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Browsing Conferința Internațională SIELMEN - Sisteme Electromecanice și Energetice by Issue Date

Browsing Conferința Internațională SIELMEN - Sisteme Electromecanice și Energetice by Issue Date

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  • Coordinated Reactive Power Control of DFIG to Improve LVRT Charateristics of FSIG in Wind Turbine Generation 
    DUONG, Minh Quan; SAVA, Gabriela Nicoleta (Institute of Electrical and Electronics Engineers, 2017)
    In almost all European countries, the penetration of wind power systems and the wind turbines size continuously increases. Therefore, the grid code requirements are more and more restrictive concerning the necessity that ...
  • A Hybrid System Implementation for Residential Cluster 
    SIMA, Catalina Alexandra; LAZAROIU, George Cristian; DUMBRAVA, Virgil; TIRSU, Mihai (Institute of Electrical and Electronics Engineers, 2017)
    In the current situation, when conventional energy based on fossil fuel combustion are polluting and time-limited, there is an increasing emphasis on the exploitation of nonpolluting renewable sources. At both global and ...
  • Renewable Energy in Morocco: PhotovoltaicWater Pumping System 
    ABDOURRAZIQ, Sarah; ABDOURRAZIQ, Med. Amine (Institute of Electrical and Electronics Engineers, 2017)
    Renewable energies have a major importance of Morocco's new energy strategy. The geographical location of the Kingdom promotes the development of the use of solar energy. The use of this energy reduces the dependence on ...
  • Experimental Results of Photovoltaic Emulator Systems 
    ABDOURRAZIQ, M. A.; ABDOURRAZIQ, S.; MAAROUFI, M.; TLEMCANI, M. (Institute of Electrical and Electronics Engineers, 2017)
    In this paper, we present experimental results of photovoltaic (PV) emulator systems implemented in a low-cost microcontroller. The insufficiency of space for installation of real PV panels and the high costs of the ...
  • An Improved Fuzzy Slide Mode Control Applied to PV Systems 
    ABDOURRAZIQ, M. A.; ABDOURRAZIQ, S.; MAAROUFI, M. (Institute of Electrical and Electronics Engineers, 2017)
    The aim of this work is to present a novel fuzzy slide mode control (FSMC) to extract a maximum power point (MPP) of the photovoltaic (PV) generator. This technique allows tracking the MPP consequently for the different ...
  • Maximum power point tracking applied to PV systems under partial shading conditions 
    ABDOURRAZIQ, S.; ABDOURRAZIQ, M. A.; MAAROUFI, M. (Institute of Electrical and Electronics Engineers, 2017)
    Characteristics of large photovoltaic (PV) panels under partially shaded conditions are characterized by multiple peaks and steps. This makes the tracking of the actual maximum power point (MPP) a difficult task. Moreover, ...
  • Contributions to the Development of the Romanian Anti-Hail System 
    MANOLEA, Gheorghe; ALBOTEANU, Laurentiu; STEPAN, Sorin (Institute of Electrical and Electronics Engineers, 2017)
    The method used in Romania for combating hail is the sowing of the clouds method, with missiles launched from the ground. This paper presents contributions of the University of Craiova, Center for Innovation and Technology ...
  • The principles of determining energy efficiency in the production of agricultural products 
    ERHAN, F.; BANTAS, R. (Institute of Electrical and Electronics Engineers, 2017)
    Various amounts of energy resources are consumed in the process of production and primary processing of agricultural products. This amount of energy resources influences on the production costs and final prices of that ...
  • The Impacts of Distributed Generation Penetration into the Power System 
    DUONG, Minh Quan; TRAN, Ngoc Thien Nam; SAVA, Gabriela Nicoleta; SCRIPCARIU, Mircea (Institute of Electrical and Electronics Engineers, 2017)
    Nowadays, fossil fuels are depleted more and more. Renewable energy is one of the best solutions to replace conventional energy. The significant growth of Renewable energy sources indicates that it plays an important role ...
  • Mathematical modeling of hydrodinamic processes inthe rotors of flow micro-hydropower plants 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; VACULENCO, Maxim; CIOBANU, Oleg (Institute of Electrical and Electronics Engineers, 2017)
