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Impact of cross-saturation in sensorless control of transverse-laminated synchronous reluctance motors

Synchronous reluctance (SyR) motors are well suited to a zero-speed sensorless control, because of their inherently salient behavior. However, the cross-saturation effect can lead to large errors on the position estimate, which is based on the differential anisotropy. These errors are quantified in...

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Published in:IEEE transactions on industrial electronics (1982) 2006-04, Vol.53 (2), p.429-439
Main Authors: Guglielmi, P., Pastorelli, M., Vagati, A.
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Language:English
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container_title IEEE transactions on industrial electronics (1982)
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creator Guglielmi, P.
Pastorelli, M.
Vagati, A.
description Synchronous reluctance (SyR) motors are well suited to a zero-speed sensorless control, because of their inherently salient behavior. However, the cross-saturation effect can lead to large errors on the position estimate, which is based on the differential anisotropy. These errors are quantified in the paper, as a function of the working point. The so-calculated errors are then found in good accordance with the purposely obtained experimental measurements. The impact of the amplitude of the carrier voltage is then pointed out, leading to a mixed (carrier injection plus electromotive force estimation) control scheme. Last, a scheme of this type is used, with a commercial transverse-laminated SyR motor. The robustness against cross-saturation is shown, in practice, and the obtained drive performance is pointed out proving to be effective for a general-purpose application.
doi_str_mv 10.1109/TIE.2006.870716
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ispartof IEEE transactions on industrial electronics (1982), 2006-04, Vol.53 (2), p.429-439
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language eng
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subjects Costs
Cross-saturation effect
Electric potential
Error analysis
Errors
Force control
Force sensors
Induction motors
Motors
Permanent magnet motors
Position control
Reluctance
Reluctance motors
Robustness
Rotors
sensorless ac drives
Sensorless control
Synchronous
Synchronous motors
synchronous reluctance (SyR) motor
Voltage
title Impact of cross-saturation in sensorless control of transverse-laminated synchronous reluctance motors
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