Introduction for Stockbridge damper:
The Stockbridge damper was invented in the 1920s by George H. Stockbridge, who was an engineer for Southern California Edison. Stockbridge damper is a overhead line fittings that is attached to power lines to reduce their amplitude of wind-induced vibration. Stockbridge Damper is the most efficient way to extend the life of a transmission line. It is designed to eliminate the damage caused by aeolian vibration.
Stockbridge damper Structure:
1. Damper weights
2.Messenger wire or messenger cable
3.Clamp
4.Bolt
Stockbridge damper picture:
Stockbridge damper parameters:
| Type No. |
Conductor Dia (mm) |
Length (L:mm) |
Length of clamp (A:mm) |
Height (H:mm) |
Messenger Dia (Ø:mm) |
Weight (kg) |
| OD-10 | 7.0-18.0 | 310 | 52 | 67 | 7.5 | 1.0 |
| OD-20-1 | 12.2-27.0 | 330 | 52 | 70 | 7.5 | 1.4 |
| OD-20-2 | 12.2-27.0 | 330 | 52 | 63 | 7.5 | 1.4 |
| OD-30 | 16.5-27.0 | 383 | 52 | 72 | 9.0 | 2.5 |
| OD-40 | 22.5-34.0 | 542 | 66 | 96 | 11.0 | 4.7 |