• 8010

    Inffeldgasse 18 Graz

    Austria

Research Output 1992 2020

2020

Low-Cost BLDC Claw-Pole Motor Design for Fan Applications with Reduced Cogging Torque and Balanced Axial Forces

Leitner, S., Grübler, H. & Muetze, A., 15 Mar 2020, 2020 IEEE Applied Power Electronic Conference and Exposition (APEC). IEEE Xplore

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2019
Power converters
Pumped storage power plants
Topology
Electric potential
Semiconductor switches

Angle Modulated Switching Strategy for Fractional Horsepower BLDC Motors for Improved Electromagnetic Compatibility

Krall, F., Grübler, H. & Muetze, A., 2 Sep 2019, 21th European Conference on Power Electronics and Applications (EPE'19 ECCE Europe). IEEE Xplore

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Closing the Loop between Circuit and Thermal Simulation: A System Level Co-Simulation for Loss Related Electro-Thermal Interactions.

Langbauer, T. R., Mentin, C., Rindler, M., Vollmaier, F., Connaughton, A. & Krischan, K., 27 Sep 2019, (Unpublished) p. 1-6. 6 p.

Research output: Contribution to conferencePaperResearchpeer-review

Cogging Torque Minimization and Performance of the Sub-Fractional HP BLDC Claw-Pole Motor

Leitner, S., Grübler, H. & Muetze, A., 18 Jun 2019, In : IEEE Transactions on Industry Applications. 2019, 5, p. 4653-4664 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Effects of Manufacturing Imperfections and Design Parameters on Radial Magnetic Forces in the BLDC Claw-Pole Motor

Leitner, S., Grübler, H. & Muetze, A., 13 May 2019, 2019 IEEE International Electric Machines and Drives Conference (IEMDC). IEEE Xplore, p. 2167-2173

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Pumped storage power plants
Power converters
Personnel rating
Power plants
Synchronous generators

Innovative Low-Cost Sub-Fractional HP BLDC Claw-Pole Machine Design for Fan Applications

Leitner, S., Grübler, H. & Muetze, A., 9 Jan 2019, In : IEEE Transactions on Industry Applications. 55, 3, p. 2558-2568 11 p., 8606100.

Research output: Contribution to journalArticleResearchpeer-review

Machine design
Fans
Poles
Torque
Costs

Rheometer-Based Cogging Torque Measurement for Sub-Fractional HP Permanent Magnet Motors

Leitner, S., Krenn, G., Grübler, H. & Muetze, A., 19 Jun 2019, 2019 IEEE International Transportation and Electrification Conference and Expo (ITEC). IEEE Xplore, p. 1 -7

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Space Mapping-Based Fractional Horsepower Permanent Magnet Motor Design

Gruebler, H., Krall, F., Leitner, S. & Muetze, A., 13 May 2019, 2019 IEEE International Electric Machines and Drives Conference (IEMDC). Institute of Electrical and Electronics Engineers, p. 455-460 6 p. 8785135

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Permanent magnets
Fractional horsepower motors
Physics
Finite element method

Variable ON-Time Control Scheme for the Secondary Side Controlled Flyback Converter

Connaughton, A. M., Talei, A. P., Leong, K. K., Krischan, K. & Muetze, A., 1 Mar 2019, In : IEEE Transactions on Power Electronics. 34, 3, p. 2416-2426 11 p., 8371652.

Research output: Contribution to journalArticleResearchpeer-review

Switching frequency
Hardware
Networks (circuits)
Electric potential
Design optimization
2018

A voltage unbalance factor coding technique for three-phase induction motors

Abu-Elhaija, W. & Muetze, A., 30 Jan 2018, In : International Transactions on Electrical Energy Systems. 28, 6, e2554.

Research output: Contribution to journalArticleResearchpeer-review

Induction Motor
Induction motors
Coding
Voltage
Electric potential

Cogging Torque Minimization on a Mass-Produced Sub-Fractional Horsepower Brushless Direct Current Claw-Pole Motor

Leitner, S., Grübler, H. & Muetze, A., 2018, 2018 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Xplore, p. 6083 - 6089

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Degradation of magnetic properties of electrical steel sheets due to different cutting techniques

Bali, M., 14 Feb 2018, EnInnov 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Design Considerations to Improve the Efficiency of an AC-AC Converter at Partial Load

Mahafzah, K. & Krischan, K., 2018, 15. Symposium Energieinnovation: Neue Energie für unser bewegtes Europa. Graz: Institut für Elektrizitätswirtschaft und Energieinnovation, Technische Universität Graz , p. 357 - 358 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Determination of the Energy Efficiencies of Inverter-Fed Induction Machines

Bacher, J. P. & Strauss, S., 2018, 15. Symposium Energieinnovation. p. 355-356

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Drehzahlvariable Kleinantriebe einiger zehn Watt – nicht nur Blech und Kupfer wie eh und je?

