Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108218
Haider Al-Zubaidi, M. A. Shehab, Ammar Ghalib Al-Gizi
Because of the increased use of renewable energy in photovoltaic (PV) arrays as a secondary source of energy, they became susceptible to various types of faults, so that fault detection and diagnosis (FDD) become a necessary process for extending the life of these arrays, prevent power losses in the system and avoid the safety hazards resulting from it. This paper proposes to utilize four machine learning classifier techniques which are (Decision Tree (DT), K-Nearest Neighbors (KNN), Naive Bayes (NB), and Support Vector Machines (SVM)) to diagnose six common types of PV array faults (open circuit, intra-string line-to-line, inter-string line-to-line, line-to-ground, short-circuited bypass diode, and short-circuited blocking diode) occurring in a 4x4 PV array with a total power of 5kW. The data set collected from the proposed Matlab/Simulink model consists of 1210 samples and 29 features. The dataset is divided into 70% for training the models and 30% for testing them. The best model based on the SVM approach has achieved 99.7% classification accuracy with a training time of 94.42 seconds.
{"title":"Electrical Fault Diagnosis of Solar PV Array Using Machine Learning Techniques","authors":"Haider Al-Zubaidi, M. A. Shehab, Ammar Ghalib Al-Gizi","doi":"10.1109/ATEE58038.2023.10108218","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108218","url":null,"abstract":"Because of the increased use of renewable energy in photovoltaic (PV) arrays as a secondary source of energy, they became susceptible to various types of faults, so that fault detection and diagnosis (FDD) become a necessary process for extending the life of these arrays, prevent power losses in the system and avoid the safety hazards resulting from it. This paper proposes to utilize four machine learning classifier techniques which are (Decision Tree (DT), K-Nearest Neighbors (KNN), Naive Bayes (NB), and Support Vector Machines (SVM)) to diagnose six common types of PV array faults (open circuit, intra-string line-to-line, inter-string line-to-line, line-to-ground, short-circuited bypass diode, and short-circuited blocking diode) occurring in a 4x4 PV array with a total power of 5kW. The data set collected from the proposed Matlab/Simulink model consists of 1210 samples and 29 features. The dataset is divided into 70% for training the models and 30% for testing them. The best model based on the SVM approach has achieved 99.7% classification accuracy with a training time of 94.42 seconds.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124665551","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108239
L. Petrescu, A. Chirilă, Dragoș Deaconu, E. Cazacu, V. Ioniță, Maria-Cǎtǎlina Petrescu
The corrosion process of transport pipelines of oil and petroleum products represents a particularly important aspect in the distribution and transport process of those products. Over the last decades, solutions have been sought to reduce the effects of corrosion that encounters in steel or grey cast-iron pipelines. The present work reports a series of experimental data obtained over several months of investigation. The samples were tested in different environmental salinity conditions (distilled water with a salinity of 0 ‰, 5 ‰, 20 ‰, respectively 40 ‰), covered or not with a primer layer, as well as subjected to stray currents from the soil (simulated by supplied to a current source). The results indicated that these factors favor the corrosion of these materials. Supplementary, it is also advised that the environments in which they are operating to provide viable cathodic protection solutions.
{"title":"Corrosion Experimental Investigation on Pipeline Connecting Pieces under Controlled Conditions","authors":"L. Petrescu, A. Chirilă, Dragoș Deaconu, E. Cazacu, V. Ioniță, Maria-Cǎtǎlina Petrescu","doi":"10.1109/ATEE58038.2023.10108239","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108239","url":null,"abstract":"The corrosion process of transport pipelines of oil and petroleum products represents a particularly important aspect in the distribution and transport process of those products. Over the last decades, solutions have been sought to reduce the effects of corrosion that encounters in steel or grey cast-iron pipelines. The present work reports a series of experimental data obtained over several months of investigation. The samples were tested in different environmental salinity conditions (distilled water with a salinity of 0 ‰, 5 ‰, 20 ‰, respectively 40 ‰), covered or not with a primer layer, as well as subjected to stray currents from the soil (simulated by supplied to a current source). The results indicated that these factors favor the corrosion of these materials. Supplementary, it is also advised that the environments in which they are operating to provide viable cathodic protection solutions.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134014359","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108125
A. Bitoleanu, M. Popescu, C. Suru
The paper is focused on the experimental results of a control algorithm based on the rotor field-oriented (RFOC) implemented on the dSPACE 1103 prototyping system, obtained on a traction system with an induction motor with a power of 50 kW. A selection of results are presented when the traction system operates in "Automatic" working mode, the prescribed torque at 100% and passing through the following sequences: starting with the prescribed speed of 2000 rpm – steady state operation-braking to stop. The presented experimental results show that the implemented algorithm determines very good dynamic performances and in full agreement with the physical phenomenon.
