Autor: |
Ming Chen, Xuandong Liu, Yuhang Shao, Gaoyi Shang, Qiaogen Zhang, Hao Tang, Libao Liu |
Jazyk: |
angličtina |
Rok vydání: |
2022 |
Předmět: |
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Zdroj: |
High Voltage, Vol 7, Iss 6, Pp 1153-1164 (2022) |
Druh dokumentu: |
article |
ISSN: |
2397-7264 |
DOI: |
10.1049/hve2.12204 |
Popis: |
Abstract Insulation breakdown of dry‐type valve‐side bushing cores under electrothermal compound stress has become a key factor limiting the safe and stable operation of the converter transformer. Based on slices of the real bushing core, it is observed for the first time that fold, peeling off, and fracture defects exist near the aluminium (Al) foil edge, accompanied by many metal spikes with a curvature radius |
Databáze: |
Directory of Open Access Journals |
Externí odkaz: |
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