Purchase Of Ehv Class Transformers & 400 Kv Reactor As Per Schedule-A Against Tender No.: Ce(P&C)/E-2834/Ii/Ehv Class Transformers & Reactor/ 2021-22. 1. 500 Mva, 400/220/33 Kv, 3 Phase, Auto Transformer With Oil, With Air Cell, With (1) Three Nos. Oil Sampling Bottles, (2 )Nitrogen Injection System For Protection (Nifps) Against The Fire & Explosion With Steel Storage Tank, (3) Condition Controlled Maintenance Free On Line Breather As Per Specification (4) Gps/Grps/Gsm Based On Line Transformer Movement Tracking System On Returnable Basis (5) Bushings Shall Be Conventional Oip Porcelain Bushings With Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (6) Spare Bushing Hv/Lv/Neutral One No. Each.(7) The Bushing Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose With 450 Mm Sub Conductor Spacing On Hv Side And Acsr Twin Al59 With Sub Conductor Spacing 350 Mm On Lv Side. (8) Hv, Mv,Lv, N Bushing Ct No Of Core-Two As Per Technical Specification 2. Erection, Testing & Commissioning Of 500 Mva,400/220/33 Kv Auto Transformer With All The Accessories As Per Specification. 3. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously. 4. 220/66 Kv, 160 Mva Power Transformer With (1) Three Nos. Oil Sampling Bottles, (2) Nitrogen Injection System For Protection Against The Fire & Explosion System With Steel Storage Tank, (3) Condition Controlled Maintenance Free On Line Breather, (4) Gps/Grps/Gsm Based On Line Transformer Movement Tracking System On Returnable Basis (5) Bushings Shall Be Rip/Rif/Ris Polymenr Housing Bushing With Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (6) Spare Bushing Hv/Lv/Neutral One No. Each (7) The Bushing Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose With 350 Mm Sub Conductor Spacing On Hv Side And Twin Al-59 With Sub Conductor Spacing 250 Mm On Lv Side, However, The Requirement Shall Be Decided During Detailed Engineering., (8) Hv, Lv And Neutral Bushing Ct: A) Hv Side No. Of Core Two And B) Lv Side No. Of Core Two,(C) Neutral Side No Of Core Two As Per Technical Specification 5. Erection, Testing & Commissioning Of 220/66 Kv 160 Mva Power Transformer With All The Accessories As Per Specification. 6. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously. 7. 220/66 Kv, 160 Mva Power Transformer With (1) Three Nos. Oil Sampling Bottles, (2) Nitrogen Injection System For Protection Against The Fire & Explosion System With Steel Storage Tank, (3) Condition Controlled Maintenance Free On Line Breather, (4) Gps/Grps/Gsm Based On Line Transformer Movement Tracking System On Returnable Basis (5) Bushings Shall Be Conventional Oip Porcelain Bushings With Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (6) Spare Bushing Hv/Lv/Neutral One No. Each (7) The Bushing Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose With 350 Mm Sub Conductor Spacing On Hv Side And Twin Al-59 With Sub Conductor Spacing 250 Mm On Lv Side, However, The Requirement Shall Be Decided During Detailed Engineering., (8) Hv, Lv And Neutral Bushing Ct: A) Hv Side No. Of Core Two And B) Lv Side No. Of Core Two,(C) Neutral Side No Of Core Two As Per Technical Specification 8. Erection, Testing & Commissioning Of 220/66 Kv, 160 Mva Power Transformer With All The Accessories As Per Specification. 9. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously. 10. 220/11 Kv, 50 Mva Power Transformer With (1) Three Nos. Oil Sampling Bottles, (2) Nitrogen Injection System For Protection Against The Fire & Explosion System With Steel Storage Tank, (3) Condition Controlled Maintenance Free On Line Breather, (4) Gps/Grps/Gsm Based On Line Transformer Movement Tracking System On Returnable Basis (5) Bushings Shall Be Conventional Oip Porcelain Bushings With Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (6) Spare Bushing Hv/Lv/Neutral One No. Each (7) The Bushing Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose With 350 Mm Sub Conductor Spacing On Hv Side And Twin Al-59 With Sub Conductor Spacing 250 Mm On Lv Side, However, The Requirement Shall Be Decided During Detailed Engineering., (8) Hv, Lv And Neutral Bushing Ct: A) Hv Side No. Of Core Two And B) Lv Side No. Of Core Two,(C) Neutral Side No Of Core Two As Per Technical Specification 11. Erection, Testing & Commissioning Of 220/11 Kv, 50 Mva Power Transformer With All Accessories As Per Specification. 12. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously. 13. 132/66 Kv, 100 Mva Auto Transformer With (1) Three Nos. Oil Sampling Bottles, (2) Nitrogen Injection System For Protection Against The Fire & Explosion System With Steel Storage Tank, (3) Condition Controlled Maintenance Free On Line Breather, (4) Gps/Grps/Gsm Based On Line Transformer Movement Tracking System On Returnable Basis, (5) Bushings Shall Be Conventional Oip Porcelain Bushings With Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (6) Spare Bushing Hv/Lv/Neutral One No. Each (7) The Bushing Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose With 350 Mm Sub Conductor Spacing On Hv Side And Acsr Twin Moose With Sub Conductor Spacing 250 Mm On Lv Side, However, The Requirement Shall Be Decided During Detailed Engineering., (8) Hv, Lv And Neutral Bushing Ct: A) Hv Side No. Of Core Two And B) Lv Side No. Of Core Two, C) Neutral Side No. Of Core Two , As Per Technical Specification 14. Erection, Testing & Commissioning Of 132/66 Kv, 100 Mva Auto Transformer With All Accessories As Per Specification. 15. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously. 16. 400 Kv, 125 Mvar Bus Reactor With Oil, Air Cell & With (1) Three Nos. Of Oil Sampling Bottles, (2) Bushings Shall Be Conventional Oip Porcelain Bushings. Minimum Creepage Distance For Bushing (Mm) Shall Be 31 Mm/Kv., (3) Spare Bushing Hv/Neutral Bushing One Each (4) Nitrogen Injection System For Protection Against The Fire & Explosion System With Steel Storage Tank, (5) Condition Controlled Maintenance Free On Line Breather (6) Gps/Grps/Gsm Based On Line Reactor Movement Tracking System On Returnable Basis (7) The Bushings Shall Be Equipped With Terminals Suitable For Connection With Acsr Twin Moose Conductor As Per Technical Specification. 17. Erection, Testing & Commissioning Of 400 Kv, 125 Mvar Bus Reactor With All Accessories As Per Specification. 18. Small Online Gas In Oil Monitoring Unit (Small Dga) To Monitor Evolution Of Minimum 3 Key Dissolved Gases In Transformer Oil. Which Shall Have Suitable Output To Extend Up To Control Room For Displaying And Shall Be Integrated In Substation’S Pc Via Suitable Converter With Required Software To Store & Retrieve Data For Managing & Reviewing Purpose, As Per Technical Specification And Shall Be Supplied With Different Channels For Communication Such As Local Usb. Ethernet And Rs 485 Modbus Remote Terminal Unit Connections Shall Work Simultaneously.
