North Eastern Electric Power Corporation Limited Tender
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North Eastern Electric Power Corporation Limited - NEEPCO Tender
Electrical Goods and Equipments
Electrical Generators And Transformers
Electrical and Electronics
GEM
Opening Date28 Jun 2023
Closing Date12 Aug 2023
Tender Amount₹ 1,82,900
Costs
EMD
Refer DocumentsDocument Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Lt Voltage Transformer Single Phase,lt Control Transformer Single Phase,lt Control Transformer 3-ph CATEGORY: LT Voltage Transformer Single Phase , LT Control Transformer Single Phase , LT Control Transformer 3-Phase , LT Transformer Dry Type 3-Phase , L.T Control Transformer Three-Phase , Power Transformer 3-Phase , LT Resin Cast CT Wound Primary Type , LT Resin Cast Wound Primary Type Current Transformer
Description
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Contact
Tender Id
GEM/2023/B/3628505Bid Award Id
ViewTender No
GEM/2023/B/3628505Tender Authority
North Eastern Electric Power Corporation Limited ViewPurchaser Address
-Website
http://bidplus.gem.gov.in
GEM & Bid Advisory Services
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Documents
item-specification_2023-06-28-18-11-11_95ffdedb3da749be9fcbfe7ede7e8a13.pdf
specification-of-transformer_2023-06-28-18-11-11_788b3fbce860c6c9c1b8ee795e7676b7.csv
BOQ Items
LT Control Transformer 3-Phase , Capacity 4KVA, Frequency 50 HZ, HV 270V at 8.55 A, LV 165V at 14 A, HV TAP plus minus5 percent, plus minus 10 percent, Impendace 4 percent, Vector Group Dyn11, Insulation Class B, Insulation Level 2.5Kv 50 Hz for 1 min, Terminals HV and LV M5 Ni Plated Brass Bolts and Nuts, Earthed Shield between HV and LV winding, No load current less than 15percent of Rated Load Current , Ref Std IS 2026 and 1977 IS 11171.
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LT Transformer Dry Type 3-Phase , Capacity 4KVA, Frequency 50 HZ with 3 percent variation, HV 415V at 5.56 Amp, LV1 165V at 3.5KVA at 12.25 Amps, LV2 110V at 0.5KVA at 2.62 Amp, Vector Group YNYN0, Impendace 4 percent HV TAP plus minus 5 percent, plus minus 10 percent. Impendace 4 percent, Insulation Level 4kV, Insulation Class B, Insulation Level 2.5kV 50 Hz for 1 min, No load current less than 15 percent of Rated Load Current, Nickle Plated Brass Stud Terminals, Metallic Shield between HV and LV windings brought out to separate terminal for Earthing Transparent Polycarbonate sheet 8mm thick above terminal board, Ref Std IS 2026 and IS11171 and ED 7461195, Type Vacuum Pressure Impregnated VPI. Terminals HV M6 Ni Plated Brass Bolts and Nuts, LV M8 and M6 Ni plated brass bolts and nuts, note Dimensions are in maximum except mounting pitches.
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L.T Control Transformer Three-Phase , Capacity 2.5KVA, Frequency 50 Hz, HV 415V, LV1 30V, LV Taps 15 V-20V-25V, Impendace 4 percent, Vector Group YNYN0. Insulation Level 4Kv 50 Hz for 1 min, Terminals HV M6 Ni Plated Brass Bolts and Nuts, LV M10 Ni plated brass bolts and nuts, Earthed Shield between HV and LV winding brought out to separate terminals, Ref Std IS 2026 andIS11171 and ED 7461195, Turns ratio plus 2 percent, Type Vacuum Pressure Impregnated.
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Power Transformer 3-Phase , Capacity 7.5KVA, HV 415Vat 10.43 A LV 270V at 16.03 A, HV Tap plus minus 5 percent, plus minus 10 percent, Vector Group Ynd11. Impendace 4 percent, Insulation Level 4kV 50HZ for 1min, Insulation Class B, Earthed Shield between HV and LV winding, Terminals HV and LV M6 Ni Plated Brass Bolts and Nuts
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LT Resin Cast CT Wound Primary Type , Dual Ratio Single Core 50 Hz, Ratio 5-1 to 1A, Accuracy Class 1, Primary Burden 20VA, Class Insulation B, Highest SystemVoltage 1.1KV, Test Voltage 2.5 kV at 50 Hz for 1min, Ref. Std IS2705 and 1992
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LT Resin Cast Wound Primary Type Current Transformer , Ratio 1A to 1A-2A, Primary Burden 5VA plus 5VA., Accuracy Class5P10, Insulation voltage 1.1KV, Test Voltage 50 Hz 1min 4kV, Ref IS-2705
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