How does atmosphere affect the dielectric strength of transformer oil?
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September 7, 2024 at 5:13 pm by 山田 英樹
The atmosphere plays a significant role in the dielectric strength of transformer mineral oil, as factors such as humidity, temperature, and surrounding air quality can influence the oil’s properties. High humidity levels can lead to moisture absorption in the oil, which significantly reduces its dielectric strength, making it less effective as an insulator. Elevated temperatures can also affect the viscosity and overall chemical stability of the oil, potentially leading to breakdown under electrical stress. Additionally, contaminants like dust and particles in the atmosphere can settle in the oil, thereby impacting its purity and further diminishing its dielectric strength. Therefore, maintaining a controlled environment around transformer mineral oil is crucial to preserving its dielectric properties and ensuring reliable transformer operation.