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| Harmonics Analyzing Method based on Moved-FFT for ACB |
| Huang Rongrong, Bai Jianshe |
| Delixi Electric Ltd, Shanghai 201812 |
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Abstract Harmonics is not only an inherent problem of power system, but also has great influence on the devices in power system. In this article, a harmonic analysis method based on the moved-FFT was offered, which was applied to the intelligent controller of air breaker circuit (ACB) to reduce the computation of the discrete Fourier transform (DFT). It was helpful for the on-line monitoring harmonics in the embedded microcontroller or microprocessor, as well as met the quickness requirement of ACB protection.
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Published: 22 December 2014
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2014, Vol. 15 
