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2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)最新文献

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Petri net modeling for hybrid systems control. Application for a multicellular converter 混合系统控制的Petri网建模。多单元转换器的应用
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563526
B. Florea
{"title":"Petri net modeling for hybrid systems control. Application for a multicellular converter","authors":"B. Florea","doi":"10.1109/ATEE.2013.6563526","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563526","url":null,"abstract":"This paper will discuss the principles of using a Petri net in hybrid systems control design. The results will be applied to a high power DC-DC multicellular converter. A Petri net model for the converter will be developed and tested, and the results will be compared with the open loop PWM control of the same multicellular converter.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132618238","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: 5
AC breakdown strength and dielectric response of water-treed low density polyethylene 水树型低密度聚乙烯交流击穿强度和介电响应
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563462
Florin Ciuprina, A. Hornea, Laura Andrei
{"title":"AC breakdown strength and dielectric response of water-treed low density polyethylene","authors":"Florin Ciuprina, A. Hornea, Laura Andrei","doi":"10.1109/ATEE.2013.6563462","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563462","url":null,"abstract":"Results on AC breakdown strength and on dielectric behavior of water-treed plane samples of low density polyethylene (LDPE) are presented in this paper. Water trees were grown at room temperature, under an electric field of 4 kV/mm, 5 kHz, and having a 0.1 M NaCl solution as electrolyte in contact with a face of the sample having needle-like defects created by pressing a sheet of abrasive paper. The breakdown tests have been carried out under an AC voltage ramp, at 50 Hz. The dielectric spectroscopy was the tool used to analyze the dielectric behavior of LDPE samples with and without water trees, over a frequency range of 10 mHz-1 MHz, at room temperature. The results show a good correlation of the breakdown strength decrease with the increase of water tree average length and relative volume. The dielectric spectra of water-treed samples emphasize an increase of the sample permittivity with the water tree growth, as well as three relaxation peaks in the loss tangent frequency variation obeying the Havriliak-Negami law. Possible electrical equivalent circuits for treed and non-treed samples are also discussed.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"216 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126988337","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
Aspects regarding the application of electric generators to wind energy conversion using counter rotating turbines 关于发电机在反向旋转涡轮机风能转换中的应用的几个方面
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563404
M. Popescu, G. Oprina, Andreea Mitulet, Sergiu Nicolaie, R. Chihaia, A. Nedelcu, M. Mihaiescu, Marius Miu, D. Marin
{"title":"Aspects regarding the application of electric generators to wind energy conversion using counter rotating turbines","authors":"M. Popescu, G. Oprina, Andreea Mitulet, Sergiu Nicolaie, R. Chihaia, A. Nedelcu, M. Mihaiescu, Marius Miu, D. Marin","doi":"10.1109/ATEE.2013.6563404","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563404","url":null,"abstract":"The paper presents the achievements of INCDIE ICPE-CA in the field of permanent magnets electric generators, having both rotating armatures, developed for wind energy conversion with systems of counter rotating turbines. The innovative design of these generators has aimed to obtain an increased speed and eliminate the speed multiplier, which introduces additional losses. Experimental results obtained by testing two developed counter rotating generators confirm the obtaining of the parameters proposed in the frame of design theme.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126605217","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
Stability limits of a three-phase induction generator supplying single-phase loads 提供单相负载的三相感应发电机的稳定性极限
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563496
C. Ion, C. Marinescu
{"title":"Stability limits of a three-phase induction generator supplying single-phase loads","authors":"C. Ion, C. Marinescu","doi":"10.1109/ATEE.2013.6563496","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563496","url":null,"abstract":"This paper analyzes the stability limits of an autonomous three-phase induction generator supplying singlephase loads. By using a particular balancing algorithm, varying resistive and resistive-inductive loads are successfully supplied up to a threshold of 85% from the generator power in three-phase mode. As the load active power is increased beyond this limit, the voltage tends to decrease. Experiments are carried out in order to establish the overall system behavior when loaded to full load. They show that it is possible to supply the loads beyond the 85% limit.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"9 15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116979228","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
Analytical model for predicting displacements in Permanent Magnet Synchronous Machine 永磁同步电机位移预测的解析模型
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563407
A. Filip, R. Hangiu, C. Martis, K. Biro
{"title":"Analytical model for predicting displacements in Permanent Magnet Synchronous Machine","authors":"A. Filip, R. Hangiu, C. Martis, K. Biro","doi":"10.1109/ATEE.2013.6563407","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563407","url":null,"abstract":"This paper analyzes the displacements produced in Permanent Magnet Synchronous Machines(PMSMs). The most important cause for vibration and noise in electrical machines is the radial component of the electromagnetic force produced in the machine. The first aim of this paper is to present the Maxwell Stress Tensor Method as an approach for calculating this radial component of the electromagnetic force. After that, an analytical method for predicting the radial displacements in electrical machines is presented. The paper continues with a 2D Finite Element Analysis example in order to validate the analytical method.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122094828","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
Method and device of synchronization for determination of squirrel cage asynchronous motors parameters 鼠笼式异步电动机参数同步测定方法及装置
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563400
