Through analysis of characteristics and differences of the secondary circuit between smart substa-tion and integrated automation substation, the paper combines actual needs of operation and maintenance work and puts forward the functional requirement of smart substation secondary circuit visualization; more-over, it proposes some suggestions to improve the visualization tools in accordance with problems in the smart substation secondary circuit visualization tools.%通过分析智能和综合自动化变电站二次回路的特点和异同,结合运行、检修工作的实际要求,提出了智能变电站二次回路可视化的功能需求,并根据现行智能变电站二次回路可视化工具存在的问题,提出了可视化工具的改进建议。
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