Vibration Characteristics of ± 800kv Converter Transformer under No-load Condition
International Journal of Electrical Power & Energy Systems(2024)
摘要
Vibration monitoring is an effective way to evaluate the mechanical condition of converter transformers. In this paper, the vibration characteristics of converter transformers under no-load condition are investigated by performing a no-load voltage rise test with DC lines in a ± 800kV converter station. Vibration features like vibration amplitude, odd-even harmonic ratio, recurrence rate, and determinism are employed to study the variation trend of converter transformers. It is found that these vibration characteristics show different variation patterns during the test, which can provide reference for evaluating the operation status of the converter transformer.
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关键词
Condition assessments,Converter transformer,Monitoring,No-load conditions,Vibration
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