Conference papers

  1. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »Condition Monitoring of Inverter Fed Induction Machines by Means of State Variable Observation«, Conference Proceedings of International Conference on Electrical Machines, EMD, pp. 336–340, 1997.
  2. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »On-line Rotor Cage Monitoring of Inverter Fed Induction Machines: Experimental Results«, Conference Proceedings of the First International IEEE Symposium on Diagnostics of Electrical Machines, Power Electronics and Drives, SDEMPED, pp. 15–22, 1997.
  3. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »Rotor Fault Detection of Inverter Fed Induction Machines including Experimental Results«, Conference Proceedings of the European Conference on Power Electronics and Applications, EPE, pp. 2.532–2.538, 1997.
  4. C. Kral , R. Wieser, F. Pirker, M. Schagginger, »The Vienna Induction Machine Monitoring Method; A Structural Analysis of a Faulty Machine Behavior at a Stiff Voltage Supply«, Power Electronics, Automation, Motion, Drives and Control, Power Quality, PCIM, pp. 425–432, 1998.
  5. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »Sensitive Rotor Cage Monitoring without Frequency Analysis, the Vienna Method«, Symposium on Power Electronics Electrical Drives Advanced Machines Power Quality, speedam, pp. P321–P326, 1998.
  6. C. Kral, R. Wieser, F. Pirker, M. Schagginger, »Sequences of Field Oriented Control for the Detection of Faulty Rotor Bars in Induction Machines – The Vienna Monitoring Method«, 5th International Workshop on Advanced Motion Control, AMC, pp. 463–468, 1998.
  7. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »The Vienna Induction Machine Monitoring Method; On the Impact of Field Oriented Control Structure on Real Operational Behavior of a Faulty Machine«, 24th Annual Conference of the IEEE Industrial Electronics Society, IECON, pp. 1544–1549, 1998.
  8. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »High Sensitive Rotor Cage Monitoring During Dynamic Load Operation, the Vienna Method«, International Conference on Electrical Machines ICEM’98, pp. 432–437, 1998.
  9. R. Wieser, C. Kral, F. Pirker, M. Schagginger, »Robust Induction Machine Cage Monitoring Technique for Highly Distorted Voltage and Current, Waveforms, the Vienna Method«, Seventh International Conference on Power Electronics and Variable Speed Drives, IEE PEVD, 1998.
  10. R. Wieser, M. Schagginger, C. Kral, F. Pirker, »The Integration of Machine Fault Detection into an Indirect Field Oriented Induction Machine Drive Control Scheme The Vienna Monitoring Method«, IEEE Industry Applications Society 33rd Annual Meeting, 1998.
  11. C. Kral, »The Behavior of an Inverter Fed Squirrel Cage Induction Machine with Faulty Rotor Bars«, Proceedings of the Power Conversion & Intelligent Motion International Conference, PCIM, 1999.
  12. C. Kral, »Derivation of the Space Phasor Equations and the Required Parameters of a Squirrel Cage Induction Machine with a Faulty Rotor Bar«, Proceedings of the IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, SDEMPED, pp. 395–400, 1999.
  13. C. Kral, F. Pirker, »Rotor Eccentricity Detection of Induction Machines by Means of Torque Estimation«, Proceedings of the IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, SDEMPED, pp. 283–287, 1999.
  14. C. Kral, F. Pirker, G. Pascoli, H. Oberguggenberger, »On the Sensitivity of Induction Machine Rotor Cage Monitoring – The Vienna Monitoring Method«, Conference Proceedings of the symposium on Power Electronics, Electrical Drives, Automotion and Drives, speedam, pp. B1/13–B1/18, 2000.
  15. C. Kral, F. Pirker, G. Pascoli, »Detection of Rotor Faults in Squirrel Cage Induction Machines at Standstill for Batch Tests by Means of the Vienna Monitoring Method«, Conference Record of the IEEE Industry Applications Conference, IAS, 2000.
