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Investigation of PCB-based Inductive Sensors Orientation for Corona Partial Discharge Detection 基于pcb的电晕局部放电感应传感器定位研究
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9843026
A. Imburgia, S. Kaziz, P. Romano, D. Flandre, G. Artale, G. Rizzo, F. Viola, F. Tounsi, G. Ala
{"title":"Investigation of PCB-based Inductive Sensors Orientation for Corona Partial Discharge Detection","authors":"A. Imburgia, S. Kaziz, P. Romano, D. Flandre, G. Artale, G. Rizzo, F. Viola, F. Tounsi, G. Ala","doi":"10.1109/MELECON53508.2022.9843026","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9843026","url":null,"abstract":"This paper presents an experimental investigation of two different printed circuit board (PCB) inductive sensors, with meander and non-spiral shapes, to assess their capabilities and best orientation for corona partial discharge (PD) detection. First, simulations with the Ansys HFSS software are performed in order to evaluate the equivalent electrical circuit of the two sensors and their 2d radiation patterns. The meander sensors presented a resonant frequency of 600 MHz, while it was around 1.1 GHz for the non-spiral. The 2d radiation pattern showed that better sensitivity is achieved when the inductive sensor is oriented 90 degrees with respect to the PD source. Experimental tests showed a peak-to-peak voltage of the PD signal detected by both sensors of around 14 mV when the orientation was 90 degrees with a main frequency around 35 MHz. The peak-to-peak voltage dropped to about 5.4 mV and 6.9 mV for the meander and the non-spiral sensors, respectively, with a main frequency of about 33.5 MHz, when the orientation was 0 degrees. The obtained PRPD patterns and the PD signal shapes were quite similar to those provided by a High-Frequency Current Transformer (HFCT) commercial sensor.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132620559","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
Guidelines and Conceptual Design of the Grounding System of the DTT Experimental Facility 数字地面电视实验设施接地系统导则及概念设计
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842960
C. Lopes, C. Terlizzi, R. Romano, G. Ala, G. Zizzo, P. Zito, S. Bifaretti, V. Bonaiuto, A. Lampasi
{"title":"Guidelines and Conceptual Design of the Grounding System of the DTT Experimental Facility","authors":"C. Lopes, C. Terlizzi, R. Romano, G. Ala, G. Zizzo, P. Zito, S. Bifaretti, V. Bonaiuto, A. Lampasi","doi":"10.1109/MELECON53508.2022.9842960","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842960","url":null,"abstract":"The Divertor Tokamak Test (DTT) is an experimental nuclear fusion reactor currently under construction at the ENEA research center in Frascati and whose first plasma is expected in 2025. The present article shows the conceptual philosophy and the guidelines behind the design of the grounding system of the DTT. The article focuses on the main target of the grounding system and on the main technical standards to refer to for the design.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134019070","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: 3
MPP tracking optimization of complete PV installations attaining minimum losses MPP跟踪优化整个光伏装置达到最小的损失
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9843031
Zaint A. Alexakis, A. Alexandridis
{"title":"MPP tracking optimization of complete PV installations attaining minimum losses","authors":"Zaint A. Alexakis, A. Alexandridis","doi":"10.1109/MELECON53508.2022.9843031","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9843031","url":null,"abstract":"The problem of locating the maximum power point (MPP) of photovoltaic (PV) systems with the impact of the power losses taken into account, is extensively analyzed. As the connection of large PV systems in modern power grids needs numerous cables and utilizes an interface of power electronic devices, namely dc/dc boost and voltage source converters (VSCs), the induced residual losses cannot be neglected. Losses affect both, the true power injected to the grid and the procedure of tracking the MPP, a fact that becomes essential under distinct shading conditions. In this paper, since losses are heavily reliant on the current flowing through a corresponding device, a novel approach that integrates the minimization of losses together with the MPP tracking procedure into an optimization problem, is developed. As the optimization of a PV may include more than one local solutions, a fact that occurs under partial shading conditions, it is important to notice that the proposed methodology recognizes the globally optimal solution. Hence, in contrary to other conventional techniques, it substantially enhances the efficiency by realizing the right MPP implementation. Finally, to properly assess the importance of the losses analysis and to evaluate the proposed optimization scheme, simulations are conducted for a PV array connected to the grid through a dc/dc boost converter in series to an inverter with their complete control schemes involved.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134302018","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
Effect of V2G Technology Integration on MV Distribution Grids V2G技术集成对中压配电网的影响
