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2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)最新文献

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Electronic Starter with Timing Control for Start Capacitor Single Phase Induction Motor 起动电容式单相感应电动机带定时控制的电子起动器
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845752
Gancho Bojilov, Emil Rachev, V. Petrov
{"title":"Electronic Starter with Timing Control for Start Capacitor Single Phase Induction Motor","authors":"Gancho Bojilov, Emil Rachev, V. Petrov","doi":"10.1109/SIELA54794.2022.9845752","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845752","url":null,"abstract":"This paper presents an inexpensive and reliable solution for control of the start-up process in a single-phase, capacitor-start capacitor-run induction motor. In general it is required to disconnect the starting capacitor at some point during ramp up of the motor. This could be dependent on the speed of the motor or a preset time. The solution in this paper is based on a triac as a power switch to turn off the capacitor, while the criterion for turn off is time based.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126796905","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
Influence of Nonlinearity of Magnetic Material on Skin Effect in Tubes 磁性材料非线性对管中趋肤效应的影响
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845717
N. Raicevic, M. Perić, A. Vučković, S. Aleksic, Svetlana Raicevic
{"title":"Influence of Nonlinearity of Magnetic Material on Skin Effect in Tubes","authors":"N. Raicevic, M. Perić, A. Vučković, S. Aleksic, Svetlana Raicevic","doi":"10.1109/SIELA54794.2022.9845717","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845717","url":null,"abstract":"The skin effect will be considered on the basis of solving both the wave and integral equations of the skin effect in which the magnitudes of the current density within the conductor are unknown. Both equations are derived under the assumption that the conduction current prevails over the dielectric displacement current in the conductor and that the effect of propagation along the conductor is negligible, so that it is a plane-parallel quasi-stationary field. The obtained approximate numerical results were compared with the exact analytical ones and with results obtained by FEM and very good agreement was found. A massive tube filled with a nonlinear material in the magnetic sense, whose hysteresis loop is approximated by an ellipse, is considered in this paper.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134428283","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
Research into the Z-Parameters and the Characteristic Parameters of a Ship's Alternating Voltage Regulator 船舶交流稳压器z参数及特性参数的研究
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845782
Emil Barudov, E. Panov, M. Ivanova
{"title":"Research into the Z-Parameters and the Characteristic Parameters of a Ship's Alternating Voltage Regulator","authors":"Emil Barudov, E. Panov, M. Ivanova","doi":"10.1109/SIELA54794.2022.9845782","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845782","url":null,"abstract":"The protection of the consumers against various emergency modes that may occur in ship's power systems needs to be fast, reliable and cost effective. Such protection can be realized in practice with the usage of autotransformer alternating regulators. The paper is related to a new type of analysis of an autotransformer discrete alternating voltage regulator, where the device is presented as a two-port. The main purpose of the present study is to determine the Z-parameters and the characteristic parameters of an autotransformer discrete alternating voltage regulator as a two-port with a load. A Matlab simulation model of the regulator with four levels of commutation realized with thyristor switches is used for the analysis. The non-linearities of the regulator's circuit have been considered in the model. The received simulation results were compared with experimental ones, which showed good adequacy of the model analysis. The obtained results could be used to improve methodologies for designing such devices, which would lead to improved energy efficiency of ship's electrical systems using autotransformer discrete alternating voltage regulators.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115403962","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
Overview of the Possibilities for Realization of the Interaction between RES and Natural Gas 可再生能源与天然气相互作用实现可能性综述
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845695
Ivelina Hinova
{"title":"Overview of the Possibilities for Realization of the Interaction between RES and Natural Gas","authors":"Ivelina Hinova","doi":"10.1109/SIELA54794.2022.9845695","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845695","url":null,"abstract":"Wind and solar energy have been used for many years, but it is only in the last decade that their production prices have fallen sharply, leading to a jump in the number of installations around the world. With RES we have more control and diversification than with natural gas. Natural gas is needed to balance renewables until the necessary capacity is built from capacities that will meet energy demand. Expensive natural gas encourages demand for green alternatives.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116195721","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
Analyzing Possible Network Solutions for loT Communication Protocols and their Applications in Smart Farming 分析loT通信协议的可能网络解决方案及其在智能农业中的应用
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845740
Yordan Tsankov, Veselin Atanasov, Yordan Sivkov
{"title":"Analyzing Possible Network Solutions for loT Communication Protocols and their Applications in Smart Farming","authors":"Yordan Tsankov, Veselin Atanasov, Yordan Sivkov","doi":"10.1109/SIELA54794.2022.9845740","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845740","url":null,"abstract":"Smart technologies are playing an increasingly bigger part of our lives they combine different types of applications under a single control point. One of the main use-cases of smart technologies is precision farming the practice of enhancing the farmers ability of making decisions by adding a layer of artificial intelligence to machines. In order to do that, existing machines need to have means of obtaining data from various sensors or sources; also means of transmitting data to centralized data-centers where the information is analyzed by using algorithms for statistical analysis or artificial intelligence. This architecture replicates the principles that are commonly used to construct an loT system.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116425796","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: 4
