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Probabilistic Power Flow Based on Monte-Carlo Simulation and Data Clustering to Analyze Large-Scale Power System in Including Wind Farm 基于蒙特卡罗模拟和数据聚类的含风电场大型电力系统概率潮流分析
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167613
M. Khalghani, M. Ramezani, M. Mashhadi
{"title":"Probabilistic Power Flow Based on Monte-Carlo Simulation and Data Clustering to Analyze Large-Scale Power System in Including Wind Farm","authors":"M. Khalghani, M. Ramezani, M. Mashhadi","doi":"10.1109/KPEC47870.2020.9167613","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167613","url":null,"abstract":"Evaluating the capability of power systems in supplying the load within the permitted ranges of voltages and loading are among the main goals of utilities. Random outages of component and the growing penetration of wind power make power system analysis complex. Under such conditions, applying probabilistic approaches, including probabilistic power flow (PPF), is recommended to analyze the grid, e.g., power system planning. In this paper, a PPF based on Monte-Carlo simulation (MCS) and data clustering is proposed. The proposed approach reduces the computational burden of MCS and maintains the correlation between input data (wind generation and system load). The proposed method is applied to a test and real bulk power systems at 400 and 132 kV levels, including wind farms. The actual power grid has a specific area that suffers from voltage-related problems in some of its buses. This paper studies the effect of installing a candidate 400 kV substation on the bus voltages of this grid through DIgSILENT® POWER FACTORY.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131159651","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
Sustainable Off-Grid Electricity Generation System for Low Power Lighting in Remote Locations 偏远地区低功率照明的可持续离网发电系统
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167656
Bharath Basti Shenoy, J. Mitra, U. S. Acharya, T. Laxminidhi
{"title":"Sustainable Off-Grid Electricity Generation System for Low Power Lighting in Remote Locations","authors":"Bharath Basti Shenoy, J. Mitra, U. S. Acharya, T. Laxminidhi","doi":"10.1109/KPEC47870.2020.9167656","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167656","url":null,"abstract":"This paper proposes an environmental friendly and sustainable approach to generate electricity for small lighting applications in rural and remote locations. In the proposed system, human muscle energy, abundantly available in rural and remote locations, has been converted into electrical energy to be stored in an alternative energy storage device, e.g. a supercapacitor. The usual bicycle with a minor modification is plugged to a charging platform. The charging platform has a power processing circuit and a Permanent Magnet Direct Current generator. The system has the ability to power up a 1 W white LED lamp for a duration of approximately 60 minutes, when the bicycle is pedaled for 4 minutes. The proposed system is not only eco-friendly, but also effectively caters to the challenges posed by seasonal variations and locational disadvantages and is targeted specifically for locations which are not having access to the power grid.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121588462","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
Evaluation of Communication Delay Based Attack Against the Smart Grid 基于通信延迟的智能电网攻击评估
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167543
Gabriel De Pace, Zhenhua Wang, Joseph Benin, Haibo He, Y. Sun
{"title":"Evaluation of Communication Delay Based Attack Against the Smart Grid","authors":"Gabriel De Pace, Zhenhua Wang, Joseph Benin, Haibo He, Y. Sun","doi":"10.1109/KPEC47870.2020.9167543","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167543","url":null,"abstract":"The smart grid is becoming increasingly reliant on communications systems for measurement and control data. A simple cyber-physical attack on the power grid is to introduce delays in the delivery of these measurement and control messages to the control centers of the grid. This paper investigates the consequences of delay using the IEEE 30 bus standard benchmark. The Power System Simulation software PSCAD is used to model the power system. A case study to introduce delays and line cuts and measure the line voltage is presented. The case study is designed to pinpoint the amount of delay that can be tolerated before the system becomes unstable.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122137047","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
UHF Partial Discharge Localization in Gas-Insulated Switchgears: Gradient Boosting Based Approach 气体绝缘开关设备的超高频局部放电定位:基于梯度升压的方法
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167534
M. Massaoudi, Ahmad Darwish, S. Refaat, H. Abu-Rub, H. Toliyat
