Title :
Dynamic Response of Power Transformers Under Axial Short Circuit Forces Part II - Windings and Clamps as a Combined System
Author :
Patel, Mukund R.
Author_Institution :
General Electric Company
Abstract :
This paper is in continuation of Part I. It discusses the dynamic axial risponse of the total transformer system made up of the windings and the clamping structure. The numerical solution presented here accounts for all nonlinearities in the system. The viscoelastic model for representing the dynamic stiffness of the oil-permeated insulation is investigated in detail. Good comparisons between the calculated values and the test values on a 10 MVA transformer support the models and methods developed here.
Keywords :
Circuits; Clamps; Elasticity; Nonlinear dynamical systems; Oil insulation; Petroleum; Power transformer insulation; Power transformers; Springs; Viscosity;
Journal_Title :
Power Apparatus and Systems, IEEE Transactions on
DOI :
10.1109/TPAS.1973.293703