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842981
F. Marasciuolo, M. Dicorato, G. Forte, P. Montegiglio
{"title":"Effect of V2G Technology Integration on MV Distribution Grids","authors":"F. Marasciuolo, M. Dicorato, G. Forte, P. Montegiglio","doi":"10.1109/MELECON53508.2022.9842981","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842981","url":null,"abstract":"The study is set in the context of the integration of Electric Vehicles (EVs) into distribution grids. In particular, the proposed work aims at analyzing the effects of V2G technology integration on a medium voltage (MV) distribution grid. By means of proper performance indicators, the study investigates and compares the effect on the MV grid operating condition due to the integration of EV Charging Stations (CS) in three configurations. Assuming a non-aggregated presence of EV users in the grid, the following cases are considered: i) EV uncontrolled charge; ii) EV controlled charge; iii) controlled V2G. Simulation results show that V2G integration strategy is the best for grid operation, in terms of total daily energy, active power losses reduction, and load demand reduction during the most critical hours of the day.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133039379","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
PVMODEL: An Online Photovoltaic Modelling Tool PVMODEL:一个在线光伏建模工具
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9843086
V. Galiano, J. M. Blanes, F. J. Toledo, M. V. Herranz, Antonino Laudani
{"title":"PVMODEL: An Online Photovoltaic Modelling Tool","authors":"V. Galiano, J. M. Blanes, F. J. Toledo, M. V. Herranz, Antonino Laudani","doi":"10.1109/MELECON53508.2022.9843086","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9843086","url":null,"abstract":"This article presents an online tool to model the characteristic I-V curve of a photovoltaic (PV) panel in real time. This tool is implemented on a friendly web (https://www.pvmodel.umh.es) and its use is completely free. The main functionality is the calculation of the five parameters of the PV single-diode model, either with real measurements of the PV module or with the data provided in the datasheet of a PV module. In the first case, the two methods that currently obtain the best results so far in two well-known cases study in the literature, the so-called Two-step linear least-square (TSLLS) method and the Reduced Form (RF) method, can be executed, in the second case, it is used a new method that allows obtaining the infinite sets of five parameters that satisfy the three remarkable points of the datasheet, that is, the short-circuit, the open-circuit and the maximum power points. Besides the PV model calculated can be also downloaded as an LTspice subcircuit so it can be used directly in electric or electronic simulations. In addition, some I-V curves data examples and PV modules datasheets data are provided so the user can test the tool directly.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130343575","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
Thevenin-based Battery Model with Ageing Effects in Modelica Modelica中基于thevenin的电池老化模型
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842961
Roman Milishchuk, T. Bogodorova
{"title":"Thevenin-based Battery Model with Ageing Effects in Modelica","authors":"Roman Milishchuk, T. Bogodorova","doi":"10.1109/MELECON53508.2022.9842961","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842961","url":null,"abstract":"In the era of transition to the renewable energy the importance of a good model of the battery cannot be overrated. This paper presents the Thevenin-based battery model with aging effects that is parameterized and validated with respect to the battery manufacturer's datasheets. The proposed model of the battery combines the Thevenin-based and runtime-based battery models that represent charging/discharging transient behavior of the battery. The model has been further improved by adding ageing effects using crack propagation model. Charging rate, depth of discharge and overcharge were used as main factors for capacity fading, while temperature effects were neglected as the temperature is not controllable parameter in the application the model is designed for. This allows to speed up the simulation getting an acceptable performance of a model-based optimization such as model predictive control or machine learning. The developed model was implemented using Modelica language, allowing to simulate the model in any software that supports Functional-Mockup Interface.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130354349","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
Experimental verification of an AC-DC Boost towards non-periodic (AC) Energy Harvesting 面向非周期性(AC)能量收集的交直流升压的实验验证
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9843055
C. S. Clemente, D. Davino, Immacolato Iannone, V. Loschiavo
