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A Decentralized Output Feedback Controller to Improve Power System Damping with Virtual Synchronous Machines 基于虚拟同步机的分散式输出反馈控制器改善电力系统阻尼
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654269
Zhangxin Zhou, Wenzong Wang, T. Lan, Garng M. Huang
{"title":"A Decentralized Output Feedback Controller to Improve Power System Damping with Virtual Synchronous Machines","authors":"Zhangxin Zhou, Wenzong Wang, T. Lan, Garng M. Huang","doi":"10.1109/NAPS52732.2021.9654269","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654269","url":null,"abstract":"Virtual synchronous machine (VSM) is a promising control strategy for inverter-based resources (IBRs) as it can provide desired inertia and frequency support in an inverter-dominated grid. However, it can potentially introduce frequency and power oscillations among multiple IBRs in a similar way as synchronous machines oscillate against each other. To overcome this challenge, a decentralized output feedback controller is proposed in this paper. The controller consists of two loops: output power feedback and frequency feedback. The controller parameters are tuned through an efficient gradient based method. A washout filter is also added to ensure that the steady state power sharing is not affected by the controller. Small signal and simulation case studies are conducted in test systems with different levels of inverter penetration. Results show that dynamic performance of the system can be improved by applying the proposed controller.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129751127","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
Enhancing Situational Awareness: Predicting Under Frequency and Under Voltage Load Shedding Relay Operations 增强态势感知:预测低频率和低电压减载继电器操作
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654768
Ramin Vakili, Mojdeh Khorsand
{"title":"Enhancing Situational Awareness: Predicting Under Frequency and Under Voltage Load Shedding Relay Operations","authors":"Ramin Vakili, Mojdeh Khorsand","doi":"10.1109/NAPS52732.2021.9654768","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654768","url":null,"abstract":"This paper proposes a machine-learning-based method to enhance online situational awareness in power systems by predicting under frequency load shedding (UFLS) and under voltage load shedding (UVLS) relay operations for several seconds after a disturbance. Voltage magnitudes/angles of electrically closest high voltage buses to the relay locations along with the relay settings are used as the input features to train random forest (RF) classifiers that predict UVLS/UFLS relay operations, respectively. A variety of contingencies considering different operation conditions and topologies of the Western Electricity Coordinating Council (WECC) system data representing the 2018 summer-peak load are studied offline using the GE positive sequence load flow analysis (PSLF) software. The results are used to create a comprehensive dataset for training and testing the classifiers. A comparison between the performances of RF models trained with different periods of input data is conducted in the presence of measurement errors.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127797464","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
AI-Driven Security Constrained Unit Commitment Using Eigen Decomposition And Linear Shift Factors 基于特征分解和线性移位因子的ai驱动安全约束单元承诺
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654579
Talha Iqbal, H. Banna, A. Feliachi
{"title":"AI-Driven Security Constrained Unit Commitment Using Eigen Decomposition And Linear Shift Factors","authors":"Talha Iqbal, H. Banna, A. Feliachi","doi":"10.1109/NAPS52732.2021.9654579","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654579","url":null,"abstract":"Unit Commitment (UC) problem is one of the most fundamental constrained optimization problems in the planning and operation of electric power systems and electricity markets. Solving a large-scale UC problem requires a lot of computational effort which can be improved using data driven approaches. In practice, a UC problem is solved multiple times a day with only minor changes in the input data. Hence, this aspect can be exploited by using the historical data to solve the problem. In this paper, an Artificial Intelligence (AI) based approach is proposed to solve a Security Constrained UC problem. The proposed algorithm was tested through simulations on a 4-bus power system and satisfactory results were obtained. The results were compared with those obtained using IBM CPLEX MIQP solver.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116337326","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
Co-Optimizing Operating Cost and Renewable Energy Curtailment in D-FACTS Allocation D-FACTS分配中运行成本与可再生能源弃风的协同优化
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654439
E. C. Fatule, J. Espiritu, H. Taboada, Yuanrui Sang
