Sensorless Control in Low-speed Region for Switched Reluctance Motor

Inductance-based sensorless control method for a switched reluctance motor at low speeds is presented. In this method, to determine the commutation timing, the interval from the value of the excited phase flux linkage at the commutation point to zero and the variation of the unexcited phase inductan...

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Main Authors: Maita, Yuji, Miki, Ichiro
Format: Conference Proceeding
Language:English
Subjects:
Commutation
Couplings
Estimation
Inductance
Low speed
phase inductance
Rotors
Sensorless control
switched reluctance motor
Switched reluctance motors
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Miki, Ichiro
description Inductance-based sensorless control method for a switched reluctance motor at low speeds is presented. In this method, to determine the commutation timing, the interval from the value of the excited phase flux linkage at the commutation point to zero and the variation of the unexcited phase inductance are used. The instantaneous voltage pulse application gives the prior-excited phase inductance. Furthermore, the interval for determining commutation is extended because the commutation could fail due to position errors at low speeds. Experimental results are shown to verify the validity of proposed method.
doi_str_mv 10.23919/ICEMS50442.2020.9291078
format conference_proceeding
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source IEEE Xplore All Conference Series
subjects Commutation
Couplings
Estimation
Inductance
Low speed
phase inductance
Rotors
Sensorless control
switched reluctance motor
Switched reluctance motors
title Sensorless Control in Low-speed Region for Switched Reluctance Motor
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