izv. prof. dr. sc. Bojan Trkulja

Associate professor, Department of Electrical Engineering Fundamentals and Measurements

Location:
Public phone number:
6129-735
Internal phone number:
235
  Editor's books
 

1. Proceedings of the 4th International Colloquium Transformer Research and Asset Management / Štih, Željko; Sitar, Ivan; Mikulecky, Antun; Trkulja, Bojan; Janić, Žarko, editor(s).
Pula : Cigre, Hrvatska, 2017 (proceedings).

2. Journal of Energy Special issue: Papers from 2nd International Colloquium “Transformer Research and Asset Management” / Janić, Žarko; Trkulja, Bojan, editor(s).
Zagreb : HEP, 2017 (proceedings).

3. Journal of Energy Special issue: Papers from 3rd International Colloquium “Transformer Research and Asset Management” / Trkulja, Bojan; Janić, Žarko, editor(s).
2017 : HEP, 2017 (proceedings).

4. Special issue of the 4th International Colloquium "Transformer Research and Asset Management" / Trkulja, Bojan, editor(s).
Oxford, UK : Elsevier, 2017 (proceedings).
 
  Textbooks and scripts
 

1. Trkulja Bojan.
Electromagnetic fields - homework problems .
Zagreb : FER, 2012.
 
  Journal articles and review articles in CC journals
 

1. Drandić, Ana; Trkulja, Bojan.
Transformer capacitance matrix computation using 3D boundary element method and adaptive cross approximation. // International journal of numerical modelling- electronic networks devices and fields. EMF18 SPECIAL ISSUE (2019) ; 1-9 (journal article).

2. Drandić, Ana; Trkulja, Bojan.
Fast computation of electric field and capacitance matrix of transformer windings with boundary element method and adaptive cross approximation. // IET electric power applications. 13 (2019) , 9; 1422-1427 (journal article).

3. Drandić, Ana; Trkulja, Bojan.
Computation of electric field inside substations with boundary element methods and adaptive cross approximation. // Engineering analysis with boundary elements. 91 (2018) ; 1-6 (journal article).

4. Žiger, Igor; Trkulja, Bojan; Štih, Željko.
Determination of Core Losses in Open-Core Power Voltage Transformers. // IEEE access. 6 (2018) ; 29426-29435 (journal article).

5. Trkulja, Bojan; Drandić, Ana; Milardić, Viktor; Župan, Tomislav; Žiger, Igor; Filipović-Grčić, Dalibor.
Lightning impulse voltage distribution over voltage transformer windings — Simulation and measurement. // Electric power systems research. 147 (2017) ; 185-191 (journal article).

6. Župan, Tomislav; Trkulja, Bojan.
Frequency dependent resistance calculation of multiple conductors. // COMPEL - The international journal for computation and mathematics in electrical and electronic engineering. 36 (2017) , 5; 1396-1410 (journal article).

7. Župan, Tomislav; Trkulja, Bojan; Obrist, Roman; Franz, Thomas; Cranganu-Cretu Bogdan; Smajić, Jasmin.
Transformer Windings’ RLC Parameters Calculation and Lightning Impulse Voltage Distribution Simulation. // IEEE transactions on magnetics. 52 (2016) , 3; 8400204/1-8400204/4 (journal article).

8. Župan, Tomislav; Štih, Željko; Trkulja, Bojan.
Fast and Precise Method for Inductance Calculation of Coaxial Circular Coils With Rectangular Cross Section Using the One- Dimensional Integration of Elementary Functions Applicable to Superconducting Magnets. // IEEE transactions on applied superconductivity. 24 (2014) , 2; 4901309-1-4901309-9 (journal article).

9. Štih, Željko; Trkulja, Bojan.
Application of bicubic splines in the boundary element method. // Engineering analysis with boundary elements. 33 (2009) , 6; 896-900 (journal article).

10. Trkulja, Bojan; Štih, Željko.
Computation of Electric Fields Inside Large Substations. // IEEE Transactions on Power Delivery. 24 (2009) , 4; 1898-1-1902-5 (journal article).
 
  Scientific papers in other journals
 

1. Trkulja, Bojan; Štih, Željko; Župan, Tomislav.
Calculation of Low Frequency Electric Fields of Complex Power System Facilities. // International Review of Electrical Engineering. 6 (2011) , 2; 1024-1029 (journal article).

2. Trkulja, Bojan; Štih, Željko; Berberović, Sead.
Thermal analysis of buried high-voltage cables. // Energija : časopis Hrvatske elektroprivrede. 57 (2009) , 6; 676-687 (journal article).

