What is the typical colour of transformer oil?
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September 12, 2024 at 6:27 pm by Kevin White
The typical colour of transformer oil ranges from pale yellow to light amber. Ideally, high-quality transformer oil should be clear and free of any contaminants that could affect its performance. Over time and with exposure to heat and moisture, the colour may darken, indicating possible degradation or contamination, which necessitates regular testing and maintenance to ensure the oil remains effective in providing insulation and cooling. Proper assessment of transformer oil colour is crucial for monitoring the health of the transformer and ensuring reliable operation.