Monday, 15 September, 2025г.
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20 kVA Transformator HV insulation test and oil tests
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Old PowerConstruction transformator, with a low oil level is tested for IR readings and oil breakdown readings.
This TX had worked hard over its lifetime as the oil was dark. Overall readings were not bad at all. over 4 GigaOhms.
Oil breakdown readings over a 2.5 mm [1/10"] gap 26.3 kV, which is a very respectable reading for 50 year old oil.
Теги:
Rodalco2007 transformer transformator oil test insulation test tapchanger mineral oil oil sample powerco 20kVA megger
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