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Recursive DFT for Frequency Detection by lilian is a document available to read on EtoBox.
What is Recursive DFT for Frequency Detection about?
The document proposes a new method for detecting frequency in power systems based on analyzing errors in voltage phasor calculations from a recursive discrete Fourier transform algorithm when frequency deviates from the fundamental. It derives an error equation accounting for frequency deviation, applies a filter to remove oscillating errors, and recursively deduces frequency deviation from the filtered phasor. It also compensates the filtered phasor for offset errors and phase delay caused by the filter us
- Author
- lilian
- Language
- EN