4-conductor spacer damper set
SB-11
SB-11
SB-14
SB-14
Damper
Function and use
Device used to prevent towers from collapsing due to sub-span vibrations of power lines. Sub-span vibrations are said to occur at wind speeds above 10 m/s, but in practice, vibration amplitude is significantly dampened by the installation of spacer dampers
| Product Category | Product |
|---|---|
| Stockbridge damper | SB-AC240 |
| SB-AC410 | |
| SB-AC480 | |
| 4-Conductor spacer damper | 4-conductor spacer damper for 345kV high-capacity conductor |
Types and Specifications
| KEPCO Engineering Standard | Item Number | Model | Damper Specification | Applicable Line (mm²) |
Remarks (ACSR equivalent standard) |
|||
|---|---|---|---|---|---|---|---|---|
| Counterweight Mass | Armour Rod Length | |||||||
| GS-5340-0055 : Stockbridge Damper for Aluminium Stranded Conductors |
127070 | SB-AC240 | 5.5kg | 500mm | ASCC 290 (Carbon-metal) ASCC 310 (Carbon-glass) ACMR 240 |
240mm² | ||
| ASCC 330 | 330mm² | |||||||
| 127071 | SB-AC410 | 6.4kg | 600mm | ASCC 410 (Carbon-metal) | 330mm² | |||
| ASCC 430 (Carbon-glass) | ||||||||
| ACMR 410 | 410mm² | |||||||
| ACMR 440 | 480mm²(R) | |||||||
| 127072 | SB-AC480 | 7.3kg | 660mm | ASCC 500 (Carbon-metal) | 410mm² | |||
| ASCC 520 (Carbon-glass) | ||||||||
| ASCC 520 (Carbon-metal) | 480mm² | |||||||
| ASCC 540 (Carbon-glass) | ||||||||
| KEPCO Engineering Standard | Item Number | Model | Applicable Line | Rotational Angle | Sub-conductor Spacing (Between Conductor Centers) |
Conductor Clamping Force | ACSR Equivalent Standard (mm²) | |
| Type (mm²) | Outer Diameter (mm) | |||||||
| GS-5975-0214 : Capacity-Enhanced 4-Conductor Spacer Damper for Aluminium Stranded Conductors |
127302 | TSAS-430 | ASCC 430 | 25.14 | At least ±30° | 400±3mm | 200kgf | 330 |
| 128309 | TSAS-410L | ASCC 410L | 25.14 | |||||
| 127303 | TSAC-330 | ACMR 330 | 23.2 | |||||
| 127304 | TSAS-520 | ASCC 520 | 28.14 | At least ±30° | 400±3mm | 200kgf | 410 | |
| 128310 | TSAS-500L | ASCC 500L | 28.14 | |||||
| 127305 | TSAC-410 | ACMR 410 | 26.0 | |||||
| 127306 | TSAS-540 | ASCC 540 | 28.63 | At least ±30° | 457±3mm | 200kgf | 480 | |
| 128311 | TSAS-520L | ASCC 520L | 28.71 | |||||
| 127307 | TSAC-440 | ACMR 440 | 26.2 | |||||