2026-04-27T20:18:20Zhttps://uvadoc.uva.es/oai/request

oai:uvadoc.uva.es:10324/645622025-09-05T11:37:56Zcom_10324_1169com_10324_931com_10324_894col_10324_1363

Detection and quantification of bar breakage harmonics evolutions in inverter-fed motors through the dragon transform Fernández Cavero, Vanessa Pons Llinares, Joan Duque Pérez, Óscar Moríñigo Sotelo, Daniel Producción Científica 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. 2024-01-15T18:09:59Z 2024-01-15T18:09:59Z 2021 info:eu-repo/semantics/article ISA Transactions, vol. 109, 2021, Pages 352-367 0019-0578 https://uvadoc.uva.es/handle/10324/64562 10.1016/j.isatra.2020.10.020 ISA Transactions 109 spa https://www.sciencedirect.com/science/article/pii/S0019057820304158?via%3Dihub info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0/ Attribution-NonCommercial-NoDerivatives 4.0 Internacional SI