{"title":"UHF Partial Discharge Localization in Gas-Insulated Switchgears: Gradient Boosting Based Approach","authors":"M. Massaoudi, Ahmad Darwish, S. Refaat, H. Abu-Rub, H. Toliyat","doi":"10.1109/KPEC47870.2020.9167534","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167534","url":null,"abstract":"In this paper, Finite Element (FE) solver of COMSOL Multiphysics is used to model Partial Discharge (PD) defects inside an L-structured Gas-Insulated Switchgear (GIS). The defects are modeled by short dipoles, which were randomly placed inside the GIS. Gaussian Pulses were used as inputs to the short dipoles. Consequently, Electromagnetic (EM) waves start propagating inside the GIS enclosure. Five Ultra-High Frequency (UHF) sensors were used to acquire the propagating waves. A large number of utilized sensors is attributed to the limited number of simulation scenarios that were used. The captured signals were fed into a Gradient Boosting Machine (GBM) algorithm to localize the defects inside the GIS. The dataset fed into the GBM algorithm were power, voltage and cumulative energy received by each sensor. The biggest challenge associated with applying the GBM algorithm is the limited amount of obtained data. This paper provides a method of modeling PD defects inside medium and high voltage devices which can then be used for PD localization. The obtained results showed high accuracy with RMSE values of 31.46mm, 71.85mm, and 58.13mm for the X, Y, and Z axes, respectively.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121055476","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
Detection and Prevention of Voltage Instability Using PMU Data for Secured Operation of Power Systems 基于PMU数据的电力系统安全运行电压不稳定检测与预防
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167525
Sayari Das, B. K. Panigrahi
{"title":"Detection and Prevention of Voltage Instability Using PMU Data for Secured Operation of Power Systems","authors":"Sayari Das, B. K. Panigrahi","doi":"10.1109/KPEC47870.2020.9167525","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167525","url":null,"abstract":"Synchrophasor measurement-based technique for monitoring of Voltage Instability has been proposed in this paper. The time-series data of Voltage magnitude and reactive power loss has been procured from the Phasor Measurement Units for predicting voltage instability in real-time. This information can be used by the system operator to prevent any false operation of the zone 3 distance relay interpreting the voltage instability to be a fault. Moreover, an early indication of voltage instability also facilitates the system operator in carrying out load shedding as the remedial action for mitigating voltage collapse. The amount of load to be shed is decided by computation of injection shift factor obtained from the high frequency synchronized measurements. The efficacy of the technique has been verified on the New England 39 bus system.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121089232","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
Virtual Inertia Based Control of PV-STATCOM: Operation Under Unbalanced Frequency and Grid Conditions 基于虚拟惯性的PV-STATCOM控制:不平衡频率和电网条件下的运行
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167639
Sara Yazdani, M. Ferdowsi, P. Shamsi
{"title":"Virtual Inertia Based Control of PV-STATCOM: Operation Under Unbalanced Frequency and Grid Conditions","authors":"Sara Yazdani, M. Ferdowsi, P. Shamsi","doi":"10.1109/KPEC47870.2020.9167639","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167639","url":null,"abstract":"Modular photovoltaic based static synchronous compensator (PV-STATCOM) is extensively applied to either supply or consume reactive AC power to electricity network. However, the absence of mechanical rotating mass in voltage source converters (VSC) restricts their contribution in regulating voltage fluctuations or sufficient fast inertial frequency response. In this paper, a virtual inertia based control methodology over the dc-link voltage is applied to accommodate a smooth transient frequency response and a feed forward term based on the oscillations of the active power is appended to cater for the unbalanced grid voltage condition. This combination presents a package which provides seamless inertial energy response and straight power supply in the impact of an unbalanced grid condition. This control methodology has been verified using the Hardware-in-the-loop (HiL) technique in Matlab/Simulink and Xilinx System Generation environment. The real-time co-simulation results prove the veracity of this control scheme.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126968707","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
Analyzing the Effects of Problem Parameters on the Operation Cost of the Networked Microgrids 问题参数对网络化微电网运行成本的影响分析
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167516
M. Rahmani-Andebili
{"title":"Analyzing the Effects of Problem Parameters on the Operation Cost of the Networked Microgrids","authors":"M. Rahmani-Andebili","doi":"10.1109/KPEC47870.2020.9167516","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167516","url":null,"abstract":"In this study, the effects of problem parameters on the operation cost minimization of networked microgrids are investigated for the given planning period. These parameters include load growth, economic factors (ratio of inflation rate to interest rate), size of distributed generation (DG), and size of capacitor bank. Herein, to minimize the total cost of problem, the networked microgrids is optimally reconfigured, and the DGs and capacitor banks are optimally sized and installed in the best locations. The total cost of problem comprises several cost terms including investment costs for purchasing capacitor banks and DGs, maintenance costs of capacitors and DGs (proportional to their application period), network reconfiguration cost (switching cost), and network energy loss cost. To achieve the realistic results, the yearly load growth, daily variation of load throughout each year of the planning period, variation of load in each load level (low, medium, and high), and inflation and interest rates are considered in the planning problem. Moreover, the switches, DGs, and capacitors are switched in each load level of a day.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"5 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132364992","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
