Conceptualisation and design of optimised control systems for small-scale wind turbines integrated into buildings

• Supervisor: Prof. Dr.-Ing. Thomas Burkhardt
• Funding: funded by the Saxon State Ministry for Housing, Construction and Urban Development (SMWK)
• Duration: 1 July 2015 – 31 March 2017

eHarvest II – Testing, optimisation and further development of a prototype cereal cutting unit with an electric drive system

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the BMEL/BLE
• Duration: July 2015 – October 2017
• Project partners: Zürn Harvesting GmbH & Co. KG; TU Dresden, IVMA Chair of Agricultural Systems Engineering
• Website: eharvest.eu

Optimisation of copper rotors for three-phase asynchronous motors with regard to energy efficiency classification and load-bearing capacity, taking technological and economic aspects into account

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the BMWi/AiF
• Duration: April 2015 – July 2017
• Project partners: Breuckmann GmbH & Co. KG; VEM motors GmbH

Calculation and simulation of the operational behaviour of claw-pole belt starter-generators

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Duration: January 2013 – October 2015
• Project partners: AUDI AG; IB Götze

eHarvest – Fully electrified drive system for cutting units

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by BMEL/BLE
• Duration: March 2012 – March 2015
• Project partners: Compact Dynamics GmbH, EWM GmbH, Gebr. Schumacher GmbH, TU Dresden, Chair of Agricultural Systems Engineering, Zürn Harvesting GmbH & Co. KG
• Website: eharvest.eu

Unlocking performance reserves in high-pole, permanent-magnet-excited synchronous machines (ERLESYN)

• Project leader: Prof. Dr.-Ing. Thomas Burkhardt
• Funding: funded by the BMBF
• Duration: 1 June 2008 – 30 November 2011
• Project partners: Heyde Windtechnik; WITTUR Electric Drives GmbH; Ziehl-Abegg AG, Air Technology Division; Institute of Electrical Engineering at TU Dresden

Wind turbines in small-scale hybrid renewable energy systems

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the Saxon State Ministry for Economic Affairs, Labour and Social Affairs (SMWK)
• Duration: 1 April 2007 – 31 December 2008

Investigations into the optimal design of a small generator

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Project partner: Siemens AG

Scientific investigations into the limits of winding technology using toothed coil windings for permanently excited synchronous machines in the medium power range from 100 kW to 800 kW using 2D FEM

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Project partner: VEM Sachsenwerk GmbH

Preliminary design, calculation and optimisation of the electromagnetic components of a 2.2 kW permanently excited BLDC motor for integration into a compressor

• Supervisor: Prof. Dr.-Ing. Norbert Michalke
• Project partner: Ingenieurbüro Götze

Physical limits to increasing the power density of electric machines – evaluation of PMSM utilisation

• Supervisor: Prof. Dr.-Ing. Norbert Michalke
• Project partner: Siemens AG

The influence of an integrated threshing drum drive on the grain separation and removal processes in the threshing unit

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the DFG
• Duration: November 2006 – May 2009
• Project partners: TU Dresden; Institute of Agricultural Systems Engineering

Development of integrated electro-hydrostatic drive systems for mobile machinery

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the DFG
• Duration: November 2005 – November 2007
• Project partners: Dresden University of Technology, Institute of Fluid Technology

Calculation and optimisation of asynchronous motors with closed rotor slots and copper cages

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Project partner: ATS-Elbtalwerk GmbH

Calculation and optimisation of specialised asynchronous machines operating at high speeds – electromagnetic calculation using 2D FEM

• Project leader: Prof. Dr.-Ing. Norbert Michalke
• Project partner: ATS-Elbtalwerk GmbH

Investigations into automotive requirement profiles and their impact on the selection and design of electric drive systems

• Supervisor: Prof. Dr.-Ing. Norbert Michalke
• Funding: funded by the Saxon Ministry of Economic Affairs, Labour and Social Affairs (SMWK)

Schillinger, T.; Zaiczek, T.; Schuhmann, Th.; Franke, M.: Design and Comparative Analysis of Discrete-Time Current Control Algorithms for Permanent Magnet Synchronous Machines. 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)