Muetze, A., 2018.

Research output: Contribution to conferencePaperResearchpeer-review

Efficiency Determination of Inverter-Fed Induction Machines and the Impacts of the Inverter Supply

Bacher, J. P., Strauss, S. & Muetze, A., 19 Jun 2018, SPEEDAM 2018 – Proceedings. p. 902-907 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Experimental Determination of Specific Power Losses and Magnetostriction Strain of Grain-Oriented Electrical Steel Coils

Tanzer, T., Pregartner, H., Muetze, A. & Krischan, K., Mar 2018, In : IEEE Transactions on Industry Applications. 54, 2, p. 1235-1244 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Magnetostriction
Steel
Power transformers
Inspection

Full-Size Converter Operation of Large Hydro Power Generators: Generator Design Aspects

Holzer, T. & Muetze, A., 6 Dec 2018, 2018 IEEE Energy Conversion Congress and Exposition (ECCE). p. 7363-7368

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Impact of rotor position sensor errors on speed controlled permanent magnetized synchronous machines

Gachter, J., Hirz, M. & Seebacher, R., 9 Feb 2018, 2017 IEEE 12th International Conference on Power Electronics and Drive Systems, PEDS 2017. Institute of Electrical and Electronics Engineers, Vol. 2017-December. p. 822-830 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Rotors
Sensors
Electric machinery
Speed control
Torque control

Improved Switching Strategy for a Single-Phase Brushless Direct Current Fan Drive and its Impact on Efficiency

Gruebler, H., Leitner, S., Muetze, A. & Schoener, G., Dec 2018, In : IEEE Transactions on Industry Applications. 54, 6, p. 6050 - 6059 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Fans
Copper
Energy conversion
Conversion efficiency
Torque
Electromagnetic compatibility
DC-DC converters
Topology
Electric potential

Internal Model--Based Active Resonance Damping Current Control of a Grid-Connected Voltage-Sourced Converter with an LCL Filter

Leitner, S., Yazdanian, M., Ziaeinejad, S., Mehrizi-Sani, A. & Muetze, A., 2018, In : IEEE Transactions on Power Systems. p. 6025 - 6036

Research output: Contribution to journalArticleResearchpeer-review

Loss-Surface-Based Iron Loss Prediction for Fractional Horsepower Electric Motor Design

Gruebler, H., Krall, F., Leitner, S. & Muetze, A., 30 Oct 2018, 2018 20th European Conference on Power Electronics and Applications, EPE 2018 ECCE Europe. Institute of Electrical and Electronics Engineers, 8515633

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Fractional horsepower motors
Iron
Fluxes

Loss-Surface--Based Iron Loss Prediction for Fractional Horsepower Electric Motor Design

Grübler, H., Krall, F., Leitner, S. & Muetze, A., 18 Sep 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Low-Cost Sub-Fractional Horsepower Brushless Direct Current Claw-Pole Machine Topology for Fan Applications

Leitner, S., Grübler, H. & Muetze, A., 2018, 2018 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE Xplore, p. 1242 - 1248

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Low Voltage Ride Through Capability of Single-Phase Induction Machines

Bacher, J. P. & Muetze, A., 2018, In : e&i - Elektrotechnik und Informationstechnik. Heft 2.2018, p. 223-229 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Magnetostriction of Electrical Steel and Its Relation to the No-Load Noise of Power Transformers

Tanzer, T., Pregartner, H., Riedenbauer, M., Labinsky, R., Witlatschil, M., Muetze, A. & Krischan, K., 1 Sep 2018, In : IEEE Transactions on Industry Applications. 54, 5, p. 4306-4314 9 p., 8367848.

Research output: Contribution to journalArticleResearchpeer-review

Magnetostriction
Power transformers
Steel
Magnetic cores
Steel sheet

Non-Linear Space-Dependency of Main and Differential Inductances of Permanent Magnet Electric Machines

Bacher, J. P. & Muetze, A., 19 Jun 2018, SPEEDAM 2018 – Proceedings. p. 286-291 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Normalization-based approach to electric motor BVR related capacitances computation

Ahola, J., Muetze, A., Niemela, M. & Romanenko, A., 18 Apr 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers, Vol. 2018-March. p. 2868-2874 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Rotors (windings)
Electric motors
Stators
Capacitance
Bearings (structural)

Post-fault operation strategy for single switch open circuit faults in electric drives

Eickhoff, H. T., Seebacher, R., Muetze, A. & Strangas, E. G., 2018, In : IEEE Transactions on Industry Applications. 54, 3, p. 2381-2391

