Your equipment shortlist
Compare equipment before you request it.
Review the published facts side by side. Matching a voltage or MVA rating does not establish compatibility. Ask your project engineer to review the complete unit records.
| Compare | 300 MVA 138/34.5 kV Georgia TransformerJJ-TX-001 | 120 MVA 138/34.5 kV Georgia Solar GSUJJ-TX-004 |
|---|---|---|
| Manufacturer | Georgia Transformer | Georgia Transformer |
| Rating / output | 180/240/300 MVA; 63/84/105 MVA tertiary | 72/96/120 MVA; 25.2/33.6/42 MVA tertiary |
| Voltage / winding arrangement | 138/34.5 kV with 12 kV buried-delta tertiary | 138/34.5 kV with 12 kV buried-delta tertiary |
| Vector group | YNyn0+d1 | YNyn0+d1 |
| Frequency | Not documented; confirm with J&J | 60 Hz |
| Cooling | Not documented; confirm with J&J | ONAN / ONAF1 / ONAF2 |
| Impedance and base | Not documented; confirm with J&J | Measured H–X: 6.93% at 72 MVA; design value 7.2% |
| Tap changer | Not documented; confirm with J&J | HV OLTC; 117.3–158.7 kV (±15%); confirm the final switch and step schedule |
| Insulation / BIL | Not documented; confirm with J&J | HV line 650 kV; HV neutral, LV line and LV neutral 200 kV |
| Quantity represented | 1 documented unit | 1 documented unit |
| Technical details / open items | ONAN/ONAF/ONAF, 60 Hz, three-phase, vector group YNyn0+d1; Measured 138/34.5 kV impedance: 9.67% on a 180 MVA base; Copper windings, conservator system, Type II mineral oil, and HV OLTC | Solar GSU design; ONAN/ONAF1/ONAF2, 60 Hz, three-phase; Vector group YNyn0+d1 with HV OLTC and conservator oil system; Nameplate rating is used; an outline-drawing discrepancy requires final seller confirmation |
| Evidence reviewed | Serial-specific nameplate reviewed | Serial-specific nameplate and approval drawings reviewed |
| Technical value basis | Serial-specific nameplate reviewed | Supplied unit nameplate; the nameplate takes precedence over the differing outline-drawing rating. |
| Details to confirm | Matching technical records, current condition, complete equipment scope and transport details | Resolve the outline-drawing rating discrepancy and confirm the final drawing revision; Current preservation, complete tests, dimensions and included accessory schedule |
| Represented condition | Brand new, never used and never energized; 2020 nameplate reviewed | Brand new, never used and never energized; approval drawings reviewed |
| Equipment location | USA | USA |
| Technical records reviewed | 2026-10-08 | 2026-10-08 |
| Availability | Available for sale — confirmed by J&J October 8, 2026; quotation and release terms on request | Available; engineering package reviewed; subject to prior sale and written reconfirmation |
| Availability last confirmed | 2026-10-08 | 2026-09-24 |
| Shipping estimate | Request a written dispatch and delivery schedule | Request a written dispatch and delivery schedule |
| Nameplate reviewed | Yes — request the unit package | Yes — request the unit package |
| Drawings reviewed | Not recorded as reviewed; request them | Yes — request matching unit drawings |
| Factory test report reviewed | Not recorded as reviewed; request test records | Not recorded as reviewed; request test records |
| This unit only | Request more info | Request more info |
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What still needs to be checked?
Confirm frequency, cooling-stage ratings, impedance and its base, taps, vector group, grounding, BIL, site conditions and included scope against the project specification. A table cannot approve the fit.
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