  16. C. Kral, F. Pirker, »Vienna Monitoring Method — Detection of Faulty Rotor Bars by Means of a Portable Measurement System«, Proceedings of the International Conference on Electrical Machines, IECM, pp. 873–877, 2000.
  17. C. Kral, F. Pirker, G. Pascoli, »Rotor Asymmetry Monitoring for Slip-Ring and Squirrel Cage Induction Machines by Means of the Vienna Monitoring Method«, Proceedings of the Conference for Power Electronics, Power Quality and Intelligent Motion, PCIM, pp. 223–228, 2000
  18. C. Kral, F. Pirker, G. Pascoli, W. Berghold, »A Labview Based Rotor Fault Diagnostics Tool for Inverter Fed Induction Machines by Means of the Vienna Monitoring Method at Variable Speed«, Proceedings of the IEEE international power electronics congress, CIEP, pp. 324–329, 2000.
  19. C. Kral. K. Kafka, »Power Electronics Monitoring for a Controlled Voltage Source Inverter Drive with Induction Machines«, Proceedings of the Power Electronics Specialists Conference, PESC, pp. B113–B118, 2000
  20. C. Kral, F. Pirker, G. Pascoli, »Detection of Rotor Faults in Inverter Fed Induction Machines by Means of the Vienna Monitoring Method—A Proposed Application for Traction Drives«, Conference Proceedings of the First International Conference on Railway Traction Systems, RTS, vol. 3, pp. 79–89, 2001.
  21. C. Kral, F. Pirker, G. Pascoli, »Influence of Load Torque on Rotor Asymmetry Effects in Squirrel Cage Induction Machines Including Detection by Means of the Vienna Monitoring Method«, Conference Proceedings EPE, August 2001.
  22. C. Kral, F. Pirker, G. Pascoli, »Rotor Eccentricity Detection of Induction Machines by Means of Torque Estimation—Measurement Results«, Conference Proceedings of the Third International IEEE Symposium on Diagnostics of Electrical Machines, Power Electronics and Drives, SDEMPED, pp. 641–644, September 2001.
  23. C. Kral, F. Pirker, G. Pascoli, »Influence of Inertia on General Effects of Faulty Rotor Bars and the Vienna Monitoring Method«, Conference Proceedings of the Third International IEEE Symposium on Diagnostics of Electrical Machines, Power Electronics and Drives, SDEMPED, pp. 447–452, September 2001.
  24. C. Kral, F. Pirker, G. Pascoli, H. Oberguggenberger, »Influence of rotor cage design on rotor fault detection by means of the Vienna Monitoring Method«, ICEM 2002, 15th International Conference on Electrical Machines, Brügge, Paper No. 328, 25-28 August 2002.
  25. C. Kral, F. Pirker, G. Pascoli, E. Wiedenbrug, »Application of Space Phasors for the Discrimination of Short-Circuits and High Inertia Startups«, 2002 IEEE Industry Applications Conference, 37th IAS Annual Meeting, Pittsburgh, October 2002.
  26. C. Kral, F. Pirker, G. Pascoli, »Rotor Eccentricity Detection of Two Pole, Two Phase Squirrel Cage Induction Motors«, Symposium on Power Electronics, Electrical Drives, Automation and Motion, speedam, pp. B1/1–B1/5, 2002.
  27. F. Pirker, G. Brauner, C. Kral, G. Pascoli, »Sicherer Umgang mit elektrischen Anlagen«, Proceedings VDE/ETG-Fachtagung ICOLIM 2002, 6. Internationale Konferenz über »Arbeiten unter Spannung«, Paper no. A5/3, Berlin, 5. - 7. Juni 2002.
