Stockbridge Dampers with Cast or Forged Clamps

Stockbridge Dampers with Cast or Forged Clamps

$2.5≥1Piece/Pieces

Payment Type:	L/C,T/T
Incoterm:	FOB,CFR,CIF,EXW,Express Delivery
Min. Order:	1 Piece/Pieces
Transportation:	Ocean,Land,Air,Express

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Place Of Origin: China

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Pigtail bolt ,eye bolt from Hebei Yipeng

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Product Description

How Does a Small Size Damper Reduce Vibration in Transmission Lines?

Description:
Vibration dampers are usually used in high voltage and extra-high voltage electrical energy overhead transmission lines （Overhead Line Fittings）to handle aeolian and galloping or dancing vibrations in the transmission lines' conductors. The dampers are designed in such a way that they attenuate the line vibrations by reaching the same frequency as the cable that has wind-induced vibrations.

The overhead Transmission Line mainly experiences two types of vibrations in a vertical plane which can be categorized into two groups.

Aeolian Vibration;
Galloping or Dancing vibration.

Aeolian Vibration has a high frequency and low amplitude at shallow velocity (4 to 15 km/hr) of wind, like- a vibration frequency of 5 to 40 cycles/second, and the amplitude is 2 cm to 5 cm with a loop length of 1 m to 10 m.

Galloping or Dancing Vibration is having self-explanted type of a low frequency but higher amplitude, like- 1/4 – 3/2 cycle/second, and an amplitude of vibration around 10 m.

The Vibration phenomenon in the Transmission Line is solved by using specially designed dampers called Stockbridge Damper which is basically a device to absorb vibration energy and prevent vibration in the Transmission Line.