225 kVA Three Phase Pad Mounted Transformer Dead-Front Loop / Radial Feed Bay-O-Net Fuse Oil-Filled Copper Windings
Product Overview The 225 kVA Three Phase Pad Mounted Transformer is a compact, fully enclosed oil-filled distribution transformer designed for underground power distribution systems. Built with dead-front safety design, it ensures maximum protection for operators and the public. This model supports ...
225 kVA pad mounted transformer
,three phase transformer with copper windings
,oil-filled dead-front loop transformer
The 225 kVA Three Phase Pad Mounted Transformer is a compact, fully enclosed oil-filled distribution transformer designed for underground power distribution systems. Built with dead-front safety design, it ensures maximum protection for operators and the public.
This model supports both loop feed and radial feed configurations, making it highly flexible for different grid structures. With copper windings and high-quality insulation oil, it delivers superior efficiency, durability, and long service life.
Ideal for utilities, industrial plants, and renewable energy applications requiring reliable medium-voltage distribution.
- No exposed live parts
- Fully enclosed and tamper-resistant
- Lockable HV & LV compartments
Safe for public and urban installations
- Loop Feed: Ensures continuous power supply
- Radial Feed: Simple and cost-effective solution
Suitable for different grid topologies
- Internal primary protection system
- Easy replacement without removing oil
- Combined with backup current-limiting fuse
Enhanced system safety and reliability
- 100% copper conductors
- Lower losses and better thermal performance
Higher efficiency and longer lifespan
- Natural oil cooling (ONAN)
- Excellent heat dissipation
- Stable operation under heavy load
| Parameter | Specification |
|---|---|
| Rated Power | 225 kVA |
| Phase | Three Phase |
| Primary Voltage | 11 kV / 13.8 kV / 15 kV (customizable) |
| Secondary Voltage | 400V / 415V / 480V (customizable) |
| Frequency | 50 / 60 Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Medium | Mineral Oil |
| Winding Material | Copper |
| Vector Group | Dyn11 (or as required) |
| Impedance | 4% – 6% |
| Standard | ANSI / IEEE |
- Underground distribution networks
- Residential communities
- Commercial complexes
Safe installation with no exposed components
- Factories and manufacturing plants
- Mining and processing industries
Stable power supply for continuous operation
- Solar PV plants
- Battery energy storage systems (BESS)
Used for step-up or step-down voltage conversion
- Hospitals
- Data centers
- Shopping malls
Reliable and safe power distribution in populated areas
- Africa / coastal regions
- High temperature and high humidity areas
Anti-corrosion and sealed design ensures durability
- Sealed oil tank
- Three-phase core and copper windings
- High-voltage compartment (dead-front)
- Low-voltage compartment
- Bay-O-Net fuse + backup fuse
- Load break switch (optional)
- Oil level indicator & pressure relief valve
- Stainless steel cabinet (corrosion-resistant)
- FR3 biodegradable insulating oil
- Load Break Switch (LBS)
- Vacuum Fault Interrupter (VFI)
- SCADA monitoring system
- High altitude / high temperature design
Each unit undergoes full Factory Acceptance Testing (FAT):
- No-load & load loss test
- Insulation resistance test
- Temperature rise test
- Oil dielectric
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