Equipment summary
Specifications and scope
| Unit ID | JJ-TX-007 |
|---|---|
| Manufacturer | Manufacturer to confirm |
| Manufacturer basis | Project-specific supplied approval drawings reviewed; final equipment OEM and serial identity require confirmation |
| Rating | 30/39.9/50 MVA at 55 C; 33.6/44.7/56 MVA at 65 C |
| Voltage / output | 138 kV delta / 13.8 kV grounded wye |
| Frequency | 60 Hz |
| Vector group | Delta–Grounded Wye; clock to confirm |
| Tertiary | Not documented; confirm the complete winding arrangement |
| Quantity | 1 represented design package |
| Availability | Available; approval drawings reviewed; unit identity requires documentation; subject to prior sale and written confirmation |
| Project history | Factory-built for a project that did not proceed to energization |
| Energization history | Never energized |
| Condition basis | Brand new, never used and never energized; 2024 approval drawings reviewed; serial identity requires confirmation |
| Condition confirmed by J&J | |
| Current location | USA |
| Listing information reviewed |
Technical values and record basis
Supplied approval design drawings; a completed individual nameplate and final equipment identity have not been established.
| Phases | Three-phase |
|---|---|
| Cooling | ONAN / ONAF / ONAF |
| Temperature-rise ratings | 30 / 39.9 / 50 MVA at 55°C; 33.6 / 44.7 / 56 MVA at 65°C |
| Conductor / fluid | Copper / Type II mineral oil, drawing basis |
| Tap changer | Five-position HV DETC: 131.1, 134.55, 138, 141.45 and 144.9 kV (±5%, 2.5% steps) |
| Insulation / BIL | HV 650 kV; LV 110 kV, drawing basis |
| Approximate total weight | 137,920 lb, drawing basis |
| Oil volume | 5,490 US gal, drawing basis |
Details to confirm for this listing
- Final OEM, individual equipment identity, manufacture year, tested impedance and factory reports
- Final drawings, current preservation, complete accessories and shipping configuration
Technical highlights
- Oil-immersed substation transformer; ONAN/ONAF/ONAF, 60 Hz, three-phase
- HV de-energized tap range: 131.1-144.9 kV
- Final impedance, serial number, test data, and manufacture date are not populated
Evidence reviewed
Project-specific supplied approval drawings reviewed; final equipment OEM and serial identity require confirmation
Records apply only to the stated unit or design basis.
Availability and terms
Available; approval drawings reviewed; unit identity requires documentation; subject to prior sale and written confirmation
Ask for the current technical package, price, included accessories and delivery terms.
Confirm the purchase and delivery scope
Ask J&J to confirm the proposed unit’s allocation, price, inspection access, included accessories, loading and freight boundary, receiving arrangements, release schedule, deposit or reservation terms and any applicable warranty. Photos, matching records and inspection arrangements are coordinated through J&J.
Request written termsCheck this transformer against your project
Compare the complete winding arrangement and condition evidence before requesting a quote. A matching voltage ratio alone does not establish suitability.
- Match MVA, voltage, impedance, taps and winding connections
- Review seven transformer condition risks before purchase
For this listing’s photographs, reports, pricing and current status, call 346-276-9540 or email Tommy with unit ID JJ-TX-007.