European box-type transformer substation

(1)high voltage room: Rated frequency:50HZ rated voltage:10 KV Max working voltage:12 KV Rated current:630 A Transfer current:1750 A Take over current:3150 A Rated short-time withstand current:20 KA Rated peak with stand current:50 KA power-frequency withstand voltage: -line-to-line and ine-to-ground:42KV -fracture:48KV lightning impulse: -line-to-line and ine-to-ground:75KV -fracture:85KV Rated short-circuit breaking current :31.5KA transformer capacity:2500KVA (2)voltage transformer: rated voltage:10 KV rated capacity:50-600 KVA tapping range:±2×2.5%、±5% connection symbol:Yyn0、Dyn11 impedance voltage:4.5V (3)low voltage room: rated voltage:220、380 KV rated current of main circuit :50～4000 A branch circuit:5～800 A rated short-time withstand current of main circuit :50 KA rated peak with stand current of main circuit:63 KA (4)Shell: IP :IP33 Noise:≤50 dB temperature rise:10K