Dynamic Deformation Analysis of Power Transformer Windings in Short-Circuit Fault by FEM

2014 ◽  
Vol 24 (3) ◽  
pp. 1-4 ◽  
Author(s):  
Haijun Zhang ◽  
Bin Yang ◽  
Weijie Xu ◽  
Shuhong Wang ◽  
Guolin Wang ◽  
...  
Keyword(s):  
Dynamic Deformation ◽  
Power Transformer ◽  
Short Circuit ◽  
Deformation Analysis ◽  
Short Circuit Fault

Simulation of Power Transformer Windings Displacement Caused by Multiple Short-Circuit Forces

2012 ◽  
Vol 268-270 ◽  
pp. 1341-1344
Author(s):  
Hong Kui Li
Keyword(s):  
Power Transformer ◽  
Short Circuit ◽  
Deformation Analysis ◽  
Theoretical Formula ◽  
Cumulative Impact ◽  
Elastic Plastic ◽  
Transformer Winding ◽  
Short Circuits ◽  
The Stability ◽  
The Impact

This research studies the displacement on the windings of transformer due to multiple short-circuit forces. The power transformer winding deformations cumulative impact of multiple short-circuits are studied. the cumulative impact of multiple short-circuit deformation of laminated cylindrical shell with stiffeners model is established, the impact of accumulated deformation of multiple short-circuit of transformer winding is calculated with large deformation elastic-plastic theory , the text introduced by the theoretical formula for power transformer windings of the elastic-plastic deformation analysis of and winding to determine the stability have great significance, To verify the computation results, they are compared with those obtained using ANSYS software simulation.

scholarly journals The effect of short circuit fault on one winding to other windings in FRA

2019 ◽  
Vol 10 (2) ◽  
pp. 585
Author(s):  
N. F. M. Yasid ◽  
M. F. M. Yousof ◽  
R. Abd. Rahman ◽  
H. Zainuddin ◽  
S. A. Ghani
Keyword(s):  
Power Systems ◽  
Power Transformer ◽  
Short Circuit ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
Mechanical Reliability ◽  
Monitoring And Diagnosis ◽  
Short Circuit Fault ◽  
Sensitive Method ◽  
Measured Phase

Monitoring and diagnosis of power transformer in power systems have been examined and debated significantly in last few decades. Recently, more researchers have expressed their interest in these issues as the utilities and network operators operating under a rising cost-effecting pressure. Especially, in studying to monitor winding faults which is found to be the most common fault within transformers. This paper addresses the issue of the effect of inter-windings short circuit fault in a Dyn11 connected transformer. The specific aim is to study the effect of fault at winding of other phases to the response of measured phase. Frequency Response Analysis (FRA) which is discovered to be a powerful and sensitive method to examine and evaluate the condition, including the mechanical reliability of the transformer windings is used.

Sign in / Sign up

Export Citation Format

Share Document