dr. sc. Luka Pravica

Senior assistant, Department of Electric Machines, Drives and Automation

Framework for Sensorless Control and Flying Start of a Permanent Magnet Generator Based on a Sliding Mode Observer

Jukić, Filip ; Pravica, Luka ; Sumina, Damir ; Erceg, Igor
2023.
IEEE Transactions on Industrial Electronics

Sizing of Supercapacitor-based Energy Storage System for Elevator Applications

Godec, Damjan ; Pravica, Luka ; Kutija, Martina ; Makar, Martin
2022.
1st IEEE Industrial Electronics Society Annual On-line Conference (ONCON 2022)

Sensorless Synchronization Method For a Grid-Side Converter With an LCL Filter Based On a Sliding Mode Observer and Discontinuous Operating Mode

Jukić, Filip ; Pravica, Luka ; Stipetić, Stjepan
2022.
XXV. International Conference on Electrical Machines (ICEM 2022)

Design Challenges of Bidirectional Interleaved DC-DC Converter for Energy Storage Systems in Elevator Applications

Makar, Martin ; Kutija, Martina ; Pravica, Luka ; Šunde, Viktor
2022.
20th International Conference on Power Electronics and Motion Control (PEMC)

Supercapacitor-Based Energy Storage in Elevators to Improve Energy Efficiency of Buildings

Makar, Martin ; Pravica, Luka ; Kutija, Martina
2022.
Applied Sciences-Basel

DC/DC Converter Topologies for Elevator Energy Storage Systems Based on Supercapacitors

Makar, Martin ; Kutija, Martina ; Pravica, Luka ; Jukić, Filip
2021.
35th International Conference on Electrical Drives and Power Electronics (EDPE) 10th Joint Croatian- Slovak Conference

Analysis of Regenerative Cycles and Energy Efficiency of Regenerative Elevators

Erica, Dora ; Godec, Damjan ; Kutija, Martina ; Pravica, Luka ; Pavlić, Ivana
2021.
35th International Conference on Electrical Drives and Power Electronics (EDPE) 10th Joint Croatian- Slovak Conference

Sliding Mode Observers Combined with Locked Loop Techniques for Sensorless Vector Controlled Synchronous Reluctance Machines

Pavlić, Ivana ; Pravica, Luka ; Kutija, Martina ; Erceg, Igor ; Matuško, Jadranko
2021.
IEEE 19th International Conference on Power Electronics and Motion Control (PEMC 2020)

Regenerative Energy Potential of Roped Elevator Systems - A Case Study

Kutija, Martina ; Pravica, Luka ; Godec, Damjan ; Erica, Dora
2021.
IEEE 19th International Conference on Power Electronics and Motion Control (PEMC 2020)

Electric Power Quantities in the Presence of Harmonics - A Case Study

Kutija, Martina ; Pravica, Luka
2021.
IEEE 19th International Conference on Power Electronics and Motion Control (PEMC 2020)

Effect of Harmonics on Ferroresonance in Low Voltage Power Factor Correction System—A Case Study

Kutija, Martina ; Pravica, Luka
2021.
Applied Sciences-Basel

Harmonic distortion analysis for TS6 transformer station of the plant Vetropack Straža d.d.

Kutija, Martina ; Pravica, Luka
2020.

Harmonic distortions in transformer stations TS Kuljani and TS Uncani I

Kutija, Martina ; Pravica, Luka
2020.

Functional testing of electrical energy measurement system in Selk d.d.

Kutija, Martina ; Pravica, Luka
2020.

Overview of the permitted levels of current and voltage harmonic distortion in the medium voltage network in the Republic of Croatia

Kutija, Martina ; Pravica, Luka
2020.
14. SIMPOZIJ O VOĐENJU EES-a

Current and voltage harmonic analysis in Kanuf Insulation plant after installation of active filter

Kutija, Martina ; Pravica, Luka
2019.

Reactive power in nonlinear electrical networks

Žarković, Alen ; Kutija, Martina ; Stanić, Milan ; Pravica, Luka
2019.
14. savjetovanje HRO CIGRE

Flying Start and Continuous Operation of a Permanent Magnet Wind Generator Based on Discontinuous Currents, Discrete Second-Order Sliding-Mode Observer and Phase-Locked Loop

Jukić, Filip ; Pravica, Luka ; Bariša, Tin ; Sumina, Damir
2019.
IET Renewable Power Generation

Flying Start of a Permanent Magnet Wind Power Generator Based on a Discontinuous Converter Operation Mode and a Phase-Locked Loop

Pravica, Luka ; Sumina, Damir ; Bariša, Tin ; Kovačić, Marinko ; Čolović, Igor
2018.
IEEE transactions on industrial electronics

Permanent Magnet Generator q-axis Inductance Adaptation Using High-Frequency Signal Injection

Pravica, Luka ; Kutija, Martina ; Sumina, Damir
2018.
19th International Conference on Industrial Technology

Current and voltage harmonic analysis in Kanuf Insulation plant

Kutija, Martina ; Pravica, Luka ; Sumina, Damir
2018.

