接线模式的合理选择将有利于提升中压配电网的综合优化水平。在研究苏州地区电缆网接线模式的供电可靠性和经济性的基础上，提出了 3 种兼顾供电可靠性和经济性的电缆接线模式的选取方法 。(Reasonable selection of wiring mode will be conducive to improving the comprehensive optimization level of medium voltage distribution network. On the basis of studying the reliability and economy of power supply of cable network connection mode in Suzhou area, three selection methods of cable connection mode considering both reliability and economy of power supply are put forward.)