Power supply system and power supply method

The invention provides a power supply system and a power supply method. The power supply system is used for supplying power to loads of multiple data centers. The data center comprises two input ends.The power supply system is characterized in that the power supply system comprises a plurality of power supply circuits corresponding to the data centers in number, each power supply circuit comprises an input end and two output ends, the input end of each power supply circuit is connected with different power supply energy sources, and two output ends of each power supply circuit are connected with the input ends of the different data centers. 本说明书提供一种供电系统及供电方法，供电系统用于对多个数据中心的负载供电，所述数据中心包括两个输入端，其特征在于，所述供电系统包括：与所述数据中心数量对应的多个供电电路，所述供电电路包括一个输入端和两个输出端，每个所述供电电路的输入端与不同的供电能源连接，所述供电电路的两个输出端与不同数据中心的输入端连接。