Browsing 2017 by Issue Date

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  • Failures Analysis in the 25 kV/50 Hz Railway Substations 
    CHIRIAC, Gabriel; NITUCA, Costica; CARDASIM, Maricel (Institute of Electrical and Electronics Engineers, 2017)
    This article presents an analysis of the failures recorded data in railway substations from the Romanian Railway system. The data were recorded for 11 years, from 2006 until 2016, for two railway substations. Types of ...
  • 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 ...
  • 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 ...
  • Virtual Monitoring of Electrical Circuitry 
    DONOSE, Costel; SCHREINER, Cristina-Mihaela; PODARU, Alexandru-Constantin; PAVEL, Ionel (Institute of Electrical and Electronics Engineers, 2017)
    The use of virtual instruments has a very important role in both specialized laboratories and academic ones. Because it is a modern method, it provides increased comfort in monitoring electrical circuits in the long term, ...
  • Comparative Study of the Level of Awareness of E-Waste Management in Romania and Republic of Moldova 
    LUCACHE, Georgiana; TURCANU, Adrian; LUCACHE, Dorin; NUCA, Ilie (Institute of Electrical and Electronics Engineers, 2017)
    The paper focuses on the management of the ewaste and, based on a comparative analysis of the level of awareness of the danger of the improper disposal of them, in Romania and the Republic of Moldova. The collection of ...
  • 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 ...
  • 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 ...
  • Unbundled Smart meters in the new smart grid era. Assessment on compatibility with European standardisation efforts 
    SANDULEAC, Mihai; TOMA, Lucian (Institute of Electrical and Electronics Engineers, 2017)
    With the new active distribution network where distributed energy resources are increasingly present and where Smart meters will become the most ubiquitous equipment in low voltage (LV) networks, we are presenting a new ...
  • Analysis of the Performance of the Mark-space Method for Determining the Power in Single-phase Circuits 
    OANCEA, Constantin Daniel (Institute of Electrical and Electronics Engineers, 2017)
    The electrical power transfer is an essential element of an energy system. Along with frequency and phase, electrical power influences the dimensions and costs involved. The paper presents an analysis of mark-space method, ...
  • Comparison of Reference Current Generation Techniques for Shunt Active Power Filter 
    ULLAH, Ikram; ASHRAF, Muhammad; REHMAN, Abdur (Institute of Electrical and Electronics Engineers, 2017)
    In this paper a comparison is made between three different control strategies for reference current generation in three-phase three-wire shunt active power filter. Two approaches are being used for this purpose; one is ...
  • Actuating and Controlling Electrical Circuits by means of Virtual Instruments 
    DONOSE, Costel; SCHREINER, Cristina-Mihaela; PODARU, Alexandru-Constantin; PAVEL, Ionel (Institute of Electrical and Electronics Engineers, 2017)
    This paper deals with two virtual instruments used for acting and controlling electrical circuits. Due to their working concept, these instruments have high flexibility for improvement, which makes them suitable for ...
  • 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 ...
  • 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 ...
  • Cloud system for diabetic data analysis 
    NITA, Lucian (Institute of Electrical and Electronics Engineers, 2017)
    The paper presents a web application which helps the diabetes patients and clinicians to analyze the patient evolution and improve the diabetes treatment. The system reads the blood glucose values from cloud where are ...
  • 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 ...
  • 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 ...
  • Control Algorithm Design and Implementation for a Bidirectional PWM Boost Rectifier 
    SURU, Constantin Vlad; LINCA, Mihaita; PREDA, Cristina Alexandra (Institute of Electrical and Electronics Engineers, 2017)
    The aim of this paper is the design and implementation of the control algorithm of a PWM boost rectifier apable to handle bidirectional energy flow. For this goal, the boost rectifier control loops must be tuned for the ...
  • Development Of Induction Motor Torque Control Algorithm for Electric Vehicles on Inclined Roads 
    USER, Yavuz; TABANLI, Nilay (Institute of Electrical and Electronics Engineers, 2017)
    Direct torque control using space vector modulation (DTC-SVM) is one of the most popular control methods of induction motor for electric vehicle (EV). This paper proposes DTC-SVM with improved deadbeat control. During ...
  • 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 ...
  • 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 ...

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