灯泡贯流式水轮机防飞逸措施对比研究

The research for the anti-runaway measures of Bulb tubular turbine

灯泡贯流机组由于其结构的特殊性,转动惯量一般较小,防飞逸措施与常规机组不同。对采用贯流式机组的电站,一般采用重锤关闭阀在事故时关机,以保证操作的可靠、快速,防止飞逸。重锤关机装置有多种形式,各有特点。本文介绍了组合式重锤卸荷阀的工作原理及在贯流式机组电站中的应用,可以在类似电站工程的建设和设计中借鉴和推广。

The anti-runaway measures for bulb turbine units is different, duet to its unique structure, the mo-ment of inertia small. For Hydropower station with Tubular turbine units, a hammer valve is used to shut down when the accident happened, which ensure the operation reliable, fast, and prevent it runawa The hammer shut down devices has many forms, and have their own characteristics. This article describes the work prinei-aple of a modular hammer unloading valve, and its applications in power plants with the tubular turbine units. It can provides references for the construction and design of similar power plant projects.