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Evaluation of Different Francis Turbine Modelling Techniques for Real Time Digital Simulator Applications 不同混流式水轮机建模技术在实时数字模拟器中的应用评估
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990493
Hasan Akbari, R. Schürhuber, J. Pérez-Díaz, J. Sarasúa
{"title":"Evaluation of Different Francis Turbine Modelling Techniques for Real Time Digital Simulator Applications","authors":"Hasan Akbari, R. Schürhuber, J. Pérez-Díaz, J. Sarasúa","doi":"10.1109/SMART55236.2022.9990493","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990493","url":null,"abstract":"In this paper, several well-known modelling techniques of the Francis turbine in the hydropower plants for applying in the real time digital simulator (RTDS) e.g. dSpace – SCALEXIO, are presented and compared. According to the results, selecting proper modelling technique depends on the aim and outlook of the study. It is important to mention that RTDS is the brain and main intelligent core of a powerful laboratory setup named power hardware in the loop (PHIL) system as a very useful laboratory equipment for power systems studies and testing hardware in emulated power system conditions. Furthermore, considering the increase number of variable speed pumped storage hydropower units in recent years and future plans, this paper and its result assist researchers to select a proper modelling technique for implementing the Francis pump-turbine in the RDTS to model variable speed PSH units in the power system studies.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120958494","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
Analysis of the Thermal Limits of Conventional Eddy Current Brakes based on a Thermal 1d-Model 基于一维热模型的传统涡流制动器热极限分析
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990281
C. Holtmann, F. Rinderknecht, A. Möckel
{"title":"Analysis of the Thermal Limits of Conventional Eddy Current Brakes based on a Thermal 1d-Model","authors":"C. Holtmann, F. Rinderknecht, A. Möckel","doi":"10.1109/SMART55236.2022.9990281","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990281","url":null,"abstract":"This article describes the thermal limits of conventional eddy current brakes with an eddy current element with homogeneous material density. Eddy current brakes are wear-free, but have a low power density compared to friction brakes. Most conventional eddy current brakes on the market or in other publications run at a speed of less than 3000 rpm. The objective of this work is to evaluate the maximum speed and theoretical power density of eddy current brakes of the references shown in this work. The maximum speed is limited by the maximum allowable temperature and the maximum allowable load on the rotor due to centrifugal forces. Therefore, the maximum speed and maximum power density are approximated with a transient thermal model after evaluating the maximum speed at 20 degrees Celsius for different applications. Prior to this, the geometry data of the eddy current brakes are evaluated and the torque-speed curves are fitted using a model-based approach to approximate the torque at higher speeds. The highest power density electrically excited eddy current brake studied in this work would have a maximum power density of 4kWk$text{g}^{-1}$ and the permanent magnet excited eddy current brake of about 15 kWk$text{g}^{-1}$","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125676180","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
Torque Enhancement of Surface-mounted Permanent Magnet Synchronous Machines via Axial Assisted Magnets 轴向辅助磁体增强表面贴装永磁同步电机的转矩
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990242
Jinya Chen, Kan Liu, Shichao Zhou, Huaqiang Cai, Yongdan Chen, Chao Huang, Dinghua Zhang
{"title":"Torque Enhancement of Surface-mounted Permanent Magnet Synchronous Machines via Axial Assisted Magnets","authors":"Jinya Chen, Kan Liu, Shichao Zhou, Huaqiang Cai, Yongdan Chen, Chao Huang, Dinghua Zhang","doi":"10.1109/SMART55236.2022.9990242","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990242","url":null,"abstract":"A torque enhancement scheme using axial assisted magnets for surface-mounted permanent magnet synchronous machines (SPMSMs) is proposed in this paper. It divides the total permanent magnets into two parts viz. main magnets mounted on the rotor surface, and assisted magnets in the axial direction, with the restriction of the same volume of magnets. According to the theoretical derivation and the finite element (FE) analyses, the proposed design can effectively enhance the output torque after a reasonable combination of the size parameters of main and assisted magnets, while the machine outer size, armature winding current, and volume of total permanent magnets are the same as the conventional SPMSM. The optimal results, average torque increased by over 6.2% without sacrificing torque ripple, of the proposed machine are obtained with the sequential optimization and validated by the experiments.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"423 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123036472","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
Hydraulics Decentralization on a Mobile Crane 移动式起重机液压分散化研究
