Browsing 2017 by Title

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  • Laboratory Board for Studying the Half-Bridge Power Electronic Converters 
    STICEA, Daniel; ALBU, Mihai; CHIRIAC, Gabriel (Institute of Electrical and Electronics Engineers, 2017)
    The paper describes a laboratory board made by the authors to study the power electronic converters whose topology is a simple half bridge structure with power transistors and recovery diodes. The board is conceived to be ...
  • Latvian Electrical Power System Stability’s Analysis Taking into Account New Development Strategy Until 2025 
    ZICMANE, Inga; BERZINA, Kristina; SOBOLEVSKIS, Aleksejs; KOVALENKO, Sergejs (Institute of Electrical and Electronics Engineers, 2017)
    Energy is one of the sectors directly affecting the economic growth and forming a significant part of overall expenses in several industry branches, especially in manufacturing. The development of the energy sector requires ...
  • Limits and Usability of Fast Fourier, Discrete Waveletand Wavelet Packet Transforms Applied at Signalsfrom a Primary Winding of a Locomotive Transformer 
    NICOLAE, Ileana-Diana; MARINESCU, Radu-Florin; NICOLAE, Petre-Marian; CRISTINA, Maria Diana (Institute of Electrical and Electronics Engineers, 2017)
    Single phase currents and voltages were acquired from the primary winding of a locomotive transformer. Four operating regimes were considered (acceleration, running at constant speed, normal and respectively regenerative ...
  • Locus Diagrams of Net Magnetic Field Vector of Dual Winding Induction Motor 
    CANAKOGLU, Ali Ihsan; MURAT, Mehmet; ASIM, Tezcan; YETGIN, Gökhan; CEVHER, Barış; TURAN, Mustafa (Institute of Electrical and Electronics Engineers, 2017)
    The rotating magnetic field is the major concept of induction and synchronous machines. For a three phase induction motor, locus of net magnetic field of single winding stator is a circle which radius is equal to 3/2 times ...
  • A LoRaWAN: Long Range Wide Area Networks Study 
    LAVRIC, Alexandru; POPA, Valentin (Institute of Electrical and Electronics Engineers, 2017)
    The LPWAN (Low Power Wide Area Network) networks are the evolution of wireless sensor networks directed to the IoT (Internet of Things) concept, which entails sensor connectivity to the Internet. This paper presents a ...
  • Low Frequency Electromagnetic Shielding Solutions 
    BEIU, Constantin; GOLOVANOV, Nicolae; TOADER, Cornel; BUICA, Georgeta (Institute of Electrical and Electronics Engineers, 2017)
    Electromagnetic shielding is one of the most important concerns of operators from high and very high voltage field, especially those carrying out live work. The electromagnetic field generated by high-voltage overhead power ...
  • Luminance Measurements For Light Pollution Assessment 
    GĂLĂŢANU, Cătălin Daniel (Institute of Electrical and Electronics Engineers, 2017)
    Light pollution is a phenomenon that needs to be closely monitored. There are currently many SQMs (Sky Quality Meters) that monitor the visibility of stars, but the method has the disadvantage that it does not eliminate ...
  • Manufacturing and Clinically Testing Embedded Electrodes in Knitted Textiles for Neurorehabilitation 
    POBORONIUC, Marian-Silviu; IRIMIA, Danut; POBORONIUC, Ioana; IGNAT, Bogdan; CURTEZA, Antonela; MACOVEI, Laura; CRETU, Viorica; BUZDUGAN, Maria (Institute of Electrical and Electronics Engineers, 2017)
    Functional Electrical Stimulation (FES) aims to induce programmed exercises in paralyzed limbs of people who suffered a stroke, in order to improve their rehabilitation process. Nowadays, surface pre-gelled transcutaneous ...
  • 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 ...
  • 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, ...
  • Method of the Parameters Determination of the Asynchronous Motor 
    AMBROS, Tudor; BURDUNIUC, Marcel; IAZLOVETCHI, Maria (Institute of Electrical and Electronics Engineers, 2017)
    In this paper is proposed a method for calculating the parameters of an induction motor that determine three points of a mechanical characteristic-nominal, critical and starting. Comparison of the results of the proposed ...
  • Methodical approach to weak buses and ties detection in a power system 
    STRATAN, Ion; RADILOV, Tudor; PRIPA, Marin; GROPA, Victor (Institute of Electrical and Electronics Engineers, 2017)
    The paper covers a complex approach to weak buses and ties detection in a power system. The applied method is based on singular value decomposition of sensitivity matrix to identify the weak spots in a power system and the ...
  • Methodologies Regarding the Application of Optimum Criteria to the Vertical Earth Grounding Design, with Rectangular Outline 
    MAIER, Virgil; PAVEL, Sorin Gheorghe; BIROU, Iulian; BELEIU, Horia Gheoghe; CIORCA, Claudiu (Institute of Electrical and Electronics Engineers, 2017)
    The earth grounding (EGR) computation model contained in normative acts has multiple nonlinearities and functions with implicit definitions. In addition, through the values indicated for the utilization coefficients, the ...
  • Mobile Prototype with Solar Panels for Rehabilitation of Natural Reservations Lakes 
    RADULESCU, Victorita (Institute of Electrical and Electronics Engineers, 2017)
    In Romania, there are two Natural Reservations Lakes Mangalia and Techirghiol with salt-water, near the Black Sea, which confront with new environmental problems. In the last decades appeared infiltration with fresh-water, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • A Note on Leakage Diagnosis for an Irrigation Network 
    MARZOUGUI, T.; BENELGHALI, S.; OUTBIB, R.; DOUMENC, F. (Institute of Electrical and Electronics Engineers, 2017)
    This note is a contribution to the problem ofb 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 ...
  • Novel Method for Control of non linear system based on Negative Acceleration 
    BENMILOUD, Tarek (Institute of Electrical and Electronics Engineers, 2017)
    In this paper, a novel method of control of non linear system is presented. The new concept describes a method to obtain a stabilized control of non linear system. This method shows that by imposing a negative value for ...
  • Numerical Model for a Plunger-Type AC Electromagnet 
    POPA, Ioan C.; DOLAN, Alin-Iulian (Institute of Electrical and Electronics Engineers, 2017)
    In this paper we propose an approach for the determination of static force characteristic of a plunger-type AC electromagnet using 2D numerical model developed in QuickField software. The attraction electromagnetic force ...

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