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Tender For tender for replacement of winding temperature indicator and oil temperature indicator three sets and nine siemens make contactors in the buchholz relay circuit of three generating unit transformers, along with complete repair and restoration of the p
Tender For supply of relaycover for woama make q-118 relay with wedging system end off wedging screw rivete d along with gasket . material grade transparent acrylic as per drg. no. jhs/rs/03/sk-523, ref. 1 to 5. [ wa rranty period: 30 months after the date of delivery ]
Tender For annual repair and maintenance of sub station : : - replacement of 1 kg silica gel breather metal body type , replacement of transformer oil 120 ltr , labor charges only for indoor 400 kva transformer and oltc stream line high vacuum oil filtration and dehydration of site off load 3 circulation 700 plus 210 ltr i.e 910 ltr x 2 i.e1820 ltr , breakdown voltage test transformer and oltc before and after test 4x2 i.e 8 nos , acidity test transformer and oltc before and after test 4x2 i.e 8 nos , testing of buchholz air relay testing 2 transformers , olts servicing drainage of old oil 210 ltrs , moving , fixing contact alignment , rolling contact testing in servicing. carbon rust cleaning and refitting the same , transformer buchholz relay and pipeline planch oil leakage arresting drainage of old oil , new gasket fixing oil leakage arresting refitting the same. topping of oil level , transformer h. t and l. t cable box ht and lt cable megar testing , transportation to bring testing kit to the site to and fro , and site halting charges , earth electrode testing , lt acb servicing and testing charges , ht vcb incoming outgoing transformer 1 and 2 serving and testing , auxiliary relay testing , high speed tripling relay test
Tender For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.
Tender For supply of supply of pressure relief valves for transformer and buchholz relay for transformer : - operating pressure 0.61 kg by cm2 g should be suitable for mounting pad 6 equidistant holes m12 on pcd 235 mm, id 155 mm , od 262mm , operating pressure 0.55 kg by cm2 g should be suitable for mounting pad 6 equidistant holes m12 on pcd 235 mm, id 155 mm , od 262mm , operating pressure 0.53 kg by cm2 g should be suitable for mounting pad 6 equidistant holes m12 on pcd 235 mm, id 155 mm , od 262mm , operating pressure 0.49 kg v cm2 g should be suitable for mounting pad 4 equidistant holes m13 on pcd 125 mm , pipe size 50mm nb gas volume range as per is 3637 175 to 225 cc rate of steady flow of oil as per is 3637, 75 to 140 cm by sec , pipe size 80mm nb gas volume range as per is 3637 200 to 300 cc rate of steady flow of oil as per is 3637 , 90 to 160 cm by sec