Research output: Contribution to journalArticleResearchpeer-review

Electric drives
Torque
Switches
Networks (circuits)
Experiments

Smooth Reference Modulation to Improve Dynamic Response in Electric Drive Systems

Yazdanian, M., Mehrizi-Sani, A., Seebacher, R., Krischan, K. & Muetze, A., Jul 2018, In : IEEE Transactions on Power Electronics. 33, 7, p. 6434-6443 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Electric drives
Dynamic response
Modulation
Dynamical systems
Electric machinery
Steel sheet
Deterioration
Degradation
Lasers

Thermal Performance Modeling of Foil Conductor Concentrated Windings in Electric Machines

Rios, M., Venkataraman, G., Muetze, A. & Eickhoff, H. T., Oct 2018, In : IEEE Transactions on Industry Applications. 54, 5, p. 4104-4113

Research output: Contribution to journalArticleResearchpeer-review

Electric machinery
Metal foil
Temperature distribution
Heat transfer
Hot Temperature

Unterstützung eines unsymmetrischen Netzes unter Ausnutzung der Induktivitäten einer umrichtergespeisten Asynchronmaschine als Energiespeicher

Krischan, K. & Seebacher, R., 2018, 15. Symposium Energieinnovation: Neue Energie für unser bewegtes Europa. Graz: Verlag der Technischen Universität Graz, p. 361-362 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Variable Speed Operation of Large Hydro Power Plants

Holzer, T., 2018.

Research output: Contribution to conferenceAbstractResearchpeer-review

Analysis of the vibration magnitude of an induction motor with different numbers of broken bars

Mütze, A., Martinez Garcia Tenorio, J. & Belahcen, A., 2017, In : IEEE Transactions on Industry Applications. PP, 99, p. 1-1

Research output: Contribution to journalArticleResearchpeer-review

A Power Supply Achieving Titanium Level Efficiency for a Wide Range of Input Voltages

Konrad, W., Deboy, G. J. & Mütze, A., Jan 2017, In : IEEE Transactions on Power Electronics. 1, 32, p. 117-127 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Christian Doppler Laboratory for Brushless Drives for Pump and Fan Applications

Grübler, H., Leitner, S., Mütze, A. & Schöner, G., 2017.

Research output: Contribution to conferencePosterResearch

Fans
Pumps
Electric drives
Hydraulics

Determination of Original Nondegraded and Fully Degraded Magnetic Characteristics of Material Subjected to Laser Cutting

Bali, M., De Gersem, H. & Muetze, A., 1 Sep 2017, In : IEEE Transactions on Industry Applications. 53, 5, p. 4242-4251 10 p., 7906608.

Research output: Contribution to journalArticleResearchpeer-review

Lasers
Degradation
Steel sheet
Magnetic properties
Magnetic materials

Electric machine utilization during the post-fault operation after inverter open circuit faults

Eickhoff, H., Strangas, E. G. & Mütze, A., 2017, Proceedings of 2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED). Institute of Electrical and Electronics Engineers, p. 201-207 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Electric machinery
Networks (circuits)
Topology
Finite element method
Temperature

Enhanced and fast detection of open switch faults in inverters for electric drives

Eickhoff, H., Seebacher, R., Mütze, A. & Strangas, E. G., 2017, In : IEEE Transactions on Industry Applications. 53, 6, p. 5415-5425

Research output: Contribution to journalArticleResearchpeer-review

Foil conductor concentrated coil windings for modular permanent magnet AC machines

Rios, M., Venkataramanan, G. & Mütze, A., Oct 2017, p. 1191 - 1196.

Research output: Contribution to conferencePosterResearchpeer-review

Foil conductor concentrated coil windings for modular permanent magnet AC machines

Rios, M., Venkataramanan, G. & Mütze, A., Oct 2017, 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Xplore, p. 1191 - 1196 (IEEE Energy Conversion Congress and Exposition (ECCE)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

GriDConv: HVDC-DC Converter for High Voltage Direct Current Transmission Systems – Background and Design

Krischan, K., Schichler, U., Deutschmann, B., Reichhartinger, M., Auinger, B., Vollmaier, F., Horn, M. & Renner, H., 26 Apr 2017. 1 p.

Research output: Contribution to conferencePosterResearchpeer-review

GriDConv: HVDC-DC Converter for High Voltage Direct Current Transmission Systems – Background and Design

Krischan, K., Schichler, U., Deutschmann, B., Reichhartinger, M., Auinger, B., Vollmaier, F., Horn, M. & Renner, H., 26 Apr 2017, 15. EMV-Fachtagung / Leistungselektronikschau: OVE Schriftenreihe Nr. 87. Winkler, G. (ed.). Wien: Österreichischer Verband für Elektrotechnik, Vol. 87. p. 41 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review