Flying‐start and continuous operation of a permanent‐magnet wind generator based on discontinuous currents, discrete second‐order sliding‐mode observer and …

F Jukić, L Pravica, T Bariša… - IET renewable power …, 2020 - Wiley Online Library
In wind energy conversion systems of type 4, the critical operating point in permanent‐
magnet generators (PMGs) is the moment of switching on the generator‐side converter …

Comparison of torque estimation methods for interior permanent magnet wind power generator

F Jukic, D Sumina, I Erceg - 2017 19th International …, 2017 - ieeexplore.ieee.org
Control reliability of interior permanent magnet generator (IPMG) depends on accurate
knowledge of the generator outputs (torque, currents etc.) and model parameters …

Fixed Switching Frequency Direct Model Predictive Control of Synchronous Reluctance Machines Based on Stator Flux Gradients

I Zagorščak, L Pravica, I Erceg, Š Ileš - IEEE access, 2024 - ieeexplore.ieee.org
This paper proposes a direct model predictive control method with a fixed switching
frequency for stator flux control of a synchronous reluctance machine. Besides ensuring a …

Torque control of a wind power permanent magnet generator in a flux weakening region

L Pravica, T Bariša - … on Electrical Drives and Power Electronics …, 2017 - ieeexplore.ieee.org
In this paper a flux weakening method for a wind power permanent magnet generator is
proposed. In a wind energy conversion system, the rotor speed increases with the wind …

Izravno modelsko prediktivno upravljanje momentom sinkronoga reluktantnog stroja uz konstantnu sklopnu frekvenciju energetskoga pretvarača

I Zagorščak - 2024 - repozitorij.fer.unizg.hr
Ova doktorska disertacija rezultat je istraživanja u području upravljanja sinkronim
reluktantnim strojem. Prvi dio disertacije donosi matematički model sinkronog reluktantnog …

Leteći start sinkronoga stroja primjenom isprekidanoga načina rada energetskoga pretvarača

L Pravica - 2022 - repozitorij.fer.unizg.hr
Ova disertacija rezultat je istraživanja u području upravljanja sinkronim strojevima bez
mjernog člana brzine vrtnje za potrebe uključenja pretvarača dok je stroj u vrtnji, što se …

Bezsenzorsko upravljanje sinkronim vjetrogeneratorom s permanentnim magnetima zasnovano na opserveru u kliznom načinu rada

F Jukić - 2022 - dr.nsk.hr
Sažetak Ovaj doktorski rad predstavlja istraživanje bezsenzorskog upravljanja
vjetrogeneratorom s permanentnim magnetima temeljeno na opserveru u kliznom načinu …

Permanent magnet generator q-axis inductance adaptation using high-frequency signal injection

L Pravica, M Kutija, D Sumina - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
The model-based rotor position estimation methods for permanent magnet generators
(PMGs) are susceptible to machine parameter variations, especially inductances which are …