S. Enache, A. Câmpeanu, I. Vlad, M. Enache
{"title":"Method and device of synchronization for determination of squirrel cage asynchronous motors parameters","authors":"S. Enache, A. Câmpeanu, I. Vlad, M. Enache","doi":"10.1109/ATEE.2013.6563400","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563400","url":null,"abstract":"This paper presents a method for the squirrel cage asynchronous motors parameters determination, which is the object of a invention proposal. The method involves monitoring a direct-on-line starting and processing, by minimizing an objective function, the data recorded during starting. There are also presented the experimental results obtained, with accent on the synchronization device, which is the object of an invention demand, too.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"651 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123292564","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: 5
Elearning dedicated to the students of electrical engineering 电子学习专为电气工程专业的学生
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563364
M. Paulet, O. Neacsu, A. Sălceanu
{"title":"Elearning dedicated to the students of electrical engineering","authors":"M. Paulet, O. Neacsu, A. Sălceanu","doi":"10.1109/ATEE.2013.6563364","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563364","url":null,"abstract":"With increasing speed Internet developed infrastructure, opportunity for virtual: meetings, training or teambuilding events online. The virtual environments have allowed developing virtual laboratories for study. In these virtual classrooms there experiments can be realized using hardware device or simulate some experiments using different specialized software. Also, students can study theoretical concepts of the application. Clear advantage of online training is their minimum use of resources.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123700030","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
Online monitoring and diagnosis system for hydrogenerator condition assessment 水轮发电机组工况在线监测诊断系统
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563396
G. Tănăsescu, B. Gorgan, Oana Dragomir, G. Constantinescu, P. Notingher, Radu PÂRLOG-CRISTIAN
{"title":"Online monitoring and diagnosis system for hydrogenerator condition assessment","authors":"G. Tănăsescu, B. Gorgan, Oana Dragomir, G. Constantinescu, P. Notingher, Radu PÂRLOG-CRISTIAN","doi":"10.1109/ATEE.2013.6563396","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563396","url":null,"abstract":"During service, electrical machines are subjected to mechanical, thermal and electrical stresses. To avoid any premature failure, it is important to monitor the vital parameters which characterize the condition of the machine. This field of research is in continuous expansion having as a final objective a monitoring system which best fulfills the quality - price ratio. This paper presents a method and new monitoring and diagnosis system for the evaluation of a hydrogenerator insulation systems' condition. The first part of the paper presents the main parameters used for monitoring and diagnosis of the hydrogenerator condition (ambient and winding temperatures, vibrations, speed, air gap and so on). There are also described in detail the main hardware components (units of measurements, acquisition, processing and display of results) and their facilities. The proposed online monitoring and diagnosis system contains monitoring solutions for relevant condition parameters, mechanical structure, ventilation etc. Finally, the software component which is being used by the monitoring system is described.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128952151","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
Enhanced data integration for LabVIEW laboratory systems LabVIEW实验室系统的增强数据集成
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563535
A. Olteanu, G. Stamatescu, A. Ionita, V. Sgârciu
{"title":"Enhanced data integration for LabVIEW laboratory systems","authors":"A. Olteanu, G. Stamatescu, A. Ionita, V. Sgârciu","doi":"10.1109/ATEE.2013.6563535","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563535","url":null,"abstract":"Integrating data is a basic concern in many accredited laboratories that perform a large variety of measurements. However, the present working style in engineering faculties does not focus much on this aspect. To deal with this challenge, we developed an educational platform that allows characterization of acquisition ensembles, generation of Web pages for lessons, as well as transformation of measured data and storage in a common format. As generally we had to develop individual parsers for each instrument, we also added the possibility to integrate the LabVIEW workbench, often used for rapid development of applications in electrical engineering and automatic control. This paper describes how we configure the platform for specific equipment, i.e. how we model it, how we create the learning material and how we integrate the results in a central database. It also introduces a case study for collecting data from a thermocouple-based acquisition system based on LabVIEW, used by students for a laboratory of measurement technologies and transducers.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125372004","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 influence of the DG sources in the optimal operation of the electrical distribution systems 分布式电源对配电系统优化运行的影响
2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE) Pub Date : 2013-05-23 DOI: 10.1109/ATEE.2013.6563521
Florina Scarlatache, G. Grigoraș
{"title":"The influence of the DG sources in the optimal operation of the electrical distribution systems","authors":"Florina Scarlatache, G. Grigoraș","doi":"10.1109/ATEE.2013.6563521","DOIUrl":"https://doi.org/10.1109/ATEE.2013.6563521","url":null,"abstract":"The objective of this paper is to obtain the solution for minimized network power losses by optimally locating the distributed generation (DG) sources taking into consideration the total injection power of DG installed into a electrical distribution network. The method proposed in this paper is tested on a 20 kV electrical distribution network. The results demonstrate that the methodology can be successfully used to determine the optimal dimension (injection power) of DG sources without violation of any of the system constraints under any operating conditions.","PeriodicalId":399638,"journal":{"name":"2013 8TH INTERNATIONAL SYMPOSIUM ON ADVANCED TOPICS IN ELECTRICAL ENGINEERING (ATEE)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127595492","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
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