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Optimization of PV Interconnections for a Solar-charged Electric Vehicle to Maximize On-board Solar Generation 优化太阳能充电电动汽车的光伏互连以最大化车载太阳能发电
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10187110
Muhammad Hosnee Mobarak, J. Bauman
{"title":"Optimization of PV Interconnections for a Solar-charged Electric Vehicle to Maximize On-board Solar Generation","authors":"Muhammad Hosnee Mobarak, J. Bauman","doi":"10.1109/ITEC55900.2023.10187110","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10187110","url":null,"abstract":"Recent advancements in high-efficiency flexible thin-film solar cells make it possible for solar-charged electric vehicles to obtain ample solar energy from on-board photovoltaic (PV) cells. To maximize the on-board solar energy generation while driving and parked even under partial shading conditions, this paper demonstrates the necessity of the optimization of the PV interconnections and proposes an optimization method using Genetic Algorithm. Using solar radiation data, modeled partial shading data, and temperature profiles of Los Angeles (LA) to run simulations in MATLAB/Simulink, this research shows the monthly and annual accumulated on-board solar energy comparison between the optimized PV interconnection and an unoptimized design, and demonstrates that an annual 3% more on-board solar energy could be accumulated in LA with the proposed PV interconnection optimization method.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"5 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113974680","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
Development and Testing of 10 kV/60Hz Modular Transformer to Study Strong Electric Field Impacts on Drones in Power Line Inspection Applications 10kv /60Hz模块化变压器研制与试验研究强电场对无人机在电力线巡检中的影响
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10187116
Shervin Salehi Rad, R. Kheirollahi, Amr Mostafa, Zilong Zheng, Shuyan Zhao, Yao Wang, Hua Zhang, Gary Friedman, F. Lu
{"title":"Development and Testing of 10 kV/60Hz Modular Transformer to Study Strong Electric Field Impacts on Drones in Power Line Inspection Applications","authors":"Shervin Salehi Rad, R. Kheirollahi, Amr Mostafa, Zilong Zheng, Shuyan Zhao, Yao Wang, Hua Zhang, Gary Friedman, F. Lu","doi":"10.1109/ITEC55900.2023.10187116","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10187116","url":null,"abstract":"Multi-rotor drones (MR-drones) are increasingly used for power line inspection due to their accuracy and ease of use. However, they can be affected by the strong electric fields around transmission power lines, disrupting their positioning measurements and calculations and causing them to lose control. This paper presents an experimental study of a 10 kV modular transformer as a test setup to investigate impacts of strong electric fields on drones. The presented transformer includes eight 1.25 kV sub-module transformers, leveraging simplicity and scalability. Along with the design methodology and mathematical investigations, the practical difficulties are illustrated. To show the effectiveness of the presented high-voltage transformer, some preliminary experimental results are presented.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124443548","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
Field Analysis Based Open-Phase Fault Modeling and Postfault Torque Control for a Triple Three-Phase Synchronous Reluctance Motor 基于磁场分析的三相同步磁阻电机开相故障建模及故障后转矩控制
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10187091
M. Shuaibu, O. Ojo
{"title":"Field Analysis Based Open-Phase Fault Modeling and Postfault Torque Control for a Triple Three-Phase Synchronous Reluctance Motor","authors":"M. Shuaibu, O. Ojo","doi":"10.1109/ITEC55900.2023.10187091","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10187091","url":null,"abstract":"Performance of an electric motor is one of the most critical factors in vehicle electrification. This makes the reliability of motor drive system in electric vehicles a priority in design, operation and control. The adverse effect of faults includes high pulsating torque generation, resulting into vibrations, and probable breakdown of the entire drive system. Proper fault modeling and postfault control of the motor becomes necessary for the fault-tolerant capability to be utilized. Therefore, this paper presents open-phase fault modeling and postfault control of a Triple Three - Phase Synchronous Reluctance Motor. The torque control is applied on the currents hence electromagnetic (EM) field concept that employs current becomes the most suitable choice of analysis. The fault model and postfault pulsating torque suppression were presented. Multi-static Finite Element Analysis (MS-FEA) was conducted on the model to verify the formulation. The results from MS-FEA confirmed the analytical values using the field methods.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127662803","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
Lithium Iron Phosphate State of Charge Estimation, Cycle Life and Capacity Fading 磷酸铁锂的电荷状态估计、循环寿命和容量衰减
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10187111
Manraj Singh Ladhar, Sheldon Williamson
{"title":"Lithium Iron Phosphate State of Charge Estimation, Cycle Life and Capacity Fading","authors":"Manraj Singh Ladhar, Sheldon Williamson","doi":"10.1109/ITEC55900.2023.10187111","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10187111","url":null,"abstract":"SoC estimation is considered to be the most crucial and complex part of designing any battery powered product as it involves various algorithms and techniques to be implemented. In this paper, the arguments to be considered in order to eliminate SoC Estimation Error are presented by carrying out Charge-Discharge Cycles on 100Ah Lithium Iron Phosphate Cells at different C-Rates and plotting a Voltage vs State of Charge Curve. Measuring the precise values of the remaining Ah of a Cell in percentage for the end user requires several aspects of the Cell Chemistry and its behaviour under the range of operating conditions (Safe Operating Area) to be studied intensively.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122254617","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
