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| Short Circuit Current Suppression Measures for Owned Power Plant in Paper Mill |
| Received:November 22, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.04.019 |
| Key Words:paper mill short circuit current current limiting reactor fast current limiting device |
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| Abstract:This research focused on investigating the issue of excessive short circuit current levels （up to 10 kV busbars） for owned power plant in paper mill， which exceeded the conventional circuit-breaker interrupting capacity. A comparative analysis was conducted on the operational principles of various short circuit current limiting schemes， with particular emphasis on evaluating their technical merits and practical limitations. Through systematic evaluation， the study proposed implementing a hybrid solution at the generator terminals consisting of a series-connected current limiting reactor combined with a parallel fast current limiting device. This integrated approach was demonstrated to enhance system stability and achieve reliable fault protection under extreme fault conditions while adhering to standard equipment withstand requirements. |
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