Řešení problématiky bludných proudů v železniční stanici Bohumín

Abstract

This diploma thesis deals with the issue of stray current in immediate surroundings of Bohumín’s train station. The diploma thesis is straight continuation of field measurement in a technical and hygienic maintenance hall (THM) and its nearest surroundings of Bohumín’s train station. The main purpose of this diploma thesis is to find out unfamiliar conductive electrical pathway in THM hall and its surroundings, causing defects to leads of lightning rods that are protecting THM hall against atmospheric discharge. Next purpose is, due to previous measurement, suggest and find out possible ways of removing the identified problems. This dissertation also deals with selected problems of direct-current traction, quality of return pathway of traction circuit, ground current propagation, electrochemical corrosion and legislation that concern issues of construction and operation of electrical railways.