Protection of Electrical Installations Against Overvoltages


Code 3.6.3202.9
Semester 9th
Flow Z - Energy Conversion, High Voltages and Industry Applications
Category Obligatory by selection
Credits 4
Class Hours - Lab Hours 2 - 1
Lecturers Christos Christodoulou, Ioannis Gonos, Nikoleta Ilia (T & R Associates), Vassiliki Kontargyri (T & R Associates)
Links Helios

Description

Introduction. Mechanisms and consequences of overvoltages. Atmospherical (external) and switching (internal) overvoltages. Lightning. Lightning strikes on buildings, technical installations, transmission and distribution electric networks. Static electricity: formation, dangers and protection. Hazards arising from a lightning strike. Protection of human beings, buildings, technical installations, transmission and distribution electric networks against lightning and overvoltages in general. Effects of the electric field and current on human beings. Electrocution: mechanism and protection.