{"title":"Experimental Evaluation of Traction System Based on Induction Motor and Rotor Field Orientation Control","authors":"A. Bitoleanu, M. Popescu, C. Suru","doi":"10.1109/ATEE58038.2023.10108125","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108125","url":null,"abstract":"The paper is focused on the experimental results of a control algorithm based on the rotor field-oriented (RFOC) implemented on the dSPACE 1103 prototyping system, obtained on a traction system with an induction motor with a power of 50 kW. A selection of results are presented when the traction system operates in \"Automatic\" working mode, the prescribed torque at 100% and passing through the following sequences: starting with the prescribed speed of 2000 rpm – steady state operation-braking to stop. The presented experimental results show that the implemented algorithm determines very good dynamic performances and in full agreement with the physical phenomenon.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134522842","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108121
Florin Saftoiu, A. Morega
This study focuses on limiting the heating of a photovoltaic panel subject to the ambient infrared irradiance and the electric load-related Joule effect, as reducing the temperature of the PV panel may increase the PV conversion efficiency and make it available for use in further energy conversion cycles. First, a water-circulated counter-current heat exchanger is provided on the back of the PV panel to reduce the hotspot temperature. Then, a pulsed fluid cooling system is considered. The two methods are analyzed for the heat thus extracted from the system to be further used in a secondary energy conversion system.
{"title":"Pulsed Cooling System for Photovoltaic Panels","authors":"Florin Saftoiu, A. Morega","doi":"10.1109/ATEE58038.2023.10108121","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108121","url":null,"abstract":"This study focuses on limiting the heating of a photovoltaic panel subject to the ambient infrared irradiance and the electric load-related Joule effect, as reducing the temperature of the PV panel may increase the PV conversion efficiency and make it available for use in further energy conversion cycles. First, a water-circulated counter-current heat exchanger is provided on the back of the PV panel to reduce the hotspot temperature. Then, a pulsed fluid cooling system is considered. The two methods are analyzed for the heat thus extracted from the system to be further used in a secondary energy conversion system.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133564812","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108212
Alexandru-Marius Bonteanu, Catalin Tudose, Ana Magdalena Anghel
Databases are the fundamental component of an application for storing data. SQL (Structured Query Language) is a query language that is used to create, read, update, and remove records in most relational databases (CRUD operations). Because new relational database management systems have arisen, it is useful to compare some of them when linked to a Java application using Spring Data JPA. The time for each CRUD activity is analyzed for thousands and hundreds of thousands of entries. The motivation is to find the most performant combination for an application, considering its size (number of entries).
数据库是用于存储数据的应用程序的基本组件。SQL(结构化查询语言)是一种查询语言，用于在大多数关系数据库(CRUD操作)中创建、读取、更新和删除记录。由于出现了新的关系数据库管理系统，因此在使用Spring Data JPA链接到Java应用程序时比较其中的一些系统是很有用的。每个CRUD活动的时间会针对成千上万个条目进行分析。其动机是考虑到应用程序的大小(条目数)，为其找到最高效的组合。
{"title":"Multi-Platform Performance Analysis for CRUD Operations in Relational Databases from Java Programs using Spring Data JPA","authors":"Alexandru-Marius Bonteanu, Catalin Tudose, Ana Magdalena Anghel","doi":"10.1109/ATEE58038.2023.10108212","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108212","url":null,"abstract":"Databases are the fundamental component of an application for storing data. SQL (Structured Query Language) is a query language that is used to create, read, update, and remove records in most relational databases (CRUD operations). Because new relational database management systems have arisen, it is useful to compare some of them when linked to a Java application using Spring Data JPA. The time for each CRUD activity is analyzed for thousands and hundreds of thousands of entries. The motivation is to find the most performant combination for an application, considering its size (number of entries).","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114769504","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108255
Alessandro Benevieri, L. Carbone, S. Cosso, Flavio Gallione, Shafquat Hussain
Neutral Point Clamped (NPC) converter is often used in high power medium voltage industrial applications. This paper proposes a new fault detection and management method for NPC converters, able to detect any type of power semiconductor device fault and to allow the continuity of operation in case of fault. The fault detection, which is very fast, is based on the measurements of load and clamp-diode legs currents. The fault management strategy is suitable for NPC inverters feeding both passive and active load (such as a threephase asynchronous motor) supplied by Active Front End (AFE) or Diode Front End (DFE). Finally, a comparison among three different reconfiguring modulations, with special regard to the evaluation of harmonic distortion of the line-to-line voltages and phase currents, is suggested.
