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Demystifying the Fourier Transform: Unlocking Power Quality Insights Through Frequency Analysis
This white paper provides an intuitive explanation of the Fourier Transform and its variants, including the Fourier Series, Discrete Time Fourier Transform (DTFT), Discrete Fourier Transform (DFT), and Fast Fourier Transform (FFT). It clarifies how these mathematical tools convert time-domain signals into the frequency domain, enabling effective harmonic analysis crucial for power quality investigations. The paper emphasizes the computational advantages of the FFT and its practical application in real-time power quality monitoring.
Key topics include:
- The Fourier Transform
- Fourier Series
- Discrete Time Fourier Transform
- Discrete Fourier Transform
- Fast Fourier Transform
Why utilities should care:
Understanding the Fourier Transform and its efficient computation via FFT enables accurate, real-time harmonic analysis, essential for diagnosing power quality issues, ensuring regulatory compliance, and optimizing grid reliability and equipment performance.
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