How is silicone oil testing conducted to assess its condition and performance?
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October 4, 2024 at 8:00 pm by Pasquale Scarponi
Testing involves:
Sampling: Collecting oil samples from the transformer using clean procedures to avoid contamination.
Dielectric Breakdown Voltage Test: Measures the oil’s insulating capability.
Moisture Analysis: Determines water content using methods like Karl Fischer titration.
Dissolved Gas Analysis (DGA): Detects gases that indicate thermal or electrical faults.
Acidity Measurement: Assesses the level of acidic compounds formed due to oxidation.
Particle Count Analysis: Evaluates the cleanliness of the oil.
These tests help identify degradation or contamination, guiding maintenance decisions.
