Scottish and Southern Electricity Networks and Scottish Hydro Electric Transmission
SSEN Future Networks Team
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Network Innovation Allowance
The scope of this project is to build and verify simulation models of lightning strikes on lineswhere the towers have high footing resistances (applicable to steel-lattice towers at voltages of 132kV and above), and investigate the protection options to inform
decisions on lightning protection approaches.
1) Understand the behaviour of transmission lines under lightning strike conditions.
2) Determine the alternative techniques to provide lightning protection on transmission lines.
3) Create recommendations for a lightning protection policy for transmission lines.
This is intended to inform the further development of SHE Transmission’s lightning protection policy.
The project will be successful if it can deliver recommendations to further improve our approach to lightning protection , and more informed decisions on lightning protection options can be made.