某核电厂应急柴油发电机转速波动原因分析及处理

Cause analysis and treatment of speed fluctuation of emergency diesel generator in a nuclear power plant

应急柴油发电机作为核电厂的后备电源,其安全可靠运行对厂内的核安全意义极其重大。调速系统是柴油发电机的重要配套装置,良好的调速系统对应急电源的安全稳定运行有着重要意义。通过介绍某核电厂应急柴油发电机调速系统,阐述在运行期间出现的转速波动案例,旨在对核电应急柴油机运维、设计等方面起到经验反馈的作用。

Emergency diesel generators are used as backup power sources for nuclear power plants.Its safe and reliable operation is of great significance to the nuclear safety in the plant.Speed regulation system is an important supporting device for diesel generators.Good speed regulation system is of great significance for the safe and stable operation of emergency power supply.This paper introduces the speed regulation system of the diesel generator,expounds the fault cases that occur during the operation,and aims to provide feedback on the operation and maintenance of nuclear power emergency diesel engine.