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Microgrid harmonic and interharmonic analysis algorithm based on cubic spline interpolation signal reconstruction

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3 Author(s)
Jidong Wang ; Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, 300072, China ; Fan Yang ; Xuhao Du

For the problems of fundamental frequency changes and the presence of harmonic and interharmonic in microgrid, which bring difficulties to the harmonic analysis of the microgrid, this paper presents a new harmonic and interharmonic analysis method based on cubic spline interpolation algorithm to reconstruct the signal. The simulation results show that the new harmonic and interharmonic analysis method in this paper has higher accuracy of analysis than the traditional double interpolation algorithm and Newton interpolation reconstruction algorithm. So it has a good prospect in the actual project.

Published in:

IEEE PES Innovative Smart Grid Technologies

Date of Conference:

21-24 May 2012