The 9th International Symposium on ADVANCED TOPICS IN ELECTRICAL ENGINEERING 2015

Papers Proceedings »

Numerical and Experimental Investigations on the Energizing of Miniature Iron Core Transformers

The paper analysis both numerically and experimentally the no-load miniature power transformer energizing process. The transient state characterization targets the predetermination of the main inrush current features: amplitude, duration and waveform signature. The whole quantitative investigation is carried out on a particular core-shaped devices (E+I), widely used in small power applications. The here suggested analytical computation method bases on the solution of the nonlinear differential equations that model the commutation phenomenon. Supplementary, a simple and low-cost experimental set-up platform is proposed to validate the theoretical results.

Author(s):

Emil Cazacu    
University POLITEHNICA of Bucharest
Romania

Valentin Ionita    
University POLITEHNICA of Bucharest
Romania

Lucian Petrescu    
University POLITEHNICA of Bucharest
Romania

 

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