Overhauling, Servicing of 03 nos. of 2000KVA Transformers & Servicing of 08 nos. of HT Breakers of Satpuda Powerhouse

A-Overhauling & Servicing of 2000KVA Transformers of Satpuda

Overhauling & Servicing of 2000KVA Transformers of Satpuda Powerhouse as per scope of work. The firm will have to submit the test certificate for the overhauling work of Transformer from the NABL approved/accredited Testing agency / LAB.

Provision of Hydra Crane (capable of lifting 2MVA Transformer) for loading & unloading of transformer at railway premises

Replacements of Marshalling box with WTI & OTI meters complete set replacements

Transportation from Matunga Workshop to Vendor facility and back to Matunga Workshop

Ovening of transformer for 72 hours at 100 to 120 deg Celsius.

Conduction of tests as follows: Voltage Ratio Test, Magnetic Balance Test, Vector 6 Group Test, HV Winding Resistance Test, LV Winding Resistance Test, Insulation Resistance Test, Oil Breakdown Test. Pre Test (Before dismantling) once for each Transformer (3 nos.) and Post Test (Before Commissioning) once for each transformer (3 nos). Test Reports of above tests from NABL accredited Lab to be submitted by firm.

Gasket Replacements (RC-70 grade gaskets will be used) as per scope of work

New transformer oil with test certificate will be charged IS-335 Make: Apar Industries Power Oil

Changing of Hardware (Washer) & Galvanized nut bolts

Dismantling of transformer at Railway Premises (HV side cable box, side cable box, marshalling box connection, PRV connection, Buchholz relay connection)

B-Servicing of HT Breaker

Service charges for servicing of SF6 /HPA HT breaker and relay testing at Central Railway, Matunga Workshop

Master trip relay (Make: ABB)

TCS Relay (Make: ABB)

Electromechanical relay for DC fail (Make: ABB)

Indication lamp - Red Colour

Indication lamp - Yellow Colour

Indication lamp - Blue Colour

Indication lamp - Green Colour

Indication lamp - White Colour