Oil Immersed Power Distribution Transformer 1.voltage transformer 30-2500KVA 2.S9,SCB 35KV,10KV,11KV/415V,400V TECHNICAL PARAMETERS:1) Rated Power: 30 ... )Vector group: Dyn11, Yyn0 or others;7)Short circuit impedance: 4%, 4.5% ,6% or others in accordance to client needs;8 ... )Tapping voltage regulation type: off-load or on-load;9)Tapping range: +/-2*2.5% / 5%or others ...