Klaus Krischan

Ass.Prof. Dipl.-Ing. Dr.techn.

1990 …2019
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Research Output 1992 2019

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Conference contribution
2018

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

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

2017

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

GriDConv: HVDC-DC Converter for High Voltage Direct Current Transmission Systems – The Electronic System

Deutschmann, B., Auinger, B., Vollmaier, F., Krischan, K., Schichler, U., Horn, M., Reichhartinger, 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. 42 1 p.

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

Magnetic properties and their relation to the no-load noise and no-load losses of large power transformers

Tanzer, T., Pregartner, H., Riedenbauer, M., Labinsky, R., Witlatschil, M., Mütze, A. & Krischan, K., 21 May 2017, Magnetic properties and their relation to the no-load noise and no-load losses of large power transformers. Miami, FL: IEEE Xplore, p. 1-6 (IEEE).

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

Magnetostriction and its relation to the no-load noise of power transformers

Tanzer, T., Pregartner, H., Labinsky, R., Witlatschil, M., Mütze, A. & Krischan, K., 21 May 2017, Magnetic properties and their relation to the no-load noise and no-load losses of large power transformers. Miami, FL: IEEE Xplore, p. 1-6 (IEEE).

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

Performance enhancement of a modular test system for power semiconductors for HTOL testing by use of an embedded system

Sleik, R., Glavanovics, M., Krischan, K. & Mütze, A., 11 Sep 2017, Proc. 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe). Warsaw: IEEE Xplore, p. 1-8 (European Conference on Power Electronics and Applications ).

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

Reduction of the suction losses through reed valves in hermetic reciprocating compressors using a magnet coil

Hopfgartner, J. W., Posch, S., Zuber, B., Almbauer, R., Krischan, K. & Stangl, S., 2017, Proceedings of the International Conference on Compressors and their Systems 2017, London, GB.

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

2016

A two-step analytic design and optimization of small variable speed PMSMs for home appliances

Martinez Garcia Tenorio, J., Krischan, K. & Mütze, A., Sep 2016, 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe). p. 1-10 10 p.

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

Domestic appliances
Rotors
Iron
Electric motors
Stators

Efficiency Enhancement of a Three Phase Hard Switching Inverter Under Light Load Conditions

Mahafzah, K. A. A. K., Krischan, K. & Mütze, A., Oct 2016, IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. p. 3372-3377 6 p.

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

File
Domestic appliances
Networks (circuits)
Power transistors

Efficiency Enhancement of a Three Phase Soft Switching Inverter Under Light Load Conditions

Mahafzah, K. A. A. K., Krischan, K. & Mütze, A., Oct 2016, IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. p. 3378-3383 6 p.

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

File
Poles
Switches
Topology
Power transistors

Experimental determination of specific power losses and magnetostriction of electrical steel coils

Tanzer, T., Pregartner, H., Mütze, A. & Krischan, K., 2016, 2016 XXII International Conference on Electrical Machines (ICEM). p. 2230-2236

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

Magnetostriction
Steel
Inspection
Fluxes

Minimization of the Synrel’s Oscillating Torque by Calculation of the Appropriate Skew Angle

Martinez Garcia Tenorio, J., Krischan, K. & Mütze, A., 2016, Proceedings : XXIV Symposium Electromagnetic Phenomena in Nonlinear Circuits: June 28 - July 1, 2016, Helsinki, Finland : EPNC 2016. Helsinki: Aalto University, 6 p.

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

Torque
Reluctance motors
Synchronous motors

Modular Test System Architecture for Device, Circuit and System Level Reliability Testing

Sleik, R., Glavanovics, M., Einspieler, S., Mütze, A. & Krischan, K., 2016, IEEE Applied Power Electronics Conference and Exposition. ., p. 1-7

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

Open Access
File

New control concept for soft-switching Flyback converters with very high switching frequency

Connaughton, A., Krischan, K., Leong, K. K. & Mütze, A., 12 May 2016, Applied Power Electronics Conference and Exposition (APEC), 2016 IEEE. Institute of Electrical and Electronics Engineers, p. 355-361

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

Switching frequency
Switches
2015

A single stage 54V to 1.8V multi-phase cascaded buck voltage regulator module

Leong, K. K., Deboy, G., Krischan, K. & Muetze, A., 8 May 2015, APEC 2015 - 30th Annual IEEE Applied Power Electronics Conference and Exposition. May ed. Institute of Electrical and Electronics Engineers, Vol. 2015-May. p. 1966-1973 8 p. 7104617

