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2020 International Conference and Exposition on Electrical And Power Engineering (EPE)最新文献

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Analysis of a Secured System for Command Control 一种安全的指挥控制系统分析
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305566
V. Toader, V. Vlad, Mihaela Pavăl
{"title":"Analysis of a Secured System for Command Control","authors":"V. Toader, V. Vlad, Mihaela Pavăl","doi":"10.1109/EPE50722.2020.9305566","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305566","url":null,"abstract":"The paper presents a study on the performance of a secured system for command and control that monitors the variation of skin electrical conductivity, and can be used in motion control using joy-stick systems, where firm control is required and where any wrong controls or accidental movements (flight control, remote control robots or automatic systems, etc.) must be eliminated.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"268 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123112737","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
Evaluation of the measurement uncertainty in calibration of volumetric standard installation 体积标准装置校准中测量不确定度评定
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305572
Lecturer dr. eng. Gabriel Constantin Sârbu, Lecturer dr. eng. Oana Beniugă
{"title":"Evaluation of the measurement uncertainty in calibration of volumetric standard installation","authors":"Lecturer dr. eng. Gabriel Constantin Sârbu, Lecturer dr. eng. Oana Beniugă","doi":"10.1109/EPE50722.2020.9305572","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305572","url":null,"abstract":"The paper refers to evaluation of the measurement uncertainty in calibration of volumetric standard installation used for metrological verification of cold water meters. Is important to be interested in evaluation uncertainty of measurement simply because is necessary to make good quality measurements and to understanding and using the results. There is a particular reason for evaluation of measurement uncertainty, as part of calibration, where the uncertainty of measurement must be reported on the certificate. For evaluation the uncertainty of measurement, firstly we must identify the sources of uncertainty in the measurement, then we must estimate the contribution of the uncertainty from each source, finally the individual uncertainties are combined. The calibration of the installations used for the verification of the water meters is performed by the direct comparison method using secondary volume standards.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121821385","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
Adverse Light Environment: A New Challenge 不利光环境:一个新的挑战
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305646
Mihaela Larion, F. Munteanu, C. Galatanu
{"title":"Adverse Light Environment: A New Challenge","authors":"Mihaela Larion, F. Munteanu, C. Galatanu","doi":"10.1109/EPE50722.2020.9305646","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305646","url":null,"abstract":"The paper deals with light seen as a factor affecting human life comfort and health. The relative new concept defined as blue light related to artificial light was rapidly included in usual devices like phones, tablets, laptops and computer monitors or TV-sets as a selectable hardware option. A more important aspect is that of light fluctuations of the above mentioned screens due to what we are watching daily: movies, video games, commercials. Correlated with their high performance in technology, luminance, contrast, colours, resolution and dimensions, assimilating these screens with light sources is realistic. The light fluctuations or flicker or stroboscopic phenomenon can affect humans especially those with neural diseases but also normal people, mostly teenagers so dependent of modern gadgets. The paper is focusing on this last aspect presenting some research results following systematic measurements and records.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127512941","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
Design of Wireless Power Transfer Circuit for Stable Voltage Output 稳压输出无线电力传输电路的设计
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305634
Chen Ye, O. Postolache, Yongsheng Yang, Wangqiang Niu
{"title":"Design of Wireless Power Transfer Circuit for Stable Voltage Output","authors":"Chen Ye, O. Postolache, Yongsheng Yang, Wangqiang Niu","doi":"10.1109/EPE50722.2020.9305634","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305634","url":null,"abstract":"As a technology which can enhance charging safety and flexibility, wireless power transfer (WPT) was applied in some high-tech equipment, especially in aquatic drones, considering its complex charging environment. In order to improve the stability of wireless power transfer system voltage output while the relative position of two coils changing, a WPT circuit which can supply stable 12 V output voltage and current various with the distance changing between transmitting coil (Tx) and receiving coil (Rx) in a range from 5 mm to 30 mm is designed. To get the maximum transmission efficiency, the system is supposed to keep working at resonant frequency which is realized by frequency control chips for inverter in first side and rectifier in second side respectively. The detailed study of battery charging current versus coil distance is analyzed by simulation and experiment. In addition, the parameters of different circuit components such like capacity and inductance are fixed to obtain the resonance, which is determined by calculation and simulation. Meanwhile, the shape of coils is considered as well because it has clear affection on mutual inductance.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125955250","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
Quality Assessment of Power Transformers Differential Protection Behavior Using Harmonic Restraint Techniques 谐波约束技术对电力变压器差动保护性能的质量评价
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305610
F. Băiceanu, O. Beniuga, R. Beniugă, E. Diac
{"title":"Quality Assessment of Power Transformers Differential Protection Behavior Using Harmonic Restraint Techniques","authors":"F. Băiceanu, O. Beniuga, R. Beniugă, E. Diac","doi":"10.1109/EPE50722.2020.9305610","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305610","url":null,"abstract":"This paper assesses the implementation of harmonic restraint and harmonic blocking and highlights how these techniques are performed in transformer differential protection modern relays, including how these techniques affect the speed and safety of transformer differential protection. Moreover, the paper highlights the wide range of the percentage values of the harmonics in the magnetization current. The harmonics resulting from both a simulation and practical measurements in the field will be analysed.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116578757","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
Model based design of an Urban Electric Minibus 基于模型的城市电动小巴设计
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305539
C. Husar, C. Irimia, M. Grovu, C. Martis, S. Ciornei, R. Nemeş
