IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Conferința Internațională SIELMEN - Sisteme Electromecanice și Energetice by Title

Browsing Conferința Internațională SIELMEN - Sisteme Electromecanice și Energetice by Title

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  • Simultaneous Estimation of Speed and Rotor Resistance in the Sensorless Vector Control Systems with Induction Motors 
    STOICUTA, Olimpiu; PANA, Teodor; MOLNAR, Robin; DEACONU, Daniel (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a new method of simultaneous estimation of speed and rotor resistance of an induction motor, from a sensorless vector control system. The simultaneous estimation of the speed, rotor flux and of rotor ...
  • Studiul regimului de sarcină în linia lungă prin suprapunerea regimurilor mers la gol şi scurtcircuit 
    POTÂNG, A.; TERTEA, Gh.; ROTARU, A. (Editura ALMA, 2015)
    Ideea de bază este determinarea mărimilor U şi I în orice punct al liniei lungi prin aplicarea metodei de superpoziţie ce consistă din suma regimurilor mers la gol şi scurtcircuit.
  • Study of a Tiredness Identification System 
    MILICI, Dan Laurențiu; GRAUR, Adrian; POIENAR, Mihaela; CENUȘĂ, Mihai; BARASCU, Andrei (Institute of Electrical and Electronics Engineers, 2017)
    The paper presents a designed, implemented and tested application intended to evaluate the level of attention to people who perform activities that require a high level of concentration, using a measurement system in one ...
  • 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 ...
  • Study of Direct-on-Line Starting of Low Power Asynchronous Motors 
    VLAD, Ion; CAMPEANU, Aurel; ENACHE, Sorin; ENACHE, Monica-Adela (Institute of Electrical and Electronics Engineers, 2017)
    This paper emphasizes technical and economic parameters at direct-on-line starting of low power asynchronous motors. There are presented a lot of simulations and there are carried out experimental tests, in order to establish ...
  • 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 ...
  • Study of the Circulation of Heat Transfer Fluid in the Permanent Magnets Thermo-Generator 
    MANGOS, Octavian (IEEE, 2021)
    The variation of the heat transfer fluid temperature in the permanent magnet thermogenerator was studied. SOLIDWORKS Flow Simulation software is used for the simulations and the dependence of the liquid temperature in the ...
  • Study of the Gallium Arsenide Layers Growing Process on the Own Oxide Surface by HVPE Method 
    BARANOV, Simion; BURLACU, Alexandu; COJUHARI, Irina; FIODOROV, Ion; MORARU, Dumitru (Editura ALMA, 2015)
    At the moment the global capacity of the solar energy installed in the electrical (grid) network exceed 100 GW while in 2000 it was 1,5 GW. But the efficiency of photovoltaic module remains at the silicon electro physical ...
  • Study, Design and Simulation of a Laboratory Module. Related to filters 
    BENTA, Marius Dan; LELUTIU, Laura Mihaela (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents the study, design and simulation of a laboratory module related to filters. With this laboratory platform it was accomplish a comparative study between current feedback (CFA) and voltage feedback (VFA). ...
  • Synchronous Undermodulation Control Modes of System with Three PWM Converters 
    OLESCHUK, Valentin; GRIVA, Giovanni; DERISZADEH, Adel; BURCENCO, Victoria (Institute of Electrical and Electronics Engineers, 2017)
    This paper is focused on the operation analysis of transformer-based ac drive system with three modulated converters connected specifically to windings of power transformer. It provides multilevel voltage to induction ...
  • Synthesis and Analysis of PWM Inverter Output Voltages 
    PICA, Constantin Sorin; MAIER, Virgil; PAVEL, Sorin Gheorghe; BELEIU, Horia Gheorghe (Institute of Electrical and Electronics Engineers, 2017)
    The output voltage analysis of PWM inverter, from the photovoltaic (PV) power plant, represents the first of the objectives of this research. On the one hand, a real voltage wave is analyzed, taken by oscillography and on ...
  • Synthesis of the Control Algorithm to the Models of Objects with Inertia First Order and Second Order Astatism 
    IZVOREANU, Bartolomeu; COJUHARI, Irina; FIODOROV, Ion; SECRIERU, Adrian; MORARU, Dumitru; POTLOG, Mihail (IEEE, 2021)
    In this paper it is proposed to synthesize the control algorithm for the models of objects with inertia and second order astatism, which are described the dynamics of various technical objects and technological processes. ...
  • Synthesis of the PID Control Algorithm for the Models of Objects with Second Order Astatism 
    IZVOREANU, Bartolomeu; COJUHARI, Irina; FIODOROV, Ion; SECRIERU, Adrian; MORARU, Dumitru; POTLOG, Mihail (IEEE, 2021)
    In the paper is highlighted the industrial objects as cars, spacecraft, telescopes, plotters, lasers, elevators, etc., which are described by the mathematical model with double astatism. These models of control objects ...
  • 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 ...
  • Technology enhanced electrical engineering education in context of CRUNT TEMPUS project 
    ADASCALITEI, Adrian; TODOS, Petru; SECRIERU, Nicolae (Editura ALMA, 2015)
    In the CRUNT TEMPUS project, epedagogy of using ITC learning environments was used. Elearning interuniversity network of Moldova uses a virtual learning environment for training and learning process improvement dedicated ...
  • A Theoretical Result on Stabilizability of Oxygen Excess Ratio for PEM Fuel Cell 
    NIANE, Moustapha; ZERROUGUI, Mohamed; OUTBIB, Rachid (Institute of Electrical and Electronics Engineers, 2017)
    This paper is a contribution to the problem of the control of PEM Fuel Cell. More precisely, a theoretical result is proposed to prove that the oxygen excess ratio value can controlled by using a continuous state feedback. ...
  • The thermodynamic benefits of the integration of cogeneration installations in bakery ovens 
    CHELMENCIUC, Corina (Editura ALMA, 2015)
    The present work is motivated by the need to reduce the irreversibility of the process with combustion gas in bakery ovens, especially it was analyzed the process of the mixing of the obtained gases in the combustion chamber ...
  • Three Parameters Optimization of Acting Force of DC Electromagnet 
    DOLAN, Alin-Iulian (Institute of Electrical and Electronics Engineers, 2017)
    The paper proposes an optimized geometry for a DC electromagnet combining the experimental design (DOE) and FEM. The optimization problem takes into account three geometrical parameters (coil shape ratio, support thickness ...
  • 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 ...
  • Three-Phase Voltage Generator for Stands in the Research Concerning Devices Models for Energy Systems Interconnection 
    POSTOLATY, Vitalie; SUVOROV, Alexandr; ANISIMOV, Vladimir (Institute of Electrical and Electronics Engineers, 2017)
    Due to with the actuality of the task of interconnection of non-synchronously operating alternating current energy systems, an experimental comparison of the interconnection devices models, which implement various methods ...

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