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Title: Transient behaviour of low voltage systems due to lightning strikes
Author: Kokkinos, Nicholaos
Awarding Body: University of Manchester
Current Institution: University of Manchester
Date of Award: 2004
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Lightning protection is an issue of safety for humans and their properties. Although humans may be protected against a direct lightning strike if they are situated into a modem structure, electrical and electronic appliances, which equip the structure may suffer fatal damages. These damages can be avoided by taken the necessary protective measures. Depending on the low voltage distribution system that connects the structure, the necessary protective measures may vary due to different risks that are associated with each low voltage distribution system. Most of the low voltage distribution systems that can be found in Europe were examined considering the effects that can occur when a customer connected to them becomes a victim of a direct lightning strike. The majority of this work was based on theoretical research, by using software simulations, which has focused on the risk and the technical issues that need to be considered when designing a lightning protection system for a low voltage installation. The impact of various elements that are part of a low voltage distribution system such as cables and earthing systems was assessed. More emphasis was given .to the requirements that low voltage surge protection devices should fulfil. The practical part of this research has examined the validation of the simulation results by comparing them with scaled down experiments. High voltage and current generators were used for testing surge protection devices and low voltage plant equipment such as cables, fuses etc. The main objective of this research project was to contribute into the understanding and modelling of the transient behaviour of low voltage systems due to a direct lightning strike and into the necessary precautions that need to be taken.
Supervisor: Cotton, Ian Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available