Nuclear power station plant power system

The invention is applicable to the technical field of nuclear power station power generation systems, and provides a nuclear power station plant power system which comprises a plurality of power generation systems, and each power generation system comprises a generator set, a set voltage transformation unit, a split transformer, an emergency power generation unit, a bus unit and power utilizationequipment. Wherein the generator set is connected with the bus unit through the set voltage transformation unit, the emergency power generation unit is connected with the bus unit, and the bus unit isconnected with electric equipment; a generator set in the first power generation system is connected with a bus unit in the second power generation system through a split transformer; wherein the first power generation system is any one of the power generation systems, and the second power generation system is any one of the power generation systems except the first power generation system. The problem that a main power s