Dynamic Finite Element Model Updating for On-load Tap Changer based on Super-model

被引：1
|
作者：
Liu, Zhiyuan [1 ]
Zou, Hongseng [1 ]
Miao, Hui [2 ]
Chen, Dapeng [3 ]
Guo, Lin [4 ]
机构：
[1] State Grid Ningxia Elect Power Co Ltd Maintenance, Yinchuan 750000, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Nanjing 210016, Peoples R China
[3] Nanjing Unitech Elect Power Co Ltd, Nanjing 211100, Jiangsu, Peoples R China
[4] State Grid Chongqing Elect Power Co, Chongqing 400015, Peoples R China
来源：
THE 5TH INTERNATIONAL CONFERENCE ON MECHATRONICS AND MECHANICAL ENGINEERING (ICMME 2018) | 2019年 / 256卷
关键词：
D O I：
10.1051/matecconf/201925604001
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A method is presented for dynamic model updating of on-load tap changer ( OLTC). Based on a sensitivity-based optimization method, the initial simplified finite element ( FE) model of OLTC component is updated using the analytical results of the FE super-model. The objective of model updating is to reduce the frequency difference between the simplified FE model and the super-model, and to make the simplified model accurately represent dynamic characteristics of the super-model. The updated simplified models can be further used in the modeling and analysis of the whole OLTC model. The results, taking the base of OLTC as example, indicate that the dynamic behavior of the updated simplified model match well with that of the super-model. Subsequently, the dynamic behavior of OLTC assembled with the updated parts is further predicted by modal analysis. The presented method improves the calculation efficiency, as well as accuracy, which has broad application prospects for dynamic prediction of complex structures in engineering.
引用
收藏
页数：7
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