17.875 MVA power transformers, 34.5 kV to 4.16 kV
Price on request
2 available
18/24/30 MVA substation transformer, 69 kV delta to 12.47Y/7.2 kV, with load tap changer
- Year built
- Not stated
- In service
- Not stated
- Equipment no.
- STT-06-0017
- Manufacturer
- Federal Pacific
Price and quote
Price on request
Price for the equipment. Your quote adds testing and delivery to your site.
- Tested before it ships, and you see the report first
- Delivered to your site, with rigging and freight quoted up front
- Confirmed with the seller before we quote
Specifications
- Rating
- 18/24/30 MVA at 55 °C, 20.16/26.88/33.6 MVA at 65 °C, ONAN/ONAF/ONAF
- Primary
- 69,000 V delta
- Secondary
- 12,470Y/7,200 V
- Full-load current
- 833 A at 18 MVA, 1,111 A at 24 MVA and 1,389 A at 30 MVA, at 12.47 kV calculated from its rating
- Phase
- 3-phase, 60 Hz
- Impedance
- 7.60%
- BIL
- 350 kV HV, 110 kV LV
- Taps
- HV ±2 × 2.5% (listed as 2-2.5% FCAN and BN)
- Tap changer
- Load tap changer on the LV side, 32 steps, 16 × 5/8% above and below nominal
- Cooling
- ONAN/ONAF/ONAF
About this unit
Reconditioned Federal Pacific step-down unit with a 32-step load tap changer on the low-voltage side, offered by Tampa-based CTG Power Systems with a spec sheet to download. The page gives no year, weight, unit location or price.
Listed October 18, 2026