Facultatea Energetică şi Inginerie Electrică: Recent submissions

  • 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 ...
  • 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 ...
  • 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 ...
  • The Wind Energy Resources Atlas of the Republic of Moldova and its Use 
    SOBOR, Ion; RACHIER, Vasile; CHICIUC, Andrei (Institute of Electrical and Electronics Engineers, 2017)
    This wind energy resource atlas identifies the wind characteristics and distribution of the wind resource in the country of Republic of Moldova. The statistics of wind data measured over a period of 22 years at the 18 ...
  • 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 ...
  • Analysis of Hot-Spots Effects on the Performances of a Photovoltaic System Used in Romania 
    CHIRIAC, Gabriel; NITUCA, Costica; CUCIUREANU, Dumitru; MURGESCU, Ion (Institute of Electrical and Electronics Engineers, 2017)
    This article presents an analysis of hot-spots effects onevr the performances of a photovoltaic system in use. IV and P-V characteristics are analyzed considering different cases of degradation for the photovoltaic module ...
  • Environmental Solution with Renewable to restore the Capacity of the Hydropower Lakes 
    RADULESCU, Bogdan Alexandru; RADULESCU, Victorita (Institute of Electrical and Electronics Engineers, 2017)
    The paper structured in six parts intends to present a solution designed and implemented into a hydro-energetic lake confronted with a major problem, the excessive development of the aquatic vegetation. Nowadays it has 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, ...
  • Estimation of the Wind Power Plants Capacity to be Integrated in Actual Power System of Moldova 
    TÎRŞU, Mihai; ZAIŢEV, Dmitrii; GOLUB, Irina; CALININ, Lev; LAZAROIU, George Cristian (Institute of Electrical and Electronics Engineers, 2017)
    Extension of share of renewable energy sources in energy mix is a big challenge for our community. First of all we should fight against global warming by cutting emissions of GHG. Secondly we should increase energy security ...
  • Analysis Concerning Replication of PV Projects in the Republic of Moldova 
    LUPU, Mihai; TIRSU, Mihai (Institute of Electrical and Electronics Engineers, 2017)
    The paper includes a study concerning both replication mode of the PV projects in the Republic of Moldova and prioritization of suitable regional centers for construction of PV power plants taking into account different ...
  • The potential of micro grids concept implementation in the Republic of Moldova 
    POSTORONCA, Sveatoslav; TIRSU, Mihai (Institute of Electrical and Electronics Engineers, 2017)
    The paper draws attention on the issue of national power system modernization from inside, as a component part included in the multiple set of challenges standing before energy sector development in context of identification ...
  • 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 ...
  • Сomputer simulation of the complex damage types of multiphase higher voltage electrical transmission lines by using the method of six symmetrical components 
    KIORSAK, Michail; TURCUMAN, Lilia; TURTURIKA, Natalya (Institute of Electrical and Electronics Engineers, 2017)
    In the article, based on the decomposition of the nonsymmetric system of the "m" -vectors of voltages and currents of a multiphase higher voltage electrical transmission lines at the various damages in to "m"-systems of ...
  • Shielding Effectiveness Evaluation Using a Non-Standardized Method 
    VOICU, Viorica; PĂTRU, Ion; DINA, Livia-Andreea; NICOLAE, Petre-Marian; SMĂRĂNDESCU, Ionuț Daniel (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a shielding effectiveness evaluation for some metallic threads materials. The tests were performed using a non-standardized method in a dual transversal electromagnetic cell (DTEM). The materials’ ...
  • Considerations On Radiated Emission Measurements for a Laptop in a Semi-Anechoic Chamber 
    DINA, Livia-Andreea; NICOLAE, Petre-Marian; SMĂRĂNDESCU, Ionuț Daniel; VOICU, Viorica (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents some aspects on measurements of radiated emission from a Laptop. The used Standards are presented and discussed. The measurements were carried out in a Semi-Anechoic Chamber (SAC) in accordance with EN ...
  • 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, ...
  • Using Differential Evolution Algorithms for the Analysis of Nonlinear Circuits 
    PETRESCU, Camelia; PLOPA, Olga (Institute of Electrical and Electronics Engineers, 2017)
    The paper presents the analysis of nonlinear resistive networks using a loop current formulation. The solution to the nonlinear algebraic system of equations is sought using several variants of differential evolution (DE) ...
  • Study of Conducted Electromagnetic Emissions of a Wireless Power System 
    ANDREICA, Sergiu; GLIGA, Marian; RACASAN, Adina; MUNTEANU, Calin; PACURAR, Claudia; CONSTANTINESCU, Claudia (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a study regarding the conducted electromagnetic emissions of a wireless power system. Due to the fact that in the last few years there have appeared a lot of devices with wireless systems, it must be ...
  • SYSEG – Symbolic State Equation Generation 
    IORDACHE, Mihai; DELEANU, Sorin; CURTEANU, Ciprian; GALAN, Neculai; MOSCU, Atanasie (Institute of Electrical and Electronics Engineers, 2017)
    The main objective of this paper is to present an efficient method for the systematic formulation of the state equations characterizing linear and/or nonlinear, time-invariant analog circuits with elements in excess. The ...
  • 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 ...

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