Abstract:The paper designed a small rapid power reduction system (SRPRS) based on gray control rods for pressurized nuclear power plants, and technical scheme of SRPRS was proposed in the paper. Different to current RPRS for turbine trip, SRPRS was designed for feed water pump trip. When one FWP happened, partial of gray banks dropped into the reactor core to reduce the core power, and reactor trip due to power mismatch between primary and secondary sides would be avoided. The paper researched the basic principles of S… Show more
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