  28. C. Kral, T.G. Habetler, R.G. Harley, F. Pirker, G. Pascoli, H. Oberguggenberger, C.J.M. Fenz, »Rotor temperature estimation of squirrel cage induction motors by means of a combined scheme of parameter estimation and a thermal equivalent model«, IEEE International Electric Machines and Drives Conference, IEMDC, 2003.
  29. C. Kral, T.G. Habetler, R.G. Harley, »Detection of Mechanical Imbalances without Frequency Analysis«, 4th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED, pp. 317–321, 2003.
  30. C. Kral, T.G. Habetler, R.G. Harley, F. Pirker, G. Pascoli, H. Oberguggenberger, C.J.M. Fenz, »A Comparison of Rotor Fault Detection Techniques with Respect to the Assessment of Fault Severity«, 4th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED, pp. 265–270, 2003.
  31. C. Kral, F. Pirker, G. Pascoli, »Model Based Detection of Rotor Faults without Rotor Position Sensor—the Sensorless Vienna Monitoring Method«, 4th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED, pp. 253–258, 2003.
  32. G. Pascoli, C. Kral, F. Pirker, N. Pokorny, »Experiences with Online Partial Discharge Diagnoses on Turbogenerators«, 4th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED, pp. 20–24, 2003.
  33. C. Kral, F. Pirker, G. Pascoli, C.-J.M. Fenz, »Influence of Load Torque on the Detection of Rotor Faults by Means of the Sensorless Vienna Monitoring Method«, Conference Proceedings of the Second IEE International Conference on Power Electronics, Machines and Drives, PEMD, pp. 108-113, 2004.
  34. C. Kral, F. Pirker, A. Haumer, M. Haigis, G. Pascoli, »Comparison of a Thermal CFD and a Thermal Equivalent Circuit Model of a Squirrel Cage Induction Machine«, International Aegean Conference on Electrical Machines and Power Electronics, ACEMP, pp. 426-430, 2004.
  35. C.-J. Fenz, G. Brauner, C. Kral, F.A. Himmelstoss, »Hybrid Switching of High Currents in the Vicinity of the Zero Crossing of the Supply Voltage«, Proceedings of the 9th international conference on optimization of electrical and electronic equipments, OPTIM, vol. I, pp. 199-204, 2004.
  36. M. Plainer, C. Kral, G. Singer, »Investigation of the Longitudinal Dynamic Effects Before and After the Derailment of a Freight Train«, Conference Proceedings, ASME 2004.
  37. H. Oberguggenberger, C. Kral, »A FPGA based Rotor Fault Diagnostic Tool for Squirrel Cage Induction Machines by Means of the Vienna Monitoring Method«, Power Electronics, Intelligent Motion and Power Quality, PCIM 2004.
  38. C. Kral, C.-J. Fenz, M. Plainer, F. Pirker, G. Pascoli, »Mechanical imbalances – test bed, measurement, detection technique«, International Conference on Electrical Machines ICEM, 2004.
  39. C.-J. Fenz, G. Brauner, C. Faltin, C. Kral, F.A. Himmelstoss, »A Hybrid Synchronous High Current Switching Device«, International Power Electronics and Motion Control Conference, EPE-PEMC, 2004.
  40. C. Kral, A. Haumer, M. Plainer, »Simulation of a thermal model of a surface cooled squirrel cage induction machine by means of the SimpleFlow-library«, Modelica 2005 Conference, pp. 213–218, 2005
  41. C. Kral, A. Haumer, »Modelica libraries for dc machines, three phase and polyphase machines«, Modelica 2005 Conference, pp. 549–558, 2005.
  42. C. Kral, F. Pirker, G. Pascoli, »Model-Based Detection of Rotor Faults Without Rotor Position Sensor – The Sensorless Vienna Monitoring Method«, IEEE Transactions on Industry Applications, vol. 41, no. 3, pp. 784-789, May-June 2005.
  43. C. Kral, A. Haumer, H. Kapeller, F. Pirker, G. Pascoli, C.-J.M. Fenz, »Comparison of two rotor temperature estimation models of a surface cooled squirrel cage induction machine«, International Electric Machines and Drives Conference, IEMDC, 2005.
  44. C. Kral, H. Kapeller, F. Pirker, G. Pascoli, C.-J.M. Fenz, »Discrimination of rotor faults and low frequency load torque modulations of squirrel cage induction machines by means of the Vienna Monitoring Method«, Power Electronics Specialists Conference, PESC, 2005.
  45. C. Kral, H. Kapeller, F. Pirker, G. Pascoli, »Detection of Rotor Faults under Transient Operating Conditions by Means of the Vienna Monitoring Method«, IEEE International Symposium on Diagnostics on Electric Machines, Power Electronics and Drives, SDEMPED, 2005.
  46. C. Kral, H. Kapeller, J. Gragger, F. Pirker, G. Pascoli, »Detection of mechanical imbalances during transient torque operating conditions«, IEEE International Symposium on Diagnostics on Electric Machines, Power Electronics and Drives, SDEMPED, 2005.
  47. H. Kapeller, C. Kral, F. Pirker, G. Pascoli, »Stator Winding Turn Fault Detection for Induction Machines«, IEEE International Symposium on Diagnostics on Electric Machines, Power Electronics and Drives, SDEMPED, 2005.
  48. G. Ujvari, G. Pascoli, C. Kral, C. Kollmitzer, "Partial Discharge Pattern Recognition Algorithm for Turbo Generator", IEEE International Symposium on Diagnostics on Electric Machines, Power Electronics and Drives, SDEMPED, 2005.
  49. D. Simic, C. Kral, F. Pirker, »Simulation of the Cooling Circuit with an Electrically Operated Water Pump«, IEEE Vehicle Power and Propulsion Conference, VPPC, 2005.
  50. H. Giuliani, C. Kral, J.V. Gragger, »Modelica Simulation of Electric Drives for Vehicular Applications – The Smart Drives Library«, 18th Symposium on Simulation Technique, ASIM, 2005.
  51. S. Rajagopalan, T.G. Habetler, C. Kral, F. Pirker, »Monitoring and Diagnostics for Electric Drivetrain Components in HEVs«, SAE World Congress 2006.
  52. D. Simic, H. Giuliani, C. Kral, F. Pirker, »Simulation of Conventional and Hybrid Vehicle including Auxiliaries with Respect to Fuel Consumption and Exhaust Emissions«, SAE World Congress 2006.
  53. C. Kral, J.V. Gragger, F. Pirker, G. Pascoli, »Sensorless Rotor Position Estimation through Current Signature Analysis Based on Rotor Saliency Harmonics«, International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM, 2006.
  54. C. Kral, A. Haumer, H. Kapeller, F. Pirker, »Design and thermal simulation of induction machines for traction in electric and hybrid electric vehicles«, The 22nd International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exposition, EVS22, 2006.
  55. C. Kral, H. Kapeller, F. Pirker, »A stator and rotor fault detection technique for induction machines in traction applications of electric or hybrid electric vehicles«, The 22nd International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exposition, EVS22, 2006.
  56. H. Giuliani, J.V. Gragger, D. Simic, C. Kral, »Optimization of a Four Wheel Drive Hybrid Electric Vehicle by Means of the Smart Electric Drives and the Smart Power Train Library«, The 22nd International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exposition, EVS22, 2006.
  57. H. Lang, C. Kral, A. Haumer, M. Haigis, R. Schulz, »Investigation of the Thermal Behavior of a Salient Pole Synchronous Machine«, XVII International Conference on Electrical Machines ICEM 2006
  58. C. Kral, A. Haumer, M. Haigis, H. Lang, H. Kapeller, »Comparison of Measurements with a CFD Analysis and a Thermal Equivalent Circuit Model of a TEFC Induction Machine«, XVII International Conference on Electrical Machines ICEM 2006.
