2020 52nd North American Power Symposium (NAPS)最新文献

Analysis of Negative-Sequence Directional Element for Type-IV Wind Power Plants under Various Control Methodologies 不同控制方式下四型风电场负序方向元分析

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449692

Sathish Kumar Mutha, A. Shrestha, V. Cecchi, M. Manjrekar

{"title":"Analysis of Negative-Sequence Directional Element for Type-IV Wind Power Plants under Various Control Methodologies","authors":"Sathish Kumar Mutha, A. Shrestha, V. Cecchi, M. Manjrekar","doi":"10.1109/NAPS50074.2021.9449692","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449692","url":null,"abstract":"Negative-sequence directional element operation depends on the magnitude and the phase angle of the negative-sequence current with respect to negative-sequence voltage. The directional element's operation and simplicity of settings lies in the representation of sources with the passive elements in the negative-sequence network diagram. This is not always true for Inverter Based Resources (IBR) with control schemes that vary from manufacturer to manufacturer. IBR offers specific fault current signature based on the control system and fault ride through (FRT) conditions defined in the control scheme. This paper expounds negative-sequence currents for traditional sources and how the negative-sequence directional element uses this behavior to decide the fault direction. Then, a Type IV wind power plant (WP) is modeled for three different control schemes developed in EMTP-RV, and the negative sequence directional element behavior for various unbalanced faults is analyzed. This paper shows the similarities of the negative-sequence current of the German grid code-based control scheme with traditional sources during unbalanced faults. Recommendations are then made in terms of additional requirements from the German grid code and/or from the negative-sequence directional element logic to achieve improved dependability and security of the directional element.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"288 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115434429","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

State Estimator and Machine Learning Analysis of Residual Differences to Detect and Identify FDI and Parameter Errors in Smart Grids 状态估计和机器学习残差分析在智能电网中检测和识别FDI和参数误差

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449772

Keerthiraj Nagaraj, Nader Aljohani, Sheng Zou, Cody Ruben, A. Bretas, Alina Zare, J. Mcnair

{"title":"State Estimator and Machine Learning Analysis of Residual Differences to Detect and Identify FDI and Parameter Errors in Smart Grids","authors":"Keerthiraj Nagaraj, Nader Aljohani, Sheng Zou, Cody Ruben, A. Bretas, Alina Zare, J. Mcnair","doi":"10.1109/NAPS50074.2021.9449772","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449772","url":null,"abstract":"In the modern Smart Grid (SG), cyber-security is an increasingly important topic of research. An attacker can mislead the State Estimation (SE) process through a False Data Injection (FDI) on real-time measurement values or they can attack the parameters of the network that represent the system topology. While research has been done in SE bad data analysis, parameter attacks have proven to be difficult to distinguish from FDI attacks using physics-based techniques. Machine learning (ML) techniques have recently been used to enhance the detection of FDI attacks in an algorithm called Ensemble CorrDet with Adaptive Statistics (ECD-AS). ECD-AS, as developed, analyzes the real-time measurement values throughout the SG to detect FDI attacks. Parameter attacks, on the other hand, don't impact the measurements. Instead, the estimate of state variables of SE will be affected. This paper presents a collaborative framework of ML and SE for detection and identification of errors in system measurements and parameters. The residual difference space is introduced, created from the physics-based SE and ML-based measurement estimation processes, and analyzed by ECD-AS. A case study on the IEEE 118-bus system is presented. Numerical results show that the presented framework outperforms state-of-the-art method in detecting and identifying both FDI and parameter attacks.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117215595","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

A Collaborative Market-based Framework to Cope with Overvoltages Caused by Massive Penetration of Rooftop PVs in Modern Distribution Systems 一个协同的市场框架来应对现代配电系统中屋顶光伏的大量渗透所造成的过电压

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449745

M. Ansari, M. Ansari, A. Asrari, P. Fajri, M. Rahmani-Andebili, Benito Ramos

{"title":"A Collaborative Market-based Framework to Cope with Overvoltages Caused by Massive Penetration of Rooftop PVs in Modern Distribution Systems","authors":"M. Ansari, M. Ansari, A. Asrari, P. Fajri, M. Rahmani-Andebili, Benito Ramos","doi":"10.1109/NAPS50074.2021.9449745","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449745","url":null,"abstract":"Due to the massive number of rooftop photovoltaic (PV) arrays installed by residential customers, the demand side of modern power systems can also act as the producer. In this platform, the reverse direction of power can lead to power quality-related challenges including overvoltage in distribution systems. Focusing on this challenge, this paper proposes a robust framework to collaboratively manage the injected power to the grid by the PVs to minimize the probability of overvoltage across the network. The entity called energy scheduling coordinator (ESC) is employed to improve the end customers' contribution to voltage regulation. The ESCs solve two problems: 1) primarily optimize their clients' bill by minimizing their daily energy cost, 2) minimize the penalty cost associated with voltage deviations caused by PVs through a collaborative process. The effectiveness of the introduced scheme is validated on the IEEE 33-bus distribution system. The results verify that the overvoltage problem caused by decentralized PVs can be addressed via sufficient collaborations among ESCs. Therefore, the system power quality will be ensured by the presented “market-based” mechanism. As a result, the necessity for the intervention of system operator in addressing overvoltages will be prevented by the developed framework, which enhances the convenience of market participants.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124722507","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

Peak Reduction in a Residential Community Through Bayesian Optimization of Transactive Control Signals 基于交互控制信号贝叶斯优化的住宅小区降峰