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990169
Matteo Beligoj, M. Zava, L. Alberti, Alessandro Termini
{"title":"Hydraulics Decentralization on a Mobile Crane","authors":"Matteo Beligoj, M. Zava, L. Alberti, Alessandro Termini","doi":"10.1109/SMART55236.2022.9990169","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990169","url":null,"abstract":"A simple quasi-static simulation model was developed to allow for a fast energetic analysis of hydraulic systems. The purpose of the analysis is the identification of the major sources of losses and of the most suitable approaches to save energy on a mobile crane. A comparison between a centralized and a decentralized hydraulic circuit was performed. Various load cycles were analyzed and it emerged that energy consumption and installed power can be reduced up to 30% and almost up to 50%, respectively, strongly depending on the load cycle. However, if pump operation is possible only above a certain speed, decentralization can lead to a deterioration of the energetic performance.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123963845","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
Comparative Study Among Different Rotor Topologies of Axial Flux Permanent Magnet Machines 轴向磁通永磁电机转子不同拓扑结构的比较研究
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990232
Salman Ali, Guido Rubino, Luca Ciprini, Rafat Ali, F. Marignetti
{"title":"Comparative Study Among Different Rotor Topologies of Axial Flux Permanent Magnet Machines","authors":"Salman Ali, Guido Rubino, Luca Ciprini, Rafat Ali, F. Marignetti","doi":"10.1109/SMART55236.2022.9990232","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990232","url":null,"abstract":"The optimization of the permanent magnet shape and dimension is crucial for the performance improvement of axial flux permanent magnet (AFPM) machines. In this paper, different magnet shapes are studied and compared based on the performance results. A new magnet shape is also proposed. The cogging torque is considered the most prominent noise source in axial flux permanent magnet (AFPM) machines. Different magnet shapes are analyzed and compared to optimize the efficiency of axial flux permanent magnet (AFPM) machines. Flat trapezoidal pole, curved pole and skewed pole are studied and analyzed and a new shape which is a combination of curved and skewed magnet shape is proposed to further reduce the cogging torque and improve the overall efficiency of axial flux permanent magnet (AFPM) machines. The study focuses on single-sided machines, but the results are valid even for double-sided machines and can be easily extended to other configurations.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"87 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128161740","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
Wave Loading of a Half Ellipsis Array Type Offshore Structure Supporting a Wind Turbine 支撑风力机的半椭圆阵列海上结构的波浪载荷
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990350
T. Mazarakos
{"title":"Wave Loading of a Half Ellipsis Array Type Offshore Structure Supporting a Wind Turbine","authors":"T. Mazarakos","doi":"10.1109/SMART55236.2022.9990350","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990350","url":null,"abstract":"The paper summarizes the hydrodynamic analysis for the modeling of a half ellipsis array offshore floating structure, suitable for the exploitation of offshore wind and wave energy sources. The floating structure supports a 5 MW Wind Turbine (WT) and consists of an array of five hydrodynamically interacting vertical cylinders. Details of the system modeling are studied and numerical results are obtained in the frequency domain. The objective of the analysis is to examine the wave exciting forces, the wave elevation and the mean second-order forces of the array, because these geometric arrangements are considered as possible wave-energy-extraction mechanisms, given that their modules are allowed to oscillate in six degrees of freedom. Also, constructions of this form can be used for collecting marine litter.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131986482","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
Speed Sensorless Control based on Luenberger Observer for DC Motors 基于Luenberger观测器的直流电机无速度传感器控制
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990558
Guido Rubino, G. Tomassi, Luca Ciprini, Salman Ali, F. Marignetti
{"title":"Speed Sensorless Control based on Luenberger Observer for DC Motors","authors":"Guido Rubino, G. Tomassi, Luca Ciprini, Salman Ali, F. Marignetti","doi":"10.1109/SMART55236.2022.9990558","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990558","url":null,"abstract":"This paper provides a technical analysis of the sensorless method using observer Luenberger for speed determination for controlling DC motor drives using a current sensor. The operation of the sensorless speed control of a DC motor was verified in MATLAB/Simulink and then experimentally implemented on setup hardware to make a comparison between the Luenberger estimated value and the real one using a speed meter keyed on the motor. From the data, it was possible to obtain the measurement error at various operating speeds.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129881385","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 feasibility study of using renewable-based hydrogen in off-grid domestic energy systems: a case study in Italy 在离网家庭能源系统中使用可再生氢的可行性研究:以意大利为例