UV Radiation Monitoring Probe 紫外线辐射监测探头
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845750
A. Terziyski, S. Tenev, V. Jeliazkov, Nikola Petrov
{"title":"UV Radiation Monitoring Probe","authors":"A. Terziyski, S. Tenev, V. Jeliazkov, Nikola Petrov","doi":"10.1109/SIELA54794.2022.9845750","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845750","url":null,"abstract":"An UV radiation monitoring device is presented. The probe is designed and made in-house. It is meant to operate outdoors and measure the complete UV spectra of both sunlight and earth-reflected radiation. The data is transmitted via a wireless connection to the METER.AC server infrastructure, where it is made freely available under CC0 license while adhering to the principles of findability, accessibility, interoperability, and reusability, i.e. FAIR data.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123892439","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
Experimental Performances of the Battery Charging System of an Autonomous Locomotive 自主机车电池充电系统的实验性能研究
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845794
A. Bitoleanu, M. Popescu, C. Suru
{"title":"Experimental Performances of the Battery Charging System of an Autonomous Locomotive","authors":"A. Bitoleanu, M. Popescu, C. Suru","doi":"10.1109/SIELA54794.2022.9845794","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845794","url":null,"abstract":"This paper presents the experimental results of the battery charging system of an autonomous electric locomotive. In this goal, the traction converter is controlled by a dedicated strategy so it operates as boost rectifier. The main objective of the control strategy is to obtain a good power quality to the grid (unity power factor and low distortion of the current). The control strategy was implemented on the dSPACE DS1104 prototyping board and it corresponds to a cascade two loops control system: inner one that controls the grid current and extern one that controls the charging current. The correct implementation of the control algorithm was proved by the experimental results obtained on a specially designated stand. The experimental results show the very good performances of the entire system, respectively, the currents absorbed from the power grid have low harmonic distortion factor and the power factor has very close to the unity value.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122047308","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
Energy Harvesting Techniques for Thermal City-Buses 城市热公交的能量收集技术
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845793
I. Perpinias, Nick Rigogiannis, Ioannis Bogatsis, N. Vagiannis, Ioannis Roidos, Athanasios Zournatzis, Anastasios Nterekas, A. Kyritsis, N. Papanikolaou
{"title":"Energy Harvesting Techniques for Thermal City-Buses","authors":"I. Perpinias, Nick Rigogiannis, Ioannis Bogatsis, N. Vagiannis, Ioannis Roidos, Athanasios Zournatzis, Anastasios Nterekas, A. Kyritsis, N. Papanikolaou","doi":"10.1109/SIELA54794.2022.9845793","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845793","url":null,"abstract":"A solution for improving the environmental footprint of public road transportation is presented, based on the exploitation of renewables, energy recovery and energy saving techniques in thermal city-buses. Except for the reduction of greenhouse gas emissions, additionally, fuel savings is achieved too. The proposed technical solution consists of energy harvesters (such as rooftop and window-integrated photovoltaics, thermoelectric generators, and piezoelectric elements), battery energy storage units, as well as a smart energy management system. The proposed scheme is suitable both for thermal, hybrid and electric city-buses and it is fully adaptable in regards to the geometries of the bus. Finally, the estimated on-road energy generation is presented, along with the assessment of economic and environmental benefits.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129365749","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
Some Specifics in Field Modeling, Taking into Account the Coupling of Thermal, Mechanical and Physicochemical Features 考虑热、机械和物理化学特性耦合的现场建模中的一些细节
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845761
I. Iatcheva
{"title":"Some Specifics in Field Modeling, Taking into Account the Coupling of Thermal, Mechanical and Physicochemical Features","authors":"I. Iatcheva","doi":"10.1109/SIELA54794.2022.9845761","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845761","url":null,"abstract":"The paper presents some characteristic features of the modeling of coupled fields in electromagnetic systems and the possibilities for taking into account the changes in the physical structure, properties of materials and field characteristics resulting from the development of the working process of the devices. Examples are given that illustrate the specifics and stages of modeling of interconnected fields and the development of processes in the studied objects.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"326 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131203638","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
Cyber-Physical Social Space towards Blockchain and Smart Specialisation Solutions 面向区块链的网络物理社会空间和智能专业化解决方案
2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA) Pub Date : 2022-06-01 DOI: 10.1109/SIELA54794.2022.9845747
D. Orozova, I. Popchev, Milen Baltov
{"title":"Cyber-Physical Social Space towards Blockchain and Smart Specialisation Solutions","authors":"D. Orozova, I. Popchev, Milen Baltov","doi":"10.1109/SIELA54794.2022.9845747","DOIUrl":"https://doi.org/10.1109/SIELA54794.2022.9845747","url":null,"abstract":"The paper presents some general and specific aspects of research on applications that blockchain technology can find in Cyber-Physical Social Space. An electronic supply chain model based on blockchain data authentication technology is presented. The main features are cybersecurity of the system and opportunities to protect customers from unauthorized transactions. The main elements of the technology and the focus areas in the implementation of blockchain applications are discussed.","PeriodicalId":150282,"journal":{"name":"2022 22nd International Symposium on Electrical Apparatus and Technologies (SIELA)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125398284","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: 4
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