200 kVA 33kV Three-Phase Oil-Immersed Distribution Transformer

Technical Parameters & Ratings
IEC / ANSI Certified
Factory Standard
Rated Capacity 200 kVA
Primary Voltage (U1) 33,000 V (33 kV)
Secondary Voltage (U2) 415 V / 240 V (3-Phase 4-Wire)
Vector Group Dyn11
Rated Frequency 50 Hz
Cooling Method ONAN (Oil Natural Air Natural)
Primary Current (I1) 3.5 A
Secondary Current (I2) 278.3 A
Guaranteed No-Load Loss (P0) 340 W
Guaranteed Load Loss (Pk at 75°C) 2300 W
Short-Circuit Impedance (Uk) 4.0%
HV Insulation Level LI 170 / AC 70 (33kV Class)
Temperature Rise Limits Top Oil ≤ 50K, Winding ≤ 55K (45°C Ambient)
Creepage Distance ≥ 31 mm/kV (Outdoor Tropicalized Porcelain)
Core & Coil Weight 480 kg
Insulating Oil Weight 320 kg
Total Assembled Weight 950 kg
Overall Footprint (L×W×H) 1150 mm × 800 mm × 1350 mm
Governing Standards IEC 60076, BS 171, SON NIS, NERC Code
Application Scenarios
Rural utility distribution network feeders
Industrial and mining site power supply
Infrastructure and EPC contractor projects in Africa and MENA
Renewable energy grid connection at voltage class
Key Features
200 kVA rated capacity for rural utility and distribution network applications
class design suited for Africa, MENA, and IEC-standard grid markets
Oil-immersed ONAN structure for stable thermal performance in outdoor environments
Copper or aluminum winding options available to suit project budget requirements
Off-circuit tap changer with +/-2 x 2.5% or +/-5% range as standard