Repair of 200 KVA Voltage stabilizer along with allied parts at LIS Katal Batal.

Repair of 200 KVA Voltage stabilizer along with allied parts at LIS Katal Batal.

Repair to 200 KVA voltage stabilizer by way of disconnecting the incoming and outgoing electrical connection from the voltage stabilizer of 200 KVA at LIS Katal Batal. Removing the old damaged thimbles by cutting along with nuts and bolts. Dismantling the top cover of the stabilizer by way of unscrewing the required nuts and bolts, taking out the leg coils assembly with the help of skilled labour using chain pulley block, taking out the coil assembly form the pump room to road side using manual labour with the help of required tools and tackles. Loading in the mechanical transport then carriage to work shop for replacement of parts. Dismantling the top electrical panel to extract the damaged bus bars, rotary switch-01 no. along with nuts & bolts. Complete rewinding of two nos. leg coil and varnishing them. Assembling the leg coil assembly in the supporting frame. Dehydrating the coils assembly by keeping in the oven for requisite time period to make it moisture free. P/F 01 no. of new manually operated rotary switch along with plate, new set of bus bars for all individual phases on input side along with terminal plate. P/F of new bus bars of appropriate rating along with required nuts and bolts after ensuring proper insulation for output side. P/F of new panel accessories of voltage stabilizer i.e LED indicators, fuses and internal wiring in the panel and voltmeters after extracting the damaged ones. The job also involves draining of contaminated T oil from the stabilizer container cleaning the container with appropriate cleaning solvent. Lowering the coils assembly in the container then refilling the T-Oil in the container of the voltage stabilizer after giving proper heat treatment and filtration to make it moisture free. Topping up the stabilizer with 50 ltrs of fresh T. oil. Fitting the top cover with gasket set by p/f new nuts and/bolts. Reassembly the top panel on the voltage stabilizer at site after testing the continuity of each phase. Giving all the incoming and outing electrical connection by way of cutting striping and dressing the burnt ends of cables and p/f of new thimbles of appropriate rating/ sizes along with required nuts and bolts and insulating them. The job also involve providing and fitting of MCCB of 200 amperes 3 pole with rupturing capacity of 50K along with requisite material after extracting the old damaged one for Unit No.-II. Complete job includes cost of material including rebate on old material, labour charges, to and fro charges, hire charges of tools and tackles required for execution of work and testing on full load at LIS Katal Batal.

Rebate on Old Parts

Amit Jyoti Power Electricals

PERFECT ELECTRICAL WORKS

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY