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Surge Protection to BS EN/IEC 62305 Unit 5: Introduction to risk assessments for lightning and surge protection

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1 Hour
Unit overview

This unit will outline the lighting and surge risk assessment processes using the lightning flash density Ng under BS EN 62305 Part 2. The source of damage, type of loss and type of damage are introduced in this unit.

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Partner Details

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.

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.

Type Unit
What you will learn
At the end of this unit, you will:

• Understand the concept of risk assessment for lightning and surge protection under BS EN 62305.
• Understand the calculations behind the risk assessments.
• Understand the need for assessing the collection area affected by direct and indirect lightning flashes.
• Understand the relationships among consequential damages and sources of lightning flashes.
Who should learn
Before embarking on the course, it was expected that the delegate/student would have learned the use of Ohm’s Law, concept of resistance, inductance and capacitance. Ideally, the delegate/student is working in the field of electrical services engineering either in design/inspection or in installation/testing.