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How to calculate or select anti-vibration dampers for overhead lines?

How to calculate or select anti-vibration dampers for overhead lines?

How to calculate or select anti-vibration dampers for overhead lines?

Hello everyone. I'm looking for some standard or some book that tells me how to select anti-vibration dampers for overhead lines, especially in distribution systems.

I was reviewing IEE Std664-1993, IEEE 563-1978 and IEC 61897-1998 but these standards only refer to laboratory tests and don't specify the calculation dampers.I would like to know how to calculate the number of dampers, how to select the type of damper (spiral, stockbridge, etc), the damper placement, etc

These dampers will be for a medium voltage overhead line, for long spans. At the moment I only know that the frequency of wind-induced vibration is calculated as: fs=0.0185*V/D; And the natural frequency is calculated: fn=1/(2*L)*√(To*g/Wc). Equating these two frequencies, I can calculate the span from which it is necessary to use damper to avoid resonance. But this is insufficient.

Is there any standard, bulletin or any bibliographic reference of how to do this calculation?

Thank you so much.

RE: How to calculate or select anti-vibration dampers for overhead lines?

It's not my area, but I'll respond just to get you started.

Do the manufacturers or vendors of the dampers themselves have a Support Engineer on staff? They'd naturally be the worldwide experts of their own products and their application. That's the sort of approach that should get good results.

There are two papers that popped up.



Amusingly, your very question was the 4th hit on Google, which shows what a narrow topic it is. smile

Good luck.

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