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

Voltage regulators
Electric potential
Farms
Microprocessor chips
Servers
2014

A simple SiC JFET based AC variable current limiter

Konrad, W., Leong, K. K., Krischan, K. & Mütze, A., 2014, Proc. 16th European Conference on Power Electronics and Applications. ., p. 1-7

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

Condition monitoring and failure prognosis of IGBT inverters based on on-line characterization

Babel, A., Muetze, A., Seebacher, R., Krischan, K. & Strangas, E. G., 11 Nov 2014, 2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014. Institute of Electrical and Electronics Engineers, p. 3059-3066 8 p. 6953816

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

Insulated gate bipolar transistors (IGBT)
Condition monitoring
Current voltage characteristics
Failure analysis
Classifiers

Inverter device nonlinearity characterization technique for use in a motor drive system

Babel, A., Mütze, A., Seebacher, R., Krischan, K. & Strangas, E., 2014, IEEE Applied Power Electronics Conference and Exposition. ., p. 2767-2774

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

State of the Art and Future Trends of Electric Drives and Power Electronics for Automotive Engineering

Fabian, J., Hirz, M. & Krischan, K., 2014, (Accepted/In press) SAE World Congress. .

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

2013

Development and evaluation of control and power hardware for a line side PWM current source inverter

Krischan, K., Wiltberger, W. & Mütze, A., 2013, Proceedings of the EPE'13 ECCE Europe, 15th European Conference on Power Electronics and Applications. ., p. P.1-P.10

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

2011

A method for electrically isolated voltage measurement in PWM inverters

Vorauer, M., Krischan, K. & Mütze, A., 2011, International Conference on Electrical Drives and Power Electronics. ., p. 1-6

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

Performance Comparison of Voltage-Source Inverters for Use with Distributed Energy Systems

Jaritz, M., Krischan, K. & Mütze, A., 2011, International Conference on Electrical Drives and Power Electronics. ., p. 1-6

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

Supporting unbalanced grids with induction machine drives by inverters without intermittent energy storage

Krischan, K., Seebacher, R. & Mütze, A., 2011, Proceedings of the 2011-14th European Conference on Power Electronics and Applications (EPE 2011). ., p. 1-10

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

2010

Advanced Iteration for a Magnetic Equivalent Circuit and Modeling a 3-Phase Transformer

Ortner, M. G., Seebacher, R. & Krischan, K., 2010, International Conference on Electrical Machines. ., p. 1-6

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

Comparing Low Cost Speed Control for Single Phase Induction Motors Concerning Line Reaction and Electromagnetic Compatibility

Krischan, K., Dannerer, G., König, O. & Seebacher, R., 2010, Symposium on Power Electronics, Electrical Drives, Automation & Motion. ., p. 1794-1799

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

Design of small potable water power plants, with regard to grid connection and efficiency

Schuster, T., Dannerer, G. & Krischan, K., 2010, Symposium on Power Electronics, Electrical Drives, Automation & Motion. ., p. 568-573

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

Solver for a Magnetic Equivalent Circuit and Modeling the Inrush Current of a 3-Phase Transformer

Ortner, M. G., Magele, C. & Krischan, K., 2010, World Academy of Science, Engineering and Technology ; Vol. 64. Rom: Italien, p. 1-7

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

2009

1MHZ AC-AC converter with low coupling capacitance for measurements of fast switching signals

Vorauer, M. & Krischan, K., 2009, Proceedings of the 15th International Conference on Electrical Drives andPower Electronics. ., p. T02-002 1-T02-002 6

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

Determination of Induction Motor End-Winding Leakage Inductances Using 3-D Non-Conforming FE Meshes

Stermecki, A., Biro, O., Preis, K., Rainer, S., Krischan, K. & Ofner, G., 2009, Proceedings of the 17th Conference on the Computation of Electromagnetic Fields. ., p. 552-553

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

Modeling the induction machine’s main inductance as a function of the supply frequency and the magnetizing and the torque building component of the stator current

Seebacher, R., Dannerer, G., Krischan, K. & Ingruber, R., 2009, European Conference on Power Electronics and Applications. ., p. 480/1-480/10

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

On the selection of single phase induction motors for low cost speed controlled drives

Krischan, K., Dannerer, G. & Seebacher, R., 2009, European Conference on Power Electronics and Applications. ., p. 472/1-472/10

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

The supply frequency’s influence on an induction machine’s main inductance – comparing different approaches using FEM

Krischan, K., Seebacher, R. & Dannerer, G., 2009, Proceedings of the 15th International Conference on Electrical Drives andPower Electronics. ., p. T02-16 1-T02-16 6

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

Wirkungsgradsteigerung durch geregelten Antrieb von Trinkwasserpumpen

Bina, S. & Krischan, K., 2009, Internationale Energiewirtschaftstagung an der TU Wien. ., p. 1-16