{"title":"Experimental verification of an AC-DC Boost towards non-periodic (AC) Energy Harvesting","authors":"C. S. Clemente, D. Davino, Immacolato Iannone, V. Loschiavo","doi":"10.1109/MELECON53508.2022.9843055","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9843055","url":null,"abstract":"While magnetostrictive alloys are very promising for Energy Harvesting applications because of their intrinsic robustness, the available excitations are such that the exploitable voltage ranges are much lower than the electronic standards 1.6, 3.3 and 5 V. Then, an electronic circuit is needed to increase the voltage and improve the conversion. Several conversion techniques have been presented over the years for other smart materials as piezoelectrics, up to commercial products, but very few or none are specialized for magnetostrictive ones. The classical AC-DC Boost converter seems very promising for the purpose. This paper presents the experimental verification of such a converter, driven with a real-time operating Arduino board, able to measure the source time period. Several cases are presented, showing the potential of the circuit.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114814295","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
Smartness dimensions in designing collaborative learning activities 设计协作学习活动的聪明度维度
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842947
F. Pozzi, D. Persico, M. Passarelli, Andrea Ceregini, Pietro Polsinelli, Matteo Bicocchi
{"title":"Smartness dimensions in designing collaborative learning activities","authors":"F. Pozzi, D. Persico, M. Passarelli, Andrea Ceregini, Pietro Polsinelli, Matteo Bicocchi","doi":"10.1109/MELECON53508.2022.9842947","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842947","url":null,"abstract":"The paper describes a game for teachers, aimed to support them in the design of collaborative learning activities for their students. The game features different dimensions of smartness. It is flexible as it can support training in various contexts and meet different training needs. Moreover, it can be played in 3 different versions: a paper version, a digital version and a hybrid/augmented version. The game was used in the context of a teacher training initiative and preliminary evaluation data were collected after the game sessions. These initial data confirm the game flexibility and capacity to adapt to different contexts and reveal that teachers appreciated the game, especially its tangible component.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114844969","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 Comparison Between PSFB and LLC 400/48V DC/DC Stage for On-Board Battery Charger During Total and Partial CC-CV Charging Cycles PSFB和LLC车载充电器400/48V DC/DC级的设计与比较
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842914
Alessandro Campanini, Mattia Simonazzi, M. Bosi, C. Rossi
{"title":"Design and Comparison Between PSFB and LLC 400/48V DC/DC Stage for On-Board Battery Charger During Total and Partial CC-CV Charging Cycles","authors":"Alessandro Campanini, Mattia Simonazzi, M. Bosi, C. Rossi","doi":"10.1109/MELECON53508.2022.9842914","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842914","url":null,"abstract":"This paper compares a Full Bridge LLC Resonant Converter with a Phase Shifted Full Bridge Quasi-Resonant Converter used as a DC/DC stage for a 3 kW 400/48 V On-Board Charger. Considering a constant-current constant-voltage (CC-CV) charging cycle, aspects such as feasibility of achieving zero voltage switching for different loads, efficiency evaluation for different ranges of battery state of charge, component stress and sizing are investigated. To support considerations and results, simulations are carried out on MATLAB/Simulink and LTspice software.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125046585","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: 8
Progress in the Design of the DTT Electrical Distribution System 数字地面电视配电系统的设计进展
2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON) Pub Date : 2022-06-14 DOI: 10.1109/MELECON53508.2022.9842958
M. Caldora, S. Minucci, Gabriele Greco, A. Lampasi, R. Romano, M. Falvo
{"title":"Progress in the Design of the DTT Electrical Distribution System","authors":"M. Caldora, S. Minucci, Gabriele Greco, A. Lampasi, R. Romano, M. Falvo","doi":"10.1109/MELECON53508.2022.9842958","DOIUrl":"https://doi.org/10.1109/MELECON53508.2022.9842958","url":null,"abstract":"The Divertor Tokamak Test (DTT) facility is a key project for the exploitation of nuclear fusion as a sustainable source of energy. The accomplishment of this goal necessarily passes through the appropriate design of the Electrical Distribution System (EDS) managing the power, flowing from the national grid to the loads required for the facility operation. This design is not trivial due to the huge amount of power, the high number of loads with different characteristics and the inherent discontinuity of the operation. The objective of this paper is to present a general overview of the development on DTT EDS. Its architecture and design are based on the results obtained by Power Flow and Fault Analyses, implementing simulation models. The main criticalities and open issues are pointed out for future improvements and to provide guidelines useful for other similar facilities.","PeriodicalId":303656,"journal":{"name":"2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123254928","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
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