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Browsing 2017 by Title

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  • 18-pulse Transformer Device for Flexible Connection of Asynchronous Power Systems 
    BOSNEAGA, Valeriu; SUSLOV, Victor (Institute of Electrical and Electronics Engineers, 2017)
    Transmission of active power between power systems with the same nominal frequencies, linked via phaserotating transformer is examined. The device is based on hexagonal scheme, and due to new proposal, provides symmetrical ...
  • 3D FEM Validation of Homo-Heteropolar Synchronous Machine for Wind or Hydro Applications 
    TOPOR, Marcel; DEACONU, Sorin Ioan; TUTELEA, Lucian Nicolae; NUCĂ, Ilie; BURDUNIUC, Marcel (Institute of Electrical and Electronics Engineers, 2017)
    In an effort to introduce a low cost (PM less), low power electric wind or hydro generators, this paper reports on preliminary design aspects, 3D FEM analysis of a 2.5 KVA, 250- 1000 rpm, reactive homo-heteropolar brushless ...
  • About a Matlab Graphical User Interface to Analyze Stresses During the Transient Regimes in the High Voltage Substations 
    BROJBOIU, Maria; IVANOV, Virginia (Institute of Electrical and Electronics Engineers, 2017)
    In this paper is presented a Matlab graphical user interface useful to compute the thermal and dielectric stresses which means the parameters computation of the short circuit currents or transient recovery voltages which ...
  • About Monitoring of Joint Coils from Electric Traction Railway 
    MUNTEANU, Adrian; ADAM, Maricel; ANDRUŞCĂ, Mihai; DRAGOMIR, Alin; BOGHIU, Elvis (Institute of Electrical and Electronics Engineers, 2017)
    The general structure of the electric traction system highlights the complexity and diversity of electrical equipment from the power supply. The return circuit, part of electric traction railway, consists of the running ...
  • 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 ...
  • 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 ...
  • Analysis of a Cable Lug Failure for a Recycle Compressor Trip 
    APARASCHIVEI, Adrian; CHIRIAC, Gabriel; NITUCA, Costica; PLESCA, Adrian (Institute of Electrical and Electronics Engineers, 2017)
    This article presents an analysis of an electrical contact terminal lug failure on medium voltage system. The analysis considers different aspects of the electrical contacts, such as: contact resistance, contact force, ...
  • 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 ...
  • Analysis of One Phase Special Electrical Machines using Finite Element Method 
    TEZCAN, Mehmet Murat; CANAKOGLU, Ali Ihsan; YETGIN, Asım Gökhan; CEVHER, Barış; TURAN, Mustafa; GÜN, Ayhan (Institute of Electrical and Electronics Engineers, 2017)
    Generally three phase motors are better than single phase motors but three phase system cannot be used in many applications for house. Especially single phase motors are used in city centers because of structure of the ...
  • Analysis of the Actual Situation Regarding the Methods of Processing the Neutral in the 6-35 kV Networks 
    DOBREA, Ina; CORNOVAN, Irina (Institute of Electrical and Electronics Engineers, 2017)
    The paper is dedicated to the analysis of the possibility of reducing the overvoltage surges in case of accidents in the medium voltage networks by modifying the mode of treatment of the neutral, which will allow extending ...
  • Analysis of the Control Action of the Epitaxial Layers Growing in the Automatic System with PID Controller 
    BARANOV, Simion; FIODOROV, Ion; COJUHARI, Irina; GLINCA, Maxim (Institute of Electrical and Electronics Engineers, 2017)
    It is reported an investigation of control action (CA) of the energy source in the automatic control system of thermal process’ parameters in the technology of the epitaxial growing of the compound layers A3B5 by the ...
  • Analysis of the Impact of Tariff Levels on Energy and Other Services on Macroeconomic Indicators 
    GUTIUM, Tatiana; POSTOLATY, Vitaly; BYKOVA, Elena; CELAC, Irina (Institute of Electrical and Electronics Engineers, 2017)
    Energy resources are one of the main components of the production cost. The volume of this kind of cost depends on the consumption and tariffs set by suppliers. The branches of the economy are mutually related at the stage ...
  • 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, ...
  • Analysis of the state and methods for increasing the efficiency of operation of district heating system in the Chisinau municipality 
    OCLANSCHI, Gennady; BABICH, Vladimir; BERZAN, Vladimir; POSTOLATY, Vitaly (Institute of Electrical and Electronics Engineers, 2017)
    A centralized system for thermal energy supply in Chisinau (CSTES) comprises thermal energy sources, namely two Combined Heat and Power stations (CHP) - Source1 and Source2 and two Heating Plants (HP West and HP South). ...
  • Aspects on Choosing and Exploiting in Economic Conditions the Medium Voltage Electrical Power Transformers 
    ARDELEANU, Mircea-Emilian; STĂNESCU, Dan Gabriel; MINCULESCU, Cristian; POPA, Ştefan (Institute of Electrical and Electronics Engineers, 2017)
    The reduction of electricity consumption in many situations, by the disappearance of the large industrial enterprises considered as “energy-intensive” and the emergence of small and medium-sized industrial enterprises, led ...
  • Aspects Regarding Controlled Switching of the Vacuum Circuit Breaker 
    BOGHIU, Elvis; MARICEL, Adam; ANDRUSCA, Mihai; DRAGOMIR, Alin; MUNTEANU, Adrian (Institute of Electrical and Electronics Engineers, 2017)
    The paper describes how different parameters from vacuum circuit breaker influence the closing and opening time. Operational voltage, ambient temperature or hydraulic pressure can introduce delays in opening and closing ...
  • Automatic Temperature Control in 3D Printing of the Polymer Details 
    COJUHARI, Irina; FIODOROV, Ion; IZVOREANU, Bartolomeu; MORARU, Dumitru; BOTNARU, Sorin (Institute of Electrical and Electronics Engineers, 2017)
    In this paper it is designed the automatic system for formation the small pieces from polymer, based on the principle of thermoplastic extrusion. The system has a goal to form pieces with a maximum volume of 20535 mm3. ...
  • Camera Calibration and Tracking for Gimballed Like Eye Structure in Robots with Hardware Implementation 
    YASIN, Abdul Rehman; PLESCA, Adrian; ASHRAF, Muhamamd; AHMAD, Shahzad; NASIRULLAH, Rudania; NASEER, Huma; ADAM, Muhammad (Institute of Electrical and Electronics Engineers, 2017)
    Confront location based on camera tracking is an active research area as it offers numerous applications, particularly for security-based surveillance, robot vision and visual guidance. This paper presents a camera calibration ...
  • Carbon Dioxide Emissions Reduction by Renewable Energy Employment in Romania 
    CIUPĂGEANU, Dana-Alexandra; LĂZĂROIU, Gheorghe; TÎRŞU, Mihai (Institute of Electrical and Electronics Engineers, 2017)
    Meeting environmental constraints represents a particularly important condition that energy systems are currently facing, especially with the emphasis on mitigating global warming process. Reducing carbon dioxide emissions ...
  • Centralised District Heating Systems: Reality and Perspectives 
    LEU, Vasile; CERNEI, Mihail (Institute of Electrical and Electronics Engineers, 2017)
    The article presents the history of centralised district heating systems in Moldova, evolution, current state and prospects for short-term investments financed by raising funds from external creditors.

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