FAULT DIAGNOSIS AND DISPOSAL OF VIBRATION ON 1036 MW UNIT NO.2 IN HUANENG HAIMEN POWER PLANT

WANG Yanbo1; ZHANG Weijiang2 1.Xi'an Thermal Power Research Institute Co Ltd

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FAULT DIAGNOSIS AND DISPOSAL OF VIBRATION ON 1036 MW UNIT NO.2 IN HUANENG HAIMEN POWER PLANT

更新时间：2025-09-28

- FAULT DIAGNOSIS AND DISPOSAL OF VIBRATION ON 1036 MW UNIT NO.2 IN HUANENG HAIMEN POWER PLANT
- Thermal Power Generation Vol. 40, Issue 7, Pages: 62-66(2011)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能海门电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.3
- Published：2011
- 稿件说明：
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WANG Yanbo1, ZHANG Weijiang2 1.Xi'an Thermal Power Research Institute Co Ltd. FAULT DIAGNOSIS AND DISPOSAL OF VIBRATION ON 1036 MW UNIT NO.2 IN HUANENG HAIMEN POWER PLANT[J]. Thermal power generation, 2011, 40(7): 62-66.
DOI：

WANG Yanbo1, ZHANG Weijiang2 1.Xi'an Thermal Power Research Institute Co Ltd. FAULT DIAGNOSIS AND DISPOSAL OF VIBRATION ON 1036 MW UNIT NO.2 IN HUANENG HAIMEN POWER PLANT[J]. Thermal power generation, 2011, 40(7): 62-66. DOI：

摘要

针对华能海门电厂2号1 036MW机组试运行过程先后发生油膜涡动、动静碰摩、汽流激振及发电机转子轴振超标等问题

介绍了诊断过程和处理措施。中压转子突发低频振动为油膜涡动所致

动静碰摩造成转子热弯曲也是引起中压转子振幅增大的原因

而高压转子突发振动由汽流激振引起

发电机转子振动为转子轴颈与密封瓦浮动油档的碰摩及浮动油档卡涩所致。所采用的诊断方法和故障处理措施对同型机组的振动故障处理具有参考意义。

Abstract

In trial operation of 1036 MW unit no2 in Huaneng Haimen Power Plant

the oil film whirling

impact-rubbing between movable and stationary parts

steam flow excited vibration

as well as shaft vibration of generator's rotor exceeding the set standard etc.have successively appeared

the detailed diagnosis process and disposal measures being presented.The suddenly appeared low-frequency vibration of MP rotor is due to oil film whirling

the thermal bending of rotor resulted from impact-rubbing between movable and stationary parts is also the cause leading to increase of the vibration amplitude for MP rotor;the vibration of generator's rotor is resulted from impact-rubbing between the shaft-neck of rotor and the floating oil retainer

as well as unsmooth jamming between them.The adopted diagnosis and fault-disposing measures have reference value for vibration fault disposal on similar kind of untis.

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