广东大亚湾核电站汽机主汽门和调速汽门的启闭和调节采用液动操作装置 ,所用液体为磷酸酯抗燃油 ,由汽机调节油系统供给。该系统同时配备一套抗燃油处理装置。电站自 1994年投运后的 3年多期间 ,调速系统一直很稳定 ,但 1997年后 ,抗燃油出现酸值偏高的问题 ,特别是一号机组 ,? Guangdong Daya Bay nuclear power plant steam turbine main steam door and speed control valve opening and closing the use of hydraulic operating device, the liquid used for the phosphate ester anti-fuel oil, steam turbine oil supply system. The system is also equipped with a set of anti-fuel treatment device. During the more than three years after the power station was put into operation in 1994, the speed governing system has been very stable. However, after 1997, there was a problem of high acid value of the anti-fuel oil, especially Unit One.