Major repair / servicing/ replacement of components of 100 KVA AVR of tube well No. 25-A (Jogi gate) feeding to CPS Samadhian

Amount

Major repair / replacement of components of 100 KVA AVR of tube well No. 25-A (Jogi gate) feeding to CPS Samadhian by way of disconnecting of incoming as well as outgoing electrical connections and making of bypass arrangement for smooth functioning of the tube well. Then opening of lid of the AVR and extracting of voltage stabilizer assembly out of container with the help of chain pulley and other tools and tackles. Draining out of all the transformer oil in the container. Dismantling of all the damages parts such as dimmers, carbon brushes and electronic circuit plates etc. The job includes reconditioning 03 Nos. dimmers by way of removing carbon and turning with suitable chemical and then turning and polishing properly. Checking strengthening and proper insulation in between the coils with the help of araldite and compound. This job includes providing and fitting of 02 Nos. electronic circuits plates, 15 nos. of carbon brushes to all dimmers. Providing and fitting of carbon brush assemblies – 02 Nos. in place of damaged ones. Replacement of damaged LED indicating lamp – 1 set, push button switches – 1 set etc. Then repair to the internal control wiring. Assembling of AVR assembly with the container with new fasteners. Then de-moisturizing of old drained out dielectric oil, heating to the optimum temperature, cleaning and servicing of the transformer oil and filling the oil in the voltage regulator container. Topping up of transformer oil upto to the required level. Remaking of the entire all the electrical connections and testing the AVR on full load conditions. The job includes cost of material, labour and carriage charges. Complete job.

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY