Browsing 2017 by Title

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  • High-Efficiency Electronic Transformer for Powering of Individual Consumers from the Medium Voltage Grid 
    BERZAN, Vladimir; ERMURACHI, Iurie (Institute of Electrical and Electronics Engineers, 2017)
    The proposed and argued concept for realization includes the possibility of realizing an average of the medium voltage transformer, for example, with 10 / 0.22 kV parameters. Equipment with these parameters is known as ...
  • Hybrid Petri Nets a Framework for Hybrid Systems Modeling 
    DRIGHICIU, Mircea Adrian (Institute of Electrical and Electronics Engineers, 2017)
    The purpose of this paper is to present the achievement of the Hybrid Petri Nets techniques used for modeling and behavioral analysis of a class of hybrid systems. In our sense, a dynamic hybrid system contains at least ...
  • 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 ...
  • The image analysis of Moldavian oak chips 
    CHICIUC, Igor; URSU, Daniel; CHICIUC, Andrei (Institute of Electrical and Electronics Engineers, 2017)
    This study is focused on measuring the oak chips/wine contact surface. Two samples from Moldova were analyzed with the doses used in oenology. The results were compared with the data known for the barrel, oak chips doses ...
  • 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 ...
  • 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 ...
  • Increasing Power Quality in a 6-pulse DC-Traction Substation 
    POPESCU, Mihaela; BITOLEANU, Alexandru; SURU, Vlad; DOBRICEANU, Mircea (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents an active DC-traction substation with six-pulse uncontrolled rectifier, whose structure and control ensure the braking energy recovery and increased power quality in both traction and regeneration ...
  • Influence of energy characteristics of biogas obtained by anaerobic fermentation of animal proteins on combustion performance 
    LĂZĂROIU, Gheorghe; MIHĂESCU, Lucian; MAVRODIN, Mădălina; BONDREA, Andreya (Institute of Electrical and Electronics Engineers, 2017)
    In the worlds need for renewable energies environmental friendly solution, biogas production and usage has become one major interest topic which needs adjustments and research for every application domain. The tests carried ...
  • The influence of long transmission lines on the overvoltage distribution across power transformer windings 
    CURTEANU, Ciprian; DELEANU, Sorin; IORDACHE, Mihai; CIUMBULEA, Gloria; GALAN, Neculai (Institute of Electrical and Electronics Engineers, 2017)
    This is a study presenting the impact of the long transmission lines on the overvoltage distribution across power transformer windings. The overvoltage propagates along the transmission line until reaches a HV winding, ...
  • Integration of Thermal Energy Storage Systems for Improved Efficiency and Flexibility of the Combined Heat and Power Plants of Medium and Small Power 
    ATĂNĂSOAE, Pavel; PENTIUC, Radu; BOBRIC, Crenguța; OLARIU, Elena; MARTIN, Valentin (Institute of Electrical and Electronics Engineers, 2017)
    Demand for useful heat it is the essential condition in the qualification of electricity production in high efficiency cogeneration. A solution to provide the demand for useful heat and compensation of load variations over ...
  • Interdependence between the harmonics of the output and input currents to a three phase rectifier bridge 
    NEACĂ, Mitică Iustinian (Institute of Electrical and Electronics Engineers, 2017)
    A large number of scientific papers published recently have as their study object the emergence of voltage and current harmonics and their limitation through various methods or devices. At modern power stations equipped ...
  • Inventics and the Iasi School of Invention. Contribution of the Faculty of Electrical Engineering 
    CANTEMIR, Lorin; CHIRIAC, Gabriel; LUCACHE, Dorin (Institute of Electrical and Electronics Engineers, 2017)
    This paper describes the contribution of the Faculty of Electrical Engineering to the development of the School of invention in Iasi. Some chronological aspects regarding the first courses in technical creativity are ...
  • 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 ...

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