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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 | WEG 120 MVA 230/34.5 kV Transformer OfferJJ-WEG-230-120 | New 220 MVA 230/34.5 kV ABB/Hitachi TransformerJJ-230-220-1 |
|---|---|---|
| Manufacturer | WEG | ABB / Hitachi |
| Rating / output | 72/96/120 MVA | 132/176/220 MVA |
| Voltage / winding arrangement | 230/34.5 kV | 230/34.5 kV with 13.8 kV buried-delta tertiary |
| Vector group | Winding connections to confirm | YNyn0d1 — Wye–Wye / Delta |
| Frequency | Not documented; confirm with J&J | 60 Hz |
| Cooling | Not documented; confirm with J&J | ONAN / ONAF / ODAF |
| Impedance and base | Not documented; confirm with J&J | H–X: 10.47% at 132 MVA, 230/34.5 kV |
| Tap changer | Not documented; confirm with J&J | HV OLTC; nameplate tap table spans 205.8–254.2 kV; confirm the selected tap and final switch schedule |
| Insulation / BIL | Not documented; confirm with J&J | HV line 900 kV; HV neutral, LV and tertiary 200 kV |
| Quantity represented | 1 represented option | 1 unit |
| Technical details / open items | The received September 30 forward repeats an August offer for a WEG 72/96/120 MVA, 230/34.5 kV unit represented as stored in the United States.; Individual new/unused or previously operated condition is not established. This record is excluded from both the new/unused and used/pre-owned filters until condition is confirmed.; The earlier approximate four-week lead time is not a current delivery commitment. Request present allocation and release milestones.; Obtain the individual nameplate, winding connections, frequency, cooling, preservation/service history, test reports and written warranty terms.; This is separate from J&J's WEG 120/24.9 kV 166.667 MVA record and the WEG 230/34.5 kV 88 MVA record. | 132/176/220 MVA, 230 kV grounded-wye high side and 34.5 kV grounded-wye low side; YNyn0d1 connection documented in the manufacturer factory test report; 13.8 kV buried-delta tertiary; 2021 ABB rating-plate drawing; three-phase, 60 Hz, ONAN/ONAF/ODAF cooling; Contact Tommy Marco directly for the technical package, price, and delivery arrangements; Nameplate impedance: 10.47% on a 132 MVA, 230/34.5 kV base; final configuration confirmed with the technical package |
| Evidence reviewed | Received written equipment offer | Manufacturer nameplate and factory test report reviewed |
| Technical value basis | Received written equipment offer; this unit has not been matched to an individual technical package. | Supplied unit nameplate and historical factory photograph; current inspection and matching factory records remain necessary. |
| Details to confirm | Individual condition/service history, nameplate, frequency, cooling/rise and connections; Impedance/base, BIL, taps, conductor/fluid, tests, dimensions/weights and present preservation | Current preservation, complete factory-test reports and included accessory schedule; Overall/shipping dimensions, shipping weight, oil quantity and loading arrangements |
| Represented condition | Individual condition and service history require confirmation | Brand new, never used and never energized |
| Equipment location | USA | USA |
| Technical records reviewed | 2026-10-08 | 2026-10-08 |
| Availability | August offer re-forwarded September 30, 2026; present availability and release timing unconfirmed | Available; confirmed by J&J on September 24, 2026; subject to prior sale and written confirmation |
| Availability last confirmed | Request current confirmation | 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 | Yes — request matching unit drawings |
| Factory test report reviewed | Not recorded as reviewed; request test records | Report reviewed; confirm matching records for each unit |
| 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