针对影响水轮机使用寿命与运行安全的气蚀和振动问题 ,从经济角度出发 ,用惩罚函数方法 ,有效地避开了机组的气蚀和振动区 .在水电站自动发电控制AGC中 ,为避免负荷调整时频繁通过气蚀和振动区 ,以及机组的频繁开停 ,将机组的安全运行区以虚拟机组形式加入电厂的AGC优化计算中 In view of the cavitation and vibration problems that affect the service life and operation safety of the turbine, from the economical point of view, the penalty function method is used to avoid the cavitation and vibration of the unit effectively.In order to avoid the load adjustment Frequent through the cavitation and vibration zone, as well as the unit frequently open and stop, the unit’s safe operating area in the form of virtual unit to join the power plant AGC optimization calculation