:水电厂设备可靠性对电力系统安全稳定运行起重要作用,使用水电厂设备可靠性综合评估软件分析水电厂的历史可靠性数据,为管理人员合理安排电气设备检修提供了参考依据. 关键词:数据库;可靠性;水电设备 ent of hydropower devices reliability assessment software SH AN Y ong ,D IN G J ian -y ong,CA OH ao-jun (Schoolof E lectircalEn gineeirng,W uhanU niversity,W uhan4 30072,Ch ina) Abstract:Hy dropowerpl ants're ilabiiltyp layan im portantro lein p owersy stems.Byu singp owerpl ants'hi storicaler - liability data, reliability assessment system makes an analysis and evaluation for power plant and the reliability of its equipments and we can make the maintenance plan of power plant and its equipments. Keyw ords:da tabase;er liabiilty;h ydorpowerd evices