  59. D. Simic, H. Giuliani, J. Gragger, C. Kral, »Simulation of Hybrid Electric Vehicles«, 5th International Modelica Conference, 2006
  60. M. Dempsey, H. Elmqvis, M. Gaefvert, P. Harman, C. Kral, M. Otter, P. Treffinger, »Coordinated automotive library for vehicle system modelling«, 5th International Modelica Conference, 2006
  61. J.V. Gragger, H. Giuliani, C. Kral, T. Bäuml,, H. Kapeller, F. Pirker, »The SmartElectricDrives Library -- Powerful Models for Fast Simulations of Electric Drives«, 5th International Modelica Conference, 2006.
  62. U. Reisenbichler, H. Kapeller, A. Haumer, C. Kral, F. Pirker, G. Pascoli, »If we only had used XML...«, 5th International Modelica Conference, 2006
  63. H. Kapeller, A. Haumer, C. Kral, F. Pirker, G. Pascoli, »Identification and controls of electrically excited synchronous machines«, 5th International Modelica Conference, 2006.
  64. R. Schimon, D. Simic, A. Haumer, C. Kral, M. Plainer, »Simulation of Components of a Thermal Power Plant«, 5th International Modelica Conference, 2006.
  65. D. Simic, C. Kral, H. Lacher, »Optimization of a Cooling Circuit with a Parameterized Water Pump Model«, 5th International Modelica Conference, 2006.
  66. G. Pascoli, G.Ujvari, W. Hribernik, C. Kral, »Implementation of an intelligent pattern recognition algorithm for the condition assessment of generator insulation systems«, International Conference on Condition Monitoring and Diagnosis, CMD, 2006.
  67. J. Gragger, C. Kral, H. Giuliani, D. Simic, »A Simulation Tool for Electric Auxiliary Drives in HEVs - the Smart Electric Drives Library«, FISITA 2006
  68. T. Bauml, C. Kral, A. Haumer, H. Kapeller, »Enhanced Thermal Model of a Totally Enclosed FanCooled Squirrel Cage Induction Machine«, IEMD 2007
  69. C. Kral, F. Pirker, G. Pascoli, »The Impact of Inertia on Rotor Faults Effects – Theoretical Aspects of the Vienna Monitoring Method«, Conference Proceedings of the International IEEE Symposium on Diagnostics of Electrical Machines, Power Electronics and Drives, SDEMPED,2007
  70. C. Kral, A. Haumer, F. Pirker, »A Modelica Library for the Simulation of Electrical AsymmetriesIn Multiphase Machines – The ExtendedMachines Library«, Conference Proceedings of the International IEEE Symposium on Diagnostics of Electrical Machines, Power Electronics and Drives, SDEMPED,2007
  71. T. Bäuml , C. Kral, H. Kapeller, H. Neudorfer, »Thermal Design, Simulations and Measurements of a High Performance Double Air Cooled Traction Machine«, RTS, 2007
  72. H. Lang, M. Haigis, C. Kral, A. Haumer, H. Kapeller, H. Neudorfer, F. Dangl, W. Sollinger, »Thermal investigation of rotating electrical machinery«, NAFEMS Congress, 2007
  73. H. Neudorfer, F. Dangl, M. Dallinger, W. Sollinger, H. Lang, H. Kapeller, C. Kral, T. Bäuml, »Entwicklung und messtechnische Verifizierung eines Traktionsgenerators in der Leistungsklasse von 1,2 MW«, ETG Kongress des VDE, Kundennutzen durch neue Technologien in der Bahntechnik, Karlsruhe, 23.-24. Oktober 2007
  74. J. V Gragger, A. Haumer, C. Kral, F. Pirker, "Efficient Analysis of Harmonic Losses in PWM Voltage Source Induction Machine Drives with Modelica”, International Modelica Conference, 6th, Bielefeld, Germany, 2008
  75. C. Kral, A. Haumer, »Simulation of Electrical Rotor Asymmetries in Squirrel Cage Induction Machines with the ExtendedMachines Library«, International Modelica Conference, 6th, Bielefeld, Germany, 2008