3. Trkulja, Bojan; Štih, Željko.
Computation of quasistatic electromagnetic fields of complex electric power facilities. // Energija : časopis Hrvatske elektroprivrede. 57 (2008) , 5; 580-591 (journal article).
 
  Scientific conference papers with international peer-review
 

1. Drandić, Ana; Trkulja, Bojan.
Transformer electric field calculation using BEM and FEM // 4th International Colloquium "Transformer Research and Asset Management", Pula, Croatia, May 10 – 12, 2017 Pula : HRVATSKI OGRANAK CIGRÉ / Štih, Željko, Sitar, Ivan, Mikulecky, Antun, Trkulja, Bojan, Janić, Žarko (ur.)., editor(s).
Zagreb, 2017. 312-318 (poster,international peer-review,published,scientific).

2. Trkulja, Bojan; Drandić, Ana; Štih, Željko.
Development of 3D BEM code for Computation of a Transformer Winding’s Capacitance Matrix // 4th International Colloquium "Transformer Research and Asset Management", Pula, Croatia, May 10 – 12, 2017Pula : HRVATSKI OGRANAK CIGRÉ , 2017. / Štih, Željko, Sitar, Ivan, Mikulecky, Antun, Trkulja, Bojan, Janić, Žarko, editor(s).
Zagreb, 2017. 1-6 (poster,international peer-review,published,scientific).

3. Trkulja, Bojan; Štih, Željko; Župan, Tomislav.
Calculation of Self- and Mutual Inductances of Power Transformers Using a 3D Modified Magnetostatic Integral Equation Approach // Proceedings of ELECO 2017 10th International Conference on Electrical and Electronics Engineering.
Bursa, Turkey : EMO: The Chamber of Electrical Engineers, Bursa, Turkey, 2017. 22-25 (lecture,international peer-review,published,scientific).

4. Župan, Tomislav; Trkulja, Bojan; Štih, Željko.
Power transformer winding model for lightning impulse testing // 4th International Colloquium "Transformer Research and Asset Management", Pula, Croatia, May 10 – 12, 2017.
Pula : HRVATSKI OGRANAK CIGRÉ, 2017. NM_16-NM_16 (lecture,international peer-review,published,scientific).

5. Župan, Tomislav; Trkulja, Bojan.
Frequency Dependent Resistance Calculation of Multiple Conductors // Proceedings of the 17th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering / Magele, Christian, editor(s).
Graz, 2016. (poster,international peer-review,published,scientific).

6. Haznadar, Zijad; Trkulja, Bojan; Škopljanac- Mačina, Frano.
Thorium Reactor Nuclear Power Plants // Zbornik radova Nove Tehnologije "New Technologies - NT 2015" / Karabegović, Isak ; Doleček, Vlatko ; Pašić, Sead, editor(s).
Bihać : Society for Robotics of Bosnia and Herzegovina, 2015. 35-37 (lecture,international peer-review,published,scientific).

7. Župan, Tomislav; Štih, Željko; Trkulja, Bojan.
Fast Computation of Inductances and Capacitances of High Voltage Power Transformer Windings // Proceedings of the 15th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering / Magele, Christian, editor(s).
Graz, 2012. 137-143 (poster,international peer-review,published,scientific).

8. Štih, Željko; Župan, Tomislav; Berberović, Sead; Trkulja, Bojan.
Calculation of Capacitances of Windings of High Voltage Power Transformers // Proceedings of the XII CLEEE - 12th Portuguese- Spanish Conference on Electrical Engineering / Antunes, Carlos L. ; Donsion, Manuel P., editor(s).
Coimbra : APDEE, 2011. (lecture,international peer-review,published,scientific).

9. Trkulja, Bojan; Štih, Željko; Župan, Tomislav.
Calculation of Low Frequency Electric Fields of Complex Power System Facilities // Proceedings of the 14th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering / Magele, Christian, editor(s).
Graz, 2010. 484-486 (poster,international peer-review,published,scientific).

10. Trkulja, Bojan; Pavić, Armin.
Calculation of Electro-Quasistatic Fields by BEM // Proceedings of the XV International Symposium on Theoretical Electrical Enginering.
Lubeck, 2009. (poster,international peer-review,published,scientific).