Miersch, S.; Schubert, R.; Schuhmann, Th.; Lindner, M.: Development of Polymer-Ceramic Composite Materials for the Winding Insulation of Highly Utilised and Energy-Efficient Electrical Machines. IEEE Open Journal of Industry Applications, Vol. 4, pp. 304–316, 2023

Schuffenhauer, U., Miersch, S., Schuhmann, T., Schmitz, D., Breuckmann, M., Herget, F., and Machalitza, K. (2022). Realisation of High-Speed Cast Copper Cage Induction Machines for Electric Mobility. In 2022 International Conference on Electrical Machines (ICEM), pp. 2290–2296. 10.1109/ICEM51905.2022.9910890

Schubert, R., Miersch, S., and Schuhmann, T. (2022). Polymer-ceramic winding insulations for heavily loaded electric machines (Annual Report 2021/22 Fraunhofer Institute for Ceramic Technologies and Systems IKTS)

Schillinger, T., Schuhmann, T., and Eckart, M. (2022). System Modelling and Design of a Hybrid Renewable Energy System for a Cable Network Head-End Station in a Rural Area. In the 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, pp. 1–9

Herget, F., Szilágyi, P., Machalitza, K., Schmitz, D., Breuckmann, M., Schuffenhauer, U., Miersch, S., and Schuhmann, T. (2022). Improvements in efficiency and power density of squirrel-cage induction motors with cast copper cages and high-strength electrical steel. In 14th International Conference on Electric Vehicle Drives and E-Mobility E-MOTIVE

Schubert, R., Kuhn, J., Beyreuther, M., Miersch, S., Schuhmann, T., Schuffenhauer, U., Lindner, M., Cebulski, B., and Blankenhagen, S. (2021). Development and analysis of polymer-ceramic insulation systems for the winding insulation of energy-efficient and high-efficiency electrical machines. In 2nd VDE Symposium on Polymer Insulating Materials in Electrical Engineering

Miersch, S., Schubert, R., Linder, M., Schuhmann, T., Schuffenhauer, U., Gießmann, E., Beyreuther, M., Kuhn, J., Cebulski, B., and Blankenhagen, S. (2021). Investigation of Ceramic-like Composite Systems for the Winding Insulation of a Permanent Magnet-Excited Synchronous Machine in Outer Rotor Construction for an Electric Vehicle Drive. In ETG Technical Report 164 (VDE Verlag)

Miersch, S., Schubert, R., Schuhmann, Th., Schuffenhauer, U., Gießmann, E., Lindner, M., Cebulski, B., and Blankenhagen, S. (2021). Ceramic-like composite systems for the winding insulation of electric machines. In 72nd Mining and Metallurgy Conference – Freiberg University Forum (Freiberg Colloquium on Electric Drive Technology)

Schuhmann, Th. (2021). Electrical Drive Technology 1 (Springer Study Guides for Correspondence Courses in Electrical Engineering)

Schuhmann, Th. (2021). Electrical Drive Technology 2 (Springer Study Guides for Correspondence Courses in Electrical Engineering)

Schuhmann, Th. (2021). Electrical Drive Technology 3 (Springer Study Guides for Correspondence Courses in Electrical Engineering)

Miersch, S., Schubert, R., Schuhmann, T., Schuffenhauer, U., Buddenbohm, M., Beyreuther, M., Kuhn, J., Lindner, M., Cebulski, B., and Jung, J. (2020). Ceramic-like Composite Systems for Winding Insulation of Electrical Machines. In 2020 International Conference on Electrical Machines (ICEM), pp. 1540–1546. 10.1109/ICEM49940.2020.9270743

Harnisch, P., Miersch, S., Schuffenhauer, U., Schuhmann, T., Gründer, J., Kästle, C., Rabhansl, T., Wolf, M., and Boric‐Renz, A. (2020). Optimised Manufacturing Process and Modelling of Squirrel-Cage Induction Machines with Copper Cage and Axially Segmented End Rings for High-Speed Applications. In 2020 10th International Electric Drives Production Conference (EDPC), pp. 1–8. 10.1109/EDPC51184.2020.9388213

High-Performance Cast Rotors with Zero Porosity
SZILáGYI, Péter, SCHMITZ, David, BREUCKMANN, Michael, TILDERS, Sören, MIERSCH, Sören, SCHUFFENHAUER, Uwe, SCHUHMANN, Thomas, 2019. 11th Conference on Electrical Drive Technology for Hybrid and Electric Vehicles.

