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The fault diagnosis for large oil-immersed power transformer is generally carried out through preventive test data. However, the preventive test data must be obtained until power-off time, and the amounts and accuracy of the field data is limited. When a fault occurs in the running time, it always accompanies by the variations of the appearance such as color, sound, temperature and oil level, etc...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.