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Annex 8

Preventive Maintenance Schedule for 400 kV Filter Capacitor

S. No.

Tasks assigned

Shut Down (SD) Or Without Shut Down (WSD)

Periodicity

a.

Physical checks, tightness, leakage of oil

SD

Yearly

b.

IR Value

SD

Yearly

c.

Leakage current measurement

SD

Yearly

S. No.	Tasks assigned	Shut Down (SD) Or Without Shut Down (WSD)	Periodicity
a.	Physical checks, tightness, leakage of oil	SD	Yearly
b.	IR Value	SD	Yearly
c.	Leakage current measurement	SD	Yearly