This paper elaborated the characteristics of super-tall building electricity design,from the load classification,power supply and voltage selection,transformer and distribution substation design,conductor selection and installation and other aspects,analyzed the key technology of super-tall building electrical design,so as to provide effective reference basis for electrical design personnel.%阐述了超高层建筑电气设计的特点，从负荷分级、供电电源和电压的选择、变电站和配电站的设计、导体的选择与敷设等方面入手，分析了超高层建筑电气设计的关键技术，以期为电气设计人员提供有效的参考依据。
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