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Assessment of Data Center Energy Efficiency. Methods and Metrics 数据中心能源效率评估。方法和指标
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559745
C. Dumitrescu, A. Plesca, L. Dumitrescu, M. Adam, Costică Nițucă, A. Dragomir
{"title":"Assessment of Data Center Energy Efficiency. Methods and Metrics","authors":"C. Dumitrescu, A. Plesca, L. Dumitrescu, M. Adam, Costică Nițucă, A. Dragomir","doi":"10.1109/ICEPE.2018.8559745","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559745","url":null,"abstract":"This paper proposes an assessment method for Operational Data center regarding energy efficiency. Data centers are the main part of information and communication architecture. The energy consumed in Data Centers is increasing according with the information technology and communications evolution. It can be reduced up to 40% with applying measures and strategies for energy-efficiency system management. Data centers are complex systems consisting in buildings and construction, facilities and utilities, energy and technic systems in operation. The challenge is to identify the areas that shall be improved, an objective assessment method for Operational Data Center energy efficiency is the most useful. The assessment methods and quantitative measurement for energy efficiency improvement are also important to be aligned with International Strategy in Europe and America for Energy Efficiency improvement goals to reduce the consumption in all economic sectors, including Information Technology and Communications (Data centers). Reducing data centers energy consumption is also a way to achieve energy efficiency in the buildings that host the specific facility, aligned with current standards and regulations.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124244393","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
Real-Time Co-simulation of Electric Power Steering System 电动助力转向系统实时联合仿真
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559877
R. Nemeş, M. Ruba, S. Ciornei, H. Hedesiu, C. Martis, C. Husar
{"title":"Real-Time Co-simulation of Electric Power Steering System","authors":"R. Nemeş, M. Ruba, S. Ciornei, H. Hedesiu, C. Martis, C. Husar","doi":"10.1109/ICEPE.2018.8559877","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559877","url":null,"abstract":"The paper presents a complete electric power steering (EPS) system analyzed on a real-time model in the loop (RTMiL) test platform. The mechanical model of the EPS was built in LMS Amesim software, utilized for modeling and analysis multi-domain systems. Assisting torque needed to steer the vehicle is provided by the Permanent Magnet Synchronous Motor (PMSM). Torque control technique is used to control the assist motor. The models of the motor, control and control logic using linear pattern assistant characteristic were implemented in Matlab/Simulink. In the control logic is taking into account the input torque from the steering wheel and the vehicle velocity, using these values a certain amount of assisting torque is applied. The mechanical model and the models from Simulink were converted to run on the Embedded Controller NI PXI-e S135 processor. The link between the models was made using NI VeriStand, a software environment for configuring real-time test applications.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116942525","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
Promoting the Electricity Generation from Biomass in Romania 促进罗马尼亚生物质发电
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559890
P. Atănăsoae, R. Pentiuc, M. Milici, Eugen Hopulele, I. Mihai
{"title":"Promoting the Electricity Generation from Biomass in Romania","authors":"P. Atănăsoae, R. Pentiuc, M. Milici, Eugen Hopulele, I. Mihai","doi":"10.1109/ICEPE.2018.8559890","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559890","url":null,"abstract":"The combined heat and power plants shall provide fuel savings compared with separate production of electricity and heat. The harmonised efficiency reference values for the separate production of electricity and heat have been reviewed for application after 1 January 2016. The paper presents the performances assessment of two cogeneration plants with different technologies and biomass fuel from the point of view of the support scheme. The first is a cogeneration plant with the organic Rankine cycle and power of 1.30 MWe and the second is a steam turbine cogeneration plant and the power of 14.50 MWe. The electricity production in high efficiency cogeneration is analysed comparatively for both technologies. The lowest heat consumption threshold is identified for which the entire production of electricity meets the requirements of high efficiency cogeneration.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127235076","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 Reactive Species Produced in Water by GlidArc Plasma GlidArc等离子体在水中产生的反应物质的评价
