Elektrické stanice

Abstract

The bachelor thesis is concentrated on electric substations from a general point of view. It describes the individual functions, outer and inner causes which can influence the electric substations on the common run. The important parts of the electric substations such as transformators, which are devided according to an actual categorization of the company ČEZ a.s., are mentioned too. The appliances which are used in the electric distribution installation are properly decribed and illustrated. Their functions, division, marking and an illustration of the distribution station with the breakers SF6 are also explained. The electric substations´ scheme is properly described according to the system of busbars where it is indicated how the scheme works in a normal state and how with a fault. A large part of the bachelor thesis concentrates on the modern conception of the electric substations. The foundations of the history and the characteristics of the gas SF6, where it can be used and when its degradation happens, are described too. Its influence on the human organism, the comparison of the bult-up area with the classical distribution points. The conclusion of the bachelor thesis creates the data sum of the transfer system in the Czech republic in the middle of the year 2009.