  76. A. Haumer, C. Kral, J.V. Gragger, H. Kapeller, »Quasi-Stationary Modeling and Simulation of Electrical Circuits using Complex Phasors«, International Modelica Conference, 6th, Bielefeld, Germany, 2008
  77. H. Kapeller, A. Haumer, C. Kral, G. Pascoli, F. Pirker, »Modeling and Simulation of a Large Chipper Drive«, International Modelica Conference, 6th, Bielefeld, Germany, 2008
  78. C. Kral, A. Haumer, »Consistent Equivalent Circuit Parameters of Induction Motors for the Calculation of Partial Load Efficiencies«, IEEE International Symposium on Industrial Electronics, ISIE, 2008
  79. H. Kapeller, A. Haumer, C. Kral, C. Grabner, ” Investigation of the Operational Behavior of a Large Chipper Drive”, International Conference of Electrical and Electronics Engineering, ICEEE at World Congress of Engineering, London, U.K., 1-3 July 2009
  80. C. Kral, A. Haumer, C. Grabner, "Consistent Induction Motor Parameters for the Calculation of Partial Load Efficiencies”, International Conference of Electrical and Electronics Engineering, ICEEE at World Congress of Engineering, London, U.K., 1-3 July 2009
  81. C. Kral, A. Haumer, C. Grabner, "Modeling and Simulation of Broken Rotor Bars in Squirrel Cage Induction Machines”, International Conference of Electrical and Electronics Engineering, ICEEE at World Congress of Engineering, London, U.K., 1-3 July 2009
  82. C. Grabner, J.V. Gragger, H. Kapeller, A. Haumer, C. Kral , "Sensorless Permanent Magnet Drive Design”, International Conference of Electrical and Electronics Engineering, ICEEE at World Congress of Engineering, London, U.K., 1-3 July 2009
  83. C. Kral, A. Haumer, B. Kubicek, O. Winter, ”Model of a Squirrel Cage Induction Machine with Interbar Conductances”, Modelica Conference, 2009
  84. A. Haumer, C. Kral, H. Kapeller, T. Bäuml, J.V. Gragger, "The AdvancedMachines Library: Loss Models for Electric Machines", Modelica Conference, 2009
  85. C. Kral, H. Kapeller, J.V. Gragger, A. Haumer, B. Kubicek, ”Phenomenon Rotor Fault – Multiple Electrical Rotor Asymmetries in Induction Machines”, SDEMPED 2009
  86. Christian Kral, Ruud Sprangers, Jeroen Waarma, Anton Haumer, Oliver Winter, Elena Lomonova, "Modeling Demagnetization Effects in Permanent Magnet Synchronous Machines”, XIX International Conference on Electrical Machines, ICEM 2010
  87. A. Haumer, T. Bäuml, C. Kral, „Multiphysical Simulation Improves Engineering of Electric Drives”, EUROSIM Conference, 2010
  88. Einhorn, M.; Conte, V.; Kral, C.; Niklas, C.; Popp, H. & Fleig, J, "A Modelica Library for Simulation of Electric Energy Storages”, Modelica Conference 2011
  89. C. Jungreuthmayer, T. Bäuml, O. Winter, M. Ganchev, H. Kapeller, A. Haumer, C. Kral, "Heat and Fluid Flow Analysis of an Internal Permanent Magnet Synchronous Machine by Means of Computational Fluid Dynamics”, IEEE International Electric Machines and Drives Conference, IEMDC 2011
  90. C. Kral, A. Haumer, "The New FundamentalWave Library for Modeling Rotating Electrical Three Phase Machines”, Modelica Conference 2011
  91. A. Haumer, C. Kral, "Modeling a Mains connected PWM Converter with Voltage-Oriented Control”, Modelica Conference 2011
  92. M. Einhorn, V. Conte, C. Kral, J. Fleig, "Comparison of Electrical Battery Models using an Optimized Parameterization Method”, IEEE Vehicle Power and Propulsion Conference, VPPC, 2011
