, J. Mitra","doi":"10.1109/NAPS.2017.8107316","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107316","url":null,"abstract":"Wind power has become a candidate to replace some or part of the conventional generation to meet the continually increasing electricity demand. Yet, the stochastic nature of the wind speed and the rapid changes of wind turbine output increases the complexity of planning and operation of power systems. In this paper, a cost benefit analysis is developed for measuring the benefits of integrating wind farms with the grid. The analysis considers both the dynamic operations and the reliability of the system. The dynamic operation of the system is considered to be the economic cost and the environmental impact. Both categories are converted to one, using market prices for emission levels. The system reliability is assumed to be a disjoint objective and is evaluated separately, and then the economic impact for the reliability is evaluated using the expected damage cost (EDC). The system analysis for the dynamic operation is performed over the yearly load profile on the IEEE RTS-79 system, with an hourly output of wind. The results for the system reliability and the environmental-economic dispatch are presented, and the performance for different wind penetration at different buses is analyzed and discussed.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130459426","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
Impacts of communication limits on convergence of distributed DCOPF with flexible transmission 通信限制对柔性传输分布式DCOPF收敛性的影响
2017 North American Power Symposium (NAPS) Pub Date : 2017-09-01 DOI: 10.1109/NAPS.2017.8107274
Qianzhi Zhang, M. Sahraei-Ardakani
{"title":"Impacts of communication limits on convergence of distributed DCOPF with flexible transmission","authors":"Qianzhi Zhang, M. Sahraei-Ardakani","doi":"10.1109/NAPS.2017.8107274","DOIUrl":"https://doi.org/10.1109/NAPS.2017.8107274","url":null,"abstract":"This paper presents a fully-distributed DC optimal power flow (DCOPF) method that incorporates flexible transmission, and studies the impacts of communication limitations on the convergence properties of the proposed method. The distributed DCOPF algorithm iteratively solves the first order optimality conditions at each bus. To converge to the globally optimal solution, some information is communicated to the neighboring buses. While in an ideal case such data should be communicated at each iteration, commutation limitations are an inherent characteristic of real-world implementations. This paper divides the system into different areas, and puts communication constraints between different areas. While the information between buses within the same area is communicated at each iteration, the communication between neighboring areas occurs less frequently. This paper studies the impacts of this constraint on the convergence properties of the presented distributed DCOPF algorithm. Simulation studies on IEEE 118-bus system show that communication constraints affect both the number of iterations needed to reach convergence as well as the dynamics of solution evolution.","PeriodicalId":296428,"journal":{"name":"2017 North American Power Symposium (NAPS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132367648","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
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