Problematika kvality elektrické energie nejen v České Republice

Abstract

This thesis contains four chapters, which describe quality parameters of supply voltage and their follow-up evaluation. Content of first part of theoretical section is description of basic characteristics of all voltage levels. The next part provides comparisons of voltage characteristics limits and limits of voltage in Czech republic. The folowing section provides examples of devices used for measuring and monitoring of power quality. The purpose of these chapters is to introduce the reader to the problems of power quality and serves as a preparation for the evaluation of power quality parameters in accordance with ČSN EN 50160 (Voltage characteristics of electricity supplied by public electricity networks). The final part is dedicated to the evaluation of the measured points with unsatisfactory parameters. It also contains examples of unsatisfactory readings from Slovenia and Portugal.