Double Dead-Time Signal Injection Strategy for Stator Resistance Estimation of Induction Machines

Poza, Javier; Garramiola, Fernando; Rivera, Christian A.; Iturbe, Ion

View/Open

Double Dead-Time Signal Injection Strategy for Stator Resistance Estimation of Induction Machines.pdf (1.940Mb)

Full record

Impact

xmlui.dri2xhtml.METS-1.0.item-share

Save the reference

Title

Double Dead-Time Signal Injection Strategy for Stator Resistance Estimation of Induction Machines

Author

Poza, Javier

Garramiola, Fernando

Rivera, Christian A. Mondragon Unibertsitatea

Iturbe, Ion

Author (from another institution)

Lazcano, Urtzi

Research Group

Accionamientos aplicados a la tracción y a la generación de energía eléctrica

xmlui.dri2xhtml.METS-1.0.item-contributorOtherinstitution

Cegasa Energia S.L.U.

Version

http://purl.org/coar/version/c_970fb48d4fbd8a85

Rights

Access

http://purl.org/coar/access_right/c_abf2

URI

https://hdl.handle.net/20.500.11984/5814

Publisher’s version

https://doi.org/10.3390/app12178812

Published at

Applied Sciences 12(17). 1 September, 2022

Publisher

MDPI

Keywords

induction motor
signal injection
stator resistance estimation
temperature estimation ... [+]

induction motor
signal injection
stator resistance estimation
temperature estimation
thermal protection [-]

Abstract

A sensorless online temperature estimator is presented in this paper, which estimates the temperature using a novel signal injection strategy. This allows to eliminate the temperature sensors in the machine, as well as their faults, increasing the system reliability. A double dead-time DC signal is injected in the machine, adding a controlled offset in the control drive through the inverter. The proposed strategy eliminates the effect of the dead-time in the injected signal, which is an important drawback in DC injection strategies for resistance estimation. Furthermore, additional hardware is not needed. The strategy has been implemented in an inverter-fed railway traction induction machine. The proposed algorithm has been validated in a real test-bench. [-]