大亚湾核电站发电机密封系统有关问题的原因分析及处理

Analysis and Trouble-shooting of Sealing Oil System of the Generator at Daya Bay Nuclear Power Station

大亚湾核电站为 2X980MW机组 ,2号发电机出现密封油泄漏而 1号发电机发生了密封瓦烧熔等问题。分析了发电机漏密封油和密封瓦烧熔的原因 ,并提出了处理措施。

For the two 980MW unites at Daya Bay nuclear power station, the leakage of sealing oil for generator was found in unit one and the sealing ring of the generator was burned in unit two.The reasons of leakage of generator sealing oil and the burning of the generator’s sealing ring were analyzed.a method was put forward to resolve those problems.