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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 | 3 Rebuilt ABB 59.7 MVA-Class 230/13.8 kV TransformersJJ-ABB-230-13-3 | 112 MVA-Class ABB 230/115/69 kV AutotransformerJJ-ABB-AUTO-112 |
|---|---|---|
| Manufacturer | ABB | ABB |
| Rating / output | 40/53.3 MVA at 55 C; 44.8/59.7 MVA at 65 C | 60/80/100 MVA at 55 C; 67.2/89.6/112 MVA at 65 C |
| Voltage / winding arrangement | 230 kV delta / 13.8 kV grounded wye | 230 kV to reconnectable 115 or 69 kV with 13.5 kV delta tertiary |
| Vector group | Delta–Grounded Wye; clock to confirm | Wye autotransformer / Delta tertiary; clock to confirm |
| Frequency | 60 Hz | 60 Hz |
| Cooling | OA / FA / FA | OA / FA1 / FA2 |
| Impedance and base | 9.99% represented; MVA base not established | 13.2% at 60 MVA, 230/69 kV; 7.4% at 60 MVA, 230/115 kV |
| Tap changer | Five-position HV DETC represented at 241.5, 235.75, 230, 224.25 and 218.5 kV | Not documented; confirm with J&J |
| Insulation / BIL | Not documented; confirm with J&J | Not documented; confirm with J&J |
| Quantity represented | 3 represented units | 1 nameplate-documented opportunity; available quantity to confirm |
| Technical details / open items | 1989 manufacture represented; three-phase, 60 Hz, copper windings; OA/FA/FA cooling, 55/65 C rise, and 9.99% represented impedance; HV taps represented at 241.5, 235.75, 230, 224.25, and 218.5 kV; Supplied equipment photo shown; request matching records, rebuild scope, tests and included accessories for all three units through J&J | Three-phase, 60 Hz, copper-wound ABB autotransformer; Reconnectable common winding for 69 kV or 115 kV service; 13.5 kV delta tertiary; Nameplate impedance: 13.2% on a 60 MVA, 230/69 kV base; 7.4% on a 60 MVA, 230/115 kV base; Complete matching nameplate records and the technical package are shared through J&J |
| Evidence reviewed | Seller specification sheet and equipment photo reviewed | Serial-specific nameplate photograph reviewed |
| Technical value basis | Seller specification and equipment photograph; confirm all three individual nameplates and rebuild records. | Supplied individual nameplate photograph; reconnection and tap arrangements require engineering review. |
| Details to confirm | All three matching nameplates, impedance bases, BIL and detailed rebuild scopes; Current inspection, tests, accessory completeness and individual transport dimensions/weights | Selected voltage reconnection, tertiary rating, insulation levels and current quantity; Complete tests, current preservation, accessory scope and transport dimensions/weights |
| Represented condition | Rebuilt; three ABB 230/13.8 kV transformers. Rebuild scope and included accessories are confirmed with the quotation | Brand new, never used and never energized |
| Equipment location | USA | USA |
| Technical records reviewed | 2026-10-08 | 2026-10-08 |
| Availability | Available; specification sheet reviewed; subject to prior sale and written reconfirmation | Available; nameplate reviewed; quantity and delivery terms confirmed with the quotation; subject to prior sale |
| Availability last confirmed | 2026-09-24 | 2026-09-24 |
| Shipping estimate | Request a written dispatch and delivery schedule | 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 | 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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