This article introduces a new computer aided analysis system in high power laboratory. It contains the functions of the management of operation note for test, the management of main circuit drawing and the numerical simulation as well as LAN etc. 介绍了大容量实验室发电机系统新建立的计算机辅助分析系统,它包括试验操作票管理,试验回路图管理,模拟计算及网络等功能。