Huimao Electric
Oil Transformers
Hermetically Sealed Oil-Immersed Transformer (S11–S22 series)
Fully sealed oil-immersed distribution transformer with no oil contact to air, for low maintenance and long life. 10 / 20 / 35 kV.
On-Load Tap-Changing Oil-Immersed Transformer (SZ series)
Oil-immersed transformer with an on-load tap changer for continuous voltage regulation under load. 10 / 20 / 35 kV.
Off-Circuit Tap-Changing Oil-Immersed Transformer (S11–S22 series)
Standard oil-immersed distribution transformer with off-circuit tap changing for seasonal voltage adjustment. 10 / 20 / 35 kV.
Amorphous-Alloy Oil-Immersed Transformer (S(B)H15 series)
Oil-immersed distribution transformer with an amorphous-alloy core for very low no-load loss. 10 / 20 kV.
3D Wound-Core Oil-Immersed Transformer (S13/S15-M.RL series)
Sealed oil-immersed transformer on a triangular 3D wound core for balanced phases and low loss. 10 / 20 kV.