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 | 116 MVA 138 kV Transformer Positions — 2027JJ-TX-205 | 120 MVA 138/34.5 kV Georgia Solar GSUJJ-TX-004 |
|---|---|---|
| Manufacturer | Manufacturer disclosed in the qualified technical package | Georgia Transformer |
| Rating / output | 116 MVA stated maximum | 72/96/120 MVA; 25.2/33.6/42 MVA tertiary |
| Voltage / winding arrangement | 138 kV HV; secondary voltage requires confirmation | 138/34.5 kV with 12 kV buried-delta tertiary |
| Vector group | Requires confirmation | YNyn0+d1 |
| Frequency | Requires confirmation | 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 | 2 offered positions | 1 documented unit |
| Technical details / open items | Seller offer summary; exact cooling stages require confirmation.; Ask J&J for the included U.S.-port shipping, commissioning and manufacturer warranty scope in the written offer.; Modifications can be reviewed before completion; feasibility, cost and schedule impact require OEM confirmation.; Any warranty provider, scope, transfer eligibility, start date and commissioning boundary must appear in the written quotation. | 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 | Seller offer summary; exact cooling stages require confirmation | Serial-specific nameplate and approval drawings reviewed |
| Technical value basis | Received production offer and existing reviewed design package; final individual nameplates and factory tests remain pending. | Supplied unit nameplate; the nameplate takes precedence over the differing outline-drawing rating. |
| Details to confirm | Match the final design/rating and drawing revision to each offered manufacturing position; Final frequency, cooling/rise, winding duty, impedance/base, BIL, taps, accessories and transport dimensions/weights | Resolve the outline-drawing rating discrepancy and confirm the final drawing revision; Current preservation, complete tests, dimensions and included accessory schedule |
| Represented condition | Factory manufacturing position; completion pending | Brand new, never used and never energized; approval drawings reviewed |
| Equipment location | Dispatch location confirmed with quotation | USA |
| Technical records reviewed | 2026-10-08 | 2026-10-08 |
| Availability | 2027 manufacturing positions offered for allocation; current release terms require written confirmation | Available; engineering package reviewed; subject to prior sale and written reconfirmation |
| Availability last confirmed | Request current confirmation | 2026-09-24 |
| Shipping estimate | Projected 2027 completion; shipment and receiving dates require written confirmation | Request a written dispatch and delivery schedule |
| Nameplate reviewed | Not recorded as reviewed; request it | 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 | Email for specs & price | Email for specs & price |
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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.
Match the nameplate to the specification · Review surplus equipment records · Procurement checklist