提出了一种水轮发电机组计算机监控实时仿真系统构建方案。通过对水轮发电机组及其辅助设备进行数字仿真，再结合监控层的应用软件及硬件，构成混合仿真系统，实现了计算机监控系统对水轮发电机组一系列动态过程监控的实时仿真。A scheme of real-time simulation system of supervisory for hydroelectric generating units is proposed. The compositional simulation system is constituted by digital simulation to hydroelectric generating units and its auxiliary equipment with combining the software and hardware applied in the layer of supervisory. Series of dynamic processes of supervisory to hydroelectric generating units are simulated real-time in this system.