AGH University of Science and Technology

EAIiIB  Faculty of Electrical Engineering, Automatics,  Computer Science and Biomedical Engineering
 Department of Power Electronics and Energy  Control Systems

Al. Mickiewicza 30, 30-059 Kraków Poland

 Tel: +48 12 617 4056


LABORATORY DIRECTOR: Professor Robert Stala      

 The switched-capacitor DC-DC boost converter
A. Mondzik, Z. Waradzyn, R. Stala and A. Penczek, "High efficiency switched capacitor voltage doubler with planar core-based resonant choke," 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG), Bydgoszcz, 2016, pp. 402-409. doi: 10.1109/CPE.2016.7544222

The switched-capacitor DC-DC cost-effective convereter
From: Z. Waradzyn, R. Stala, A.  Skała, A.  Mondzik, A. Penczek: "A cost-effective resonant switched-capacitor DC-DC boost converter - experimental results and feasibility model", SENE 2017, Łódź, 22–24 Nov. 2017



-           Design and control of SMPS converter    

-           MOSFET, IGBT, SiC, GaN and thyristor-based converters

-           Digital control focusing on DSP and FPGA

-           Laboratory setup of power converters for research and testing

-            Computer-based simulations

-            PCB design for power circuits and control

Recent papers

R. Stala, "Nine-level inverter based on NPC topology for high frequency operation," 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe), Aalborg, Denmark, 2023, pp. 1-7,
doi: 10.23919/EPE23ECCEEurope58414.2023.10264512

R. Stala and S. Folmer, "High step-down DC-DC converter and results for 48-to-5 V and 400-to-48 V implementation," 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe), Aalborg, Denmark, 2023, pp. 1-7,
doi: 10.23919/EPE23ECCEEurope58414.2023.10264457

S. Folmer, M. Kosakowski and R. Stala, "48-V Input DC-DC High Step-Down Converter in GaN-Based Design," in IEEE Access, vol. 10, pp. 115958-115973, 2022.
doi: 10.1109/ACCESS.2022.3218309

Stala, R.; Hachlowski, J.; Penczek, A. NPC Seven-Level Single-Phase Inverter with DC-Link Voltage Balancing, Input Voltage Boosting, and AC Power Decoupling. Energies 2022, 15, 3729.
doi: 10.3390/en15103729

R. Stala, Z. Waradzyn and S. Folmer, "Input Current Ripple Reduction in a Step-Up DC–DC Switched-Capacitor Switched-Inductor Converter," in IEEE Access, vol. 10, pp. 19890-19904, 2022.
doi: 10.1109/ACCESS.2022.3152543

A. Penczek, A. Mondzik, S. Piróg, M. Twaróg and R. Stala, "New Three-Level Soft Turn-off T-type NPC Inverter," 2021 21st International Symposium on Power Electronics (Ee), Novi Sad, Serbia, 2021, pp. 1-5.
doi: 10.1109/Ee53374.2021.9628388

A. Mondzik, R. Stala, S. Piróg, A. Penczek, P. Gucwa and M. Szarek, "High Efficiency DC–DC Boost Converter With Passive Snubber and Reduced Switching Losses," in IEEE Transactions on Industrial Electronics, vol. 69, no. 3, pp. 2500-2510, March 2022.
doi: 10.1109/TIE.2021.3063874

more …


The switched-capacitor DC-DC converter with tenfold voltage gain
From: Z. Waradzyn, R. Stala, A. Mondzik, A. Penczek, A. Skala and S. Pirog, "Efficiency Analysis of MOSFET-Based Air-Choke Resonant DC–DC Step-Up Switched-Capacitor Voltage Multipliers," in IEEE Transactions on Industrial Electronics, vol. 64, no. 11, pp. 8728-8738, Nov. 2017. doi: 10.1109/TIE.2017.2698368


DC-DC switched capacitor converter for tests of variable voltage gain and fault tolerant operation.
From: R. Stala, Z. Waradzyn, A. Penczek, A. Mondzik and A. Skala, "A Switched-Capacitor DC-DC Converter with Variable Number of Voltage Gains and Fault-tolerant Operation," in IEEE Transactions on Industrial Electronics. doi: 10.1109/TIE.2018.2851962
Recent patents

Robert Stala, Szymon Folmer, "Sposób podwyższania napięcia stałego i układu przekształtnika podwyższającego napięcie stałe — [Method of increasing DC voltage and DC voltage boost converter]", Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie, PL 243286 B1,
Text: PL243286B1.pdf

Robert Stala, „Sposób i układ kontroli napięć na szeregowo połączonych kondensatorach lub akumulatorach” — [Method and the circuit for controlling voltages on series connected capacitors or batteries]. Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie.
Text: PL232336B1.pdf

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