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2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)最新文献

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Forecasts and Impact on the Electrical Grid with the Expansion of Electric Vehicles in Northeast of Brazil 巴西东北部电动汽车扩张对电网的影响及预测
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816978
J. Schmidt, F. de Faveri, J. C. de Bona, Eduardo A. Rosa, Lucas S. Dos Santos, C. Pica, Lucas B. R. Morinico, I. França
{"title":"Forecasts and Impact on the Electrical Grid with the Expansion of Electric Vehicles in Northeast of Brazil","authors":"J. Schmidt, F. de Faveri, J. C. de Bona, Eduardo A. Rosa, Lucas S. Dos Santos, C. Pica, Lucas B. R. Morinico, I. França","doi":"10.1109/td43745.2022.9816978","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816978","url":null,"abstract":"The evolution of electromobility requires an increase in the energy supply to charge electric vehicles. This paper demonstrates the impact of these charging operations, resulted from studies conducted in the city of São Luis, in Northeast Brazil. The study is conducted in a scenario which forecasts the number of electric vehicles and energy consumption segmented by fleet types until 2030. One of the objectives pursued was the creation of a demand profile based on a survey conducted among electric vehicle drivers. According to the Bass diffusion model implemented, the fleet will reach 17,700 electric vehicles in 2030 and will represent 7.80% of the power demanded in the city during peak demand hours. A growth rate of 46.18% should occur between 2025 and 2030. The forecast of energy consumption with the charge of electric vehicles is 123.27 TWh by 2030, approximately 16.37 % of the total Brazilian consumption.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122185200","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
Coordinated vs Uncoordinated Grid-Connected Microgrids with Different Contract Terms: A Comparative Study 不同合同条件下协调与非协调并网微电网的比较研究
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816998
O. Adeyanju, L. Canha
{"title":"Coordinated vs Uncoordinated Grid-Connected Microgrids with Different Contract Terms: A Comparative Study","authors":"O. Adeyanju, L. Canha","doi":"10.1109/td43745.2022.9816998","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816998","url":null,"abstract":"The study presents a comparative analysis of the coordinated and uncoordinated grid-connected microgrids with short- and long-term power purchase agreements (PPAs). The development of microgrids with high proportion of renewable energy resources is in the increase due to their tendency to reduce carbon emission and improve operation economy. Wider microgrid inclusion in is expected to support the distribution system operation. Unlike in the uncoordinated planning approach where individual microgrid owner has decision autonomy, the coordinated approach affects the decision-making of the microgrids, and it limits their profitability. The aim of this study is to investigate the effects of planning and operating multiple microgrids having short- and long-term PPAs on distribution system operation, customer energy bill, microgrids' returns on investments and cumulative net-present worth under coordinated and uncoordinated integration approaches. Case studies is performed on a modified IEEE 33 Bus System consisting of three microgrids and a system operator. Simulation results are presented with relevant conclusions to guide microgrid inclusion in the system.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122841123","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 GIC Thermal Capability of Power Transformers ― Part I: Core Form Transformers 电力变压器GIC热性能的评价。第1部分:铁芯变压器
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816934
R. Girgis, M. Bernesjo
{"title":"Evaluation of GIC Thermal Capability of Power Transformers ― Part I: Core Form Transformers","authors":"R. Girgis, M. Bernesjo","doi":"10.1109/td43745.2022.9816934","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816934","url":null,"abstract":"Recently, evaluating the GIC Thermal Capability of power transformers has become an important item requested by Specifications of new power transformers, especially, in North America. Also, the TPL-007 Standard [1]** requires evaluation of GIC Thermal Capability of installed power transformers expected to be subjected to certain levels of GIC under specific Benchmark and Supplemental GMD Scenarios. The objective of this paper is to demonstrate that the GIC Thermal Capability of a transformer is a strong function of the design of that transformer and that the GIC Thermal Capability of transformers of the same core type vary from a low value to a much higher value. Additionally, the paper presents impact of Load and duration of GIC pulses on the GIC Thermal Capability of transformers. In performing the studies reported in this paper, heating of structural parts of transformers was used for the thermal evaluations. This is since the thermal impact on the structural parts has been found to be much greater than that on windings [2]. Part I of this paper deals with GIC Thermal Capability of Core form Transformers while Part II deals with GIC Thermal Capability of Shell form Transformers.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115024731","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
