Verification has been performed to check the VVER-1200 NPP simulator installed at Nuclear training Center, VINATOM by comparing main parameters in nominal power operation with design data given in safety analysis report of VVER-1200/V392M as well as Ninh Thuan FSSAR. A good agreement was found between the VVER-1200 NPP simulator and VVER-1200/V392M. | Comparative analysis of reactor coolant pump coastdown transient using VVER-1200 NPP simulator