Urban power network planning is fundamental to power system development planning as well as to city planning. The spatial distribution of transformer substations is a major work of urban power network planning. Relying on the strong abilities of Geographic Information System (GIS) in data processing and spatial analysis, it provides an optimized location-selection mode for power facilities. With GIS and the improved location-selection mode, this paper puts forward a complete calculation method for the spatial distribution of transformer substations. With this calculation method, the planning work and the power industry management can be combined properly. The contradictive "station group" can also be effectively avoided in the construction of transformer substations.%城市电网规划既是电力系统发展规划的基本内容之一,也是城市规划的重要组成部分.其中,变电站空间布局是城市电网规划的主要内容之一.地理信息系统(GIS)强大的数据处理与分析功能为电力设施科学规划选址提供了可能.本文利用GIS空间分析技术,结合经改良的变电站选址模型,提出了一套较完整的变电站空间布局计算方法.采用该方法,在变电站建设时可以有效避免“站群”矛盾,避免规划与电力行业管理相脱节等问题.
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