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2017 International Conference on Electromechanical and Power Systems (SIELMEN)最新文献

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Centralised district heating systems: Reality and perspectives 集中式区域供热系统:现实与展望
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123389
L. Vasile, C. Mihail
{"title":"Centralised district heating systems: Reality and perspectives","authors":"L. Vasile, C. Mihail","doi":"10.1109/SIELMEN.2017.8123389","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123389","url":null,"abstract":"The article presents the history of centralised district heating systems in Moldova, evolution, current state and prospects for short-term investments financed by raising funds from external creditors.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125819253","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
Estimation of the wind power plants capacity to be integrated in actual power system of Moldova 摩尔多瓦实际电力系统中风电装机容量的估算
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123322
M. Tirsu, Dmitrii Zaitev, I. Golub, L. Calinin, G. Lazaroiu
{"title":"Estimation of the wind power plants capacity to be integrated in actual power system of Moldova","authors":"M. Tirsu, Dmitrii Zaitev, I. Golub, L. Calinin, G. Lazaroiu","doi":"10.1109/SIELMEN.2017.8123322","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123322","url":null,"abstract":"Extension of share of renewable energy sources in energy mix is a big challenge for our community to increase energy security and fight against global warming by cutting emissions of GHG. The paper estimate wind turbines capacity that can be integrated in actual electrical system of Moldova without its reconfiguration. The study is based on analysis of power transformer stations operating on 110kV, 35kV, 10kV and 6kV. Over 350 consumption nodes through all country territory were analyzed per total. The potential of wind turbines was estimated for two heights − 50m and 100m. Results can serve as useful information for both investors and TSO/DSO.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"37 3-4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114037218","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
A note on leakage diagnosis for an irrigation network 灌溉网渗漏诊断注记
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123399
T. Marzougui, S. Ben Elghali, R. Outbib, F. Doumenc
{"title":"A note on leakage diagnosis for an irrigation network","authors":"T. Marzougui, S. Ben Elghali, R. Outbib, F. Doumenc","doi":"10.1109/SIELMEN.2017.8123399","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123399","url":null,"abstract":"This note is a contribution to the problem of leakage detection in irrigation networks. The main goal is to reduce the lost water due to the leakages. This lost water represents a source of useless electrical energy spending. The problem is tackled by using water volume-balance method. The considered case study concerns the irrigation network of Carpentras, situated in south of France (see Fig. 1).","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114142712","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
Analysis of a cable lug failure for a recycle compressor trip 循环压缩机跳闸电缆耳故障分析
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123355
A. Aparaschivei, G. Chiriac, Costică Nițucă, A. Plesca
{"title":"Analysis of a cable lug failure for a recycle compressor trip","authors":"A. Aparaschivei, G. Chiriac, Costică Nițucă, A. Plesca","doi":"10.1109/SIELMEN.2017.8123355","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123355","url":null,"abstract":"This article presents an analysis of an electrical contact terminal lug failure on medium voltage system. The analysis considers different aspects of the electrical contacts, such as: contact resistance, contact force, stress, motion, lubrication. The case study refers to a cable lug failure on a compressor supply. Different situations are to be considered to find the cause of the default. Conclusion and proposed actions are finally presented.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114446288","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
Simultaneous estimation of speed and rotor resistance in the sensorless vector control systems with induction motors 感应电机无传感器矢量控制系统中转速和转子电阻的同时估计
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123290
O. Stoicuta, T. Pana, Robin Molnar, Daniela Deaconu
{"title":"Simultaneous estimation of speed and rotor resistance in the sensorless vector control systems with induction motors","authors":"O. Stoicuta, T. Pana, Robin Molnar, Daniela Deaconu","doi":"10.1109/SIELMEN.2017.8123290","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123290","url":null,"abstract":"This paper presents a new method of simultaneous estimation of speed and rotor resistance of an induction motor, from a sensorless vector control system. The simultaneous estimation of the speed, rotor flux and of rotor resistance is done by using an adaptive estimator, called the COS observer. To ensure the persistent excitation condition, in the vector control system, over the rotor flux reference, we overlay a sine wave signal of low frequency and amplitude. The new method of simultaneous estimation of the speed, rotor flux and of the rotor resistance, is validated through simulation.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122065979","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
New opportunities for internship for the technical university of Moldova' students 摩尔多瓦技术大学为学生提供新的实习机会
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123352
I. Nuca, M. Burduniuc, Iurie Nuca, Ana Grigoriţa, Valeria Mirco
{"title":"New opportunities for internship for the technical university of Moldova' students","authors":"I. Nuca, M. Burduniuc, Iurie Nuca, Ana Grigoriţa, Valeria Mirco","doi":"10.1109/SIELMEN.2017.8123352","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123352","url":null,"abstract":"This paper presents a few current difficulties in organizing and executing internships for engineering students, when the national industry is in transition. Until this day, a number of large national enterprises do not show an interest in supporting the higher technical education, also including the lack of internship offers. On the other hand, small and medium entrepreneurial sector show a great sign of interest in offering internships to students, to an extent as offering some students part-time jobs during their education. The new opportunities for organizing internships are about opening borders, developing partnerships between universities, academic mobility, and internship scholarships offered by multinational companies.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129812812","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
