What is a tan delta test and when should it be performed on a transformer?
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Answers
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septembre 9, 2025 à 11:34 am by Sarah Davis
The tan delta test helps assess the insulation condition of a transformer. It’s usually done during commissioning or preventive maintenance. GlobeCore equipment ensures the oil is dry and degassed before testing, so the tan delta reading reflects the real condition of the insulation system.
