Transmission transformers
MEEPOWER’s core product line and among the market leaders for 110kV transformers in Vietnam. Two- or three-winding 35–225kV, 10–400MVA units with on-load tap changers for substations of EVN and industrial customers.
35 – 225kV10 – 400MVA
Technical data
- Voltage (kV)
- 35 – 225
- Rating (MVA)
- 10; 16; 25; 32; 40; 63; 80; 100; 125; 160; 200; 400
- Voltage regulation
- OLTC on HV side (±12% or ±16%) and MV side (±5% for three-winding units)
- MV voltage (kV)
- 10.5; 11.0; 15.75; 20; 24; 35; 38.5
- LV voltage (kV)
- 6.0; 6.3; 6.6; 10.0; 10.5; 11.0; 15.75; 20; 24; 38.5
- Cooling
- ONAN; ONAF; OFAF; ONAN/ONAF/OFAF
Applications
- 110kV and 220kV national grid substations
- Industrial parks, wind and solar farms
Proven track record
197units in service at 160 sites (to end-2025)
- 63MVA × 110
- 40MVA × 73
- 25MVA × 8
- 16MVA × 3
Recent sites
- MBA dự phòng EVNNPC63MVA · 2026
- TBA 110kV Bảo Minh63MVA · 2026
- TBA 110kV Cao Lộc40MVA · 2026
- TBA 110kV Thạch Thành40MVA · 2026
- TBA 110kV Tiên Yên40MVA · 2026
- TBA 110kV Vips 663MVA · 2026
- TBA 110kV Yên Bình 1063MVA · 2026
- MBA dự phòng EVNSPC63MVA · 2026
Featured projects
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MEEPOWER marks a milestone: designing, building, installing and energizing a 220kV–250MVA transformer
16 October 2025 became a historic day for MEEPOWER as the company designed, manufactured, installed and energized its own 220kV–250MVA transformer at Binh Tan substation.
110kV substation of GELEX 3 wind farm energized
DONGANHMEE designed, built and energized two 63MVA–110kV transformers at GELEX 3 wind farm in Huong Hoa, Quang Tri.
Nam Ban hydropower 110kV substation
Supply, transport and installation of 110kV substation equipment connecting the Nam Ban 2 and 3 hydropower cluster to the national grid.