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559733
D. Astanei, I. Dirlau, O. Beniuga, R. Burlica, C. Gouillou
{"title":"Evaluation of Reactive Species Produced in Water by GlidArc Plasma","authors":"D. Astanei, I. Dirlau, O. Beniuga, R. Burlica, C. Gouillou","doi":"10.1109/ICEPE.2018.8559733","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559733","url":null,"abstract":"The goal of the paper is to study the influence of non-thermal plasma (NPT) generated by a GlidArc discharge H202 and NO3 formation in water. The paper presents a preliminary study of the influence of plasma activated water (PAW) on plant growth. The influence of gas and water flow rates on reactive species produced in PAW has been followed.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125009344","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
On the Stator Flux of an Induction Machine Asymmetrical Supplied 非对称供电异步电机定子磁链的研究
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559818
V. Cociu, Livia Cociu
{"title":"On the Stator Flux of an Induction Machine Asymmetrical Supplied","authors":"V. Cociu, Livia Cociu","doi":"10.1109/ICEPE.2018.8559818","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559818","url":null,"abstract":"If a symmetrical three-phase asynchronous machine is powered by an asymmetrical voltage system, the electromagnetic regime becomes asymmetric, and mechanical outputs are influenced as well. The currents and fluxes hodograph is no longer circular but elliptical. The dissymmetry factor of the main quantities depends on the supply voltage dissymmetry factor; in addition it get dependent on the motor operation. Once determined how stator currents and main flux are influenced, studying the stator main flux comes naturally. This paper is a study on how asymmetrical supply influences the stator flux. The approach is based on analytical study and the results have been confirmed by simulation.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125396306","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
Efficiency Analysis of Solar Radiation Concentration Technique for a Low Concentration Photovoltaic System 低浓度光伏系统太阳辐射集中技术效率分析
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559834
Oprea Roxana, I. Marcel, Machidon Dragos
{"title":"Efficiency Analysis of Solar Radiation Concentration Technique for a Low Concentration Photovoltaic System","authors":"Oprea Roxana, I. Marcel, Machidon Dragos","doi":"10.1109/ICEPE.2018.8559834","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559834","url":null,"abstract":"The photovoltaic conversion of the solar energy is nowadays one of the most promising source of electricity due to the numerous advantages of the solar energy comparing to other sources. Although the conversion efficiency of the current photovoltaic cells is under 20 percent, thus rather small, there are other techniques which can be implemented to increase the amount of electrical energy generated by the photovoltaic systems. Increasing the solar radiation on the photovoltaic (PV) panel using different concentrator systems is one of these techniques. Thus, this paper aims to analyze the benefits of solar radiation concentration technique on PV systems. In this sense a prototype of a low concentration photovoltaic (LCPV) system was developed and used for experimental determinations.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"219 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122634237","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
Advanced Image Processing in Support of THz Imaging for Early Detection of Gastric Cancer 支持太赫兹成像早期检测胃癌的先进图像处理技术
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559831
Ciobanu Romeo Cristian, Schreiner Oliver, Lucanu Nicolae, Drug Vasile, I. Ciortescu, C. Mihai, G. Ștefănescu, Danciu Emil
{"title":"Advanced Image Processing in Support of THz Imaging for Early Detection of Gastric Cancer","authors":"Ciobanu Romeo Cristian, Schreiner Oliver, Lucanu Nicolae, Drug Vasile, I. Ciortescu, C. Mihai, G. Ștefănescu, Danciu Emil","doi":"10.1109/ICEPE.2018.8559831","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559831","url":null,"abstract":"Gastric tumors are still late diagnosed and represent min. 17% of cases leading to metastasis. The ability to visualize the mucosa of the gastrointestinal tract in detail is a requisite for early detection of dysplasia and cancer. Although techniques such as chromoendoscopy, high resolution and magnification endoscopy, narrow band imaging, auto-fluorescence imaging improve the visualization and detection of mucosal lesions, biopsy of the targeted lesion must still be performed for a formal histological diagnosis of cellular and architectural atypical.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"265 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123038011","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
