High-Performance Package Unit Transformers (5 MVA to 80 MVA)
Federal Power Transformers LLC (FPT) designs and manufactures premium oil-immersed Package Unit Transformers ranging from 5 MVA to 80 MVA with voltage ratings up to 132kV class. Specifically engineered for package substations and skid-mounted applications, these units provide rapid deployment capability for utility distribution grids, heavy industrial complexes, oil & gas fields, and infrastructure developments.
Built with robust base skids and compact structural design, our package unit transformers eliminate the need for complex site preparation or deep foundation engineering, enabling direct mounting onto concrete plinths or temporary site skids on short notice.
Key Technical Parameters & Specifications
| Power Rating | 5 MVA to 80 MVA |
|---|---|
| Voltage Class | 11kV up to 132kV Class |
| Reference Standards | IEC 60076, ANSI / IEEE C57, BS 171 |
| Operating Frequency | 50 Hz / 60 Hz |
| Cooling Designation | ONAN (Oil Natural Air Natural) / ONAF (Oil Natural Air Forced) |
| Construction Type | Free-Breathing with Dehydrating Breather or Hermetically Sealed |
| Installation Environment | Outdoor Base-Skid Mounted (Suitable for Extreme Climates & Desert Ambient Conditions) |
| Winding Material | High-Grade Electrolytic Copper / Aluminum |
| Tap Changer Options | On-Load Tap Changer (OLTC) / Off-Circuit Tap Changer (OCTC) |
Engineering Advantages & Custom Features
Our package unit transformers are engineered in our state-of-the-art climate-controlled facility in ICAD 1, Abu Dhabi, UAE. By combining advanced 3D CAD modeling with stringent quality testing, FPT guarantees long operational lifespans even under harsh ambient temperatures exceeding 55°C.
Rapid Deployment Skid
Integrated structural steel base skids allow easy transport, positioning, and direct plinth installation without requiring extended civil construction work.
Extreme Climate Resilience
Custom tank coating, high-grade insulation oils, and thermal design optimized for high ambient radiation, sandstorms, and coastal salinity.
Low Loss & High Efficiency
Manufactured using high-permeability grain-oriented silicon steel (CRGO) cores, minimizing no-load and load losses to optimize energy economy.
Smart Monitoring Ready
Equipped with temperature indicator sensors, Buchholz relays, pressure relief valves, and optional partial discharge / online monitoring interfaces.
Primary Industry Applications
- Package Substations: Integral step-down power units for 33kV and 11kV modular distribution substations.
- Oil & Gas Extraction: Reliable power supplies for remote drilling rigs, gas processing facilities, and petrochemical plants.
- Infrastructure & Utilities: Rapid expansion of city power distribution networks and temporary utility grid reinforcement.
- Renewable Integration: Step-up power connection for solar PV farms and hybrid power generation stations.
Quality Assurance & Compliance
Every Package Unit Transformer undergoes exhaustive routine and type testing at FPT's accredited testing laboratory prior to dispatch. Tests comply fully with IEC 60076 and ANSI standard requirements, including winding resistance measurement, voltage ratio & vector group verification, short-circuit impedance, dielectric withstand testing, and oil breakdown voltage verification.