中文摘要：

220 kV变电站配电装置选型在很大程度上影响工程造价及后期运维。GIS方案具有比AIS方案更多的技术优势,但设备费用较高。以安徽省地质条件为例,系统论证了设备价格、土地价格、地质条件等重要影响因素变化时,220 kV配电装置选型决策临界点的变化情况,并给出了变电站配电装置选型推荐方案。

英文摘要：

The distribution equipment selection has a power influence on the project cost and the operation and maintenance at a later stage for 220 kV substation. The GIS scheme has some technical advantages over the AIS scheme, but the equipment cost of which is higher. The paper demonstrates the change in decision threshold of 220 kV power distribution equipment selection when key influencers change such as the equipment cost, land price and geological condition, and recommends the proposal to the substation about the distribution equipment selection.