18-Pulse transformer device for flexible connection of asynchronous power systems 18脉冲变压器装置，用于异步电力系统的柔性连接
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123304
V. Boşneagă, V. Suslov
{"title":"18-Pulse transformer device for flexible connection of asynchronous power systems","authors":"V. Boşneagă, V. Suslov","doi":"10.1109/SIELMEN.2017.8123304","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123304","url":null,"abstract":"Transmission of active power between power systems with the same nominal frequencies, linked via phase-rotating transformer is examined. The device is based on hexagonal scheme, and due to new proposal, provides symmetrical 18-phase output system of voltages, wherein the various phases of it are connected to different phases of three-phase receiving system by means of semiconductor switching elements, composed in two groups to reduce a quantity of switching keys. For reducing oscillations of transmitted active power, caused by 20° step switching of the phase angle between the voltages of the connected systems PWM modulation method is used, thus providing a smoother angle switching. It was shown, that increasing the number of phases sufficiently reduces the level of harmonic distortion of currents and voltages on the buses of receiving power system, so at some conditions the requirements, imposed on higher harmonics content in high voltage electrical networks could be met without the use of additional filters.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128327625","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
Camera calibration and tracking for gimballed like eye structure in robots with hardware implementation 机器人万向节眼结构摄像机标定与跟踪的硬件实现
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123286
A. R. Yasin, Muhamamd Ashraf, A. Plesca, Shahzad Ahmad, Rudania Nasirullah, Huma Naseer, Muhammad Adam
{"title":"Camera calibration and tracking for gimballed like eye structure in robots with hardware implementation","authors":"A. R. Yasin, Muhamamd Ashraf, A. Plesca, Shahzad Ahmad, Rudania Nasirullah, Huma Naseer, Muhammad Adam","doi":"10.1109/SIELMEN.2017.8123286","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123286","url":null,"abstract":"Confront location based on camera tracking is an active research area as it offers numerous applications, particularly for security-based surveillance, robot vision and visual guidance. This paper presents a camera calibration technique for target tracking by designing a feedback control system for a camera mounted servo based gimballed eye structure which in turn signals the tracking station to position and lock the laser pointer to the target. The tracking of the target is based on pose recovery and face detection using Voila Jones algorithm for computer based robot vision whereas the feedback controller is based on PID technique. A mathematical description of the tracking system based on the transformation from the world coordinates to the camera coordinates along with the camera calibration is also presented.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128351738","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
Photovoltaic water pumping system application in Morocco 光伏水泵系统在摩洛哥的应用
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123331
S. Abdourraziq, M. A. Abdourraziq, C. Darab
{"title":"Photovoltaic water pumping system application in Morocco","authors":"S. Abdourraziq, M. A. Abdourraziq, C. Darab","doi":"10.1109/SIELMEN.2017.8123331","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123331","url":null,"abstract":"In Morocco, the use of renewable energies present have a great importance especially with the new energy strategy. The important geographical location of the Kingdom helps for the development of the use of the solar energy. To reduce the import of primary energy, and to make face to the high demand of electricity and water in remote zone, the government has made several projects to encourage the use of a local industry in the renewable energy sector which promotes also to minimize carbon emissions. However, given to the importance of the solar irradiation intensity received and his duration, the country has the possibility to cover some of its solar energy needs. The empoyement of solar energy to pump water is one of the most used applications; this technique presents a good solution wherever the grid does not exist. In this document, we will show a presentation of photovoltaic water pumping system components, and the most important solar pumping projects installed in Morocco to supply water in remote areas.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125638392","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
Experimental tests regarding diagnosis of some faults of car alternators 汽车交流发电机部分故障诊断的试验研究
2017 International Conference on Electromechanical and Power Systems (SIELMEN) Pub Date : 2017-10-01 DOI: 10.1109/SIELMEN.2017.8123312
S. Enache, A. Câmpeanu, I. Vlad, M. Enache
{"title":"Experimental tests regarding diagnosis of some faults of car alternators","authors":"S. Enache, A. Câmpeanu, I. Vlad, M. Enache","doi":"10.1109/SIELMEN.2017.8123312","DOIUrl":"https://doi.org/10.1109/SIELMEN.2017.8123312","url":null,"abstract":"This paper presents a practical way of identifying the defective diodes of an alternator. For this purpose are presented a series of experimental tests of some car alternators. There are detailed the automatic voltage control by modifying the excitation current of the generator and different waveforms of the voltage obtained when one or more rectifier diodes are damaged. The paper ends with conclusions and references.","PeriodicalId":403279,"journal":{"name":"2017 International Conference on Electromechanical and Power Systems (SIELMEN)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130111234","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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