WORK OF REPAIRING / REPLACEMENT OF COOLING FAN , CONTROL SWITCHES AND DOOR RIBBON IN MARSHALLING BOX , MCB , OLR AND CONTACTOR OF DM BOX AND ANNUNCIATION ALARM , OTI , WTI , TPI AT RTCC PANEL OF 40 MVA TRANSFORMER-I AND HEIGHT RAISING OF 30 KV LA AT

Amount

Repairing of jammed and heavy noised fan of 40 MVA T/F-I . Firstly defective fan removed from transformer radiator body frame then shifted workshop at fan repairing place after that opening its all parts like blade, boath side bearing, shft, etc. Repalcement of its defective parts like bearing, saft, if required rewanding with same gauge copper wire ,repairing its outer cover jaali of fan, after that refitted all parts and tested found OK. Sifted to 40 MVA T/F site and refited at same place at 40 MVA T/F and connection it then given 3 phase AC Supply and seen no any noise/humming. Men ,Materials and T&P provided by contractor .

Providing and fitting of over load relay and contactor of T/F Fan rating 400V AC ,0.65 A current rating same as T/F marshaling Box and same make like SIMENCE.

Providing and fitting of Three Phase MCB rating of 400 V, 4 Amp of T/F Fan same as T/F marshaling Box and same make like SIMENCE.

Providing and fitting of Three Phase 4 wire Main MCB rating of 400 V, 25 Amp of T/F D.M Box and same make like SIMENCE.

Providing and fitting of over load relay and contactor of T/F rating 400V AC ,1.0 A current rating same as T/F D.M Box and same make like SIMENCE.

Dismanting of defective annunciator at panel than Providing and fitting of 12 window microprocessor based alarm annunciator PRADEEP make as same as fitted on RTCC panel and same rating of 40 MVA T/F AREVA make RTCC Panel and connection of related wires in panel to annunciator point.As direction by JE/AE.

Providing and fixing of electric alarm same rating as 40 MVA T/F AREVA make RTCC Panel and connection of related wires in panel to suitable point.

Providing and fixing of Digital Winding / Oil Temparature Indicator Pecimesure make in 40 MVA T/F AREVA make RTCC Panel and connection of related wires in panel to suitable point.

Providing and fixing of Digital Tap Position Indicator Pecimesure make in 40 MVA T/F AREVA make RTCC Panel and connection of related wires in panel to suitable point.

Modification of 30 KV L.A structure of 40 MVA T/F -I AREVA make , first dismntling of 30 KV LA and increase the L.A Structure hight from top to 1.5 meter extra hight with the help of same size G.I angle ,welding machine ,cutter machine,bending etc for proper clearance from T/F radiator to LV Side conductor.Reerection of L.A and re-jumpering.Men, consumable items ,T&P provided by contractor .(G.I Angle provided by UPPTCL free of cost).

V.P.Associates

Sampada Trading Company