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Future workplace EV charging architectures: DC and AC charging choices 未来工作场所电动汽车充电架构:直流和交流充电选择
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114837
M. Yasko, Attila Bálint, J. Driesen, W. Martínez
{"title":"Future workplace EV charging architectures: DC and AC charging choices","authors":"M. Yasko, Attila Bálint, J. Driesen, W. Martínez","doi":"10.1109/ESARS-ITEC57127.2023.10114837","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114837","url":null,"abstract":"The evaluation of differences between the electric vehicle (EV) charging architectures is a crucial point in choosing between AC and DC charging solutions, given the diverse requirements of various use cases (e.g. workplace charging). This research paper presents a model and simulation of EV charging architectures, including the grid, photovoltaic (PV), and battery energy storage system (BESS), for varied charging scenarios to investigate the power conversion efficiency of AC and DC charging at 11 kW and 22 kW power levels. The EV chargers are used in different architectures to simulate charging scenarios using grid, PV, and BESS. The simulation parameters incorporate a typical office consumption profile and multiple charging points for both power levels. The simulation results demonstrate that DC charging is superior in both PV and BESS scenarios, with PV charging being more efficient. The daily losses for different charging architectures were extrapolated to weekly and annual losses to elucidate the long-term benefits of PV DC charging.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"211 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75083772","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
Holistic Design of a Twin-Hull Short-Sea Shipping Vessel With Hybrid-Electric Propulsion 混合动力推进双壳短海船舶整体设计
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114881
Panagiotis Margaronis, A. Kanellopoulou, Nicholas E. Silionis, D. Liarokapis, E. Sofras, J. Prousalidis
{"title":"Holistic Design of a Twin-Hull Short-Sea Shipping Vessel With Hybrid-Electric Propulsion","authors":"Panagiotis Margaronis, A. Kanellopoulou, Nicholas E. Silionis, D. Liarokapis, E. Sofras, J. Prousalidis","doi":"10.1109/ESARS-ITEC57127.2023.10114881","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114881","url":null,"abstract":"In this paper, a holistic approach to design from scratch a ship with electric propulsion based on power supply by batteries is presented. The ship is designed to cover short-sea distances and based on the trip profiles, three alternative catamaran schemes are studied from the ship design, the shipbuilding and the ship energy system design point of view.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"24 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73358886","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
Modeling and Experimental Validation of Tram Power Consumption 有轨电车功耗建模与实验验证
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114815
Nermin Colo, S. Huseinbegović, S. Smaka, Branislava Peruničić Dračenović, S. Masic
{"title":"Modeling and Experimental Validation of Tram Power Consumption","authors":"Nermin Colo, S. Huseinbegović, S. Smaka, Branislava Peruničić Dračenović, S. Masic","doi":"10.1109/ESARS-ITEC57127.2023.10114815","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114815","url":null,"abstract":"Energy consumed by trams is studied in many papers, with a wide diversity of approaches regarding how to model and solve this problem. A novel approach to modeling the power consumption of trams is presented in this paper. To identify the unknown parameters influencing the rolling resistance force acting on the tram, it is necessary to measure the power consumption and speed of a single tram (or multiple trams if there are different car types in operation). The developed model of the tram is calibrated with data from the Sarajevo tram system. Simulation results are compared with measurements and a good correlation was obtained. The power consumption model of the tram with identified parameters can be further used to develop a framework for the power consumption estimation of the traction substation.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"6 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73940608","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
Minimization of DC-Link Capacitance in Voltage Source Rectifiers through Nonlinear Controls Based on Lyapunov's Direct Method 基于李雅普诺夫直接法的非线性控制电压源整流器直流链路电容最小化
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114846
Mark Vygoder, R. Cuzner, Brian S R Armstrong
