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- W2754366893 abstract "Aiming at the problem that the mechanical fault information of the transmission system of the wind turbine is weak in the stator voltage and current signals, and it is difficult to identify and extract, a new method of electrical signal preprocessing-instantaneous power of demodulation method has been proposed. And use the DSP to achieve the portable data acquisition and diagnosis system. By using the characteristic of mechanical fault information which is used in the same phase modulation of voltage and current signals, the voltage and current signals are proposed to do Hilbert transform to obtain modulation fault signal and then multiply the two modulation components directly to obtain this method, and the phase detection link in the calculation of the instantaneous signal power is avoided. A simulation and experimental study on the fault of wind turbine planet gear indicate that the methods can effectively suppress the high frequency interference part of the original signal, highlighting the fault characteristic frequency. By using DSP signal processor, the signal can be collected in real time, and the signal analysis and processing can be done quickly, this is an effective and practical method of electrical signal processing and diagnosis." @default.
- W2754366893 created "2017-09-25" @default.
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- W2754366893 date "2017-07-01" @default.
- W2754366893 modified "2023-09-22" @default.
- W2754366893 title "Fault diagnosis of wind turbine planet gear based on DSP and method of instantaneous demodulation power" @default.
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- W2754366893 doi "https://doi.org/10.23919/chicc.2017.8028493" @default.
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