200MW汽轮机挂闸后无法保持的故障处理

华电技术 ›› 2010, Vol. 32 ›› Issue (6): 17-21.

200MW汽轮机挂闸后无法保持的故障处理

马素媛

郑州市郑东新区热电有限公司，河南郑州451464

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-06-25 发布日期:2010-06-25

Fault treatment of unable keeping latchon state after latch operation of 200MW turbine

MA Suyuan

Zhengzhou Zhengdong New District Heat and Power Corporation Limited, Zhengzhou 451464, China

Received:1900-01-01 Revised:1900-01-01 Online:2010-06-25 Published:2010-06-25

摘要/Abstract

摘要： 东方汽轮机厂200MW汽轮机遮断系统采用的是较为成熟的高压遮断模块和低压遮断模块并行的系统。郑州市郑东新区热电有限公司 #2机组在调试过程中，一开始频频挂不上闸，能挂上闸后，却无法保持挂闸状态而自动跳闸。针对这一故障进行了深入的分析和探讨，最终解决了该问题。

关键词: 挂闸, 危急遮断滑阀, 排油口

Abstract: In the emergency tripping system of the 200MW steam turbine manufactured by the Dongfang Turbine, the more mature highpressure tripping module and lowpressure tripping module were adopted. However, in commissioning process of the unit No.2 of the Zhengzhou Zhengdong New District Heat and Power Corporation Limited, at the start, the turbine could not latched repeatedly; and after latched, the system was unable to keep the latchon state. The fault was analyzed and researched in depth, and the problem was solved finally.

Key words: latch, emergency trip slide valve, oil drainage port

马素媛. 200MW汽轮机挂闸后无法保持的故障处理[J]. 华电技术, 2010, 32(6): 17-21.

MA Suyuan. Fault treatment of unable keeping latchon state after latch operation of 200MW turbine[J]. Huadian Technology, 2010, 32(6): 17-21.

[1]	舒永辉. 调节保安系统故障引发的误停机事故分析[J]. 华电技术, 2017, 39(5): 44-49.
[2]	董启盛，颜云. 调节保安系统远方不能挂闸的故障处理[J]. 华电技术, 2013, 35(6): 61-62.
[3]	崔彦亭;杨绍瑄;王清. 挂闸电磁阀故障引起的汽轮机系统挂闸异常分析[J]. 华电技术, 2012, 34(6): 56-57.
[4]	赵玉柱;王章生;徐厚达. 给水泵汽轮机调速系统的改造及优化运行[J]. 华电技术, 2011, 33(2): 30-32.