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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hsiung Cheng Lin Lee, V. Guo Shing Huang |
| Copyright Year | 2011 |
| Description | Author affiliation: Department of Electronic Engineering, National Chin-Yi University of Technology, Taiwan (Hsiung Cheng Lin; Guo Shing Huang) || Clayton School of Information Technology, Monash University, Australia (Lee, V.) |
| Abstract | The Discrete Fourier Transform (DFT) is still a widely-used tool for analyzing and measuring both stationary and transient signals in power system harmonics. However, the misapplications of DFT can lead to incorrect results caused by some problems such as aliasing effect, spectral leakage and picket-fence effect. A strategy of Recursive Group-harmonic Power Minimizing (RGPM) algorithm is developed for system-wide harmonic/inter-harmonic evaluation in power systems. The proposed algorithm can restore the dispersing spectral leakage energy caused by the DFT, and regain its harmonic/inter-harmonic magnitude and respective frequency. Every iteration loop for harmonic/interharmonic evaluation can guarantee to be convergent using the proposed Group-Harmonic Bin Power (GBP) algorithm. Consequently, not only high-precision in integer harmonic measurement can be retained, but also the inter-harmonics can be identified accurately, particularly under system frequency drift. The numerical example is presented to verify the proposed algorithm in term of robust, fast and precise performance. |
| Starting Page | 1306 |
| Ending Page | 1311 |
| File Size | 218444 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781612849690 |
| ISSN | 1553572X |
| e-ISBN | 9781612849720 |
| DOI | 10.1109/IECON.2011.6119497 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-11-07 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Harmonic analysis Discrete Fourier transforms Power harmonic filters Algorithm design and analysis Frequency measurement Educational institutions DFT Harmonics Inter-harmonics Group-harmonics |
| Content Type | Text |
| Resource Type | Article |
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