tender for testing of transformer oil of various 220/132 kv transformers installed at various substations under electy. trans. circle-i, prayagraj - collection of transformer oil sample as per standard practice in proper & air tight steel sampling bottle from bottom of t/f & oltc tank of each t/fs installed at following substation under etd-i, prayagraj & fatehpur. (sample bottle will be provided by contractor on their own cost). 2 220 kv substation fatehpur, (2x200+2x63+1x40) mva t/f 3 220 kv substation malwan, (2x160+2x40) mva t/f 4 132 kv substation khaga, (2x63+1x40) mva t/f 5 132 kv substation hussainganj, (2x40) mva t/f 6 132 kv substation bindki, (2x40+1x20) mva t/f 7 132 kv substation jahanabad, (3x40) mva t/f 8 132 kv substation malwan, (3x40) mva t/f 9 220 kv substation phulpur, (2x160+2x40) mva t/f 10 220 kv substation jhusi, (2x200) mva t/f 11 132 kv substation jhusi, (2x63+1x40) mva t/f 12 132 kv substation soraon, (1x63+1x40) mva t/f 13 132 kv substation kaurihar (2x40) mva t/f 14 132 kv substation handia, (1x63+1x40) mva t/f 15 132 kv substation saidabad, (2x40) mva t/f 16 132 kv substation gyanpur (2x20) mva t/f 17 following testing of above mentioned sampled t/fs oil required as per latest indian standard certified t/f oil 18 breakdown voltage (is:6792) 19 water content (ppm) (is:13567) 20 dissolved gas analysis (iec:60567) 21 dielectric dissipation factor (is:1866-2017) 22 resistivity (is:1866-2017)