Detection of Winding Deformations During Short Time Current Tests
暂无分享,去创建一个
Transformers are required to demonstrate the ability to withstand short circuit currents. Over currents due to short circuit can cause winding deformation. A new method of testing and analyzing winding deformation online without untanking is presented in this paper. A study of alternate excitations to detect winding deformation is made. A comparison of Fourier transform and Wigner-Ville distribution methods of analysis is carried out
[1] K. Feser,et al. Procedures for detecting winding displacements in power transformers by the transfer function method , 2004, IEEE Transactions on Power Delivery.
[2] T. Leibfried,et al. Monitoring of power transformers using the transfer function method , 1999 .
[3] László Kiss,et al. Large Power Transformers , 1987 .
[4] K. Feser,et al. Transfer Function Method to Diagnose Axial Displacement and Radial Deformation of Transformer Winding , 2002, IEEE Power Engineering Review.