Chosen aspect of the voltage transformer mathematical modeling

Abstract

Accurate mathematical model of the voltage transformer enables analysis of many effects, which proceed during the work of the voltage transformer. It is also possible to determinate their influence on its accuracy without the need of the physical voltage transformer model construction and expensive laboratory research. Constructed voltage transformer model was examined. Obtained results were used for determination of the parameters of proposed voltage transformer mathematical model. Presented in the paper voltage transformer mathematical model enables both determination of many specific parameters of the voltage transformer and specification of the character of their changes. In the article results of the laboratory research, calculated values of the parameters of the equivalent circuit of the voltage transformer were shown. Character of their changes in function of the applied voltage and load of the secondary side of the voltage transformer was considered.