Surge Protection to BS7671 Unit 1: Introduction to Voltage Surge and its Related Phenomena
This first unit is to introduce to you that the electricity distribution systems in the UK distribute electricity using three phase and single phase arrangements.
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Mr Robin Earl, Market Development Manager, DEHN (UK) Ltd.
Robin has over twenty years’ experience of the field surge protection, originally trained by DEHN and SOHNE prior to the establishment of the DEHN UK Office. He is currently serving in BS7671 JPEL64 subcommittee D on Surge Protection and Foundation Earthing. He has presented many CPD seminars on Surge Protection and Lightning protection to IET and CIBSE members.
Dr Tony Sung, Director, Energy Reduction Management Ltd
Tony is an independent Chartered Energy and Electrical Engineering Consultant. Tony was the course tutor for the MEng(Hons) degree course in Architectural Science and Engineering Services at Manchester University. He has given lectures in Lightning and Surge Protection to BEng(Hons), MEng(Hons) and MSc students in UK and Overseas universities. He is currently the Chairman of CIBSE Electrical Services Group and representing CIBSE on BS7671 the main JPEL64 committee. He is also External Examiner to the University of Northampton.
1. Understand the difference between High Voltage and Low Voltage in BS7671 context
2. Understand the terms equipment utilisation voltage and current-using-equipment
3. Understand that transient over-voltage can cause damage to equipment and could be a fire risk
4. Appreciate there are other phenomena in the electrical system that can cause power quality degradation