Design and testing of squirrel-cage induction motors with high power density, cast copper cage and high-strength, low-loss NGO electrical steel
Schmidtz, D.; Schuffenhauer, U.; Breuckmann, M.; Kahveci, A.; Machalitza, K.; Miersch, S.; Schuhmann, Th., 2019. 11th E-MOTIVE Expert Forum on Electric Vehicle Drives, Schweinfurt.

Asymmetric pole arrangement as a production-optimised method for reducing slot torque, using the example of a permanent-magnet-excited synchronous generator for small wind turbines
HARNISCH, Philipp, ECKART, Martin, SCHUHMANN, Thomas, 2019. 70th Mining and Metallurgy Day – Freiberg University Forum (Freiberg Colloquium on Electrical Drive Technology).

Modelling of squirrel-cage induction motors with copper cage and axially segmented end rings for high-speed applications
SCHUFFENHAUER, Uwe, SCHUHMANN, Thomas, GRÜNDER, Joachim, KÄSTLE, Christoph, RABHANSL, Thomas, WOLF, Michael, 2019. 70th Mining and Metallurgy Day – Freiberg University Forum (Freiberg Colloquium on Electrical Drive Technology).

Coupled calculation of a permanent magnet-excited small wind turbine with an outer rotor design cooled via the stator tube VDE/VDI Conference – Drive Systems 2017, ETG-Fb. 154, ISBN 978-3-8007-4467-1, Karlsruhe, 23 November 2017; S. Miersch, M. Eckart, U. Schuffenhauer, T. Schuhmann, N. Michalke, T. Burkhardt

Modelling and practical investigation of the efficiency and operational behaviour of induction machines with die-cast copper rotors Symposium on Electrical Machines (SME) 2017, Naleczow, 18–21 June 2017; U. Schuffenhauer, S. Miersch, N. Michalke, T. Schuhmann, and A. Bárdos

Forced cooling to increase the efficiency of permanent-magnet-excited external-rotor machines 68th Mining and Metallurgy Day – Freiberg University Forum 2017, Freiberg, 8 June 2017; S. Miersch, U. Schuffenhauer, D. Thieme, N. Michalke, and T. Schuhmann

High-performance drive for electric vehicles – System comparison between three-phase and six-phase permanent magnet synchronous machines
Döbler, R.; Schuhmann, Th.; Inderka, R. B.; v. Malottki, S., 2016. 2016 18th European Conference on Power Electronics and Applications (EPE’16 ECCE Europe). DOI: 10.1109/EPE.2016.7695475

Impact of overmodulation methods on inverter and machine losses in voltage-fed induction motor drives
MAHLFELD, Hannes, SCHUHMANN, Thomas, DöBLER, Ralf, CEBULSKI, Bernd, 2016. 2016 XXII International Conference on Electrical Machines (ICEM). DOI: 10.1109/ICELMACH.2016.7732657

Electrical drives for mobile agricultural machinery
International Symposium on Electrical Machines (SME) 2016, Kazimierz Dolny, 20–22 June 2016;
N. Michalke, U. Schuffenhauer

60 years of scientific and technical cooperation between IME PW, TU Dresden and HTW Dresden
International Symposium on Electrical Machines (SME) 2016, Kazimierz Dolny, 20–22 June 2016;
N. Michalke, R. Bulang; W. Urbański

Minimising electromagnetic noise and vibration excitation through the optimal design of
asynchronous traction motors:‘Electric traction and auxiliary drives for the electrification and hybridisation of motor vehicles’, Würzburg, 17–18 November 2015;
T. Schuhmann, C. Schneider, and S. Paul

Calculation procedure for the operating behaviour of small wind turbines
3rd Dresden Conference ‘Energy in Future – Materials for Energy –’; Dresden; 10–11 November 2015;
M. Eckart, S. Miersch, T. Burkhardt, N. Michalke

