Power - supply quality , environment protection , and electric de - regulation . meantime , geographic information system ( gis ) technology is developing rapidly . the gis data management method and its application in distribution network running and planning to meet the requirements of practical distribution should be studied and established , which have important academic and practical values to improve the reliability of distribution power - supply 随着电力系统的发展,面对密织的电网、时刻变化的负荷信息、不断变迁的道路及建筑和人们对供电质量、环保、电力市场化体制改革等问题的日益关注,以及在地理信息系统( geographicinformationsystem , gis )技术迅速发展的条件下,研究和建立适合于配电网实际应用的数据组织方法及在配网运行与规划中的应用,对于提高配网供电的可靠性具有重要的学术和实用意义。