
UHV Power Transformers
Ultra high voltage power transformers for the highest transmission-class applications. 200–500 MVA, 400–765 kV — leveraging global JV partnerships including Skipper ETS India for world-class UHV capability.
Engineering Features
KEMA Short-Circuit Testing
KEMA-witnessed short-circuit withstand testing — essential for UHV-class fault currents.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | 200 – 500 MVA |
| Primary Voltage | 400 – 765 kV |
| Secondary Voltage | 11 – 36 kV |
| Frequency | 50 / 60 Hz |
| Impedance | 12% – 18% (customizable) |
| Vector Group | As per specification |
| Noise Level | ≤ 80 dB(A) at 1m |
| Total Losses | Per IEC/IEEE guaranteed values |
| Temperature Rise | Top oil ≤ 55K, Winding ≤ 60K |
| Insulation Level | Full BIL / SIL as per UHV class |
Standard range parameters — custom specifications available on request.
Related glossary terms
DEWA Approved
Dubai Electricity & Water Authority vendor
ADDC / AADC
Abu Dhabi Distribution Company approved
SEWA / FEWA
Sharjah & Federal Electricity authorities
ADNOC AVL
ADNOC Approved Vendor List
IEC 60076
International standard for power transformers
ARAMCO 17-SAMSS
Saudi ARAMCO material specification
Ultra High Voltage power transformers for GCC mega-projects and bulk transmission. 200 MVA to 500 MVA at 400 kV, 500 kV and 765 kV through our Skipper ETS India JV. Designed to IEC 60076 with KEMA short-circuit certification, full seismic qualification and 50 °C+ ambient derating. Our UHV portfolio supports NEOM, Saudi Arabia's 380/500 kV transmission build-out, the GCC Interconnection Authority and gigawatt-scale renewable-IPP interconnect at the Mohammed bin Rashid Al Maktoum Solar Park.
NEOM 500kV Bulk Transmission · Saudi NW
SEC 380/500kV Inter-Regional Lines
GCCIA Cross-Border 400kV Interconnect
MBR Solar Park 5GW Bulk Step-Up · Dubai
Barakah Nuclear Plant 400kV GSU · Abu Dhabi
Saudi Vision-2030 Transmission Mega-Projects
Where UHV Power Transformers Excel.
GCC Super-Grid (765 kV)
IEC 60076 UHV transformers for emerging 765 kV class GCC and MENA backbone transmission systems.
Strategic GCC GSU
Large UHV-class GSU transformers for Barakah Nuclear, NEOM Helios green-hydrogen and giga-scale solar projects.
GCCIA Cross-Border Backbone
UHV auto-transformers for GCC Interconnection Authority cross-border super-grid and Saudi-Egypt HVDC interconnection.
Mega-Project Grid Backbone
Backbone UHV transformers for NEOM, The Red Sea Project and other Vision 2030 mega-developments.
Frequently Asked Questions
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Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.

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