Optimised MV neutral treatment and earth fault management 优化中压中性点处理和接地故障管理
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816980
H. Borland
{"title":"Optimised MV neutral treatment and earth fault management","authors":"H. Borland","doi":"10.1109/td43745.2022.9816980","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816980","url":null,"abstract":"A wide range of neutral earthing techniques are in successful operation worldwide. SARS-CoV-2 (COVID-19) has normalised remote working; many electricity users in rural areas now have higher requirements for electricity service continuity. The drive to de-carbonise is promoting the adoption of e-transport and e-heat. Both further raise the criticality of supply continuity and reliability. Mitigating the risk of ignition of wildfires is a further driver. These drivers are increasing the number of utilities migrating from low resistance to high impedance neutral earthing at medium voltage (MV). Such migrations present challenges around changes to protection and operating regimes. This paper reviews common historical practice, then focuses on enhanced compensated neutral treatments, including active injection and faulted phase earthing. Outcomes of trial migration are included. Such solutions provide high levels of safety, supply continuity, supply quality, low energy release and operational simplicity. This paper does not address fault causes or repairs.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126326289","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
Protection of Inverter Interfaced Microgrids: Challenges and Solutions 逆变器接口微电网的保护:挑战与解决方案
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9817011
E. Dehghanpour, M. Normandeau, G. Joós
{"title":"Protection of Inverter Interfaced Microgrids: Challenges and Solutions","authors":"E. Dehghanpour, M. Normandeau, G. Joós","doi":"10.1109/td43745.2022.9817011","DOIUrl":"https://doi.org/10.1109/td43745.2022.9817011","url":null,"abstract":"Recently, the protection of Inverter-Based Microgrids (IBMs) has attracted a lot of attention. It is partly because the penetration level of Inverter-Based Recourses (IBRs) is increasing continually and partly because of different and sometimes unusual behavior of these resources under fault conditions. The distinctive fault characteristic of IBRs makes the protection of the inverter-based microgrids rather uniquely challenging. This paper tries to shed light on the current challenges in the protection of the IBMs by providing time-domain simulations. Two possible solutions to address some of the main challenges are also discussed by providing simulation-based results using MATLAB Simulink software.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"211 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133862242","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
Paper Entergy - Intelligent Electronic Device Management System 智能电子设备管理系统
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816947
B. Montgomery, Jim Atkins
{"title":"Paper Entergy - Intelligent Electronic Device Management System","authors":"B. Montgomery, Jim Atkins","doi":"10.1109/td43745.2022.9816947","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816947","url":null,"abstract":"Universal management of Intelligent Electronic Device (IEDs) for NERC CIP compliance and operational effectiveness comes with many challenges. A comprehensive IED management system (IEDMS) must span many departments and stakeholder's requirements. Ensuring all stakeholders' needs are captured requires time, coordination and a corporate prioritization of the project. This paper outlines the process Entergy went through to create the RFP and the requirements Entergy identified for their IEDMS project to be successful. Business drivers and technical requirements that shape the IEDMS project and the main drivers for the project. The ongoing project is overcoming funding challenges to implement a complex IEDMS project in a costeffective manner. An overview the project, cost challenges and the benefits Entergy receives now and in the future from the IEDMS project are identified.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129088706","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
Electromagnetic Converters with Short-Circuited Winding for Power Systems Protection 电力系统保护用短路绕组电磁变流器
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816971
B. Korobeynikov, A. Ishchenko, Andrey G. Pechenkin, D. Ishchenko
{"title":"Electromagnetic Converters with Short-Circuited Winding for Power Systems Protection","authors":"B. Korobeynikov, A. Ishchenko, Andrey G. Pechenkin, D. Ishchenko","doi":"10.1109/td43745.2022.9816971","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816971","url":null,"abstract":"This paper introduces new electromagnetic multiphase converter (EMC) that is capable of deriving voltage and current magnitudes for protective relaying applications through vector summation of the secondary voltages generated by the converter. The phase shifts for the output voltages are created by a short-circuited winding located on one of the magnetic cores. The paper discusses EMC parameter identification and provides recommendations for creating new microprocessor-based protective relaying devices based on this technology.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129747525","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 Power System Current Sensors via Playback of Electrical Disturbances 通过电干扰回放的电力系统电流传感器比较
