The digital power plant was defined from the aspect of full life cycle,and the concept of digital in-formation transfer was proposed,for the information isolated island phenomenon existing in timeline of the full life cycle of the digital power plant.Moreover,based on the KKS coding system of digital information transfer in digital power plants,a power plant digital information transfer platform was established to solve the information isolated island problem and realize the capabilities of mining data deeply,so that the utiliza-tion rate of information can be increased and the economic benefit and security of the unit operation in dig-ital power plant will be improved.%从全生命周期的角度定义数字化电厂，并针对数字化电厂在全生命周期时间轴上存在的信息孤岛现象，提出了数字化移交概念，以数字化移交电厂标识系统(KKS)编码体系为基础，建立了电厂数字化移交平台，深度挖掘数据功能，增加电厂信息的有效利用率，解决了全生命周期数字化电厂的信息孤岛问题，提高了数字化电厂整体运行的经济性与安全性。
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