1,10kV, S9 ,3 phase oil immersion power transformer 2,high efficiency,low loss 3,Low losses and Low ... Noise Describtation of the product:The three-phase oil-immersed distributing transformer applies new type insulating structure and makes short-circuit ... %or others in according to client needs;10)Cooling type: oil nature, oil cooling 10kV, S9 ,3 phase oil immersion power transformer