  93. Jongman Hong, Sang Bin Lee, C. Kral, and A. Haumer, "Detection and Classification of Rotor Demagnetization and Eccentricity Faults for PM Synchronous Motors”, IEEE Energy Conversion Congress and Exposition, 2011
  94. Jongman Hong, Sang Bin Lee, C. Kral, and A. Haumer, "Detection of Airgap Eccentricity for Permanent Magnet Synchronous Motors based on the d-axis inductance”, IEEE Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2011
  95. Jose Antonino-Daviu, Jongbin Park, Sang Bin Lee, Jiyoon Yoo and C. Kral, "Detection of Broken Outer Cage Bars for Double Cage Induction Motors under the Startup Transient”, IEEE Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2011
  96. M. Einhorn, F. V. Conte, C. Kral, H. Popp, J. Fleig, "Parameterization of an Electrical Battery Model using a Numeric Optimization Method”, Advanced Automotive Battery Conference, AABC, 2011
  97. M. Ganchev, C. Kral, H. Oberguggenberger, T. Wolbank, "Sensorless Rotor Temperature Estimation of Permanent Magnet Synchronous Motor”, 37th Annual Conference of the IEEE Industrial Electronics Society, IECON, 2011
  98. H. Popp, V. Conte, C. Kral, B. Nesovic-Lukic, M. Einhorn, "New State of Health Definition Considering Capacity Fade and Impedance Increase", Advanced Automotive Battery Conference, AABC, 2011
  99. T. Bäuml, C. Jungreuthmayer, C. Kral, "An Innovative Parametrization Method for a Thermal Equivalent Circuit Model of an Interior Permanent Magnet Synchronous Machine”, 37th Annual Conference of the IEEE Industrial Electronics Society, IECON, 2011
  100. A. Haumer and C. Kral, "A Parameterization Scheme for High Performance Thermal Models of Electric Machines using Modelica”, Mathmod Conference, 2012
  101. J. Gragger, C.-J. Fenz, H. Kernstock and C. Kral, "A fast inverter model for electro-thermal simulation”, Applied Power Electronics Conference and Exposition (APEC), pp. 2548-2555, 2012
  102. S. B. Lee, H. Jongman, C. Kral, "Monitoring of Airgap Eccentricity for Inverter-Fed Induction Motors based on the Differential Inductance", IEEE Energy Conversion Congress and Exposition, ECCE, Raleigh, NC, USA, 2012
  103. C. Kral, A. Haumer, S. B. Lee, "Innovative Thermal Model for the Estimation of Permanent Magnet and Stator Winding Temperatures", IEEE Energy Conversion Congress & Exposition, ECCE 2012, Raleigh, NC, USA
  104. S. B. Lee, H. Jongman, C. Kral, "Monitoring of Airgap Eccentricity for Inverter-Fed Induction Motors based on the Differential Inductance"; IEEE Energy Conversion Congress and Exposition, ECCE 2012, Raleigh, NC, USA
  105. C. Kral, A. Haumer, S. B. Lee, "Robust Thermal Model for the Estimation of Rotor Cage and Stator Winding Temperatures of Induction Machines", International Conference on Electric Machines, ICEM, Marseille, France, 2012
  106. C. Kral, A. Haumer, M. Bogomolov, V. Lomonova, "Harmonic Wave Model of a Permanent Magnet Synchronous Machine for Modeling Partial Demagnetization under Short Circuit Conditions", International Conference on Electric Machines, ICEM, Marseille, France, 2012
  107. O. Winter, C. Kral, E. Schmidt, "Design study of magnet shapes for axial Halbach arrays using 3D Finite Element Analyses", International Conference on Electric Machines, ICEM, Marseille, France, 2012
