小型水轮发电机在小网运行中发电机保护问题的探讨

Protection of Small Hydro-generator in Operation of Small Power Grid

详细介绍下福水电厂水轮发电机保护动作的情况以及针对小网运行工况所作的保护动作出口的调整、复压过流保护误动的原因及解决方案,通过处理,在一定程度上提高了发电机组的经济运行指标。

This paper in t roduces in detail the protection action of hydro-generator of Xiafu Hydropower Plant,adjustment of tripping protection during operation of small power grid,and causes and solutions of malfunction of compound voltage over-current protection.The economic operation indicators of generating units are improved to a certain extent after treatment.