Interior Permanent Magnet Wind Generator Torque Estimation Considering Low-Pass Filter Phase Shift Compensation

Pravica, Luka ; Jukić, Filip ; Bariša, Tin ; Stipetić, Stjepan
2018.
2018 International Symposium on Industrial Electronics (INDEL)

Flying start and sensorless control of permanent magnet wind power generator using induced voltage measurement and phase-locked loop

Bariša, Tin ; Sumina, Damir ; Pravica, Luka ; Čolović, Igor
2017.
Electric power systems research

Torque Control of a Wind Power Permanent Magnet Generator in a Flux Weakening Region

Pravica, Luka ; Bariša, Tin
2017.
2017 19th International Conference on Electrical Drives and Power Electronics (EDPE)

Practical Approach for Parameter Determinations of Interior Permanent Magnet Generator

Jukić, Filip ; Sumina, Damir ; Pravica, Luka ; Kuzle, Igor
2017.
17th IEEE International Conference on Smart Technologies IEEE EUROCON 2017

Biography

Luka Pravica was born in Osijek, Croatia, in 1988. He received the B.Sc. and M.Sc. degrees in electrical engineering from the University of Zagreb, Zagreb, Croatia, in 2010 and 2012, respectively, where he is currently working toward the Ph.D. degree as a Research Assistant in the Department of Electric Machines, Drives and Automation, Faculty of Electrical Engineering and Computing.
From 2012 to 2016 he was Electrical Drives Specialist with the Danieli Systec, Labin, Croatia. His research interests include industrial automation, power converters and control of electrical drives and machines.

Competences

  • Control systems
    Power generation control Closed loop systems Control design Control engineering Microcontrollers Servosystems Phase locked loops Nonlinear control systems Open loop systems PI control Sensorless control Sliding mode control
  • Education
    Electrical engineering education Industrial training Vocational training
  • IEEE organization
    IEEE Conference activities IEEE Student activities
  • Industrial electronics
    Process control Continuous production
  • Industry applications
    Steel industry Motor drives Variable speed drives Electric machines AC machines Generators Permanent magnet machines Rotating machines
  • Power electronics
    AC-AC converters DC-AC power converters Power conversion AC-AC converters DC-AC power converters Pulse width modulation converters Voltage-source converters
  • Power engineering and energy
    Wave power Wind energy Wind energy generation Industrial power systems Power system harmonics Power harmonic filters
  • Systems engineering and theory
    Variable structure systems
  • Circuits and systems
    Active filters Harmonic filters

Professional memberships

  • IEEE Young Professionals
  • IEEE Membership (student)
  • IEEE Industrial Electronics Society
  • HRO CIGRÉ

Personal data

Graduation year:
2012.
PhD graduation year:
2022.
Employed in this institution since:
2016.

List of select projects

Researcher, HYDREL - Synchronous reluctance generators for micro hydropower plants, Prof. dr. sc. Stjepan Stipetić,  01.11.2018.-31.10.2022., HRZZ - IP-01-2018 (in progress)

Researcher, PMGEFC - Development of Advanced Sensorless Control of Permanent Magnet Generator for Improving Energy Efficiency, Prof. dr. sc. Damir Sumina, 01.09.2014.-30.04.2018. HRZZ-UIP-2013-11-7601

Past employments

December 2012 - July 2016. Electrical Drives Specialist, Danieli - Systec d.o.o., Vinež 601, Labin, Croatia. Main activities and responsibilities:

  • January 2013 --February 2013: precommissioning of electrical drives ABB ACS6000 and ASC800 in Heavy section mill, Chelyabinsk Metallurgical Plant OAO, Russia
  • June 2013 - December 2013: precommisioning, commissioning and assistance for electrical drives Gefran AVD200 and TPD32EV, and Secom F3E in Rolling mill, bar line and wire road, Hoa Phat Steel JSC, Vietnam
  • April 2014 - June 2014: commissioning of electrical drives ABB ACS800, DCS600 and ACSM1 in Rolling mill and wire road, Dneprovsky Iron & Steel, Ukraine
  • July 2014 - March 2015: precommisioning and commissioning of electrical drives Gefran AVD200 and TPD32EV, and Secom F3E in Rolling mill and bar line, Heavy section mill and Steal making plant, Posco SS-Vina, Vietnam
  • April 2015 - May 2015: precommisioning and cold tests of electrical drives Siemens Sinamics 120 in Medium section mill, Geradu Corsa, Mexico
  • May 2015 - October 2015: commissioning of electrical drives Gefran AVD200 and TPD32EV, and Secom F3E in Light section mill, M-Metal, Thailand
  • December 2015 - February 2016: commissioning of reheating induction furnace by Danieli Automation Q-Heat and Q-WCU in Wire road, GSW, Spain
  • March 2015 - May 2016: commissioning of reheating induction furnace by Danieli Automation Q-Heat and Q-WCU in Wire road, voestalpine, Austria
  • June 2015 - July 2016: commissioning of reheating induction furnace by Danieli Automation Q-Heat and Q-WCU in Micro rolling mill, Abou Hashima, Egypt