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personal data approved: 2017. VI. 02.
Personal data
István Varjasi
name István Varjasi
year of birth 1956
name of institution
doctoral school
BME Doctoral School of Electrical Engineering (Supervisor)
accreditation statement submitted to: Budapest University of Technology and Economics
Contact details
E-mail address varjasiaut.bme.hu
phone number +36 1 463-1552
own web page
Academic title
scientific degree, title Ph.D.
year degree was obtained 1997
discipline to which degree belongs electrical engineering
institution granting the degree Budapesti Műszaki Egyetem (to be translated)
Employment
1980 - BME Automatizálási és Alk. Informatikai Tanszék (research institute, not university)
Thesis topic supervisor
number of doctoral students supervised until now 5
number of students who fulfilled course requirements 2
students who obtained their degrees:
Attila Balogh PhD 2011  DSEE

completed course requirement, without degree or degree granting in process:
András Futó (PhD) 2016/01  DSEE
Tamás Kökényesi (PhD) 2014/08  DSEE
present PhD students:
Dávid Kiss (PhD) (2021/08)  DSEE
Tibor Debreceni (PhD) (2018/08)  DSEE
  Thesis topic proposals
Research
research area Control of power converters used in utilization of renewable energy, power converters of smart grids, motion control
research field in which current research is conducted electrical engineering
Publications
2016

Debreceni T, Szabó P, Balázs GG, Varjasi I: FPGA-synthesizable electrical battery cell model for high performance real-time algorithms, PERIODICA POLYTECHNICA-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE 60: (3) pp. 163-170.
type of document: Journal paper/Article
language: English
DOI 
2016

T Debreceni, G Gy Balázs, I Varjasi: Mission Profile-Oriented Design of Battery Systems for Electric Vehicles in MATLAB/Simulink®, In: Szerk.: Manuel Pérez Donsión International Conference on Renewable Energies and Power Quality (ICREPQ’16). [s. l.] - Nemzetközi: European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ), 2016. Paper Debreceni et al. 6 p.
Renewable Energy and Power Quality Journal (RE&PQJ)
type of document: Part of book/Proceedings Paper
language: English
Full text 
2016

Futó András, Varjasi István, Debreceni Tibor, Balázs Gergely György: METHOD AND SYSTEM FOR DEAD TIME COMPENSATION IN A PWM CONTROLLED INVERTER, Lajstromszám: EP3104516 Benyújtás helye: Magyarország
type of document: Patent/Europian patent
language: English
URL 
2016

Kökényesi Tamás, Varjasi István, Debreceni Tibor, Balázs Gergely György, Futó András: Method and System for Simulating Inverter Phase Legs During Discontinuous Conduction Mode, Lajstromszám: EP3104514 Benyújtás helye: Magyarország
type of document: Patent/Europian patent
language: English
2015

A Futo, I Varjasi: Empirical compensation of low order harmonics due to flat top modulation, In: Szerk.: Viliam Fedák Electrical Drives and Power Electronics (EDPE), 2015 International Conference on. New York: IEEE, 2015. pp. 447-452.
type of document: Part of book/Proceedings Paper
language: English
DOI 
2014

A. Futó, I. Varjasi, Z. Sütő: Current Ripple Calculation for Dead Time Compensation in Three Phase PWM Inverters, In: Szerk.: Igor Kuzle, Szerk.: Tomislav Capuder, Szerk.: Hrvoje Pandžić EnergyCon 2014: IEEE International Energy Conference. Dubrovnik: IEEE, 2014. pp. 195-201.
IEEE International Energy Conference
type of document: Part of book/Proceedings Paper
language: English
DOI 
2014

Andras Futo, Istvan Varjasi: Simple Model Based Dead Time Compensation Using Fast Current Measurement, In: Szerk.: Wei Deng AASRI Conference on Circuit and Signal Processing: (CSP 2014). Amsterdam: Elsevier, 2014. pp. 146-151. (AASRI Procedia; 9.)
type of document: Part of book/Proceedings Paper
language: English
DOI 
2011

Kökényesi Tamás, Varjasi István: FPGA-Based Real-Time Simulation of Power Converters of Renewable Energy Sources, In: Szerk.: anon 6th International Green Energy Conference. [hiányzó városnév]: [s. n.], 2011. pp. 984-992.
type of document: Part of book/Proceedings Paper
language: English
Full text 
2008

Attila Balogh, Eszter Varga, István Varjasi: 3 State Current Mode of a Grid Connected PV Converter, In: EPES2008.Paris, Franciaország, 2008.07.04-2008.07.06. pp. 123-131. Kiadvány: 2008.
type of document: Conference paper/Előadás vagy poszter cikke
language: English
Full text 
2007

Balogh Attila, Varjasi István, Bilau Zoltán Tamás: High Efficiency Control of a Grid Connected PV Converter, In: EuroPES2007.Palma de Mallorca, Spanyolország, 2007.08.29-2007.08.31. pp. 257-263. Kiadvány: 2007.
type of document: Conference paper/Előadás vagy poszter cikke
language: English
Full text 
Number of independent citations to these publications:
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
52
number of scientific publications:
53
monographs and professional books:
0
monographs/books in which chapters/sections were contributed:
1 
scientific publications published abroad that meet the accreditation criteria:
29
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
10
number of independent citations to scientific publications and creative works:
11

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )