Title :
A General Diagnostic Method for Doubly Fed Induction Machine Drives Based on Field Oriented Control
Author :
Casadei, D. ; Filippetti, F. ; Rossi, C. ; Stefani, A. ; Capolino, G.A. ; Yazidi, A.
Author_Institution :
Bologna Univ., Bologna
Abstract :
This paper presents a diagnostic technique for the detection of incipient electrical faults in a doubly fed induction machine (DFIM) used for variable speed generation. In this application the stator windings are directly connected to the grid, whereas a converter, which controls the rotor currents by means of a field oriented control (FOC) scheme, supplies the rotor. The aim of this paper is to introduce a new diagnostic technique based on the analysis of the rotor inverter output voltages. In particular it will be shown that the frequency analysis of these signals leads to an effective diagnostic procedure. The presented system is suitable to be easily plugged in any existing FOC-DFIM drive system.
Keywords :
asynchronous machines; fault diagnosis; machine vector control; rotors; stators; variable speed drives; diagnostic technique; doubly fed induction machine drive; fault detection; field oriented control scheme; frequency analysis; rotor inverter output voltage; stator winding; variable speed generation; Electric variables control; Electrical fault detection; Frequency; Induction generators; Induction machines; Inverters; Rotors; Signal analysis; Stator windings; Voltage; AC machines; Doubly Fed Induction Machine (DFIM); Fault diagnosis; variable speed generation;
Conference_Titel :
Diagnostics for Electric Machines, Power Electronics and Drives, 2007. SDEMPED 2007. IEEE International Symposium on
Conference_Location :
Cracow
Print_ISBN :
978-1-4244-1061-3
Electronic_ISBN :
978-1-4244-1062-0
DOI :
10.1109/DEMPED.2007.4393122