11. Marčinko Trkulja, Željka; Trkulja, Bojan.
Application of BEM in design // Zbornik radova 17. međunarodni simpozij P&P 2008 "Planiranje i projektiranje" / Srb, Neven, editor(s).
Zagreb : EDZ, Zagreb, 2008. 20-23 (lecture,international peer-review,published,scientific).

12. Haznadar, Zijad; Trkulja, Bojan.
Contemporary technological challenges // Zbornik radova EIS 2007 14. međunarodnog simpozija "Elektroinženjerski simpozij" / Srb, Neven, editor(s).
Šibenik : Elektrotehničko društvo Zagreb, 2007. 1-6 (lecture,international peer-review,published,scientific).

13. Trkulja, Bojan.
Contemporary 3D numerical calculations of EM fields in substations // Zbornik radova EIS 2007 14. međunarodnog simpozija "Elektroinženjerski simpozij" / Srb, Neven, editor(s).
Šibenik : Elektrotehničko društvo Zagreb, 2007. 91-94 (lecture,international peer-review,published,scientific).

14. Trkulja, Bojan.
Thermal and Magnetic Field Analysis of Underground High Voltage Cable System // VIII International PhD Workshop OWD'2006 / Kluszczynski, Krzysztof, editor(s).
Gliwice : Silesian University of Technology, Gliwice, 2006. (lecture,international peer-review,published,scientific).

15. Trkulja, Bojan; Štih, Željko; Berberović, Sead.
Coupled Electromagnetic - Thermal Analysis of Underground Power Cables // Proceedings of the 12th International Symposium on Numerical Field Calculation in Electrical Engineering.
Graz : Graz University of Technology, 2006. (poster,international peer-review,published,scientific).

16. Željko, Štih; Sead, Berberović; Trkulja, Bojan.
Magnetic Field of Underground Power Cables // International Conference on Electromagnetic Fields, Health and Environment / Carlos Lemos Natunes, editor(s).
Coimbra, Portugal : APDEE Portugal, 2006. 1.19-1.24 (lecture,international peer-review,published,scientific).

17. Štih, Željko; Trkulja, Bojan; Berberović, Sead.
Computation of Low-Frequency Electric Fields in Computation of Low-Frequency Electric Fields in Analysis of Electromagnetic Field Exposure // 9th Spanish Portuguese Congress on Electrical Engineering (9CHLIE) Proceedings.
Marbella, 2005. 1-5 (lecture,international peer-review,published,scientific).

18. Štih, Željko; Trkulja, Bojan.
Computation of Low-frequency Electromagnetic Field Near Transmission Lines and Substations // Proceedings of the 10th International Symposium on Numerical Field Calculation in Electrical Engineering.
Graz : Graz University of Technology, 2002. 131-134 (poster,international peer-review,published,scientific).
 
  Other refereed conference papers
 

1. Haznadar, Zijad; Trkulja, Bojan; Župan, Tomislav.
Energy and nanotechnology // Zbornik radova EIS 2014, 28. međunarodni simpozij, "Elektroinženjerski simpozij", Dani Josipa Lončara / Srb, Neven, editor(s).
Zagreb : Kolding, 2014. 14-16 (lecture,international peer-review,published).

2. Haznadar, Zijad; Trkulja, Bojan; Župan, Tomislav.
New Roles of Hydrogen in Renewable Energy Economy // Zbornik radova EIS 2013, 26. međunarodni simpozij, "Elektroinženjerski simpozij", Dani Josipa Lončara / Srb, Neven, editor(s).
Zagreb : Kolding, 2013. (lecture,international peer-review,published).

3. Haznadar, Zijad; Trkulja, Bojan; Župan, Tomislav.
Nanotechnology and Ethics // Zbornik radova EIS 2010, 20. međunarodni simpozij, "Elektroinženjerski simpozij", Dani Josipa Lončara / Srb, Neven, editor(s).
Zagreb : Kolding, 2010. 1-4 (lecture,international peer-review,published).

4. Štih, Željko; Trkulja, Bojan; Mihalic, Dragutin.
Calculation and measurement of electromagnetic fileds in 400 kV substations of transmission network of Croatia // Zbornik referata (CD) 9. Savjetovanja Hrvatskog komiteta za velike električne sustave - HRO CIGRE, Grupa C4-Tehničke značajke elektroenergetskog sustava.
Cavtat : CIGRE, 2009. 10 (lecture,international peer-review,published,expert).

