Problematika provozu vedení 110 kV

Abstract

This graduation theses deals with problem of 110 kV transmission line operation. In the first chapter it deals with types of electrical power grids and their dimensioning. There is emphasis on 110 kV grid about operation and types of distribution. There are conditions for dimensioning of grids. In the second chapter it deals with maintainance of grids. There is explanation and content of rule of preventive maintainance. There are mentioned work procedures that are performed on VHV transmission lines. In the third chapter it deals with analysis of failure database of 110 kV transmission lines - Morava. There are depicted most frequent reasons of failures and concrete types of failures on mentioned graphs. In the fourth chapter it deals with analysis of defect database of 110 kV transmission lines - Morava. There are depicted most frequent reasons of defects and concrete types of defects on mentioned graphs. In the fifth chapter there are mentioned the most problematical transmission lines and their defects. It deals with project for reconstruction of these transmission lines, too. In the sixth chapter it solves the project for more intense transmission line maintainance. In the seventh chapter it solves evaluation of the costs of 1 km transmission line according to the present state and a new project (after reconstruction of 3 transmission lines and higher intensity of regular maintanance and check of transmission line).