Switchyard Supply
Representative 500 kV class generator step-up transformer bushings and cooling radiators in close view
Representative class photos. Serial-unit records are captured on the order evidence pack.

GSU

UHV-class GSU capability . 500 kV / high-MVA band

500-1370 MVA · 500 / ~15-24 kV · 60 Hz

About this listing

  • 500-1370 MVA, 500 / ~15-24 kV, ONAF cooling.
  • Ship-to US. Rail / heavy-permit. FAT and verified receive available on the quotation.
  • Working-capital interest can be flagged on the quotation. Partner-indicated, subject to underwriting. No live APR.
  • Compliance targets: IEEE C57, IEC, BABA interest, Interconnect ready, ISO 9001, UL.

Specifications

Catalog No.SY-GSU-500-500-20-REF
MVA500-1370 MVAVerify at quotationQuoted as a band.
Primary / secondary500 / ~15-24 kVVerify at quotationGen voltage.
Frequency60 Hz
CoolingONAFVerify at quotationONAN/ODAF per OEM.
Vector groupOEM to proposeVerify at quotationYNd / Dyn common.
OLTCYesVerify at quotationTap range.
BIL1550 kV classVerify at quotationInferred from primary kV per IEEE/IEC.
%ZPer quotationVerify at quotation%Z band for dual-OEM interchange / parallel operation.
StandardsIEEE C57; IEC 60076 as dual-path option
Lead time36-52 weeks AROVerify at quotationTarget, subject to confirmation.
Ship-toUS
HaulRail / heavy-permit
Campus fitBehind-the-meter campus, generic class

Rows marked Verify at quotation are quoted from class data and locked on the formal quotation, never assumed from this page.

Delivery and compliance

  • IEEE C57
  • IEC
  • BABA interest
  • Interconnect ready
  • ISO 9001
  • UL

Compliance targets for the quotation. Exact standard parts are confirmed on the RFQ; badges are never presented as live factory certificates.

Order evidence spine

Every award closes these gates in sequence. The same spine appears on your quotation receipt and drives any financing review.

  1. Entity freezeBuyer-of-record / constructing taxpayer locked for any financing review.
  2. Slot confirmSupplier-stated production window, once evidence closes.
  3. FAT passedFactory acceptance test witnessed or document-reviewed.
  4. Serial recordedNameplate / serial captured against the PO line.
  5. ShippedUnit cleared the plant or port. Heavy-haul plan attached.
  6. Verified receiveSite receipt, condition, and serial check.
  7. Invoice approvedBuyer/EPC approved the OEM invoice (progress-pay path).

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