Intelligent soft starter
Project goal
Development and industrialization of an advanced starting method for asynchronous motors on the soft starter.
Thyristor-based three-phase power controllers, also known as soft starters, belong to the group of hybrid switching devices and have developed over time into an important component for the mains starting of asynchronous machines. Through their use, torque peaks during the starting process and high starting currents can be reduced cost-effectively. The principles of the control methods have hardly changed in their basic design over the past decades. However, they have been extended to include additional functions such as torque-limited starting or current limitation.
However, this extension of the classic system scope comes up against limits caused by the control method. Here, new methods can provide improved behavior, which will be developed, investigated, implemented, tested and evaluated as part of the work.
The research project is carried out at the OTH Amberg-Weiden in the context of a cooperative doctorate with the TU Darmstadt. The client and industrial partner is Siemens AG.
Project duration
April 2019 to September 2022 (42 months)
Publications and Invention Disclosures
09/2022: Predictive Braking Algorithm for Soft Starter Driven Induction Motors, European Conference on Power Electronics and Applications (EPE), Hannover, Deutschland
03/2022: Prüfstand zur flexiblen Simulation rotierender mechanischer Lasten, Research Report 2022 OTH Amberg-Weiden
12/2021: Predictive Firing Algorithm for Soft Starter Driven Induction Motors, IEEE Transactions on Industrial Electronics (Early Access), DOI
10/2021: Braking Induction Motors Using Soft Starter Torque and Flux Control Algorithm, Annual Conference of the IEEE Industrial Electronics Society (IECON), Online, DOI
09/2021: Industrialized Flux-Oriented Start-up Algorithm for Soft Starter Driven Induction Motors, European Conference on Power Electronics and Applications (EPE), Online
05/2021: Zusatzbremsverfahren für eine Asynchronmaschine am Sanftstarter, in process
10/2020: Novel Predictive Start-Up Algorithm for Soft Starter Driven Induction Motors, Annual Conference of the IEEE Industrial Electronics Society (IECON), Online, DOI
09/2020: Verfahren zum Betreiben eines Drehstrommotors, in process
04/2020: Verfahren zum Betreiben eines Asynchronmotors, in process
PhD Thesis
Hauke Nannen: Rotorflussorientierte Ansteuerverfahren für Asynchronmotoren am Drehstromsteller, 05/2023, DOI
Former project staff
Dr.-Ing. Hauke Nannen