{"title":"Minimization of DC-Link Capacitance in Voltage Source Rectifiers through Nonlinear Controls Based on Lyapunov's Direct Method","authors":"Mark Vygoder, R. Cuzner, Brian S R Armstrong","doi":"10.1109/ESARS-ITEC57127.2023.10114846","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114846","url":null,"abstract":"The increased switching frequency offered by Silicon Carbide (SiC) based Multi-chip Power Modules may allow designers to reduce the size and weight of passive elements while still meeting converter specifications. For the 3-phase Voltage Source Rectifier (VSR), as switching frequency increases, the DC-link capacitor may be reduce while maintaining the same voltage ripple. However, an often overlooked part in sizing the DC-link capacitance is the converter's stability. The use of conventional control methods, such PI-based controls, may lead to larger DC-link capacitance to prevent instability, minimizing the value proposition of Wide Band Gap-based power conversion. Applications like electrified shipboard or more electrical aircraft can be extremely sensitive to increases in size/weight due to limited space and/or significant annualized fuel costs. To this end, this paper explores, through simulation, a nonlinear control method based on Lyapunov's direct method published 25 years ago to minimize DC-link capacitance of an SiC-based VSR.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"58 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74029047","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 High-Temperature Fuel Cells for Hybrid electric Ship Propulsion 高温燃料电池用于混合动力船舶推进的实例研究
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114817
F. Balsamo, C. Capasso, T. Coppola, L. Micoli, R. Russo, O. Veneri
{"title":"A case study on High-Temperature Fuel Cells for Hybrid electric Ship Propulsion","authors":"F. Balsamo, C. Capasso, T. Coppola, L. Micoli, R. Russo, O. Veneri","doi":"10.1109/ESARS-ITEC57127.2023.10114817","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114817","url":null,"abstract":"In recent years, fuel cells have been considered more and more attractive devices for generating electric power from green fuels. On the other hand, their applications are still limited by technical issues, which are mainly related to hydrogen availability and storage. In the case of an onboard application for ships, hydrogen use is subjected to further restrictions and proper regulation is still under development. In this context, high-temperature fuel cells represent an interesting solution, since they can be equipped with reformers that convert liquid fuels into hydrogen, overcoming all the difficulties associated with its presence onboard. In this paper, a 5-kW high-temperature fuel cell system powered by methanol is analyzed for its possible application as a main propulsion power source for a small boat. An energy storage system is also considered in order to improve the overall system response. Preliminary results of fuel cell parameters at various operating points and during different working conditions have been obtained by means of a laboratory set-up. The obtained results have been also used to evaluate a preliminary system design.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"60 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84529018","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
A Comprehensive Study of a Railway Power Conditioner for 25 kV Substations with Scott and V/V Transformer 25kv斯科特- V/V变压器铁路调压器综合研究
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114831
Paul Sacco, P. Ladoux, S. Sanchez, Mahmoud Hassan
{"title":"A Comprehensive Study of a Railway Power Conditioner for 25 kV Substations with Scott and V/V Transformer","authors":"Paul Sacco, P. Ladoux, S. Sanchez, Mahmoud Hassan","doi":"10.1109/ESARS-ITEC57127.2023.10114831","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114831","url":null,"abstract":"The 25 kV AC railway power supply is widespread worldwide, but it produces a voltage unbalance on the upstream three-phase electric power transmission grid. Nowadays, the railway traffic increase exacerbates this unbalance issue. The use of power electronic converters appears to be an appropriate response. This paper first recalls the principle of the Railway Power Conditioner (RPC). This converter redistributes power between two railway sectors of the same substation. The study focuses on substations with either Scott or VV transformer arrangements. Simulations, considering the actual power consumption of a substation, are carried out. The sizing of converter is then discussed, taking into account the type of transformer (Scott or VV) and a control with a partial or total compensation of voltage unbalance.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"12 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89123087","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 and efficiency measurement of a sub-unit for a 20kW DC-DC multiphase power converter 20kW DC-DC多相电源变换器子单元的设计与效率测量
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114845
Bastien Pasquet, S. Vinnac, J. Blaquière, T. Meynard, S. Sanchez
{"title":"Design and efficiency measurement of a sub-unit for a 20kW DC-DC multiphase power converter","authors":"Bastien Pasquet, S. Vinnac, J. Blaquière, T. Meynard, S. Sanchez","doi":"10.1109/ESARS-ITEC57127.2023.10114845","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114845","url":null,"abstract":"This paper explores various design strategies for low-voltage, high current DC-DC converters, in order to optimize efficiency, volume, and mass, while keeping the project as simple and cost efficient as possible by using only on-the-shelf components, including inductor and heatsinks. The impact of topologies on both efficiency and compactness is studied for a specific aeronautical application. A 2kW 3-level FCML module has been developed for a 100V to 28V DC-DC step-down. It relies on pairs of paralleled EPC2022 GaN transistors to significantly increase converter power density. Two routing strategies to reduce parasitic switching loops are compared using computer simulations, with experimental verification. First experimental results on a prototype show an efficiency up to 98.4% for a specific power of 12.5kW/L.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"49 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88948016","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
