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- W4289341754 abstract "The inter-turn short-circuit fault in rotor windings has a destructive impact on the wound rotor synchronous motor. It is necessary to identify the fault timely and accurately in the early stage of the fault in order to avoid serious losses. Most of the existing fault diagnosis methods are sensor detection for a single fault feature, which is difficult to ensure high diagnosis accuracy for a long time. This paper analyzes the multi-source fault characteristics of inter-turn short-circuit fault in rotor windings, and can accurately identify the fault type by relying on a variety of signals. Firstly, this paper analyzed the time domain and frequency domain characteristics of motor voltage and current performance and rotor under unbalanced magnetic tension. Then, considering the actual running state of the motor, the accurate model of the motor is established using the finite element simulation tool, and the multi-physical field coupling simulation is carried out for the fault. The multi-source fault information characteristics are analyzed from the perspectives of electromagnetism, heat and force. Compared with various information of the normal motor, the motor rotor fault can be identified quickly and accurately." @default.
- W4289341754 created "2022-08-02" @default.
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- W4289341754 date "2022-08-01" @default.
- W4289341754 modified "2023-09-23" @default.
- W4289341754 title "Characteristic analysis of multi-source fault information of inter-turn short-circuit fault in rotor windings" @default.
- W4289341754 doi "https://doi.org/10.1117/12.2640182" @default.
- W4289341754 hasPublicationYear "2022" @default.
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