Taking the middle school as an example,starting from aspects of power supply source,distribution station,power generation plant set-ting,power metering device and major equipment selection,the paper describes the power supply-distribution system design contents and points of the middle school,and studies the design of low-voltage power distribution system,meet the design demands for the power distribution system of primary and middle schools.%以某中学为例，从供电电源、变电所及发电机房设置、电能计量装置、主要设备选型等方面入手，阐述了该学校供配电系统设计的内容及要点，并对低压配电系统的设计进行了研究，满足了中小学建筑供配电系统的设计要求。
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