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SRI ® AMC (Annual Maintenance Contract)


We undertake Annual Maintenance contract for maintenance of SRI® Make as well as other makes oftransformers as well as Unitised/Packaged Sub-stations. Periodic maintenance is required for trouble freeoperations of the product and uninterrupted supply of power.Quarterly or Bi-annual visits are planned by our service engineers depending on the services availed by thecustomers. Below are some of the parameters checked and serviced by our service team.

Sr. No. Parameters for Oil Filled Transformers Parameters for Dry Type Transformers
1 Checking of I.R. Value Checking of I.R. Value
2 Checking of Magnetic Balance Checking of Magnetic Balance
3 Inspection of HV & LV Bushings and Metal parts Inspection of HV & LV Bushings and Metal parts
4 Checking the earthing connection of the equipment, Door gate etc Checking the earthing connection of the equipment, Door gate etc
5 Dress – up HT / Control cable and crimp lugs. Dress – up HT / Control cable and crimp lugs.
6 Check for winding temperature & auto trip at specific value Check for winding temperature & auto trip at specific value
7 Oil Level Check and Top-Up Cleaning with hand blower & brushes / dry cloth.
8 Oil Filtration for improving B.D.V & I.R. Values Removing dust from windings and louvers with a industrial blower
9 Check for all safety alarms, enunciator lamps & fans Check for all safety alarms, enunciator lamps & fans
10 Check protection relay setting and also check tripping (If any). Check protection relay setting and also check tripping (If any).
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