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

2008

Calculation of Load-Dependent Equivalent Circuit Parameters of Squirrel Cage Induction Motors Using Time-Harmonic FEM

Stermecki, A., Biro, O., Preis, K., Rainer, S., Krischan, K. & Ofner, G., 2008, ICEM 2008 Conference Proceedings [Elektronische Ressource]. ., p. 1407-1-1407-6

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

Der Beitrag der elektrischen Antriebstechnik zur Energieeinsparung

Fickert, L., Krischan, K., Bacher, J. P., Dannerer, G., Ingruber, R., Ortner, M. G., Schuster, T. & Seebacher, R., 2008, Energiewende EnInnov08. Graz: Technische Universität Graz, p. 1-8

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

Der Beitrag der elektrischen Antriebstechnik zur Energieeinsparung

Fickert, L., Krischan, K., Bacher, J. P., Dannerer, G., Ingruber, R., Ortner, M. G., Schuster, T. & Seebacher, R., 2008, Kurzfassungsband EnInnov08. Graz: Technische Universität Graz, p. 231-232

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

Direct steady-state computation of mechanical vibrations in electrical machines

Rainer, S., Biro, O., Krischan, K., Stermecki, A. & Leopold, P., 2008, ICEM 2008 Conference Proceedings [Elektronische Ressource]. ., p. 1005-1-1005-5

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

Efficient Procedure for Induction Motor Equivalent Circuit Parameter Extraction from Time-Harmonic FEM Results

Stermecki, A., Biro, O., Preis, K., Rainer, S., Krischan, K. & Ofner, G., 2008, proceedings of the 13th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering. ., p. 18623-1-18623-4

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

Energieeinsatz über den Lebenszyklus elektrischer Antriebe

Krischan, K., 2008, Energiewende. Graz: Verlag der Technischen Universität Graz, p. 1--6

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

Investigating the dependency of an induction machine’s main inductance on the supply frequency

Seebacher, R., Krischan, K. & Dannerer, G., 2008, Proceedings of the 2008 International Conference on Electrical Machines. ., p. 1443-1-1443-6

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

Investigating the dependency of an induction machine’s main inductance on the supply frequency using FEM

Krischan, K., Seebacher, R., Dannerer, G., Ofner, G. & Stermecki, A., 2008, proceedings of the 13th International IGTE Symposium on Numerical Field Calculation in Electrical Engineering. ., p. 77627-1-77627-5

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

Investigating the dependency of an induction machine’s main inductance on the torque building current component using FEM

Krischan, K., Seebacher, R., Dannerer, G. & Ofner, G., 2008, Proceedings of the 2008 International Conference on Electrical Machines. ., p. 1444-1-1444-6

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

Low cost speed control for single phase induction motors - comparing different approaches with regard to efficiency

Krischan, K., Dannerer, G., König, O. & Seebacher, R., 2008, Symposium on Power Electronics, Electrical Drives, Automation & Motion. ., p. 262-1-262-6

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

Modeling the induction machine’s main inductance as a function of the magnetizing and the torque building component of the stator current

Dannerer, G., Seebacher, R., Krischan, K. & Ingruber, R., 2008, Proceedings of the 2008 International Conference on Electrical Machines. ., p. 1441-1-1441-6

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

Wirkungsgrad bei kostengünstigen Varianten der Drehzahlstellung von Einphasen Betriebskondensator Asynchronmotoren, die als Antrieb bei Heizungen eingesetzt werden

Krischan, K., Dannerer, G., König, O. & Kinberger, P., 2008, Energiewende. Verlag der Technischen Universität Graz, p. 1-11

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

Wirkungsgradoptimaler Betrieb von Asynchronmaschinen bei variabler Drehzahl

Ingruber, R., Seebacher, R., Dannerer, G. & Krischan, K., 2008, EnInnov08 10. Symposium Energieinnovation, 13.-15.2.2008, Graz/Austria. ., p. 234-235

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

2007

A self-commissioning method for permanent magnet dc-motor drives

Seebacher, R., Dannerer, G. & Krischan, K., 2007, European Conference on Power Electronics and Applications. ., p. 1-10

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

Emulator for a DC-Machine, Working as an Actuator in a Torque Split Unit of an All-Wheel Driven Automobile

Schuster, T., Krischan, K., Seebacher, R. & Dannerer, G., 2007, European Conference on Power Electronics and Applications. ., p. 1-10

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

Injecting position dependent currents in order to reduce oscillations

Seebacher, R., Dannerer, G. & Krischan, K., 2007, European Conference on Power Electronics and Applications. ., p. 1-9

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