How is silicone oil quality testing performed, and what parameters are measured?
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October 5, 2024 at 2:28 am by David Wilson
Silicone oil quality testing is conducted by collecting oil samples from the transformer and analyzing them in a laboratory. Key parameters measured include dielectric breakdown voltage to assess insulating capability, moisture content using methods like Karl Fischer titration, and acidity levels indicated by the neutralization number. Dissolved gas analysis identifies gases produced by thermal or electrical faults. Viscosity, flash point, and particle count are also evaluated. These tests provide a comprehensive understanding of the oil’s condition, guiding maintenance decisions to ensure optimal transformer performance.