{"title":"Model based design of an Urban Electric Minibus","authors":"C. Husar, C. Irimia, M. Grovu, C. Martis, S. Ciornei, R. Nemeş","doi":"10.1109/EPE50722.2020.9305539","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305539","url":null,"abstract":"The public transport authorities in the cities have a great interest regarding the use of the means of transport with the lowest possible gas emissions. Electrification of the transport sector is one solution. Electric vehicles virtual developments occurs with the extend of the mobility technology and the needs for testing different configurations and energy management strategies. Using the model-based design method, an urban electric minibus model with advanced functional characteristics is defined. The software package Simcenter Amesim is used in the simulation processes based on the Model in the Loop philosophy. After describing all subsystem and their physics, their interaction will be highlighted at first and then analyzed to reach first conclusions in term of energy balance within the urban electric minibus.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122677593","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
Evaluation of the measurement uncertainty in calibration of bell standard installation 钟形标准装置校准中测量不确定度评定
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305679
Lecturer dr. eng. Gabriel Constantin Sârbu
{"title":"Evaluation of the measurement uncertainty in calibration of bell standard installation","authors":"Lecturer dr. eng. Gabriel Constantin Sârbu","doi":"10.1109/EPE50722.2020.9305679","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305679","url":null,"abstract":"The paper refers to evaluation of the measurement uncertainty in calibration of bell standard installation used for metrological verification of gas flow meters and gas meters. The evaluation and calculation of the measurement uncertainty is necessary because its knowledge is necessary to make good quality measurements and to understand and use the results of the measurements performed. The evaluation of the measurement uncertainty, as part of the calibration, is very important in demonstrating the capability of the calibration laboratories and which must be reported on the certificate. Is important firstly to identify the sources of uncertainty in the measurement, then we must estimate the contribution of the uncertainty from each source, finally the individual uncertainties are combined. The calibration of the bell installations used for the verification of the gas meters is performed by the direct comparison method using a metal volume measure of special construction, secondary standard.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"797 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123006839","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 Simple Method for Determining the HRV Parameters 一种测定HRV参数的简易方法
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305660
A. Podaru, V. David
{"title":"A Simple Method for Determining the HRV Parameters","authors":"A. Podaru, V. David","doi":"10.1109/EPE50722.2020.9305660","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305660","url":null,"abstract":"In this paper, we present a simple way to determine the heart rate variability (HRV) parameters. We designed a device which is capable of simultaneously recording three biological signals, namely the electrocardiographic signal (ECG), the photoplethysmographic signal (PPG) and a pulse signal acquired from the earlobe, graphically represented by the rectangular form. We recorded and processing these signals from 14 subjects. All data was recorded in the same way, namely with the participant sitting on a chair and by using the same sampling frequency. We determined the heart rate variability (HRV) parameters from the electrocardiographic signal, the pulse rate variability (PRV) parameters from the photoplethysmographic signals, and earlobe PRV from the pulse signal (ePRV). We calculated the Pearson coefficient in three ways, first between the HRV and the PRV parameters, second, using the HRV and the ePRV parameters and the last one using the PRV and the ePRV parameters. Both in case of the time-domain and frequency-domain parameters, the Pearson correlation coefficients were above 0.97, that means a strong link between HRV and ePRV/PRV.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122110734","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
The Impact of Multiple Small PV Units on Distribution Networks. Romanian Case-study 多个小型光伏机组对配电网的影响。罗马尼亚的案例研究
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305552
A. Miron, A. Cziker, S. Ungureanu, H. Beleiu
{"title":"The Impact of Multiple Small PV Units on Distribution Networks. Romanian Case-study","authors":"A. Miron, A. Cziker, S. Ungureanu, H. Beleiu","doi":"10.1109/EPE50722.2020.9305552","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305552","url":null,"abstract":"The paper presents the results obtained at the end of a study whose main goal was to answer the question: What will happen in a distribution network if there will be a large injection of power from a big number of small PV units? This situation is typical for rural distribution networks where the domestic consumers have their own PV generation units, thus becoming prosumers. The study began with the modeling of the usual domestic consumer from rural regions. After this step being finalized, the implementation of the distribution network in a simulation software followed. For this stage MatLab/Simulink was used. Thus, different situations were simulated in order to determine a full understanding of the possible problems that can appear, and consequently to be able to take the proper actions to minimize the negative impact. The results of the simulations show that in a typical summer day, when the PV units produce electricity at 100% of their capacity and the loads’ consumption is the lowest, the voltage in the point of injection in distribution network can reach values that will determine the faulty operation of the pronsumers due to the protection apparatus’ activation. Various configurations for the grid have been considered. Also, the study points out that integrating PV units by residential consumers can also help the electric grid to better maintain voltage variations in cases of larger distribution lines.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129105512","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
Research on the Realization of a Nitinol Clutch Type Thermocouple 镍钛诺离合式热电偶的实现研究
2020 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2020-10-22 DOI: 10.1109/EPE50722.2020.9305631
Dumitru Cernuşcă, D. Milici, R. Pentiuc, Eugen Hopulele
{"title":"Research on the Realization of a Nitinol Clutch Type Thermocouple","authors":"Dumitru Cernuşcă, D. Milici, R. Pentiuc, Eugen Hopulele","doi":"10.1109/EPE50722.2020.9305631","DOIUrl":"https://doi.org/10.1109/EPE50722.2020.9305631","url":null,"abstract":"Nowadays the use of smart materials it is becoming more and more widespread. One of such materials is Nitinol wich is an alloy composed by Ni and Ti. Nitinol was used to realise a coupling and decoupling device, due to its property to manifest itself in different ways when the temperature changes, under the action of an external force or by applying an electric current. The paper presents the main performances obtained after testing the thermocouple in the research laboratory regarding the coupling and decoupling of the two independent systems at different temperatures, the description of the utilised shape memory material, the determination of its braking torque and the advantages of using the thermocouple, especially rotary electrical machines of different sizes where their ventilation is required.","PeriodicalId":250783,"journal":{"name":"2020 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130564470","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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