Applicability of Fuel Cell in Electric Vehicles 燃料电池在电动汽车上的适用性
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559669
F. Rusu, A. Baciu, G. Livint
{"title":"Applicability of Fuel Cell in Electric Vehicles","authors":"F. Rusu, A. Baciu, G. Livint","doi":"10.1109/ICEPE.2018.8559669","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559669","url":null,"abstract":"This paper presents the model of a full electric vehicle which uses as main power source a fuel cell. The purpose of this study is to analyze the behaviour of the fuel cell using Advisor toolbox from Matlab and how it is possible to obtain a cleaner power generation. The Advisor toolbox was developed at the beginning for studying hybrid electric vehicles, but in time became a useful tool also for simulation and test pure electric vehicles. For simulation with this software, in the first step it was considered a type of a vehicle and then there were applied more fuel cell types in order to compare and evaluate the performances in different operating modes. Also, the present study takes in consideration mathematically and physically models for reliable results.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114613406","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
The Impact of 150MWp PhoAn Solar Photovoltaic Project into Vietnamese QuangNgai - Grid 150MWp的phan太阳能光伏项目对越南广西省电网的影响
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559768
M. Q. Duong, N. Tran, G. Sava, S. Leva, M. Mussetta
{"title":"The Impact of 150MWp PhoAn Solar Photovoltaic Project into Vietnamese QuangNgai - Grid","authors":"M. Q. Duong, N. Tran, G. Sava, S. Leva, M. Mussetta","doi":"10.1109/ICEPE.2018.8559768","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559768","url":null,"abstract":"Renewable energy is rapidly increasing and is gradually playing an essential part of the national electricity system, which contribute to a clean energy source in meeting the world energy consumption demand. In Vietnam, the Government showed interest in the renewable energy, especially in solar energy. Today, in QuangNgai province - Vietnam, PhoAn Solar Photovoltaic Project is the largest project with an installed power capacity of 150MWp and is scheduled to be connected to the national grid at the end of 2019. This article examines the impact of PhoAn solar power plant on the power flow and the stability of transition state when it penetrates the QuangNgai province grid – Viet Nam.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117250851","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: 11
A PSO Algorithm for Phase Load Balancing in Low Voltage Distribution Networks 低压配电网相负荷平衡的粒子群算法
2018 International Conference and Exposition on Electrical And Power Engineering (EPE) Pub Date : 2018-10-01 DOI: 10.1109/ICEPE.2018.8559805
Nicuşor Toma, O. Ivanov, B. Neagu, M. Gavrilă
{"title":"A PSO Algorithm for Phase Load Balancing in Low Voltage Distribution Networks","authors":"Nicuşor Toma, O. Ivanov, B. Neagu, M. Gavrilă","doi":"10.1109/ICEPE.2018.8559805","DOIUrl":"https://doi.org/10.1109/ICEPE.2018.8559805","url":null,"abstract":"Energy efficiency is a major concern for utilities. For electricity transmission and distribution companies, while efficiency can be achieved by replacing old equipment from the networks with newer devices, or incorporating into the existing infrastructure additional components, such as FACTS solutions, all these measures are costly and require major changes in the network, with added time and financial costs. These measures should be applied only after all other options, which do not incur additional costs, are exhausted. One of these measures is Phase Load Balancing (PLB). This paper proposes a PLB approach built using the Particle Swarm optimization (PSO) algorithm. The PSO-PLB algorithm is tested on a real low voltage (LV) electricity distribution network (EDN), and the results, measured in electricity savings though loss reduction, prove its efficiency.","PeriodicalId":343896,"journal":{"name":"2018 International Conference and Exposition on Electrical And Power Engineering (EPE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129795598","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: 19
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