Repairing of various capacity of Transformer at different pumping stations of Manjakote section of Rajouri Sub Division

Amount

Improvement /Strengthening of 250 KVA Electric Sub Station with replacement of warn out cables at pumping station Dassal improvement. The job involves cutting the HT supply of 250 KVA Electric transformer. Dismantling HT/LT Connections/ lifting up the damages transformer from the installed position with the help og manual labour and stocking. It at suitable place.Then shifting it from site to work shop by way of loading in the truck with the help of manual labour there on dimmentaling /disconnection the connection of HT bush Set and ALTI bush rod and taking out simultaneously , Scraching the old and damaged cores sheets and other internal connection by using special tool and teckles , extracting out core of transformer using gas cutter there by dismentaling eac limp of aluminum wound HT coiles ,extracting Ht coils form core and its damaged insulation and raining out all transformer oil from its chamber serviceing ,cleaning and flushing the oil tank by using chemical to clean all carbon deposits and plugging of leakage. Providing and fitting of new Ht leg coils ,5 Nos. And LT leg coils ,3 Nos. In place of damaged HT and LT coils fabricated of Enameled aluminum wire of required gauge and also providing and fitting of HT & LT Metal parts silicates breather set of gas kit,oil level Gauge Lt Terminal plate, sundry items and insulations. In certain of Ht coils /Lt Coils and then making the internal connections of coils to make star connection on LT Side and Delta connection to Ht Side by way of copper gas welding extra. Placing the core in the oven for removal any type of moisture and for getting major value. Complete assembling of transformer ,topping up of new transformer, oil 120 ltr approximately. And then putting the transformer, on no load till required major valve is attained. The job also involve laying of 185mm sq in x3.5 core aluminum core as per requirement of disconnecting and removeing of old burnts out cable. Cutting and peeling the cable ends ,providing and fitting of aluminium thimbles to the cable ends with the help crinping to ,insulating the thimbles and connecting it between HT transformer to LT fuse link set and from fuse link set to LT pole and testing on load.

Repairs to 63 KVA HT transformer installed at P/Stn Naghoon Base by way of complete dismantling of transformer. Draining out transformer oil from the oil tank, servicing cleaning and flushing of oil tank by using chemicals to clean all the carbon deposits. Dismantling/extraction of all the damaged coils, Providing and fitting of new HV coils 28Kgs.,LV coils 18 Kgs., Assembling of the transformer after providing and fitting of LV, HV bushesand metal parts, set of gaskets, sundry items and insulation etc., providing and filling of fresh transformer oil 70 ltrs, then putting the transformer on heat till required megger valve is obtained and installation, testing and commissioning it on no load followed by on full load at site.Complete job including cost of material and labour charges and rebate on old material.

Repairs to 100 KVA HT transformer installed at P/Stn Dabrote by way of complete dismantling of transformer. Draining out transformer oil from the oil tank, servicing cleaning and flushing of oil tank by using chemicals to clean all the carbon deposits. Dismantling/extraction of all the damaged coils, Providing and fitting of new HV coils 38Kgs.,LV coils 28 Kgs., Assembling of the transformer after providing and fitting of LV, HV bushesand metal parts, set of gaskets, sundry items and insulation etc., providing and filling of fresh transformer oil 90 ltrs, then putting the transformer on heat till required megger valve is obtained and installation, testing and commissioning it on no load followed by on full load at site.Complete job including cost of material and labour charges and rebate on old material.

Improvement /Strengthening of 100 KVA Electric Sub Station with replacement of warn out cables at pumping station Thandikassi Stage ist . The job involves cutting the HT supply of 100 KVA Electric transformer. Dismantling HT/LT Connections/ lifting up the damages transformer from the installed position with the help og manual labour and stocking. It at suitable place.Then shifting it from site to work shop by way of loading in the truck with the help of manual labour there on dimmentaling /disconnection the connection of HT bush Set and ALTI bush rod and taking out simultaneously , Scraching the old and damaged cores sheets and other internal connection by using special tool and teckles , extracting out core of transformer using gas cutter there by dismentaling eac limp of aluminum wound HT coiles ,extracting Ht coils form core and its damaged insulation and raining out all transformer oil from its chamber serviceing ,cleaning and flushing the oil tank by using chemical to clean all carbon deposits and plugging of leakage. Providing and fitting of new Ht leg coils ,5 Nos. And LT leg coils ,3 Nos. In place of damaged HT and LT coils fabricated of Enameled aluminum wire of required gauge and also providing and fitting of HT & LT Metal parts silicates breather set of gas kit,oil level Gauge Lt Terminal plate, sundry items and insulations. In certain of Ht coils /Lt Coils and then making the internal connections of coils to make star connection on LT Side and Delta connection to Ht Side by way of copper gas welding extra. Placing the core in the oven for removal any type of moisture and for getting major value. Complete assembling of transformer ,topping up of new transformer, oil 120 ltr approximately. And then putting the transformer, on no load till required major valve is attained. The job also involve laying of 185mm sq in x3.5 core aluminum core as per requirement of disconnecting and removeing of old burnts out cable. Cutting and peeling the cable ends ,providing and fitting of aluminium thimbles to the cable ends with the help crinping to ,insulating the thimbles and connecting it between HT transformer to LT fuse link set and from fuse link set to LT pole and testing on load.

Vaibhav Engineers and Technocrates

R M ENTERPRISES