Medium Power Transformers (GSU)
Up to 150 MVA — every power transformer is custom-designed to your system requirements, type-tested to IEC 60076 or ANSI/IEEE C57, and backed by -certified short-circuit withstand capability.
Engineering Features
Short-Circuit Testing
Independently witnessed short-circuit withstand testing for proven reliability under fault conditions.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | Up to 150 MVA |
| Primary Voltage | Up to 220 kV |
| Secondary Voltage | 6.6 – 36 kV |
| Frequency | 50 / 60 Hz |
| Impedance | 8% – 14% (customizable) |
| Vector Group | As per specification |
| Noise Level | ≤ 70 dB(A) at 1m |
| Total Losses | Per IEC/IEEE guaranteed values |
| Temperature Rise | Top oil ≤ 60K, Winding ≤ 65K |
| Insulation Level | Full BIL / SIL as per 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
ISO 50001:2018
Energy Management System (LRQA-certified, UAE plants)
IEC 60076 medium power transformers for GCC primary and bulk-supply substations. Rated 5 MVA to 150 MVA at 33 kV, 66 kV, 132 kV and 220 kV, every unit is short-circuit certified and engineered for the region's 50 °C+ ambient and saline-coastal environment. We supply DEWA, ADWEC, SEC, OEWA, KAHRAMAA and Bahrain EWA primary substations, plus generator step-up units for ADNOC, ARAMCO and renewable IPP projects across the GCC.
Where Medium Power Transformers (GSU) Excel.
GCC Utility Sub-Transmission
IEC 60076 sub-transmission transformers for DEWA, ADDC, SEC, KAHRAMAA and OETC primary substations across the GCC.
ADNOC, ARAMCO & QatarEnergy Sites
Custom-engineered medium-power transformers for ADNOC, Saudi Aramco and QatarEnergy oil-and-gas process facilities.
GCC Solar Step-Up
Grid step-up transformers for Mohammed bin Rashid Solar Park, Sudair, Al Dhafra and other GCC utility-scale solar plants.
Heavy Industry MENA
Industrial substation transformers for EGA aluminium smelters, steel mills, cement plants and water-desalination complexes.
Frequently Asked Questions
Related engineering tools
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Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.
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