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Design, Engineering, Manufacturing, Supply, Erection, Testing & Commissioning Of 220Kv And 66Kv Gis Equipments, Materials On Turnkey Basis Including All Civil Works At 220Kv Padana Gis Substation; 01 Highest system voltage KV 12 24 72.5 145 02 Height of unit mm 215 ± 1 305+1 770 ± 1 1500+2.5 03 Bending strength (approximate failing load): a) Upright Kgf 407 407 400 600 04 Tensile strength (Approximate) Kgf 1427 2039 3500 7000 05 Compression strength (Approximate) Kgf 2855 4078 7000 14000 06 Torsion strength (Approximate) KgfM. 61.18 81.58 200 300 07 a) Power frequency flashover voltage (dry) b) -do- (wet) KV -- -- 180 275 KV -- -- 155 275 08 a) Impulse flashover voltage (Positive) b) -do- (Negative) KV -- -- 355 650 KV -- -- 405 650 09 a) One-minute KV 35 55 165 275 power frequency withstands KV voltage (dry) 35 55 140 275 b) -do- (wet) 10 Impulse positive/negative withstand voltage KV 75 125 350 650 11 Power frequency puncture voltage KV Puncture proof Puncture proof Puncture proof Puncture proof 12 Visible Discharge KV 105 53 18 9 13 Creepage distance (Approximate) mm 300 600 1815 3625 14 Top metal fitting PCD mm 76 76 127 ± 0.2 4 holes of M16 PCD = 127 16 Bottom metal fitting PCD mm 76 76 127 ± 0.2 4 holes of M18 and PCD = 225 17 All ferrous should be hot galvanized IS:2629/1966 part dip to Yes Yes Yes Yes 18 Suitable for Hot line washing Yes Yes Yes Yes 19 Nuts & bolts Size M12 M12 M16 M16 1 Highest system voltage kV 2 Height of unit mm 3 Bending strength (approx. failing load): i) Upright kN 4 Tensile strength (Approx.) kN 5 Compression strength (Approx.) kN 6 Torsional strength (Approx.) kN 7 a) Power frequency flashover voltage (Dry) b) Power frequency flashover voltage (Wet) kV 8 a) Impulse flashover voltage (Positive) b) Impulse flashover voltage (Negative) kVp kVp 9 a) 1 min. power frequency withstand voltage (Dry) b) 1 min. power frequency withstand voltage (Wet) kV (rms) 10 Lightning Impulse positive / negative withstand voltage. kVp 11 Power frequency puncture voltage. kV 12 Visible discharge voltage kV 13 Radio Interference Voltage Micro Volts 14 Creepage distance (Minimum) : a) Total b) Protected mm mm 15 Dry Arcing distance (Minimum) mm 16 Top metal fitting PCD mm 17 Bottom metal fitting PCD mm 18 All ferrous parts should be hot dip galvanized to IS:No.2629/1966. -- YES / NO

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