Simulation test system and test method of nuclear power station safety level DCS system

Abstract

The invention belongs to the technical field of nuclear power station digital instrument control system debugging. The invention particularly relates to a simulation test system and test method of a nuclear power station safety level DCS system. The system comprises a man-machine interface, an input simulation module, an output simulation module, a simulation operation environment database moduleand a plurality of logic processors, the input simulation module is connected between the input end of the simulation operation environment database module and the man-machine interface, and the output simulation module is connected between the output end of the simulation operation environment database module and the man-machine interface; and the simulation operation environment database moduleis also connected with the plurality of logic processors. According to the method, the simulation test of the dynamic working condition of the safety-level DCS system is established during nuclear power station debugging, any hardware facility does not need to be introduced, the field manpower and material cost is reduced, and the debugging efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of debugging of a digital instrument control system of a nuclear power plant, and in particular relates to a simulation test system and a test method of a safety-level DCS system of a nuclear power plant. Background technique [0002] As the core nervous system of reactor protection, the safety-level digital instrument and control system of nuclear power plants is responsible for automatically performing safety functions such as controlling reactivity, ensuring core cooling, and preventing radioactive material leakage. It is the core system for preventing nuclear safety accidents. [0003] The digital instrument control system (also called DCS system) is a product of a high degree of integration of computer technology, control technology and network technology. The safety-level DCS system of nuclear power plants is usually equipped with 4 redundant channels. exchange. The safety-level DCS system receives th...

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Problems solved by technology

[0008] The purpose of the patent of the present invention is to design a simulation test system and test method for a safety-level DCS system of a nuclear power plant, which is used to solve the problem in the prior art that the safety-level DCS system cannot establish a dynamic operating condition during the commissioning of a nuclear power plant, and cannot be simulated according to the commissioning requirements. Technical problems of process conditions and process testing

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