TTPS ES Circle EM II Annual Maintenance of LT SWGR Buses Modules Breakers electronic controller panels auxiliary control panels power transformer over hauling of LT motors and Reconditioning of Transformer oil in 20 Nos of HVR transformers in ESP

O/H of 415V LT panel: Releasing the top covers and side covers of the bus chamber checking the IR value and releasing out all the modules. Cleaning the main (Horizontal) bus bars the Vertical busbars and its support insulators and checking the tightness of busbar joints, cleaning entire area and checking the tightness of outgoing cables. Re-fixing the top covers and side covers of the bus chambers, checking the IR value and satisfactory commissioning

Removal of LT Breakers from its chamber, cleaning the breaker, removing old grease, tightness checking grease lubricating, Applying acetone to power terminals, Meggering checking the closing and tripping operation and put back the breaker again the original

Annual maintenance of LT modules Removal of modules, external cleaning and tightness checking of terminals, replacement of worn out parts, applying petroleum jelly to finger contacts, greasing of modules and Meggering. a) SE-I Type Modules

b) SE-II Type Modules

Consumables such as gada cloth, banian waste, petrolium jelly self thread bus bar boit and cleaning agent WD.40

Removal of top cover, hylam separators, cleaning and tightness checking of horizontal and vertical bus (front and rear) including in vertical bus in switch gear panels. a)Electronic control panel (20) b)Auxiliary control panel (4)

Loading of oil filtering machine into vehicle and bring it to "O" m of ESP and lifting the machine to the top floor of ESP for oil filtering works and set right the machines without shake and return back to the machine to original place after completion of oil filtering works.

Connecting the inlet and outlet hoses to oil filtering machine and extending power supply to the oil filtering machine, filtering the oil fill the breakdown values of the oil improved to the required leve.Replacing the valve and gasket if necessary, all ending leakages of oil tightening of bolts and nuts checking the earth connection attending of all rectification works if any related to rectifier transformer, transporting of oil and other materials from store to work spot and re transport to devolution of dirty oil and waste materials to store (ESP transformer).

Charges for complete overhauling of LT motors up to 1.1 KW (0.5HP) including cost of consumable.

Charges for painting two coats of synthetic enamel paint including the charges for scrapping, cleaning and cost of consumables for 1 No, Service Transformer in Unit III.ESP.III