... 4.Low no-load loss Specifications35KV oil immersed power transformer,fine design, low PD and loss, no maintenance, ... oil immersed transformer, TypeVoltage combination (kV)ConnectionSymbolNo-load loss(kW)Load loss(kW)No-load current(%)Impedance(%)OutlineDimension( ... 31030.35510037104180S11-31500/3525.31220.353004400450035kV SZ9 series three-phase double-winding r 35KV oil immersed power transformer