Adaptive Protection Scheme for a Real-World Microgrid with 100% Inverter-Based Resources 基于100%逆变器资源的微电网自适应保护方案
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167527
Trupal Patel, S. Brahma, J. Hernandez-Alvidrez, M. Reno
{"title":"Adaptive Protection Scheme for a Real-World Microgrid with 100% Inverter-Based Resources","authors":"Trupal Patel, S. Brahma, J. Hernandez-Alvidrez, M. Reno","doi":"10.1109/KPEC47870.2020.9167527","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167527","url":null,"abstract":"As more renewable generation connects to distribution systems, it is imminent that existing distribution feeders will be converted to microgrids - systems that offer resilience by providing the flexibility of supporting the grid in normal operation and operating as self-sustained islands when the grid is disconnected. However, inverter control and feeder protection will need to be tuned to the operating modes of the microgrid. This paper offers an insight into the issues involved by taking a case study of a real-world feeder located in the southwestern US that was converted to a microgrid with three solar PV units connecting to the feeder. Different inverter control configurations and adaptive protection using different settings for different operating conditions are proposed for safe operation of this microgrid. The solution also helps to create a framework for protection and coordination of other similar microgrids.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114921180","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
Internal Model Based Current Control with Embedded Active Damping on a Three-Level PV Flying Capacitor Multilevel Inverter with LCL Filter 基于内模嵌入式主动阻尼的LCL滤波三电平PV飞容多电平逆变器电流控制
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167581
Sara Yazdani, M. Ferdowsi, Pourva Shamsi
{"title":"Internal Model Based Current Control with Embedded Active Damping on a Three-Level PV Flying Capacitor Multilevel Inverter with LCL Filter","authors":"Sara Yazdani, M. Ferdowsi, Pourva Shamsi","doi":"10.1109/KPEC47870.2020.9167581","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167581","url":null,"abstract":"Multilevel converters are becoming favorable topologies to maximize the power transfer from solar panels to utility grids. As the harmonic emission of multilevel inverters are generally lower than their conventional two-level counterparts, not a bulky passive filter is required to eliminate the harmonic currents. However, the zero impedance of LCL filters at certain frequencies may expose the network to instability. In this paper, an embedded active damping technique based on virtual resistance method, within an internal model control scheme, has been implemented on a PV-flying capacitor multilevel inverter. An internal model of the LCL filter and the feeder line resistances are encapsulated in the controller and the difference between the control current output and the actual one passing through a compensator leads to the accurate control objective. Hardware-in-the-Loop case studies in Matlab/Simulink and Xilinx System Generator environment proves the robustness of the proposed control method.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128013949","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
A transient current based DG Interconnected transmission system protection scheme using Wavelet analysis 基于小波分析的瞬态电流DG互联输电系统保护方案
2020 IEEE Kansas Power and Energy Conference (KPEC) Pub Date : 2020-07-01 DOI: 10.1109/KPEC47870.2020.9167604
Vamsi Priya Goli, Soumitra Das
{"title":"A transient current based DG Interconnected transmission system protection scheme using Wavelet analysis","authors":"Vamsi Priya Goli, Soumitra Das","doi":"10.1109/KPEC47870.2020.9167604","DOIUrl":"https://doi.org/10.1109/KPEC47870.2020.9167604","url":null,"abstract":"In the era of degrading energy sources, interconnection of conventional grid with Distributed Generations (DGs) will be the promising alternative. Besides this interconnection, the protection of the whole system is necessary to retain it's stability. This research work carries out the detection of transmission line faults for a DG interconnected system of Goa (a state in India) power transmission network, using wavelet Multi Resolution Analysis. For the purpose of fault discrimination, a moving window technique is selected. The single level decomposition of three phase currents of all Buses are obtained with Bior 1.5 mother wavelet. The calculated fault indices are compared with the pre-calculated threshold value. This provides sufficient information about the situation of fault in a transmission line. Fault detection and discrimination can be accomplished within half a cycle by using this protection technique, irrespective of fault resistance, ult distance and fault inception angle.","PeriodicalId":308212,"journal":{"name":"2020 IEEE Kansas Power and Energy Conference (KPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130204137","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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