American Journal of Electrical Power and Energy Systems

ISSN Online: 2326-9200;    ISSN Print: 2326-912X
Frequency: 4 issues per year
DOI: 10.11648/j.epes
Website: http://www.science-discovery.org/journal/epes
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Special Issue

Improvement of Energy Efficiency in the Conversion of Electrical Energy by Means of Electronic Converters

  • Submission Deadline: 20 December 2015
  • Status: Submission Closed
  • Lead Guest Editor: Mihail Antchev
About This Special Issue
The processes of conversion of electrical energy, and its storage and rational use as other types of energy are a question of continuous study. Under the trends of usage of energy as electrical energy the problem to increase energy efficiency is of great importance.

Aims and Scope:

1. AC/DC converters – with near unity power factor, power factor correction, bidirectional
2. DC/DC converters – resonant, bidirectional
3. DC/AC converters – for technology and for renewable energy systems
4. Uninterruptible power supply and systems
5. Converters for Energy Storage Systems
6. Wireless Power Transfer and Power over Ethernet
7. Magnetic, Electrical and Electronic Components for Power Converters
8. Converters for lighting
9. Parallel operation of converters
10. Conversion of other energy to electrical using electronic means
11. Control methods and systems for power converters
Lead Guest Editor

  • Mihail Antchev

    Department of Power Electronics, Faculty of Electronic Engineering and Technologies, Technical University, Sofia, Bulgaria

Guest Editors

  • Angelina Mihaylova Tomova

    Schneider Electric - Regional Application Center ED EMEAS, Bratislava, Slovakia

  • Hitendra Sarode

    Department of Mechanical Engineering, North Maharashtra University, Jalgaon, India

Published Articles

  • Design and Investigation of High Voltage Isolated Silicon-Controlled Rectifier (SCR) Gate Driver

    Kostadin Milanov , Mintcho Mintchev , Hristo Antchev

    Issue: Volume 4, Issue 6-1, December 2015
    Pages: 19-22
    Received: 15 September 2015
    Accepted: 16 September 2015
    Published: 29 September 2015
    DOI: 10.11648/j.epes.s.2015040601.14
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    Abstract: The present article examines the design and implementation specifics of High Voltage Isolated Driver for control of serially connected SCR. The driver features the use of current transformers for the impulses applied to the control electrodes of simple-connected primary coils, as well as control pulses transmission through optical fibre. Results fr... Show More
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  • Energy Saving Lamps as Sources of Harmonic Currents

    Zahari Ivanov , Hristo Antchev

    Issue: Volume 4, Issue 6-1, December 2015
    Pages: 13-18
    Received: 11 September 2015
    Accepted: 11 September 2015
    Published: 29 September 2015
    DOI: 10.11648/j.epes.s.2015040601.13
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    Abstract: This paper presents the results from the research of the indexes in regard to the power supply network, when a change is applied to the power supply tension of the Compact Fluorescent Lamps and LED Lamps with power up to 30W of different manufacturers. Comparision data is presented for the power factor, the displacement factor and the total harmoni... Show More
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  • Comparative Analysis of Hysteresis and Fuzzy-Logic Hysteresis Current Control of a Single-Phase Grid-Connected Inverter

    Mihail Antchev , Angelina Tomova-Mitovska

    Issue: Volume 4, Issue 6-1, December 2015
    Pages: 8-12
    Received: 5 August 2015
    Accepted: 6 August 2015
    Published: 29 September 2015
    DOI: 10.11648/j.epes.s.2015040601.12
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    Abstract: This paper presents a comparative analysis of two current control methods of single phase on-grid inverter- the hysteresis current control and the fuzzy logic hysteresis current control method. The aim of the paper is to compare the values of the main researched parameters of the on-grid inverter and to show which control method is more energy effi... Show More
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  • Analysis and Investigation of Direct AC-AC Quasi – Resonant Converter

    Mihail Hristov Antchev

    Issue: Volume 4, Issue 6-1, December 2015
    Pages: 1-7
    Received: 28 July 2015
    Accepted: 29 July 2015
    Published: 29 September 2015
    DOI: 10.11648/j.epes.s.2015040601.11
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    Abstract: The present article reports an analysis and investigation of direct AC-AC quasi-resonant converter. A bidirectional power device, whose switching frequency is lower than the frequency of the current passing through the load, is used for its realisation. A mathematical analysis of the processes has been made and comparative results from computer sim... Show More
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