V
Viliam Fedak
Researcher at Technical University of Košice
Publications - 86
Citations - 884
Viliam Fedak is an academic researcher from Technical University of Košice. The author has contributed to research in topics: Inverter & Power electronics. The author has an hindex of 15, co-authored 84 publications receiving 722 citations.
Papers
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Journal ArticleDOI
An original transformer and switched-capacitor (T & SC)-based extension for DC-DC boost converter for high-voltage/low-current renewable energy applications: Hardware implementation of a new T & SC boost converter
Sanjeevikumar Padmanaban,Mahajan Sagar Bhaskar,Pandav Kiran Maroti,Frede Blaabjerg,Viliam Fedak +4 more
TL;DR: In this article, a new transformer and switched capacitor-based Boost Converter (T & SC-BC) is proposed for highvoltage/low-current renewable energy applications.
Proceedings ArticleDOI
Modeling and simulation of the BLDC motor in MATLAB GUI
TL;DR: A model of brushless DC motor considering behavior of the motor during commutation, with development of simple mathematical model of the BLDC motor with sinusoidal and trapezoidal waveforms of back-EMF is proposed.
Journal ArticleDOI
A solar PV water pumping solution using a three-level cascaded inverter connected induction motor drive
Chinthamalla Ramulu,Padmanaban Sanjeevikumar,Ramsha Karampuri,Sachin Jain,Ahmet H. Ertas,Viliam Fedak +5 more
TL;DR: In this article, a single-stage solution for PV fed three-phase induction motor (IM) water pumping system is presented, which uses time tested, two two-level cascaded H-bridge inverters to give three-level voltage output to the IM pump drive.
Proceedings ArticleDOI
Survey of distance laboratories in power electronics
TL;DR: The paper presents an overview of the current state of development of distance and virtual laboratories in Electrical Engineering with a special attention to the fields of Power Electronics and Electrical Drives.
Proceedings ArticleDOI
Modified SEPIC DC-to-DC boost converter with high output-gain configuration for renewable applications
Charles Muranda,Emre Ozsoy,Sanjeevikumar Padmanaban,Mahajan Sagar Bhaskar,Viliam Fedak,Vigna K. Ramachandaramurthy +5 more
TL;DR: This paper articulates the novel topology for modified SEPIC converter and much suitable for renewable energy and high-voltage applications and validate the developed theoretical analysis and the accuracy of modified circuit.