Development of the Digitalized Automatic Seismic Trip System for Nuclear Power Plants Using the Systems Engineering Approach

다국어 초록 (Multilingual Abstract)

The automatic seismic trip system (ASTS) continuously monitors PGA (peak ground acceleration) from the seismic wave,and automatically generates a trip signal. This work presents how the system can be designed by using a systems engineeringapproach under the given regulatory criteria. Overall design stages, from the needs analysis to design verification, have beenexecuted under the defined processes and activities. Moreover, this work contributes two significant design areas fordigitalized ASTS. These are firstly, how to categorize the ASTS if the ASTS has a backed up function of the manual reactortrip, and secondly, how to set the requirements using the given design practices either in overseas ASTS design or similardesign. In addition, the methodology for determining the setpoint can be applied to the I&C design and development projectwhich needs to justify the error sources correctly. The systematic approach that has been developed and realized in this workcan be utilized in designing new I&C (instrument and control system) as well.

참고문헌 (Reference)

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