Attachment 1 Salient Characteristics.pdf
PDF 125 KB Posted
- Attached to
- 750kVA Transformer
- Solicitation number
- FA462025QA829
About this file
This document is a Salient Characteristics & Pricing Schedule for a Transformer Commodity Buy at Fairchild Air Force Base in Washington state. The specification details a 750kVA, 3-phase transformer with specific technical requirements, including a 65-degree average winding rise, KNAN cooling class, and Envirotemp FR3 insulating fluid. The transformer features a 13200 Delta Volts high voltage configuration with 15 kV class, 95 kV BIL, dead front primary termination, loop feed, and a 5-position tap changer. Additional specifications include 200 Amp bushing wells, load break switches, bayonet fuse protection, and a 480Y/277 low voltage configuration.
The transformer is designed with multiple technical details such as IEEE/ANSI cabinet types, Munsell Green coating, UL listing, magnetic liquid level gauge, pressure/vacuum gauge, and dial-type thermometer. It includes a 20-inch-deep cabinet with penta-head door bolts, a drain valve with sampler in the low voltage compartment, a fill plug, a 50 SCFM pressure relief device, and three two-hole ground pads. The transformer meets the DOE 2016 efficiency standard and is configured for specific electrical utility requirements at the Fairchild Air Force Base location.
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Text version
SALIENT CHARACTERISTICS & PRICING SCHEDULE
FOR
Transformer Commodity Buy
August 2024
Salient Characteristics & Pricing Schedule For
Transformer Commodity Buy
Fairchild AFB, WA
Detail Description kVA 750kVA 3 Phase Temp Rise 65-degree average winding rise
Cooling Class KNAN Insulating Fluid Envirotemp FR3 Efficiency Standard DOE 2016 High Voltage 13200 Delta Volts
High Voltage kV Class 15 kV Class High Voltage kV BIL 95 kV BIL Primary Termination Style Dead Front Primary Feed Type Loop Feed Taps 2ea 2.5% Taps above and 2EA 2.5% Taps below nominal Tap Changer 5-position tap changer Tap Changer Switch Location Front Plate HV Compartment High Voltage Bushings 200 Amp bushing wells with removeable studs (6ea) High Voltage Inserts 15kV, 95kV BIL load break inserts (6ea) Load Break Switch(es) 15-38kV, 300 Amp, 2 position (3ea) Load Break Switch Location Front Plate HV Compartment Switch Cover Padlock provision on switch handle (inside HV compartment) Arresters None Over Current Protection Bayonet fuses in series with partial-range current limiting fuses (3ea) Expulsion fuses bayonet fuses(3a) Bayonet Holder bayonet fuse holder (3ea) Spare Expulsion Fuses bayonet fuses(3a) Low Voltage 480Y/277 Low Voltage kV Class 1.2 kV Class Low Voltage kV BIL 30 kV BIL Secondary Termination Style Live front Secondary Feed Radial Feed Low Voltage Bushing Location LV front Plate Low Voltage Bushings 1" copper stud with 12-hole screw on spade bushings (4ea) Bushing supports Standard LV bushing support assembly Cabinet 20-inch-deep cabinet Cabinet hardware Penta-head cabinet door bolts Cabinet Types IEEE/ANSI Infrared Viewing Window Not required Cabinet accessories pocket on compartment door for spare fuses Bushing layout k 4.5 Loop feed per IEEE Coatings Munsell Green - Munsell 7GY 3.29/1.5 FM/UL certifications UL Listed Liquid Level Gauge Magnetic Liquid level gauge Pressure Vacuum gauges Pressure/Vacuum gauge Thermometer Dial Type
Drain Valve Drain Valve with sampler in LV compartment Fill Valve Fill Plug in LV compartment Pressure Relief Device 50 SCFM Gound Pads two-hole ground pads (3ea)
File details come from the government source that posted it. Updated .