  108. M. Ganchev, C. Kral, T. Wolbank, "Compensation of Speed Dependency in Sensorless Rotor Temperature Estimation for Permanent Magnet Synchronous Motor", International Conference on Electric Machines, ICEM, Marseille, France, 2012
  109. O. Winter, C. Kral, E. Schmidt, "Augmented temperature degrading effect of rare earth magnets arranged in segmented Halbach arrays", INTERMAG 2012, Vancouver, Canada
  110. O. Winter, S. Ucsnik, C. Kral, E. Schmidt, "Ironless In-Wheel Hub Motor Design by Using Multi-Domain Finite Element Analyses", IEEE International Symposium on Power Electronics, Electrical Drives, Automation and Motion SPEEDAM 2012
  111. M. Bogomolov, C. Kral, A. Haumer, E. Lomonova, "Modeling of Permanent Magnet Synchronous Machine with Fractional Slot Winding", Conference of the IEEE Industrial Electronics Society, IECON, 2012
  112. M. Ganchev, C. Kral, T. Wolbank, "Sensorless Rotor Temperature Estmation Technique for Permanent Magnet Synchronous Motor under Load Condition", Conference of the IEEE Industrial Electronics Society, IECON, 2012
  113. M. Ganchev, C. Kral, T. Wolbank, "Hardware and Software Implementation of Rotor Temperature Estimation Technique for Permanent Magnet Synchronous Motor", IEEE International Conference on ELectrical Systems for Aircraft, Railway and Ship Propulsion, ESARS, 2012
  114. M. Ganchev, C. Kral, T. Wolbank, "Simplified Sensorless Rotor Temperature Estimation of Interior Permanent Magnet Synchronous Motor", Symposium on Power Electronics Electrical Drives Advanced Machines Power Quality, SPEEDAM, 2012
  115. M. Ganchev, C. Kral, T. Wolbank, "Optimization of Sensorless Rotor Temperature Estimation Technique for Permanent Magnet Synchronous Motor", International Power Electronics and Motion Control Conference, EPE-PEMC, 2012
  116. O. Winter, C. Kral, E. Schmidt, "Frequency Dependent Losses In Rectangular Shaped Litz Wire Windings For Air Cored Axial Flux Permanent Magnet Machines", 15th International Conference on Electrical Machines and Systems, ICEMS, 2012
  117. Winter, O.; Kral, C. & Schmidt, E. (2013), 'Design and loss assessment of air cored axial flux permanent magnet machines', 2013 IEEE International Electric Machines Drives Conference (IEMDC), 602-606.
  118. Woehrnschimmel, R.; Kral, C.; Muellner, F.; Wild, S.; Neudorfer, H. & Dangl, F. (2013), 'A combined hysteresis and eddy-current model developed for a wide frequency range in electric machine applications', Energy Conversion Congress and Exposition (ECCE), 2013 IEEE, 3180-3185.
  119. Haumer, A. & Kral, C. (2014), "The New EDrives Library: A Modular Tool for Engineering of Electric Drives", 10th International Modelica Conference.
  120. Kral, C. & Haumer, A. (2014), "New Multi Phase Quasi Static FundamentalWave Electric Machine Models for High Performance Simulations", 10th International Modelica Conference.
  121. Kral, C.; Haumer, A. & Wöhrnschimmel, R. (2014), "Extension of the FundamentalWave Library towards Multi Phase Electric Machine Models", 10th International Modelica Conference.
  122. Philip Eberhart, Tek Shan Chung, Anton Haumer, Christian Kral, "Open Source Library for the Simulation of Wind Power Plants", Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015
  123. Anton Haumer, Christian Kral, "Enhancements of Electric Machine Models: The EMachines Library", Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23