Browsing 2017 by Title

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  • Self-Assessment as a Key Criterion for Increase of Quality of Higher Education in Modern Conditions 
    BERZINA, Kristina; ZICMANE, Inga; KUCKOVSKIS, Jevgenijs (Institute of Electrical and Electronics Engineers, 2017)
    The process of globalization poses new challenges for the government in the field of education system regulation. The growing importance of the need for a qualitative assessment of the state of the educational process ...
  • Set-up and Implementation of a Recuperative Stand for Testing a Filtering and Regeneration System 
    BITOLEANU, Alexandru; POPESCU, Mihaela; SURU, Vlad Constantin; PUNCEA, Oana (Institute of Electrical and Electronics Engineers, 2017)
    The paper presents the methodology and design of testing structure dedicated to one laboratory model of a filtering and regeneration system (SISFREG) developed through the project number 42/2014, type Partnerships - PCCA ...
  • 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’ ...
  • Short-term forecasts of fuels consumption in the analysis of energy security 
    BICOVA, Elena; BERZAN, Vladimir; GRODETSKY, Mihail (Institute of Electrical and Electronics Engineers, 2017)
    Energy security is the main goal of almost all of documents in the energy sector. The monitoring 46 indicators of energy security is based on the annually replenished database to calculate indicators. Fuel consumption ...
  • Simple Control Strategy of the Series Filter within a Unified Power Quality Conditioner (UPQC) 
    IVANOV, Sergiu; CIONTU, Marian; SACERDOTIANU, Dumitru; RADU, Alexandru (Institute of Electrical and Electronics Engineers, 2017)
    Unified power quality conditioner (UPQC) consists of combined shunt and series active power filters which acts both on the source side and on the load side for improving the power quality. The paper presents a simple method ...
  • Simulation of Asynchronous Motor Tests on the Simpowersystems Program Base 
    IAZLOVETCHI, Leonid; IAZLOVETCHI, Maria; BURDUNIUC, Marcel; RUJANSCHI, Dumitru (Institute of Electrical and Electronics Engineers, 2017)
    In the paper is used the Simpowersystems program which is used for calculating the static mechanical characteristic and operating characteristics within the range of variation of rotor slippage. Also, the program can be ...
  • 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 ...
  • 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, 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • Time Delay Evaluation in Printed Circuit Boards based on Timed Hard Petri Nets 
    SUDACEVSCHI, Viorica; ABABII, Victor; CALUGARI, Dmitri; BORDIAN, Dimitrie (Institute of Electrical and Electronics Engineers, 2017)
    This paper presents a synthesis method for delay time evaluation in the printed circuit boards based on Timed Hard Petri Nets. For the specification and modeling of the delay time evaluation system, Timed Synchronous Petri ...

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