MemoryChina 20/25 Mva 46 / 6.3 Kv 60Hz 3phases 2windings Power Transformer with Dga on Line Monitor System and Protection of Bushing Oltc Winding Oil Temperature IEC61850, Find details about China Power Transformer, Substatio Transfromer from 20/25 Mva 46 / 6.3 Kv 60Hz 3phases 2windings Power Transformer with Dga on Line Monitor System and Protection of Bushing Oltc Winding Oil Temperature IEC61850