Title :
Converter fault diagnosis in variable speed DC drives, by Park´s vector approach
Author :
Cardoso, A. J Marques ; Mendes, A.M.S.
Author_Institution :
Dept. de Engenharia Electrotecnica, Coimbra Univ., Portugal
Abstract :
This paper presents a noninvasive approach, based on the computer-aided monitoring of the three-phase supply current Park´s vector, for diagnosing converter faults in variable speed DC drives. Both simulation and laboratory tests results demonstrate the effectiveness of the proposed technique, for detecting either open-circuit or short-circuit faults in the converter power switches and also for identifying which is the faulty element
Keywords :
DC motor drives; computerised monitoring; fault diagnosis; machine testing; power convertors; short-circuit currents; switches; variable speed drives; Park´s vector approach; computer-aided monitoring; converter fault diagnosis; converter faults diagnosis; converter power switches; faulty element identification; open-circuit detection; short-circuit faults detection; three-phase supply current; variable speed DC drives; Circuit faults; Circuit testing; Computerized monitoring; Current supplies; Drives; Fault diagnosis; Laboratories; Power engineering computing; Switching converters; Thyristors;
Conference_Titel :
Industrial Electronics, 1997. ISIE '97., Proceedings of the IEEE International Symposium on
Conference_Location :
Guimaraes
Print_ISBN :
0-7803-3936-3
DOI :
10.1109/ISIE.1997.649000
