СИНХРОНІЗАЦІЯ АВТОНОМНОГО ГЕНЕРАТОРА В МЕРЕЖІ ОБМЕЖЕНОЇ ПОТУЖНОСТІ
The article describes the synchronization issues of parallel generator in weak supply grids. The proposed synchronization system is based on the Discrete Fourier Transform method (DFT). For three-phase systems it is proposed to implement DFT for first voltage harmonic of positive sequence. The artic...
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| Date: | 2017 |
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| Main Author: | |
| Format: | Article |
| Language: | Ukrainian |
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Інститут електродинаміки Національної академії наук України
2017
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| Subjects: | |
| Online Access: | https://prc.ied.org.ua/index.php/proceedings/article/view/234 |
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| Journal Title: | Proceedings of the Institute of Electrodynamics of the National Academy of Sciences of Ukraine |
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Proceedings of the Institute of Electrodynamics of the National Academy of Sciences of Ukraine| Summary: | The article describes the synchronization issues of parallel generator in weak supply grids. The proposed synchronization system is based on the Discrete Fourier Transform method (DFT). For three-phase systems it is proposed to implement DFT for first voltage harmonic of positive sequence. The article describes the way of DFT synchronization method modernization. The essence is to add to a system the linear synchronization DFT loop of non-standard frequency. It was proven minor error of proposed modernization method. The proposed addition increases the stability of synchronization system when the phase step of frequency derivations is occurred. The article includes the modeling results of generator working in weak grid. According to these results it was found the non-linear dependence of power losses in supply grid in case of wrong synchronization. References 6, figures 3.
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