Izvorni znanstveni članak
https://doi.org/10.7305/automatika.2014.12.624
Single Open-phase Fault Detection with Fault-Tolerant Control of an Inverter-fed Permanent Magnet Synchronous Machine
Andraž Kontarček
; Hidria d.d. Spodnja Kanomlja 23, SI-5281, Spodnja Idrija, Slovenia
Mitja Nemec
; Department of Mechatronics, Faculty of Electrical Engineering, University of Ljubljana, Tržaška c. 25, SI-1000, Ljubljana, Slovenia
Primož Bajec
; Hidria d.d. Spodnja Kanomlja 23, SI-5281, Spodnja Idrija, Slovenia
Vanja Ambrožič
; Department of Mechatronics, Faculty of Electrical Engineering, University of Ljubljana, Tržaška c. 25, SI-1000, Ljubljana, Slovenia
Sažetak
In this paper first a current predictive method for single open-phase fault detection in a three phase drive with a permanent magnet synchronous machine is presented. The proposed method is based on a predictive stator current calculation. For each sampling interval the difference between the actual stator current and its predicted value in a previous sampling interval is calculated. To identify the location of a single open-phase fault, an identification method is presented which is based on the analysis of the stator current vector angle. After the single open-phase fault is detected and identified it is desirable for the electrical machine to continue operating with a reduced number of phases. For this purpose, a modified direct torque control algorithm for the fault-tolerant control is implemented. In order to improve the performance of the drive, a pre-firing angle is additionally introduced. All proposed methods have been simulated in Matlab/Simulink and verified on an experimental model.
Ključne riječi
Permanent magnet synchronous machine; Fault-tolerant-system; Single open-phase fault; Fault-tolerant control; Pre-firing angle
Hrčak ID:
133202
URI
Datum izdavanja:
12.1.2015.
Posjeta: 2.238 *