{"title":"Co-Optimizing Operating Cost and Renewable Energy Curtailment in D-FACTS Allocation","authors":"E. C. Fatule, J. Espiritu, H. Taboada, Yuanrui Sang","doi":"10.1109/NAPS52732.2021.9654439","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654439","url":null,"abstract":"Modern energy grids have become extremely complex systems, requiring more variable and active flow control. As a remedy to this, Distributed Flexible AC Transmission Systems (D-FACTS) are cost-efficient devices used to mitigate power flow congestion and integrate renewable energies. The objective of this study is then to propose an efficient multiple objective evolutionary algorithm to solve a stochastic model for D-FACTS allocation which aims to optimize both the utilization of renewable resources and the total operating costs of the grid. The model was implemented on a modified RTS-96 test system, and the results show that optimally allocating D-FACTS modules using the proposed model can significantly reduce power system operating costs and improve the integration of renewable energy sources. Additionally, the case study shows that the model is very computationally efficient.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121716696","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
Commissioning a Real-World Industry-Grade Microgrid with Undergraduate and Graduate Students: An Educational Experience 与本科生和研究生一起调试真实世界的工业级微电网:一种教育经验
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654730
Mahmoud Kabalan, G. Mowry, D. Weinkauf, L. Koerner, Ian Masui, Grant Gregory, Rachel Pietsch, Carol Mikhael, Shaun Ly, Janani Mohanraj, Andrew Johnson, Himanshu Gamit, V.I. Farias, Carissa Cavalieri, Joshua Berg, Jared Ross, Andrew Tubesing
{"title":"Commissioning a Real-World Industry-Grade Microgrid with Undergraduate and Graduate Students: An Educational Experience","authors":"Mahmoud Kabalan, G. Mowry, D. Weinkauf, L. Koerner, Ian Masui, Grant Gregory, Rachel Pietsch, Carol Mikhael, Shaun Ly, Janani Mohanraj, Andrew Johnson, Himanshu Gamit, V.I. Farias, Carissa Cavalieri, Joshua Berg, Jared Ross, Andrew Tubesing","doi":"10.1109/NAPS52732.2021.9654730","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654730","url":null,"abstract":"Microgrids are electrical systems that can operate in grid-connected or islanded modes. The proper design, construction, and operation of microgrids requires knowledge and expertise in multiple domains of electrical engineering. This paper presents the lessons learned from commissioning a real-world industry-grade microgrid using undergraduate and graduate students. It aims to demonstrate that microgrids serve as an effective teaching medium for undergraduate and graduate education.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122964542","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
Transmission grid outage statistics extracted from a web page logging outages in Northeast America 输电网停电统计数据提取自一个网页记录停电在美国东北部
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654559
Nichelle'Le Carrington, I. Dobson, Zhaoyu Wang
{"title":"Transmission grid outage statistics extracted from a web page logging outages in Northeast America","authors":"Nichelle'Le Carrington, I. Dobson, Zhaoyu Wang","doi":"10.1109/NAPS52732.2021.9654559","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654559","url":null,"abstract":"Detailed outage data is foundational for the study of power transmission grid reliability and resilience, and particularly for dependent outages and rarer events, but there are very few such data sets that are published and freely accessible to all engineers and researchers. There are voluminous logs of scheduled and actual outages in a region of Northeast America available on the web. We show how to compress and process these logged data to obtain bulk statistics describing the outages, such as event size, propagation, and spread on the network. These statistics are very useful for calibrating and validating models of resilience to ensure realism, and in developing data-driven approaches.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124115507","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
Fault Location in Meshed Distribution Systems Using a Minimum Number of Digital Fault Recorders 基于最小数字故障记录仪的配电网故障定位
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654477
Cesar Galvez, A. Abur
{"title":"Fault Location in Meshed Distribution Systems Using a Minimum Number of Digital Fault Recorders","authors":"Cesar Galvez, A. Abur","doi":"10.1109/NAPS52732.2021.9654477","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654477","url":null,"abstract":"This paper presents a fault location method that can be used for radial or meshed distribution networks containing Distributed Energy Resources (DERs). The main advantage of the proposed approach is that it requires a minimum number of DFRs determined by the maximum degree among distribution network buses. Fault location is determined using the traveling wave based fault location algorithm. The IEEE 123 Node Test Feeder is used to validate the proposed method under different fault conditions using the EMTP RV and Matlab simulation tools.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126024256","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
