Metody pro diagnostiku vypínače VVN

Abstract

In this work, I compared the theoretical and practical results of diagnostic HV circuit breakers, which I acquired in college study and practice of my employer. For comparison, I used the diagnostic results of practical measurements in the field. In the first part of the thesis is a general theoretical analysis of the problems of diagnostics of power circuit breakers in terms of legislation and issues of SF6. I mention briefly the historical development, distribution switches as arc quenching, their drives and voltage levels. Nedílnuou includes a description of standard and advanced methods to check the current status of the device in normal operation. In the next section on practical measurements I chose an appropriate method for diagnosing power switch and perform the evaluation. As input to the work I have used both the measured data with colleagues, their employers, as well as materials dealing with professionals in your area circuit breakers.