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816939
Aaron J. Wilson, B. Warmack, R. Kerekes, Patrick Brukiewa
{"title":"Comparison of Power System Current Sensors via Playback of Electrical Disturbances","authors":"Aaron J. Wilson, B. Warmack, R. Kerekes, Patrick Brukiewa","doi":"10.1109/td43745.2022.9816939","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816939","url":null,"abstract":"The need to accurately measure high-frequency content in power system voltage and current phenomena is increasingly becoming more of a priority. As the amount of distributed energy resources (DER) and nonlinear loads penetrating the grid increases, so do challenges associated with traditional measurement and metering applications. In this paper, three commercially-available medium-voltage-level current sensors are characterized in terms of their harmonic amplitude and phase performance against reference signals that are “played back” through the sensors through the use of an arbitrary waveform generator. It is shown that none of the three sensors studied are able to faithfully replicate all of the input signals completely, though there are advantages and disadvantages to each in terms of noise, resonance, and induced phase drift. Additionally, the Goodness-of-Fit metric, typically used for PMU model validation, is used to generate side-by-side comparisons of sensor accuracy over a small window around the events under study.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134354952","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
Polarized Distribution Protection Coordination Strategy Under the Impact from Various Distributed Energy Resources (DER) Generation Points 分布式能源各发电点影响下的极化配电保护协调策略
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816925
Haowei Lu, Hussain Biyawerwala, Hasnain Thakrawala
{"title":"Polarized Distribution Protection Coordination Strategy Under the Impact from Various Distributed Energy Resources (DER) Generation Points","authors":"Haowei Lu, Hussain Biyawerwala, Hasnain Thakrawala","doi":"10.1109/td43745.2022.9816925","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816925","url":null,"abstract":"The present design of protection systems is based on power flowing in a single direction, which allows for unpolarized (non-directional) protection schemes. With the large influx of renewable technologies recently introduced into the electric power system, referred to as distributed energy resources (DER), creates many challenges to adequately maintain existing protection schemes. Protection engineers design protection systems to safely eliminate faults from the electric power system that was exclusively built with rotating machines (which have quite a different behavior under fault than inverter-based sources). As the penetration level of DER increases, the adverse impacts from DER is no longer to be considered minimal. With DER becoming influential in the distribution system, the current utility protection strategy merits a comprehensive investigation. This paper discusses major protection issues caused by DERs and provides utility-verified solutions based on more than 500 DER interconnection project system impact studies. An optimized coordination flow chart is provided in this paper along with software CYMEDIST-verified real US utility radial distribution feeders, which were used for simulations and related validation.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134062611","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
Optical current transformer for 765 kV AIS substation: A project review from certification to commissioning 765 kV AIS变电站光电流互感器:从认证到调试的项目回顾
2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D) Pub Date : 2022-04-25 DOI: 10.1109/td43745.2022.9816953
T. Heid, Constantin Simion, Minh Duc Vo
{"title":"Optical current transformer for 765 kV AIS substation: A project review from certification to commissioning","authors":"T. Heid, Constantin Simion, Minh Duc Vo","doi":"10.1109/td43745.2022.9816953","DOIUrl":"https://doi.org/10.1109/td43745.2022.9816953","url":null,"abstract":"This paper describes a pilot project, initiated by Hydro Quebec, implementing for the first time a 765kV optical current transformer (OCT) in one of HQ's substations. In this paper, we will discuss the project, starting from the concept to a series of pre-tests conducted at HQ's research laboratory IREQ. Based on this, the paper will elaborate the ecosystem of the project, including customer specifications and system design along with their respective implications on the product's design. Furthermore, the production and factory testing of the OCT and the merging unit (MU), as well as the complete certification cycle including testing of the MU and the primary OCT are discussed. This paper emphasizes the test plan and the applicable standards. In addition, the field installation and commissioning of the equipment up to the concluding site acceptance tests (SAT) are shown. Furthermore, the issues faced during different phases of the project along with the lessons learned and future developments of the concept are described.","PeriodicalId":241987,"journal":{"name":"2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130278246","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
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