Smart Integration and Energy Optimization of EVs Charging Systems in a Nanogrid 纳米电网中电动汽车充电系统的智能集成与能量优化
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114889
Stefano Leonori, C. Moscatiello, M. Falvo, F. M. Frattale Mascioli
{"title":"Smart Integration and Energy Optimization of EVs Charging Systems in a Nanogrid","authors":"Stefano Leonori, C. Moscatiello, M. Falvo, F. M. Frattale Mascioli","doi":"10.1109/ESARS-ITEC57127.2023.10114889","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114889","url":null,"abstract":"The electrification of the transportation for a sustainable mobility is an outcome of the European strategy to reduce the environmental pollution. It requires the need to upgrade the electric distribution system with smart infrastructures able to locally manage the energy demand of the Electric Vehicles (EVs) charging systems. A first level of integration can be implemented in smart homes and nanogrids. In such scenario, local renewable energy sources, energy storage systems, smart appliances and EVs charging points can be managed in a smart way, with the aim to minimize the stress on the distribution grid given by the stochastic and intermittent behaviour of the aggregated demand. This paper presents a study focused on the energy flow optimization of a smart home equipped with a bidirectional EV charging wallbox, a local energy storage system (ESS) and two deferrable appliances (DAs). The impact of the smart charging, the DAs and the local ESS in the smart home are evaluated and discussed in detail considering different case studies.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"15 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89187596","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
Capacity Fade Estimation of LiFePo Cells Based on Improved Impulse Response Method: Experimental Results 基于改进脉冲响应法的LiFePo电池容量衰减估计:实验结果
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114873
D. Iannuzzi, Mattia Ribera, Paola Satariano, Emanuele Fedele, F. Pagliarini, Pasquale Cennamo, Filippo Orsini, Luigi Petrazzuoli, Marcello Spinelli
{"title":"Capacity Fade Estimation of LiFePo Cells Based on Improved Impulse Response Method: Experimental Results","authors":"D. Iannuzzi, Mattia Ribera, Paola Satariano, Emanuele Fedele, F. Pagliarini, Pasquale Cennamo, Filippo Orsini, Luigi Petrazzuoli, Marcello Spinelli","doi":"10.1109/ESARS-ITEC57127.2023.10114873","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114873","url":null,"abstract":"The paper presents an Improved Impulse Response (IIR) method for the identification of capacity fade in LiFePo pouch 40Ah cells. The impulse response (IR) method for capacity-fade identification consists of building a pre-calculated table in which the cell voltage response to a input pulse current is measured and stored at a given State of Charge (SoC) for several iterations of full charge/discharge ageing cycles. Each stored impulse response can be used to calculate the voltage response to whatever input by means of convolution integral. However, since the same method can be also used for on-line SoC identification, it is necessary to investigate on the correlation between the cell impulse response, SoC and residual capacity, and the temperature. To this aim, an IIR method is here proposed that allows to evaluate the accuracy of IRs at different conditions of SOC, capacity fade, and temperature. A significative planning of charge-discharge cycles and IR measurements has been carried out to this aim. At present, only some rows of the IIR matrix have been already characterized.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"106 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81014053","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
A Novel Root-Finding Algorithm to Solve the Pseudo-2D Model of a Lithium-ion Battery 一种求解锂离子电池准二维模型的寻根算法
AUS Pub Date : 2023-03-29 DOI: 10.1109/ESARS-ITEC57127.2023.10114840
Toshan Wickramanayake, M. Javadipour, K. Mehran
{"title":"A Novel Root-Finding Algorithm to Solve the Pseudo-2D Model of a Lithium-ion Battery","authors":"Toshan Wickramanayake, M. Javadipour, K. Mehran","doi":"10.1109/ESARS-ITEC57127.2023.10114840","DOIUrl":"https://doi.org/10.1109/ESARS-ITEC57127.2023.10114840","url":null,"abstract":"Lithium-ion Batteries (LiBs) have become the main energy storage chemistry for applications like electric vehicles (EVs). High-fidelity physics model of LiBs for online operation of a battery management system (BMS) is yet to be achieved and is ongoing research. In this paper, a novel algorithm is proposed to implement a pseudo-two-dimensional (P2D) model of a LiB using the Finite Volume and Euler Methods. Our proposed approach uses a novel root-finding algorithm that solves the P2D model with the same degree of accuracy as commercially available solvers but with much faster solving speeds, making our approach suitable for real-time applications.","PeriodicalId":38493,"journal":{"name":"AUS","volume":"21 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85251398","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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