The utility model provides an anti short circuit ability dynamic evaluation simulation model device of current transformer, the device is including three winding main transformer, generating line, switch and current transformer, line1 generating line and line2 generating line are connected respectively to two three winding main transformer high -pressure sides, brk1 switch, brk3 switch and brk5 switch are connected respectively to the switch of main transformer T1's three sides of high, medium and low pressure, brk2 switch, brk4 switch and brk6 switch are connected respectively to the switch of main transformer T2's three sides of high, medium and low pressure, two transformer T1 and T2's middling pressure side is connection bus bus1 and generating line bus2 respectively, the low tension side is connection bus bus3 and generating line bus4 respectively, wherein generating line bus1 and generating line bus2 connect operation side by side through female switch brk7 that allies oneself with, and generating line bus3 and generating line bus4 connect operation side by side through female switch brk8 that allies oneself with. The utility model discloses dynamic model is built through combining with simulation work station and RTDS emulation ware to dynamic evaluation simulation model device, has realized current transformer's digital movable mould test.