30/40/50 MVA substation transformers, 69 kV delta to 12.47 kV wye, with load tap changer
Price on request
2 available
30/33.6/40/44.8/50/56 MVA generator step-up transformer, 34.5GrdY/19.92 kV to 138GrdY/79.67 kV
- Year built
- 2003
- In service
- Not stated
- Equipment no.
- STT-06-0120
- Manufacturer
- Waukesha
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
- 30/33.6/40/44.8/50/56 MVA, ONAN/ONAF/ONAF, 55/65 °C rise
- Primary
- 34,500GrdY/19,920 V (low side)
- Secondary
- 138,000GrdY/79,670 V (high side)
- Full-load current
- 126 A at 30 MVA, 141 A at 33.6 MVA, 167 A at 40 MVA, 187 A at 44.8 MVA, 209 A at 50 MVA and 234 A at 56 MVA, at 138 kV calculated from its rating
- Phase
- 3-phase, 60 Hz
- Impedance
- 9.69%
- Taps
- 144,900, 141,450, 138,000, 134,550 and 131,100 V
- BIL
- 650 kV HV, 200 kV LV, 110 kV tertiary
- Windings
- Copper
- Accessories
- 12,470 V tertiary; 6 HV 600:5 and 6 LV 1200:5 multi-ratio CTs (C800); conservator
About this unit
2003 Waukesha generator step-up unit with a 12.47 kV tertiary, offered by Tampa-based CTG Power Systems. CTG's sister site lists the same stock number as fully reconditioned with a one-year warranty; no weights, unit location or price are given.
Listed October 18, 2026