Materials in electrical machines under the increasing requirements of energy efficiency classification
; 3rd Dresden Conference ‘Energy in Future – Materials for Energy –’; Dresden; 10–11 November 2015;
S. Miersch, M. Eckart, N. Michalke, T. Burkhardt

‘Wind turbine generator with an external rotor and internal cooling’
Patent specification DE 10 2009 026 195 B4; 1 October 2015;
T. Burkhardt, M. Eckart, M. Heyde, N. Michalke, S. Miersch

Combine harvester with electrified cutting unit
WissenD; HTW Dresden; June 2015; N. Michalke, U. Schuffenhauer

Investigation into the mechanical and electromagnetic performance of a squirrel-cage induction machine with radially laser-welded end-ring connections
5th International Electric Drives Production Conference, Nuremberg, 2015; V. Voggeser, M. Wolf, T. Schuhmann, J. Liebold

Comparison of Time-Harmonic and Transient Finite Element Analysis of a Squirrel-Cage Induction Motor for Electric Vehicles
:International Conference on Electrical Machines (ICEM), Berlin, 3–5 September 2014, pp. 1037–1043;
T. Schuhmann, B. Cebulski, and S. Paul

Calculation methods for eddy current losses using the example of a permanently excited synchronous machine inside the threshing cylinder of a combine harvester
L International Symposium on Electrical Machines; Kraków – Szczawnica; 22–25 June 2014; U. Schuffenhauer, N. Michalke

Analysis of the load behaviour of a small wind turbine and simulation of the cooling air flow
; 5th Research Day, HTW Dresden; Dresden; 4 June 2014; M. Eckart, S. Miersch, N. Michalke; T. Burkhardt

Electric drives in mobile machinery
WissenD; HTW Dresden; 2014; U. Schuffenhauer, N. Michalke

Determination of Stator End Winding Inductance in Large Induction Machines: A Comparison of Analytical, Numerical and Measurement
Methods.*Electric Power Components and Systems*, Vol. 41, No. 14, pp. 1397–1414, 2013;
T. Schuhmann, A. Conradi, C. Deeg, and K. Brandl

Electrified drive system for combine harvester cutting units
VDI-MEG Colloquium on Combine Harvesters; Hohenheim; 12–13 September 2013; S. Wöbcke, Th. Herlitzius, U. Schuffenhauer, N. Michalke, J. Seyfarth, P. Hornberger, F. Mörtl, M. Müller

Analytical calculation of the generator loads of a small wind turbine
4th Research Day, HTW Dresden; Dresden; 5 June 2013; M. Eckart, S. Miersch, N. Michalke, T. Burkhardt

‘Self-propelled harvester with an electrically driven threshing drum’
European Patent Specification EP 2 421 354 B1; 23 January 2013;
W. Aumer, G. Bernhardt, M. Lindner, N. Michalke, H. Kuss, U. Schuffenhauer

Improving Operational Performance of Active Magnetic Bearings Using Kalman Filter and State Feedback Control
IEEE Transactions on Industrial Electronics, Vol. 59, No. 2, pp. 821–829, 2012;
T. Schuhmann, W. Hofmann, and R. Werner

Exploiting Performance Reserves in High-Pole Permanent-Magnet Synchronous Machines (ERLESYN)
Final report on the funding project of the same name, project code: 17N4508, funded by the BMBF; June 2012; T. Burkhardt, M. Eckart; published by TIB Hannover

The use of numerical simulation in the thermal design of electrical machines
International ETG Congress 2011, ETG Technical Report 130; Würzburg; 8–9 November 2011; M. Eckart, S. Miersch, T. Burkhardt

Internal cooling of permanently magnet-excited external-rotor machines: the example of a
small wind turbine generatorVDI / VDE Conference on Drive Systems 2011, VDI Reports 2138; Nürtingen; 13–14 September 2011; S. Miersch, M. Eckart, N. Michalke

Calculation of heat transfer in a small-scale wind energy generator
12th Conference for Young Researchers at Central German Universities of Applied Sciences; Harz University of Applied Sciences (FH), Wernigerode; 14 April 2011; M. Eckart, S. Miersch, T. Burkhardt, N. Michalke

