Title :
Static and Dynamic Hysteresis Models for Studying Transformer Transients
Author :
Zirka, Sergey E. ; Moroz, Yuriy I. ; Moses, Anthony J. ; Arturi, Cesare Mario
Author_Institution :
Dept. of. Phys. & Technol., Dnepropetrovsk Nat. Univ., Dnepropetrovsk, Ukraine
Abstract :
Shortcomings of the classical approach in describing magnetization processes in grain-oriented transformer steel is analyzed. A noniterative method of accounting for hysteresis and dynamic properties of transformer core is proposed. Fitting the model to catalog data is described. The method is illustrated by calculating inrush current produced by subsequent transformer energizations.
Keywords :
hysteresis; power transformers; transformer cores; transients; dynamic hysteresis; grain-oriented transformer steel; inrush current; magnetization processes; noniterative method; static hysteresis; transformer core; transformer energizations; transformer transients; Core loss; Hysteresis; Loss measurement; Mathematical model; Power system dynamics; Power system transients; Steel; Excess core loss; hysteresis models; transformer transients;
Journal_Title :
Power Delivery, IEEE Transactions on
Conference_Location :
5/12/2011 12:00:00 AM
DOI :
10.1109/TPWRD.2011.2140404
