Spolehlivost spínacích přístrojů nn

Abstract

This diploma thesis deals with the safety of switchgears – concretely the contactors and then the creation of methodology and diagnostics for measurement. In the first part I realize the selection of reliability parameters with the chance of their usage, where the contactors and the types of contactors are mentioned. In the second part I deal with the measurement of contactors, the method applied for measurement and its evaluation. In the last part there are mentioned the suggested and applied diagrams of measurement with their own descriptions.