WESTINGHOUSE / GE ENERGY REBUILT 39.6/52.8/66 MVA
140.9 kV / 34.5 kV power transformer for sale

140.9 kV high side / 34.5 kV low side

Equipment ID: 70004-TT

Equipment photographs

Equipment photographs supplied with the nameplate for 70004-TT. Select an image for the original resolution.

Transformer 70004-TT — supplied front view, tank, bushings and cooling equipment

Transformer 70004-TT — supplied radiator, fan and side view

70004-TT nameplate — serial 7000490; 140.9 / 34.5 kV; remanufactured March 2008

Equipment specifications

Manufacturer: WESTINGHOUSE / GE ENERGY REBUILT
Equipment ID: 70004-TT
Application: Power transformer
Power rating: 39.6/52.8/66 MVA
High-side voltage: 140.9 kV
Low-side voltage: 34.5 kV
Catalog condition: Pre-owned
Listed quantity: On request
Manufacture year: Original manufacture year not shown on supplied plate
Tap changer: Five-position de-energized tap changer (DETC)
Asking price: $6,500,000 USD
Original manufacturer: Westinghouse
Manufacturer serial number: 7000490
GE Energy order number: 30349
Remanufacture date / facility: March 2008 / Bradenton Service Center
Cooling class: ONAN / OFAF / OFAF
Continuous ratings at 65 °C rise: 39,600 kVA self-cooled; 52,800 / 66,000 kVA forced-oil and forced-air-cooled
Winding connections: High voltage: delta; low voltage: wye with X0 neutral
Phase / frequency: Three-phase / 60 Hz
Winding material: Copper
Impedance: 7.26% at 39,600 kVA
HV de-energized tap voltages: 147,945 / 144,420 / 140,900 / 137,380 / 133,855 V
HV current at 66 MVA, by tap: 258 / 264 / 270 / 277 / 285 A
LV current at 66 MVA: 1,104 A at 34,500 V
Basic impulse insulation levels: HV: 550 kV; LV: 200 kV; LV neutral: 200 kV
Approximate core and coils weight: 123,000 lb
Approximate tank and fittings weight: 42,300 lb
Oil volume / approximate weight: 5,100 US gallons / 38,200 lb
Approximate total weight: 203,500 lb
HV bushing current transformers: 1200:5 multi-ratio CTs; six total
LV bushing current transformers: 2000:5 multi-ratio CTs; three total
Neutral current transformer: 600:5 multi-ratio CT
Wiring diagram: IM1331-04
Instruction book: IM1331-12
DETC phase connections by position: 1: 6–7; 2: 5–7; 3: 5–8; 4: 4–8; 5: 4–9
Liquid level at 25 °C: 15 5/16 in below top of highest manhole flange
Liquid-level change: 7/8 in for each 10 °C change in average liquid temperature
Operating pressure limits: +6.5 / −6.5 psi, per nameplate
Tank design: Complete vacuum and 10 psi internal pressure
PCB statement: No detectable PCB at time of remanufacture, per nameplate
Hot-spot CT reference: L-662377
HV / LV / neutral CT references: L-721519 / L-662267 / L-834302

Listing details

ID: 70004-TT. 39.6/52.8/66 MVA. 140.9 kV DELTA / 34.5 kV WYE. Original manufacturer Westinghouse; GE Energy remanufacture, Bradenton Service Center, March 2008. Serial 7000490. ONAN/OFAF/OFAF. De-energized tap changer. Asking price USD 6,500,000.

Winding connections, secondary options, included accessories, and tap-changer details must be checked against the unit-specific nameplate and drawings. The description above preserves the listed configuration.

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