{"title":"A New Strategy for Detection and Management of Faults in High Power NPC Converter Systems","authors":"Alessandro Benevieri, L. Carbone, S. Cosso, Flavio Gallione, Shafquat Hussain","doi":"10.1109/ATEE58038.2023.10108255","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108255","url":null,"abstract":"Neutral Point Clamped (NPC) converter is often used in high power medium voltage industrial applications. This paper proposes a new fault detection and management method for NPC converters, able to detect any type of power semiconductor device fault and to allow the continuity of operation in case of fault. The fault detection, which is very fast, is based on the measurements of load and clamp-diode legs currents. The fault management strategy is suitable for NPC inverters feeding both passive and active load (such as a threephase asynchronous motor) supplied by Active Front End (AFE) or Diode Front End (DFE). Finally, a comparison among three different reconfiguring modulations, with special regard to the evaluation of harmonic distortion of the line-to-line voltages and phase currents, is suggested.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130089914","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108268
Marian-Cosmin Dumitru, R. Pietraru, M. Moisescu
Today's IoT systems tend to grow in complexity continuously as they become more widespread. Moving from vertical systems to multi-domain systems, IoT applications lead to the need for a management system that covers more and more aspects, starting from the physical management of the equipment to the definition of security policies. The requirements of wide coverage and low energy consumption have led to the emergence of Low Power Wide Area Networks as the basis for the implementation of IoT systems. This paper explores the use of LoRaWAN LPWAN technology as a support for a unified open IoT ecosystem enabling the scaling of computing power from edge devices to cloud services. By identifying a complete technical implementation solution for an IoT ecosystem, both the problem of system management and the control of its complexity can be solved.
{"title":"LoRaWAN as Open Scalable IoT Ecosystem","authors":"Marian-Cosmin Dumitru, R. Pietraru, M. Moisescu","doi":"10.1109/ATEE58038.2023.10108268","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108268","url":null,"abstract":"Today's IoT systems tend to grow in complexity continuously as they become more widespread. Moving from vertical systems to multi-domain systems, IoT applications lead to the need for a management system that covers more and more aspects, starting from the physical management of the equipment to the definition of security policies. The requirements of wide coverage and low energy consumption have led to the emergence of Low Power Wide Area Networks as the basis for the implementation of IoT systems. This paper explores the use of LoRaWAN LPWAN technology as a support for a unified open IoT ecosystem enabling the scaling of computing power from edge devices to cloud services. By identifying a complete technical implementation solution for an IoT ecosystem, both the problem of system management and the control of its complexity can be solved.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130406479","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108343
I. Nemoianu, Veronica Manescu (Paltanea), G. Păltânea, M. Dascalu, R. Ciuceanu
The present study further investigates the harmful effects produced by nonlinear circuit elements components of the power grid by assessing the corresponding inflicted parasitic active and reactive power flows. A simplified no-neutral lumped elements circuit model is adopted comprising a three-phase linear balanced transmission line and two distorting loads, each containing a single nonlinear element. Their disparity in the distortive i-v characteristic, one being more distortive than the other, is under scrutiny from the unwanted active and reactive power circulation point of view, which allows to assess the associated dispatching, metering, and billing issues. The theoretical background this study relies on is the power theory developed by Professor Andrei Ţugulea in the mid-'80s, in total accordance with Budeanu’s power definitions. The power quantities designed to provide meaningful insight into the harmful distortive effects (residual-distorting and non-symmetry active and reactive power) are used and computed in the case of four illustrative case studies. The corresponding circuits are numerically solved, and the Ţugulea theory power quantities are evaluated. On that basis, comments and conclusions are presented, in view of further development of theoretical knowledge in the field.
