Flender/Flender Gear Units/Helical gear reducer H2
All other standard fittings and accessories like name plate, fi rst fill of oil as per IS - 1 of

1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________

TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 5 of 2 3 with 1% excess

in drums, cooling system complete with acce ssories including detachable radiators, drain and sampling devices, air release evice, lifting lugs,

conservator with sump, drain valve and detachable end plate, de hydrating breather, etc shall be provided alo ng with the transformer. In addition, contractor shall supp ly all the accessories like bidirectional rollers, radiators, etc so as to complete the transformer in all respect . Contractor shall also provide dedicated remote tap changer cont rol panel for all the transformers with all indicatio ns, control, annunciations, etc. On Load Tap Changer . Electrical Design - Generally as per IS 8 - Automatic motor operated, resistive transition impedance type. - Tap changer shall change the ffective transformation ratio without providing phase displacement. - The tap changer shall have the ame rating as the associated tr ansformer with respect to rated current, rated voltage, no. of phases, insulation level, over loading capability and short circuit withstand capacity. - No. of steps and rated step voltage shall be as per Technical articulars. - Shall be suitable for connection to line end of neutral and of the winding as specified. - DC control supply voltage shall be 1V DC. - Separate Diverter Tank for OLTC shall be provided for Power Transformer . General Arrangement - Diverter switch contacts shall be housed in separate oil cham ber not communicating with the oil in the