In lines of my academic research l should pick out harmonics and DC components
that characterise transient process. I created a model of the simplest power grid
consisting of two infinite buses woring together. Also, added AB-to-ground fault.
After simulation FFT provided me with quite interesting results. I assume that
DC component represents aperiodic component of short-circuit current. However, after
plotting DC components on Graph I got curves that I can hardly describe as aperiodic
components.
Could you clarify why I got such results? Maybe there is some mistakes in my reasoning.
I'll upload all necessary files if needed.
Sincerely yours,
Anna.
P.S. In another model I got some oscillations(!) of DC component.
transient, fft, dc components, aperiodic component
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Mar 08, 2018 - 07:38 PM
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