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449734

Ian Schomer, F. Li, B. Ollis

引用次数: 0

Practical Operations of Energy Storage Providing Ancillary Services: From Day-Ahead to Real-Time 储能辅助服务的实际操作:从日前到实时

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449810

Shengfei Yin, Jianhui Wang, Yanling Lin, X. Fang, Jin Tan, Haoyu Yuan

引用次数: 2

Criticality Assessment of Transmission Assets Using a Node-Breaker Model 基于节点断路器模型的输电资产临界性评估

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449637

Yingying Wang, V. Vittal, G. Heydt, Faustino L. Quintanilla, Wesley B. Knuth

{"title":"Criticality Assessment of Transmission Assets Using a Node-Breaker Model","authors":"Yingying Wang, V. Vittal, G. Heydt, Faustino L. Quintanilla, Wesley B. Knuth","doi":"10.1109/NAPS50074.2021.9449637","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449637","url":null,"abstract":"Transmission assets are regularly inspected and maintained to ensure their normal operation and to decrease the occurrence of unexpected failures. Compulsory outages need to be placed to take components out of service, in order to carry out maintenance. Transmission system operators (TSOs) must understand the criticality of transmission assets in terms of their failure impact on system operation and give priority to critical components maintenance when the maintenance activities are subjected to resource limits. This paper describes an approach for assessing the criticality of transmission assets using a node-breaker model, which is capable of accurately representing the operating system configuration. The proposed approach utilizes a node-breaker format contingency analysis to analyze the impact of components failure on system operating reliability. The criticality is quantified based on two performance indices that are computed based on the power flow solution in contingency analysis. The proposed approach is illustrated on a power system network operated by a major utility company in the Southwest United States. The results show the criticality of each transmission asset to system performance and demonstrate the feasibility of the proposed approach in realistic power systems.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116472574","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

Comparison of Probabilistic Forecasts for Predictive Voltage Control 预测电压控制的概率预测比较

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449769

Hossein Panamtash, Shahrzad Mahdavi, A. Dimitrovski, Qun Zhou

引用次数: 3

Reserve Scheduling in the Congested Transmission Network Considering Wind Energy Forecast Errors 考虑风电预报误差的拥塞输电网备用调度

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449828

Yuanrui Sang, Yingying Zheng

引用次数: 3

Evaluation of Performance Metrics for Electric Grid Operational Scenarios 电网运行场景的性能指标评估

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449731

Yijing Liu, Matthew Gaskamp, Zeyu Mao, Diana Wallison, K. Shetye, K. Davis, T. Overbye, Donald J. Morrow

{"title":"Evaluation of Performance Metrics for Electric Grid Operational Scenarios","authors":"Yijing Liu, Matthew Gaskamp, Zeyu Mao, Diana Wallison, K. Shetye, K. Davis, T. Overbye, Donald J. Morrow","doi":"10.1109/NAPS50074.2021.9449731","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449731","url":null,"abstract":"Today's power grid infrastructure is evolving faster than ever, as is its complexity. To effectively address the challenges of grid modernization, upcoming power engineers need more first-hand, practical experience operating these power systems. Several interactive operational scenarios have been developed in order to allow the users to get hands-on experience with a simulated power grid. This paper develops several metrics to evaluate the trainees' performance during an operational scenario. Operating reserve should be quickly available to maintain system reliability. Voltage schedules also play an important role in keeping equipment within system operating limits. Transmission line loading constraints prevent the system from exceeding thermal and stability limits after credible contingency events. In this work, these three metrics are monitored throughout the interactive simulation and used to guage user performance. To give general insight on how well a trainee performs, an overall Performance Score (PS) combing these three metrics is calculated at the end of assessment.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126024353","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

Overvoltage Correction in Active Distribution Grids using Smart Inverters and Load Control: A Comparison 采用智能逆变器和负荷控制的有源配电网过电压校正:比较

2020 52nd North American Power Symposium (NAPS) Pub Date : 2021-04-11 DOI: 10.1109/NAPS50074.2021.9449679

Akintonde Abbas, Olalekan Ogundairo, Oluwatimilehin Adeosun

{"title":"Overvoltage Correction in Active Distribution Grids using Smart Inverters and Load Control: A Comparison","authors":"Akintonde Abbas, Olalekan Ogundairo, Oluwatimilehin Adeosun","doi":"10.1109/NAPS50074.2021.9449679","DOIUrl":"https://doi.org/10.1109/NAPS50074.2021.9449679","url":null,"abstract":"Active distribution systems, which include significant amounts of distributed energy resources (DERs), are often more reliable and resilient. Paradoxically, these systems are also prone to power quality problems such as harmonics, under-voltages and overvoltages due to reverse power flows and the intermittent nature of most DERs. A major solution to most of these challenges is the use of smart inverters. However, for electric utilities and cooperatives operating demand response (DR) programs, flexible loads could also be used to address some of these power quality problems in addition to peak load reduction purposes. This paper compares the usage of smart inverters and flexible loads for specifically addressing overvoltages in a distribution grid due to the integration of solar photovoltaic (PV) resources. The overvoltage phenomenon is simulated using a modified IEEE 13-bus test system within the OpenDSS simulation tool. The use of flexible loads and smart inverters for correcting the observed overvoltages is simulated and analyzed. Finally, the results obtained from both approaches are compared from both performance and cost perspectives.","PeriodicalId":170486,"journal":{"name":"2020 52nd North American Power Symposium (NAPS)","volume":"27 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131992215","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