A flying start method for sensorless induction machine-based electric drives

• Autorzy: Wachowiak Daniel

Identyfikatory

DOI

10.24425/bpasts.2025.154206

• Języki publikacji: EN

Abstrakty

EN

This paper presents an analysis of a proposed flying start method for sensorless electric drives based on an induction machine. The method introduces two stages. In the first stage, the rotor speed is estimated using the step response of the machine, which enables coarse estimation of the speed and direction of rotation, helping to reduce the initial slip. The second stage introduces an intermediate control system to facilitate the machine restart and assist the speed observer in converging. Simulation and experimental studies demonstrate that the method successfully restarts the machine with an unknown initial rotor speed without exceeding the nominal current. The auxiliary control system fully excites a 5.5 kW machine within 300 ms during the flying start, after which it is possible to transition to the target control system.

Słowa kluczowe

EN

induction machine; flying start; speed observer; sensorless drive; DC injection

PL

silnik indukcyjny; lotny start; obserwator prędkości; napęd bezczujnikowy

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2025
• Tom: Vol. 73, nr 4
• Strony: art. no. e154206
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Wachowiak Daniel

• Department of Electric Drives and Energy Conversion, Faculty of Electrical and Control Engineering and EkoTech Center, Gdansk University of Technology, ul. Narutowicza 11/12, 80-233 Gdańsk, Poland

• https://orcid.org/0000-0002-9961-9799

Bibliografia

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Uwagi

Financial support of these studies from the Gdańsk University of Technology by the DEC-4/1/2022/IDUB/I3b/Ag grant under the ARGENTUM – “Excellence Initiative – Research University” program is gratefully acknowledged.