The system simulation theory applied in training simulator for substation is introduced. Based on the current development of domestic training simulator for substation, this paper systematically analyzes the functions of simulation supporting platform for substation, and then proposes some design methods, such as the hierarchical model and the storage with the chained list structure, which makes the graphic system reusable, opening and extensible. A evaluate formula which meets the objects of training is put forward through the analyses of patrol training items. Aimed at the defect of simulation supporting system development in the past, this paper introduces a design base on chained list structure thought to build primary connection chart taking on topological structure,and lays emphasis on design principles and implement method.
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