Abstract
An information display system for start-up and shut-down operation of a commercial BWR power plant has been designed for application to a prototype CRT-based operators console having three CRTs. Problems in designing the display system include determining the process variables to be displayed for each period of the plant operation, and selecting the display formats. Variables to be displayed have been chosen on the basis of work analysis of the plant operation, in the form of an operational sequence diagram. The variables have been assigned to nineteen display formats, after consideration of accessibility requirements and the number of times display pictures must be exchanged. Design criteria of the display formats have also been derived from the work analysis, by observing the operator's manner of monitoring process variables for each operational period. The information display system designed has been evaluated by simulational tests. It has been concluded that the nineteen display formats are sufficient for operators to start-up and shut-down a 460MWe class BWR power plant.
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