    The paper is dedicated to the study of hydrodynamic effects in the rotors of flow micro-hydropower plants. There was argued the geometry of hydrodynamic profiles of blades efficient in terms of energy conversion efficiency ...
  • Study of the aerodynamics of wind rotors with horizontal axis: design, manufacture, testing 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; SOBOR, Ion; VACULENCO, Maxim; ODAINÂI, Valeriu; GLADÎŞ, Vitalie (Institute of Electrical and Electronics Engineers, 2017)
    The paper is dedicated to the study of aerodynamic effects in small power wind turbine rotors using mathematical models to describe the fluid flow physics and modern methods of numerical simulation in the framework of ...
  • Photovoltaic Pump System Design for Small Irrigation 
    SOBOR, Ion (Institute of Electrical and Electronics Engineers, 2017)
    A method of PV pump system calculation for small irrigation is presented. The solar radiation calculation was performed with PVGIS software. The numerical example contains pump flow rates, pumped water volumes (daily, ...
  • Three-dimensional models’ usage in courses placed on Moodle platform 
    SHULETEA, Angela; DINTU, Sergiu; VIRLAN, Petru (Institute of Electrical and Electronics Engineers, 2017)
    One of the biggest benefits of virtual education is the ability to easily explain complex processes and principles using animations and interactive 3D models. The purpose of this study is to determine which 3D software ...
  • Monitoring Photovoltaic Parks for Damage Prevention and Optimal Operation 
    HABA, Cristian-Győző (Institute of Electrical and Electronics Engineers, 2017)
    The effects of climate change due to global warming as a result of increased carbon dioxide emissions are beginning to become more and more visible due to the more frequent occurrences of extreme weather phenomena even in ...
  • The Educational Responsibility in Rapid Implementation of European Policy Concerning Energy Market 
    RADULESCU, Bogdan Alexandru; RADULESCU, Victorita (Institute of Electrical and Electronics Engineers, 2017)
    The present paper analyses mainly the Report of High Level Reflection Group-HLRG of the Energetic Community-EC, and the Romanian National Authority permanent answers, transformed into concepts capable to be transmitted to ...
  • The quality of online courses in the students perception 
    GHENCEA, Cristina; TODOS, Petru; VÎRLAN, Petru (Institute of Electrical and Electronics Engineers, 2017)
    Ensuring the quality of online learning in higher education institutions is a growing concern in recent years. While several studies have focused on the perception of the quality of online education by academic staff and ...
  • The Model of Places for Recreation and Relaxation of People Taking into Account the Urboecological Aspects of Evolution of a Modern City 
    ZICMANE, Inga; BERZINA, Kristina; KUCKOVSKIS, Jevgenijs; BERZINA-NOVIKOVA, Natalija; ZICMANE, Ilga (Institute of Electrical and Electronics Engineers, 2017)
    The main negative factors of urbanization are both, environmental problems (pollution of the urban environment, increase of building density, decrease of the green area, etc.), and the destructive influence of the big city ...
  • New Opportunities for Internship for the Technical University of Moldova’ Students 
    NUCA, Ilie; BURDUNIUC, Marcel; NUCA, Iurie; GRIGORITA, Ana; MIRCO, Valeria (Institute of Electrical and Electronics Engineers, 2017)
    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 ...
  • Trajectories in the Competence Field During Formative Assessment 
    GĂLĂŢANU, Cătălin Daniel (Institute of Electrical and Electronics Engineers, 2017)
    The issue of competence assessment in engineering is analyzed in the context of the lack of motivation for learning. The source of this lack of motivation comes from the distribution of high school students. This assignment ...
  • Quality Assurance in Online Education – in the Tehnical University of Moldova Experience 
    TODOS, Petru; VÎRLAN, Petru; GHENCEA, Cristina (Institute of Electrical and Electronics Engineers, 2017)
    Online education constitutes an important component in the continuous growth / development of higher education and adult education. Its quality largely depends on the design rules and the evaluation standards of the programs ...

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