{"title":"Detailed Investigation of the Residual and Non-Symmetry Active and Reactive Power Flow for No-Neutral Three-Phase Nonlinear Circuits","authors":"I. Nemoianu, Veronica Manescu (Paltanea), G. Păltânea, M. Dascalu, R. Ciuceanu","doi":"10.1109/ATEE58038.2023.10108343","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108343","url":null,"abstract":"The present study further investigates the harmful effects produced by nonlinear circuit elements components of the power grid by assessing the corresponding inflicted parasitic active and reactive power flows. A simplified no-neutral lumped elements circuit model is adopted comprising a three-phase linear balanced transmission line and two distorting loads, each containing a single nonlinear element. Their disparity in the distortive i-v characteristic, one being more distortive than the other, is under scrutiny from the unwanted active and reactive power circulation point of view, which allows to assess the associated dispatching, metering, and billing issues. The theoretical background this study relies on is the power theory developed by Professor Andrei Ţugulea in the mid-'80s, in total accordance with Budeanu’s power definitions. The power quantities designed to provide meaningful insight into the harmful distortive effects (residual-distorting and non-symmetry active and reactive power) are used and computed in the case of four illustrative case studies. The corresponding circuits are numerically solved, and the Ţugulea theory power quantities are evaluated. On that basis, comments and conclusions are presented, in view of further development of theoretical knowledge in the field.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128774873","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108380
Alessandro Benevieri, L. Carbone, S. Cosso, Flavio Gallione, Davide Gnudi, Shafquat Hussain
The continuous energy demand increasing is bringing out various problems related to the development of renewable energies. It is becoming increasingly essential to be able to count on adequate systems of energy storage (ESS - Energy Storage Systems) both in the distribution and in eco-sustainable mobility. In particular, the study of flywheel energy storage systems (FESS) is recently gaining interest not only for the stabilization of systems with rotating parts but also for their use in coupling with motor generators in the mobility sector. This paper proposes a Field Oriented Control regulation system for a Permanent Magnet Synchronous Motor, driven by an inverter and connected to a traction system through DC-Link by a four-quadrant converter applied to a new conception flywheel designed for the automotive environment. Finally, the results obtained by the simulations are therefore compared with special regard to the final efficiency evaluation of the system.
{"title":"Field Oriented Control System Modeling for a New Flywheel Energy Storage System","authors":"Alessandro Benevieri, L. Carbone, S. Cosso, Flavio Gallione, Davide Gnudi, Shafquat Hussain","doi":"10.1109/ATEE58038.2023.10108380","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108380","url":null,"abstract":"The continuous energy demand increasing is bringing out various problems related to the development of renewable energies. It is becoming increasingly essential to be able to count on adequate systems of energy storage (ESS - Energy Storage Systems) both in the distribution and in eco-sustainable mobility. In particular, the study of flywheel energy storage systems (FESS) is recently gaining interest not only for the stabilization of systems with rotating parts but also for their use in coupling with motor generators in the mobility sector. This paper proposes a Field Oriented Control regulation system for a Permanent Magnet Synchronous Motor, driven by an inverter and connected to a traction system through DC-Link by a four-quadrant converter applied to a new conception flywheel designed for the automotive environment. Finally, the results obtained by the simulations are therefore compared with special regard to the final efficiency evaluation of the system.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128855830","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}
Pub Date : 2023-03-23DOI: 10.1109/ATEE58038.2023.10108171
V. Ioniță, L. Petrescu, E. Cazacu
Magnetic powder cores are involved in many inductors used in power electronics, due to their tailored magnetic properties. This work investigates the hysteresis curves, measured by a standardized system, of some low-cost magnetic powder cores made from Fe and FeCo particles. The experiments show the limits of using classical equipment at higher frequencies for these samples that exhibit significant losses. The measured frequency dependent hysteresis curves show various effective magnetic permeabilities. The results are useful to compare the evolution of total magnetic losses of these powder cores with the frequency increasing.
{"title":"Frequency Dependent Hysteresis Curves of Fe and FeCo Magnetic Powder Cores","authors":"V. Ioniță, L. Petrescu, E. Cazacu","doi":"10.1109/ATEE58038.2023.10108171","DOIUrl":"https://doi.org/10.1109/ATEE58038.2023.10108171","url":null,"abstract":"Magnetic powder cores are involved in many inductors used in power electronics, due to their tailored magnetic properties. This work investigates the hysteresis curves, measured by a standardized system, of some low-cost magnetic powder cores made from Fe and FeCo particles. The experiments show the limits of using classical equipment at higher frequencies for these samples that exhibit significant losses. The measured frequency dependent hysteresis curves show various effective magnetic permeabilities. The results are useful to compare the evolution of total magnetic losses of these powder cores with the frequency increasing.","PeriodicalId":398894,"journal":{"name":"2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129788344","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：