This paper analyzed and researched the design standards,design features and design methods of solar photovoltaic system,combining with the actual case of grid connected photovoltaic system project of a gymnasium roof,elaborated the influence of photovoltaic component,inverter selection,photovoltaic array azimuth,inclination angle,installation distance of roof grid connected photovoltaic system to photovoltaic power generation system,provided reference for future similar design.%分析研究了太阳能光伏系统的设计标准、设计特点及设计方法，结合某体育馆屋顶并网光伏系统项目的实际案例，阐述了屋顶并网光伏系统光伏组件、逆变器的选择；光伏阵列方位角、倾斜角、安装间距对光伏发电系统的影响，为今后的类似设计提供参考依据。
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