The paper develops a psasp-based interactive graphic package with user-friendly graphic user interface ( gui ) and visual database management system ( vdbms ) for power system analysis and transient stability assessment 本文开发了一套windows环境下基于psasp的电力系统分析及暂态稳定评估软件win-psasp,突出体现了用户界面的友好性和数据系统的易管理性。