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- W2387389536 abstract "Aiming at the problem of spectrum leak and picket fence effect caused by the nonsynchronous sampling and non-integer-period truncation when the traditional harmonic analysis method based on FFT is used to measure dielectric loss factor(tanδ) of power capacitor,according to the Kaiser window function's characteristic that the attenuation proportion between main lobe and side lobe can be chosen freely,the modified harmonic analysis method based on Kaiser window phase correction is used to measure tanδ of power capacitor.In three conditions of grid frequency fluctuation,the true value of tanδ change,and the white noise interference,the measurement errors of this algorithm and the other interpolation algorithms based on Hanning and Blackman windows are simulated and analyzed,and the results are proved through experiments.The results show that the algorithm can more effectively overcome the influence of fundamental wave frequency fluctuation and white noise than the Hanning window and Blackman window interpolation algorithms on the electric power capacitor tanδ measurement.The effect of restraining frequency spectrum leakage of the modified harmonic analysis method based on Kaiser Window is good,the method has high precision,and can meet the requirements of tan δ online detection of power capacitor." @default.
- W2387389536 created "2016-06-24" @default.
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- W2387389536 date "2012-01-01" @default.
- W2387389536 modified "2023-09-28" @default.
- W2387389536 title "Modified Harmonic Analysis Method of Kaiser Window to Measure Dielectric Loss Factor of Power Capacitor" @default.
- W2387389536 hasPublicationYear "2012" @default.
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