A method based on permutation entropy for instantaneous voltage disturbances signal de-noising and location
Yuhui Zhang, Jiaming Wu & Yu Gong
Northeast Electrical University, Jilin City, Jilin province, China
ABSTRACT: A new method was proposed based on permutation entropy toward detection to the instantaneous voltage disturbances signal. At first, it used the CEEMD to decompose the signals to get the Intrinsic Mode Function (IMF) components, and then figured out the permutation entropy of each IMF component to test the randomness to estimate whether the IMF component is an abnormal signal. Afterwards, refactoring the normal IMF components to get the de-noised signals of the instantaneous voltage disturbances, it can be preferable to persist ...
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