Oil Immersed Power Distribution Transformer 1.voltage transformer 30-2500KVA 2.S9,SCB 35KV,10KV,11KV/415V,400V ... ;7)Short circuit impedance: 4%, 4.5% ,6% or others in accordance to client needs;8)Tapping voltage regulation type: off ... -load;9)Tapping range: +/-2*2.5% / 5%or others in according to client needs;10)Cooling type: oil nature, oil cooling