Nuclear power plants have many types of equipment, dense structure, large plant area, and very complex cable channels. Considering the division and type of cables, cable design has been one of the most complicated tasks in power plant design. Shanghai Nuclear Engineering Research and Design Institute (SNERDI) uses Intergraph PDS system for power plant design, for the AP1000 and CAP series of projects, including equipment and raceway modeling, and use Shaw Cable Manager (SCM) system for cable laying. Cable design work involves multi-system data processing, though without a data integration platform based on 3D visualization. In this paper, a visual aided cable design system is built to display the design data and cable data in a unified 3D plant model, which realizes the visualization and integration of multi-system information, and improves reliability and efficiency of the design work. This method can be applied to a variety of design systems, and has good scalability.

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