May 2014
Electricity Transmission
Investigation of Aeolian Insulator Noise
NIA_NGET0149
Complete
May 2014
Jan 2015
National Grid Electricity Transmission
Richard Morris
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Network Innovation Allowance
None
Overhead Lines
£71,500.00
The purpose of the project is to determine the source of the problem (i.e. inherent design flaw giving rise to audible tone from insulators under certain wind conditions) with a view to developing a type test that will remove this problem in the future.

Development of a revised type test and an associated reduction in future noise complaints

The success criteria for the project will be:-

There are several steps to this work and success criteria for each are given below:

  • Report from Manchester University regarding the theory of Aeolian and resonance mechanisms in insulators

  • Successful completion and erection of the insulator test rig

  • Successful replication of Aeolian generated noise in controlled wind tunnel environment

  • Update to relevant policies and procedures to define new test regime for type registration