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990178
Alessandro Bosisio, A. Morotti, Stefano Penati, A. Berizzi, Caterina Pasetti, G. Iannarelli
{"title":"A feasibility study of using renewable-based hydrogen in off-grid domestic energy systems: a case study in Italy","authors":"Alessandro Bosisio, A. Morotti, Stefano Penati, A. Berizzi, Caterina Pasetti, G. Iannarelli","doi":"10.1109/SMART55236.2022.9990178","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990178","url":null,"abstract":"Electrification is increasingly the way to reduce greenhouse gas emissions from domestic heating, cooling, and appliance consumption. Especially in rural areas, a potential solution could be to create off-grid housing using green hydrogen produced by building-integrated photovoltaics. In this framework, the paper presents a feasibility study of using renewable-based hydrogen in off-grid domestic energy systems considering several scenarios, from the current to the full electric one, taking into account various household appliances, heating/cooling systems, and buildings’ energy efficiencies. In particular, a robust approach that considers several demands and photovoltaic productions over five years has been implemented to investigate the impact on hydrogen production and consumption from the north to the south of Italy. Energy demand, photovoltaic production, and weather data of a sample house located in three cities, Brescia, Rome, and Palermo, have been used. A significant emphasis is placed on the installed hydrogen storage tank’s size, performance during the year, and recharges to face hydrogen shortage. The outcomes of the analysis highlight that some issues still need to be solved to achieve an off-grid household, especially in the full electric scenario and in buildings with low efficiency.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"61 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128452742","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
High-power SiC Module in Wind Turbine Full Scale Frequency Converter: Efficiency Comparison with IGBT-based Converter 风电全量程变频器中的大功率SiC模块:与基于igbt的变频器效率比较
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990146
J. Loncarski, H. Hussain, A. Bellini
{"title":"High-power SiC Module in Wind Turbine Full Scale Frequency Converter: Efficiency Comparison with IGBT-based Converter","authors":"J. Loncarski, H. Hussain, A. Bellini","doi":"10.1109/SMART55236.2022.9990146","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990146","url":null,"abstract":"In this paper, the 2MW PMSG-based wind conversion system with bidirectional full scale frequency converter comprised of two back-to-back inverters is considered. The efficiency and total volume comparison have been conducted for Si-and SiC-based converters. The comparison presented is a fair comparison, meaning that the converters are designed with modules of the same power ratings. Wind energy systems are compared both for the same switching frequency (low switching frequency suitable for IGBT modules), but are considering also SiC-MOSFET based converter working at high switching frequencies. The comparison is done in PLECS simulation tool, using the PLECS libraries for different modules obtained from the manufacturers’ experimental data. The results show the benefits of using the SiC-based converter. In fact, when compared to the Si-based converter the efficiency is practically the same, while there is the reduction of 2.85 times in the total volume necessary for the passive components.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130590913","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
Smart Buildings Energy Management Strategy Based on Consumer Budget: Experimental Implementation Perspective 基于消费者预算的智能建筑能源管理策略:实验实施视角
2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART) Pub Date : 2022-11-23 DOI: 10.1109/SMART55236.2022.9990414
Khaled Khezzane, M. Doumbia, F. Khoucha
{"title":"Smart Buildings Energy Management Strategy Based on Consumer Budget: Experimental Implementation Perspective","authors":"Khaled Khezzane, M. Doumbia, F. Khoucha","doi":"10.1109/SMART55236.2022.9990414","DOIUrl":"https://doi.org/10.1109/SMART55236.2022.9990414","url":null,"abstract":"This paper presents a demand-side load management technique to manage the consumption in residential buildings by maximizing the user’s satisfaction at minimal cost or within a predefined budget. The load satisfaction algorithm has been developed based on three postulations making it possible to quantify the satisfaction. This algorithm used a genetic algorithm (GA) and it offers a good convergence speed, great flexibility and good efficiency compared to conventional techniques.","PeriodicalId":432948,"journal":{"name":"2022 Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART)","volume":"147 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116069532","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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