Generator step-up transformers
35–225kV, 10–400MVA step-up transformers for hydro, thermal and renewable power plants, with off-load or on-load tap changers. MEEPOWER took part in successfully energizing the generating units of Xekaman 3 hydropower plant (Laos).
35 – 225kV10 – 400MVA
Technical data
- Voltage (kV)
- 35 – 225
- Rating (MVA)
- 10 – 400
- Voltage regulation
- OCTC or OLTC
- LV voltage (kV)
- 6.3; 6.6; 10.5; 11.0; 15.75; 20; 24; 38.5
- Cooling
- ONAN; ONAF; OFAF; OFWF; ONAN/ONAF/OFAF
Applications
- Hydro and thermal power plants
- Wind and solar farms
Proven track record
38units in service at 29 sites (to end-2025)
- 63MVA × 10
- 40MVA × 5
- 25MVA × 4
- 20MVA × 2
Recent sites
- NM điện sinh khối Tuyên Quang63MVA · 2026
- NM điện sinh khối Yên Bái63MVA · 2026
- NMTĐ Nà An21MVA · 2026
- NMTĐ Nậm Be37MVA · 2026
- NMĐG Hướng Phùng40MVA · 2025
- NMĐMT Đức Huệ 263MVA · 2025
- NM điện rác Hậu Giang12.5MVA · 2024
- NMTĐ Thượng Nam Vao14MVA · 2024
Featured projects
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Unit 2 of Xekaman 3 hydropower plant energized
At Xekaman 3 hydropower plant in Sekong province, Laos, DONGANHMEE worked with Xekaman 3 Power Co., Ltd. to put generating unit 2 back into service.
Unit 1 of Xekaman 3 hydropower plant energized
At Xekaman 3 hydropower plant in Sekong province, Laos, DONGANHMEE worked with Xekaman 3 Power Co., Ltd. to put generating unit 1 back into service.
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.
