Vibration damper for overhead electrical cables

Details Vibration damper for overhead electrical cables Vibration damper for overhead electrical cables

1979-11-20

1981-03-31

Askin, Laramie E.

Electricity: conductors and insulators

Overhead

With conductor vibration damping means

H02G 714

Patent

active

042595410

ABSTRACT:
An improved multiple-mode damper for damping Aeolian vibrations of electrical cables is provided which employs a single mass and two resilient support members that are respectively connected between separate points of the mass and separate points of the cable. One resilient support member is located at or near the center of the mass and the other at a point remote therefrom. The resilient support members are composed of spring components and elastomer components that act in parallel. The elastomer material has a Shore hardness of at least 30 and a damping coefficient that is at least 10% of the critical value. The stiffness of the elastomer component is at least 10% of the stiffness of the spring and it is preferably greater than that of the spring.

REFERENCES:
patent: 3446907 (1969-05-01), Bouche
patent: 4011397 (1977-03-01), Bouche

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