DC Link Voltage Control Strategy for Electric Propulsion Aircraft 电力推进飞机直流链路电压控制策略
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10186978
Peilin Liu, X. Pei, X. Zeng, R. Surapaneni, G. Galla, L. Ybanez
{"title":"DC Link Voltage Control Strategy for Electric Propulsion Aircraft","authors":"Peilin Liu, X. Pei, X. Zeng, R. Surapaneni, G. Galla, L. Ybanez","doi":"10.1109/ITEC55900.2023.10186978","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10186978","url":null,"abstract":"This paper proposes a DC link voltage control strategy for electric propulsion aircraft (EPA). This control strategy aims to achieve dynamic load management while ensuring the DC voltage stability through an adaptive V-I droop control. The steady-state voltage deviation can be improved through the droop and PI control with the introduction of the real-time current and voltage measurement at the DC link. Stability analysis based on the eigenvalue contours is used to improve the reliability of AC/DC systems for the control parameters used in the proposed control. Besides, the stability region and power boundary for the AC/DC systems are characterized, which provides a safety load curve reference for the power control. These analyses describe the safety operation margin of the proposed control strategy and provide a voltage and power reference to the design of AC/DC systems for aviation application. The simulation demonstrates the effectiveness of the proposed control strategy in terms of response time and the stability of the DC link voltage.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127976529","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
Optimization-based Gain Tuning Method of Sliding-mode-based Flux Linkage Observer for PMSM with Wide Operating Range 大工作范围永磁同步电机滑模磁链观测器的增益优化调谐方法
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10187093
Xudonga Wang, Wesam Taha, Sumedh Dhale, Feng Sun, B. Nahid-Mobarakeh, A. Emadi
{"title":"Optimization-based Gain Tuning Method of Sliding-mode-based Flux Linkage Observer for PMSM with Wide Operating Range","authors":"Xudonga Wang, Wesam Taha, Sumedh Dhale, Feng Sun, B. Nahid-Mobarakeh, A. Emadi","doi":"10.1109/ITEC55900.2023.10187093","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10187093","url":null,"abstract":"The second-order sliding mode observers (SOSMOs) have proved to provide good robustness against parameter variation while maintaining a good dynamic response. This paper presents an efficient gain-tuning method for stator flux linkage SOSMOs in permanent magnet synchronous machines (PMSMs). The tuning of SOSMO gains is essential to achieve the adequate performance of the observer. However, this is challenging under varied operating conditions. To alleviate this issue, the proposed method involves two steps. Firstly, a set of optimal gains is obtained by optimizations at each operating point. Secondly, based on the optimized gains, lookup tables are created in order to adapt to the operating condition variation. A simulation study is conducted to demonstrate the effectiveness of the proposed tuning method.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121681682","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
Design of Grid-side Power Management for Bidirectional DWPT Chargers on EV Roadways 电动汽车道路双向DWPT充电器的电网侧电源管理设计
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10186936
A. Azad, U. Pratik, Reza Tavakoli, Zeljko Pantic
{"title":"Design of Grid-side Power Management for Bidirectional DWPT Chargers on EV Roadways","authors":"A. Azad, U. Pratik, Reza Tavakoli, Zeljko Pantic","doi":"10.1109/ITEC55900.2023.10186936","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10186936","url":null,"abstract":"Dynamic Wireless Power Transfer (DWPT) entails an inherently transient power profiles from the electric grid. These power profiles, ranging from tens to hundreds of kilowatts, could expose the grid to significant stress, potentially affecting grid stability. This operating scenario occurs irrespective of the grid-to-vehicle (G2V) or vehicle-to-grid (V2G) charging infrastructure on EV roadways. In this paper, bidirectional DWPT system is designed which manages the grid-side transients, significantly reducing the grid peak-power transients for both G2V and V2G charging scenarios. Supercapacitor units are employed on the grid side as power-buffering units. This design does not require additional grid-side converters, and facilitates downsizing grid side power electronics and cable ratings.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132051832","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
An Energy Management Strategy for All Electric Aircraft Based on Multi-stack Fuel Cells 基于多堆燃料电池的全电动飞机能量管理策略
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10186915
Xiaoyue Chai, Rui Ma, Jian Song, H. Sun, Congcong Wang, Zhi Feng