Cooling concept utilising phase change for direct drives in mobile work machines
VDE Congress 2010; Leipzig; 8–9 November 2010; U. Schuffenhauer, N. Michalke, W. Urbanski

Electric functional drive in a combine harvester
68th International Conference on Agricultural Technology 2010; Braunschweig; 28 October 2010; W. Aumer, M. Geißler, M. Lindner, Th. Herlitzius, U. Schuffenhauer, N. Michalke

Cooling of electric machines by multi-phase systems
XLVI International Symposium on Electrical Machines; Gliwice – Ustroń, 21–24 June 2010; U. Schuffenhauer, W. Urbanski, M. Michalke, H. Kuß

InsideOut – Application of external-rotor generators for use in small-scale wind turbines
;new energy Husum Congress 2010; 3rd BWE – Small-scale Wind Turbines Symposium; Husum; 21 March 2010; M. Eckart, T. Burkhardt, N. Michalke

Functional integration of an electric drive into a threshing drum
; Landtechnik 65; 2010; Issue 3, pp. 110–113; W. Aumer, U. Schuffenhauer, Th. Herlitzius, M. Lindner, M. Geißler, N. Michalke

Taking off with electric drives in mobile agricultural machinery – functionally integrated threshing drum
*Powerworld* 2/2010; TechTex-Verlag GmbH & Co.KG; Main; F. Fröhlich, G. Bernhardt, Th. Herlitzius, W. Aumer, M. Lindner, N. Michalke, U. Schuffenhauer, H. Kuß

Increase in rotor losses in asynchronous motors during dynamic operation due to current displacement
;Research report, HTW Dresden, 2010; W. Michalik

Integration of an Electrical Drive into a Tangential Threshing Cylinder
67th International Conference on Agricultural Engineering; Hanover; 6–7 November 2009; Th. Herlitzius, W. Aumer, M. Lindner, G. Bernhardt, H. Kuß, N. Michalke, U. Schuffenhauer

Design of permanent-magnet-excited synchronous generators with external rotors for use in small-scale wind turbines with regard to requirements and cost-effectiveness
; International ETG Congress 2009, ETG Technical Report 119; Düsseldorf; 28 October 2009; M. Eckart, N. Michalke, T. Burkhardt

Development of an efficient cooling system for permanent magnet-excited external rotor machines for use in small wind turbines
International ETG Congress 2009, ETG Technical Report 119; Düsseldorf; 28 October 2009; S. Miersch, T. Burkhardt, N. Michalke

Functional integration of sub-assemblies using the example of a reluctance machine as a gear pump
; International ETG Congress 2009, ETG Technical Report 119; Düsseldorf, 27–28 October 2009

U. Schuffenhauer, N. Michalke, H. Kuß

On the cooling of permanent-magnet-excited external-rotor machines for low-power
wind turbinesVEM Group, 8th Technical Day; Wernigerode; 30 September 2009; N. Michalke, T. Burkhardt, C. Spensberger, M. Eckart, S. Miersch

Parameter determination for three-phase asynchronous motors
Chapter in ‘Electric Drives – Control of Drive Systems’, D. Schröder, 3rd edition, 2009, Springer Verlag, pp. 523–586; W. Michalik

Design of drives for mobile machinery
VEM Group, 8th Technical Day, Wernigerode, 29–30 September 2009; N. Michalke, U. Schuffenhauer

Contribution to the development of small wind turbines at HTW Dresden
: Workshop on Small Wind Turbines organised by the Saxony Renewable Energy Industrial Network (EESA) and the Saxony Energy Agency GmbH (SAENA); Dresden; 8 May 2009; M. Eckart, N. Michalke, T. Burkhardt, C. Spensberger, S. Miersch

System Integration and Benefits of Electrical Solutions in Mobile Working Machines
ECPE Seminar; 30–31 March 2009; Munich, Germany; Th. Herlitzius, W. Aumer, M. Lindner, G. Bernhardt, H. Kuß, N. Michalke, U. Schuffenhauer