Transmission Adaptive Capacity-Based Resilience Metrics for Power Grid Contingency Analysis 基于输电自适应容量的电网应急分析弹性指标
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654605
J. Gui, Hangtian Lei, Y. Chakhchoukh, T. McJunkin, B. Johnson
{"title":"Transmission Adaptive Capacity-Based Resilience Metrics for Power Grid Contingency Analysis","authors":"J. Gui, Hangtian Lei, Y. Chakhchoukh, T. McJunkin, B. Johnson","doi":"10.1109/NAPS52732.2021.9654605","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654605","url":null,"abstract":"Power system resilience generally represents the capability of the system recovering from a degraded state to normal operation in an acceptable period of time. In power systems, status changes of transmission lines are typically caused by events such as varying load, changes in non-dispatchable generation, transmission line opening, or generating power shedding. The adaptive capacity of the transmission network represents its power transmitting ability to adjust to these status changes and still meet the load demand. In this paper, we propose resilience metrics based on transmission adaptive capacity to quantitatively represent system resilience in response to events. Case studies are designed and performed in the IEEE 14-bus and 118-bus test systems using the MATPOWER platform. Simulation results demonstrate the validity of the proposed resilience metrics.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126939505","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 Case Study on Home Microgrid Effectiveness and Resiliency Return on Investment 家庭微电网效能与弹性投资回报案例研究
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654657
Matthew S. Egan, M. Benidris
{"title":"A Case Study on Home Microgrid Effectiveness and Resiliency Return on Investment","authors":"Matthew S. Egan, M. Benidris","doi":"10.1109/NAPS52732.2021.9654657","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654657","url":null,"abstract":"This paper presents a case study on the economic benefits given from a small scale microgrid, meant to power a small load, over the course of a multi-day outage. This research is done to better determine the value of resiliency, based on previous research conducted by the authors, which only found the value of resiliency, but did not determine how much this would reduce the time a solar plus storage system would receive a Return on Investment (RoI). It gives an analysis of the sizing and loading of the given devices, and determines how long the given system can last during an outage. Using this information, the paper estimates the system's RoI, using the Expected Cost of Service Interruption due to Extreme Events and Avoided Interruption Costs due Solar plus Storage, which use the probability of an extreme outage given area to determine the economic benefit of the added resiliency to the home's system. Though it is small enough to be controlled and managed by a single person, consideration is given to certain smart grid systems that improve safety and longevity. A system's RoI time can be reduced considerably using these metrics.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125191915","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
Optimal Energy Portfolio Planning for Power System Considering the Impact of Winter Storms 考虑冬季风暴影响的电力系统最优能源组合规划
2021 North American Power Symposium (NAPS) Pub Date : 2021-11-14 DOI: 10.1109/NAPS52732.2021.9654581
Alfredo Chaidez, Yuanrui Sang
{"title":"Optimal Energy Portfolio Planning for Power System Considering the Impact of Winter Storms","authors":"Alfredo Chaidez, Yuanrui Sang","doi":"10.1109/NAPS52732.2021.9654581","DOIUrl":"https://doi.org/10.1109/NAPS52732.2021.9654581","url":null,"abstract":"Winter storm events in Texas have a low probability of occurring, but their destructive effects are high. Most recently, in 2021, Texas faced a winter outbreak with a record low temperature that lasted from February 11 to February 20. This winter storm leads to the loss of control of the power supply in the state's electric grid, leaving millions in Texas without access to electricity and heat. Texas utilizes several types of generators such as natural gas, coal, wind, hydro, nuclear, and solar. When supplying electricity to people during winter storm outbreaks, it is essential to know the availability percentage of each generator. This project develops an optimization problem for the energy portfolio that incorporates the availability percentage during a winter storm outbreak to find the best energy portfolio for the power system. This project also acknowledges the emissions that each generator produces and aims to reduce emissions for electric power generation while providing electricity from available generators during a winter outbreak.","PeriodicalId":123077,"journal":{"name":"2021 North American Power Symposium (NAPS)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130429717","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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