Field Vibration Testing
This brochure outlines guidelines that can be used to determine the level of vibration protection required for any transmission line with a Field Vibration Recorder.
In the late 1950s, AFL began a program to obtain the design data and vibration fatigue damage history on a large number of overhead transmission lines across the United States. AFL partnered with electric utilities to conduct comprehensive inspections on their lines and completed field vibration recording sessions on notable areas of concern. The information included conductor size and tension, ruling spans, tower type, support hardware, type of vibration protection and extent of vibration damage if any.
From this information, along with data from indoor/outdoor test laboratories and theoretical considerations, AFL was able to develop a series of guidelines that can be used to determine the level of vibration protection required for any transmission line. This work continues to this day and is of great importance in ensuring AFL offers accurate recommendations for vibration protection.
Refer to this brochure for an overview of how the field vibration recorder works.