Research on high-frequency resonance in flexible low-frequency AC transmission systems
Flexible low frequency AC transmission system employ power electronic converters， particularly modular multilevel matrix converters （M3C）， to enable low-frequency operation. These converters demonstrate highly nonlinear dynamic characteristics during grid-connected operation， and their interaction w...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
zhejiang electric power
2025-06-01
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| Series: | Zhejiang dianli |
| Subjects: | |
| Online Access: | https://zjdl.cbpt.cnki.net/WKE3/WebPublication/paperDigest.aspx?paperID=7f0bc396-b9c1-4ff9-9f72-e2a00c3dc9c6 |
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| Summary: | Flexible low frequency AC transmission system employ power electronic converters， particularly modular multilevel matrix converters （M3C）， to enable low-frequency operation. These converters demonstrate highly nonlinear dynamic characteristics during grid-connected operation， and their interaction with AC transmission systems can potentially trigger high-frequency resonance phenomena. Based on an actual engineering case study， this paper investigates the mechanism of high-frequency resonance occurring on the low-frequency side of LFAC transmission systems. The analysis incorporates field test data and results obtained from real-time digital simulator （RTDS）， while systematically examining factors that may influence resonance characteristics. |
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| ISSN: | 1007-1881 |