Current Volume 8
A NEW FAST FOURIER TRANSFORM ALGORITHM FOR FAULT DETECTION ON THE POWER SYSTEM TRANSMISSION LINE
Abstract
Fourier Transform is one of the mathematical technique use in power system fault analysis. It is employed in this work as a fundamental mathematical derivation to obtain its discrete and fast equivalent algorithm that are used in this research. A flowchart diagram is developed which shows the developmental stages of the algorithms. The DFT and FFT detection algorithms are developed based on their individual applications of Fourier Transform (FT) discretization of phase values of voltage and current to obtain the discrete versions (VP and IP) as the required data for the research. The discretization is followed by DFT and FFT applications to the output result (VP and IP) of the discretization to obtain the time ? domain and frequency ? domain components.Computer approach shows that DFT algorithm gave a higher voltage magnitude of 4.2pu and lowers three phase fault voltage magnitude of 2.8pu. It also gave an equal current and impedance magnitudes for pre-fault and three phase fault conditions. However, when FFT algorithm is applied, it gave equal magnitudes of voltages, currents and impedance for pre-fault and three phase fault conditions
Keywords
DFT, FFT, Algorithm, Voltage, Current, Impedance, Transmission Line, Faults, Frequency, Matlab, Simulink
Citations
IRE Journals:
OGBOH V. C. , EZECHUKWU O. A. , ANIONOVO U. E.
"A NEW FAST FOURIER TRANSFORM ALGORITHM FOR FAULT DETECTION ON THE POWER SYSTEM TRANSMISSION LINE" Iconic Research And Engineering Journals Volume 3 Issue 3 2019 Page 131-141
IEEE:
OGBOH V. C. , EZECHUKWU O. A. , ANIONOVO U. E.
"A NEW FAST FOURIER TRANSFORM ALGORITHM FOR FAULT DETECTION ON THE POWER SYSTEM TRANSMISSION LINE" Iconic Research And Engineering Journals, 3(3)
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