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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 | 208 MVA 115/34.5 kV Transformer — 2027JJ-TX-202 | 60 MVA 115/34.5 kV Virginia TransformersJJ-TX-006 |
|---|---|---|
| Manufacturer | Manufacturer disclosed in the qualified technical package | Virginia Transformer Corp. |
| Rating / output | 124.8/166.4/208 MVA | 36/48/60 MVA |
| Voltage / winding arrangement | 115 kV HV / 34.5 kV LV | 115 kV delta / 34.5 kV grounded wye |
| Vector group | Grounded wye / grounded wye | Dyn1 |
| Frequency | 60 Hz | 60 Hz |
| Cooling | ONAN / ONAF1 / ONAF2 | ONAN / ONAF / ONAF |
| Impedance and base | H–X 9% at 125 MVA (supplied design sheet) | 8.42%, 8.41% and 8.46% at 36 MVA, by unit |
| Tap changer | HV OLTC ±8 × 1.25% (±10%); no taps shown on X or Y windings | ABB HV LTC; 103.5–126.5 kV (±10%); 16 raise / 16 lower steps of 0.625% |
| Insulation / BIL | HV line 550 kV; HV neutral, LV line and LV neutral 200 kV | HV line 550 kV; LV 200 kV |
| Quantity represented | 1 offered position | 3 units |
| Technical details / open items | Supplied design data sheet; final unit-specific nameplate and FAT pending.; 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.; Design basis: ONAN/ONAF1/ONAF2, 60 Hz, 65 C temperature rise; grounded-wye high and low sides.; HV OLTC design range ±10%; preliminary 13.8 kV open-delta tertiary. Final unit-specific configuration requires approval.; Design H-X impedance: 9% at a 125 MVA base. This is a design-sheet value, not a final tested result. | ONAN/ONAF/ONAF, 60 Hz, three-phase, vector group Dyn1; Measured impedance: 8.42%, 8.41%, and 8.46% at 36 MVA by unit; Copper windings, Type II mineral oil, and ABB HV LTC |
| Evidence reviewed | Supplied design data sheet; final unit-specific nameplate and FAT pending | Three unit-specific nameplates reviewed |
| Technical value basis | Supplied guaranteed design sheet; these are design values, not final tested values for an individually matched unit. | Three individual nameplates reviewed; the impedance values vary by unit. |
| Details to confirm | Final unit-specific nameplate, approved revision, tested impedance/losses and final tertiary arrangement; Conductor, OLTC switch specification, complete accessories, current photos and preservation or manufacturing progress | Match each unit to its factory tests and approved accessory schedule; Current preservation, overall/shipping dimensions and individual shipping weights |
| Represented condition | Factory manufacturing position; completion pending | Brand new, never used and never energized; February-March 2026 nameplates 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; three unit-specific nameplates 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 | Not recorded as reviewed; request them |
| 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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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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