Customer's 110kV power substations in the large data centers

摘要

This essay analyses the main construction requirements and technical key points of the 110kV substations' construction basing on the local power system planning and the actual requirements of data centers. Firstly, it provides solutions on the substations' overall power supply planning and layout requirements. Next the viewpoints on choosing reasonable electrical connection methods and main electrical power devices are discussed, including main the transformers, breakers and main buses. Meanwhile, since that the substations and data centers locate on the same site and they share a common earthling, the earthling requirements of power devices and cables are mentioned.