Lightning Protection, Risk Assessment and Design: BS EN 62305
Lightning can have a devastating effect on power supply assets, damaging buildings, power structures, communications and other essential equipment – yet this damage can be easily, and cost-effectively, avoided.
EA Technology is a world leader in lightning risk assessment, protection and earthing systems, and this course is designed to share that knowledge and expertise, to help you avoid the costly and potentially catastrophic consequences of a lightning strike.
The course covers everything from the basics of lightning and its effects, to the use of risk assessment in the formulation of protection strategies. It will not only provide you with a clear understanding of the threat from lightning and the protection options available, but also introduce you to the economics involved in protection system selection.
Day one
Lightning – Introduction and Dispelling the Myths
- Lightning storm development
- Types of lightning
- Where will it strike and how often?
- Strike characteristics and statistics
- Positive and negative lightning
- Direct and indirect strikes
- Surges
- Effects on structures, systems and supplies
- Examples of damage
Risk Assessment and Lightning Protection, BS EN 62305
- Introduction to BSEN 62305-2 and how it differs from BS6651
- The assessment and treatment of risk
- Types of damage and loss
- Collection area concept
- Lines and Adjacent buildings
- Basic lightning protection systems (LPS)
- Natural LPS
- Separation distances and zones
Lightning Protection Design
- Protecting personnel
- Protecting buildings and internal systems
- Designing a LPS/SPM
- Rolling sphere method/protection angle/mesh method
- Air and earth terminations/down conductors
- Surge protection measures/bonding
- Bad practice and defects
LV Surge Protection (SPD)
- Description of SPDs
- Equipment withstand
- Choice and practical application of SPDs
- Installation examples
Day two
Maintenance, Testing and Compliance of LPS
- Maintenance and test frequency
- Measuring soil resistivity and analysis
- "Fall of Potential" measurement and analysis
- Clamp meter testing
- Clamp testing Vs FOP
Earthing Measurement Exercise
Lightning Protection Workshop
- Discussion
- Examination of measurement results
- Case studies
Programme may be subject to amendment
£1095
Course duration 2 Days
Course Location Capenhurst, Chester
12 Hours
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