This paper focuses on using UML (Unified Modeling Language) to establish the model of fault recorder device and how to realize the UML model on embedded system.

• 本文在分析电力系统故障录波装置和嵌入式系统的基础上，引入面向对象建模思想，运用统一建模语言(UML)，建立电力系统录波装置的UML模型；