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Varistor modeling for power electronics applications simulations

C. MIHALACHE1,* , S. NITU1, F. IONESCU1

Affiliation

  1. University “Politehnica” Bucharest, Department of Electrical Engineering Splaiul Independentei 313 Bucharest Romania

Abstract

A varistor equivalent electrical network is presented together with the parameters that have to be obtained. The experimental current vs voltage characteristic for different varistors is revealed. Using a fitting software package, the parameters for the current vs. voltage static characteristic modeling are obtained. Finally, a simulation model ready to be used in different CAD software environments is obtained. The experimental results confirm the model..

Keywords

Varistor, Power electronics, Simulation, CAD software.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

C. MIHALACHE, S. NITU, F. IONESCU, Varistor modeling for power electronics applications simulations, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1272-1276 (2008)