Transformer
maintenance is done at regular intervals for trouble free operation and to
prevent breakdown of transformer from service.
Below
are the daily check points for transformer maintenance.
1) Check oil level of main conservator and OLTC tank. It
should be as per specified level.
2) Check for oil leakage from any point of transformer. If
leakage is observed, suitable action to be taken for attending oil leakage.
3) Check oil level in bushings. It should be as per specified
level.
4) Check oil and winding temperatures whether they are normal
or not.
5) Check loading amperes of transformer against rated figures
in display of relay or in control room monitor display.
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