(1)采用文件方式保存所有元件信息 (2)可以通过程序界面在电网中加入或者修改元件并保存到文件；(3)每个元件必须包含：元件ID、元件名、元件类型、所属区域（如果是支路还需记录其支路电压）；(4)能够按区域或者元件类型分类显示所有元件；(5)当某个元件发生故障或者断开某个刀闸时，列出受其影响无法工作的负-(1) A way to save the file information of all components　(2) in the power grid through the program interface to add or modify components and save to file　(3) Each component must include: component ID, component name, component type, of their own districts (if it is needed to record the branch voltage branch)　(4) can be classified by region or type of display elements of all components　(5) When a component fails or disconnects a knife, the listed subject to its a negative impact not work