RT info:eu-repo/semantics/article
T1 Detection and quantification of bar breakage harmonics evolutions in inverter-fed motors through the dragon transform
A1 Fernández Cavero, Vanessa
A1 Pons Llinares, Joan
A1 Duque Pérez, Óscar
A1 Moríñigo Sotelo, Daniel
K1 time-frequency analysis
K1 transient analysis
K1 fault diagnosis
K1 broken rotor bar
K1 induction motors
K1 inverters
AB The problem of detecting and quantifying bar breakage harmonics in inverter-fed induction motors has not been solved by the time–frequency transforms present in the technical literature. The paper proposes a new transform, called dragon transform, to solve this problem. The dragon atoms are defined with shapes perfectly adapted to the harmonic trajectories in the time–frequency plane, no matter how complex they are, enabling the precise tracing of the harmonics to be detected. A quantification method is also proposed, which obtains for the first time in the technical literature, the time evolutions of the harmonic amplitudes during a complex transient such as the start-up and the steady state of an inverter-fed motor. The transform performance is validated testing the induction motor under different load levels.
SN 0019-0578
YR 2021
FD 2021-02
LK https://uvadoc.uva.es/handle/10324/64562
UL https://uvadoc.uva.es/handle/10324/64562
LA spa
NO ISA Transactions, vol. 109, 2021, Pages 352-367
NO Producción Científica
DS UVaDOC
RD 06-ago-2024