{"title":"An Energy Management Strategy for All Electric Aircraft Based on Multi-stack Fuel Cells","authors":"Xiaoyue Chai, Rui Ma, Jian Song, H. Sun, Congcong Wang, Zhi Feng","doi":"10.1109/ITEC55900.2023.10186915","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10186915","url":null,"abstract":"Multi-stack fuel cell systems (MFCS) have the potential to deliver superior output performance and increased reliability compared to single-stack fuel cell systems (SFCS). These characteristics make MFCS particularly well-suited for aviation applications that demand high power output. Moreover, energy management strategies are crucial for realizing the power distribution between fuel cells and batteries and ensuring the dependability of electric propulsion systems. In this article, we introduce a novel approach based the equivalent consumption minimization strategy (ECMS) that takes into account the system cost. This strategy is solved through a sequential quadratic programming algorithm. By implementing this strategy, the efficiency of MFCS can be improved, the overall cost of the system can be reduced, power fluctuation of the fuel cell system can be minimized, and the stack with poor performance can be protected, ultimately increasing the system's lifespan. These improvements make ECMS an ideal solution for the aviation industry, helping to advance the application of MFCS.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"129 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134023207","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
Characterization of Li-ion Batteries under Low Pressure for Electric Air Mobility 电动空气机动用低压锂离子电池的特性研究
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10186971
Faissal El Idrissi, Emanuele Gravante, P. Ramesh, M. D’Arpino
{"title":"Characterization of Li-ion Batteries under Low Pressure for Electric Air Mobility","authors":"Faissal El Idrissi, Emanuele Gravante, P. Ramesh, M. D’Arpino","doi":"10.1109/ITEC55900.2023.10186971","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10186971","url":null,"abstract":"The aviation industry is committed to reducing emissions caused by the propulsion system through electrification that can enable a more sustainable transportation system. Lithium-ion batteries are one of the most promising enabling technologies for the transition to electrified air mobility. Despite their potential advantages, the operation of Li-ion battery cells in aircraft applications can pose significant hazards, especially in high-altitude and dynamic environmental conditions. Pouch cells, in particular, are known to be more vulnerable to failure modes due to their soft case, which can be prone to swelling mechanisms and electrolyte venting. Such failure modes can result in hazardous scenarios, such as thermal runaway and fires. Given that pouch cells are compact, lightweight, and capable of delivering high energy and power, they are increasingly being considered for electrified aviation applications. Therefore, it is crucial to establish a standardized testing procedure that can emulate the environmental conditions encountered in aviation. The goal of such a procedure is to investigate and characterize the performance of Li-ion battery cells at high altitudes, where environmental pressure and temperature can vary significantly. This paper aims at providing a testing procedure to characterize the performance of pouch cells for propulsion under low-pressure conditions, considering RTCA standard requirements as a reference. An experimental test setup able to control and monitor the cell temperature, external load, and environmental pressure is developed in order to conduct tests in a controlled environment.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133368287","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 Power Sharing Speed Compensation in On-road Wireless EV Charging Systems 道路无线充电系统的最优功率共享速度补偿
2023 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2023-06-21 DOI: 10.1109/ITEC55900.2023.10186946
Donovin D. Lewis, O. Onar, V. Galigekere, Mostak Mohammad, D. Ionel
{"title":"Optimal Power Sharing Speed Compensation in On-road Wireless EV Charging Systems","authors":"Donovin D. Lewis, O. Onar, V. Galigekere, Mostak Mohammad, D. Ionel","doi":"10.1109/ITEC55900.2023.10186946","DOIUrl":"https://doi.org/10.1109/ITEC55900.2023.10186946","url":null,"abstract":"Dynamic wireless charging of electric vehicles (EV) is an emerging technology with the potential to address range anxiety and reduce the size of batteries or provide charge-sustaining operation. Charging demand for dynamic wireless charging systems (DWCS) varies greatly in response to location-specific traffic behaviors including the number and speed of vehicles. This paper highlights the potential reduction of load variation with speed compensation and simulates opportunities to maximize the number of cars charged concurrently through “power sharing” or altering power output to slower cars while maintaining a maximum delivered energy. An improved sub-minute model for synthetic traffic is proposed to effectively model DWCS load on high speed roadways and a power electronics model is created based on an existing prototype developed by ORNL to investigate the potential for power sharing. Reductions in the average speed of traffic can greatly increase instantaneous DWCS load by as much as 26%, complicating capacity sizing. Parametric studies with a LCC-S power electronics model shows feasible power reduction of more than 20%, while maintaining a maximum achievable efficiency greater than 90%. Speed compensation on a roadway with large speed variation can reduce average power expected by 21% and increase the maximum number of cars charged simultaneously by 30%. The application of power sharing may significantly reduce load variability due to speed, allow for increased car hosting capability, and guarantee a maximum energy delivered.","PeriodicalId":234784,"journal":{"name":"2023 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133690567","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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