Evaluation of fatigue damage of turbine generator shafting caused by torsional vibration

WENG Jianming; XU Yunke; ZHAO Pengcheng; SHA Wanli; HE Xinyou

doi:10.19666/j.rlfd.201907164

English Version Reader LoginJournal Login

您当前的位置：

首页 >

文章列表页 >

Evaluation of fatigue damage of turbine generator shafting caused by torsional vibration

更新时间：2025-09-28

- Evaluation of fatigue damage of turbine generator shafting caused by torsional vibration
- Thermal Power Generation Vol. 49, Issue 1, Pages: 91-97(2020)
- 作者机构：
  
  1. 浙江浙能嘉华发电有限公司
  2. 华北电力大学能源动力与机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201907164
  CLC： TK268+.1
- Published Online：31 December 2019，
  
  Published：2020
- 稿件说明：
移动端阅览
WENG Jianming, XU Yunke, ZHAO Pengcheng, et al. Evaluation of fatigue damage of turbine generator shafting caused by torsional vibration[J]. Thermal power generation, 2020, 49(1): 91-97.
DOI：

WENG Jianming, XU Yunke, ZHAO Pengcheng, et al. Evaluation of fatigue damage of turbine generator shafting caused by torsional vibration[J]. Thermal power generation, 2020, 49(1): 91-97. DOI： 10.19666/j.rlfd.201907164.

摘要

传统PSCAD/EMTDC仿真中轴系采用简单集中质量模型

难以准确描述轴系扭振特性

并且无法获取局部动态响应过程。本文在PSCAD仿真中建立了轴系的多段集中质量模型模块

更加准确仿真机网耦合振荡过程并获得局部扭应力响应;建立联轴器的有限元模型

对于不同工况下螺栓和螺孔的受力情况进行分析。结果表明

对轴系疲劳分析过程中的SN曲线进行修正

可以使得最终疲劳损伤评估计算结果更加准确。

Abstract

In conventional torsional vibration simulation study by PSCAD/EMTDC

the simplified lumped massspring shaft model is adopted

but it is difficult to describe the torsional vibration characteristics of the shafting system and the detailed dynamic information of the shaft can hardly be obtained. In this paper

to remedy such a simulation

the multi-segment centralized mass model module of shafting is established in PSCAD simulation

which can more accurately simulate the torsional interaction oscillation of the machine network and obtain the local torsional stress response. In addition

the finite element model of coupling is built to analyze the torsional force of the bolts and screw hole. The results show that

correcting the S-N curves during the shafting system fatigue analysis can make the final fatigue damage assessment and calculation results more accurate.

关键词

Keywords

references

Views

169

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

OPTIMAL TEMPERATURE RISE RATE IN THE COLD START-UP PROCESS OF STEAM TURBINES

On-line torsional vibration fatigue analysis method for turbine-generator shafts during sub-synchronous oscillation

Safety analysis for torsional vibration during variable frequency conversion of feed water pump

Torsional vibration characteristics of double-feed wind turbine shafting

Fatigue damage assessment of wind turbine based on dynamic wake meandering model

Related Author

BAI YunChangsha University of Science &Technology

YANG Ji-ming

LI Ming

GU Yujiong

JIN Tiezheng

YANG Kun

HE Qingqiong

NIE Shenbin

Related Institution

Changsha University of Science and Technology

Shenhua Guohua Electric Power Research Institute Co., Ltd

Suzhou Thermal Power Research Institute Co., Ltd

China Huaneng Group Clean Energy Technology Research Institute Co., Ltd

State Key Laboratory of Clean Energy Utilization, Zhejiang University

AI问答

⁰