5. Štih, Željko; Haznadar, Zijad; Berberović, Sead; Trkulja, Bojan.
Analysis of general public and professional electromagnetic field exposure due to the substation 110/30/10 kV Jarun // Šesto savjetovanje Hrvatskog komiteta međunarodnog vijeća za velike električne sustave CIGRE - Zbornik radova.
Cavtat : Hrvatski komitet CIGRE, 2003. 45-54 (lecture,domestic peer-review,published,expert).
 
  Abstracts in Book of abstracts
 

1. Trkulja, Bojan; Drandić, Ana; Štih, Željko.
Integral Equation Methods for Ion Flow Field // ICOSAHOM 2018.
(lecture,international peer-review,abstract,scientific).

2. Drandić, Ana; Trkulja, Bojan.
Computation of transformer capacitance matrix with 3D BEM and adaptive cross approximation // Proceedings of 11 International Symposium on Electric and Magnetic Fields.
Darmstadt, 2018. 1-1 (poster,international peer-review,abstract,scientific).

3. Frljić, Stjepan; Trkulja, Bojan.
2D Method for Calculation of Eddy Current Losses in Laminated Core of Transformer // Proceedings of 11 International Symposium on Electric and Magnetic Fields.
Darmstadt, 2018. 1-1 (poster,international peer-review,abstract,scientific).

4. Trkulja, Bojan; Frljić, Stjepan; Drandić, Ana; Žiger, Igor; Štih, Željko.
Computation of Self- and Mutual Inductances of Open-core Transformers Using a 3D Integral Equations Approach // Proceedings of 2018 First International Colloquium on Smart Grid Metrology (SmaGriMet) / Ivšić, Branimir ; Jurčević, Marko, editor(s).
Zagreb : University of Zagreb, Faculty of Electrical Engineering and Computing, 2018. 120-121 (lecture,international peer-review,abstract,scientific).

5. Drandić, Ana; Trkulja, Bojan.
Computation of electric field in transformers by boundary element method and fast multipole method // 11th International Conference on Computational Scientific Computing in Electrical Engineering.
2016. (poster,international peer-review,abstract,scientific).

6. Trkulja, Bojan; Drandić, Ana.
Calculation of Power Frequency Electric Field with Boundary Element Methods and Adaptive Cross Approximation // Proceedings of 10th International Symposium on ELECTRIC AND MAGNETIC FIELDS / Bréard, A., Buret, F., Fabrègue, O., Sixdenier, F., Voyer. d., editor(s).
Lyon, 2016. 1-1 (poster,international peer-review,abstract,scientific).

7. Župan, Tomislav; Štih, Željko; Trkulja, Bojan.
Fast and Robust Method for Mutual Inductance Calculation of Coaxial Circular Coils with Rectangular Cross Section // 19th Conference on the Computation of Electromagnetic Fields COMPUMAG 2013.
2013. (poster,international peer-review,abstract,scientific).

8. Štih, Željko; Trkulja, Bojan.
Application of Bicubic Splines in the Boundary Element Method // Proceedings of the 16th Conference on the Computation of Electromagnetic Fields COMPUMAG 2007 / Dular, Patrick ; Kurz, Stefan, editor(s).
Aachen : IEM RWTH , 2007, 2007. 257-259 (poster,international peer-review,abstract,scientific).
 
  Unpublished papers
 

1. Trkulja, Bojan; Marčinko Trkulja, Željka.
Application of Mathematica in e-learning // .
(lecture,domestic peer-review,unpublished,expert).
 
  Dissertations
 

1. Trkulja, Bojan.
Electromagnetic field calculation of complex power system facilities / doctoral thesis.
Zagreb : Fakuletet elektrotehnike i računarstva, 11.07. 2008., 164 pages. Mentor: Štih, Željko.
 
  Master thesis
 

1. Trkulja, Bojan.
Calculation of quasistatic electromagnetic field by the method of moments / pre-Bologna master thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 03.12. 2004, 83 pages. Mentor: Štih, Željko.
 
  Mentoring
 

1. Drandić, Ana.
Computation of electric field in transformer winding insulation using boundary element method and adaptive cross approximation / doctoral thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 17.05. 2019, 117 pages. Mentor: Trkulja, Bojan.
 

Teaching duties

University undergraduate

University graduate

Postgraduate doctoral study programme

Postgraduate spec. study

Competences

  • Computers and information processing
    Power engineering computing High performance computing
  • Mathematics
    MLFMA Finite element analysis
  • Control systems
    Dielectric devices
  • Electromagnetic compatibility and interference
    Electromagnetic analysis Electromagnetic coupling Electromagnetic transients
  • Materials, elements, and compounds
    Magnetic materials