{"id":7621,"date":"2025-11-03T07:10:01","date_gmt":"2025-11-03T07:10:01","guid":{"rendered":"https:\/\/jiujinpower.com\/?post_type=product&p=7621"},"modified":"2025-11-18T02:40:33","modified_gmt":"2025-11-18T02:40:33","slug":"aluminum-alloy-stockbridge-damper-for-220kv-500kv-opgw-cables-wind-resistant-design","status":"publish","type":"product","link":"https:\/\/jiujinpower.com\/he\/product\/aluminum-alloy-stockbridge-damper-for-220kv-500kv-opgw-cables-wind-resistant-design\/","title":{"rendered":"Aluminum Alloy Stockbridge Damper for 220kV & 500kV OPGW Cables – Wind Resistant Design"},"content":{"rendered":"
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This Stockbridge-type damper is engineered to mitigate aeolian vibrations in OPGW (Optical Ground Wire) cables, which are high-frequency, low-amplitude oscillations caused by wind vortex shedding. These vibrations can lead to fatigue damage at suspension points and within the cable itself, potentially harming the fragile optical fibers inside.<\/p>\n

The damper operates on a dynamic energy absorption principle. When the cable vibrates, the hammer heads move out of phase, creating internal friction within the connecting steel strand and air damping that dissipates vibrational energy as heat. A multi-frequency design ensures effective vibration suppression across a broad frequency range (typically from 6Hz to 150Hz).<\/p>\n

For OPGW applications, the damper often features an\u00a0aluminum alloy line clip<\/strong>\u00a0to prevent galvanic corrosion and ensure a secure, non-damaging grip on the cable. This design is crucial for the demanding environments of 220kV and 500kV transmission networks, including long-span crossings and areas with high wind exposure.<\/p>\n

Varieties & Types Table:<\/strong><\/p>\n

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<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n
Feature \/ Type<\/th>\nSpecifications & Options<\/th>\n<\/tr>\n<\/thead>\n
Model\/Type<\/strong><\/td>\nCustom models for different OPGW diameters & tension requirements (e.g., FDZ series, FRY series).<\/td>\n<\/tr>\n
Material<\/strong><\/td>\nHammer Head:<\/strong>\u00a0Galvanized\u94f8\u94c1.
\nStrand:<\/strong>\u00a0Hot-dip galvanized steel\u7ede\u7ebf.
\nLine Clip:<\/strong>\u00a0Aluminum Alloy<\/strong>\u00a0(for OPGW applications).<\/td>\n<\/tr>\n
Standards Compliance<\/strong><\/td>\nIEC 61897, DL\/T 1099-2009, and other relevant national standards.<\/td>\n<\/tr>\n
Cable Compatibility<\/strong><\/td>\nDesigned for various OPGW cable diameters, typically from 12mm to 22mm.<\/td>\n<\/tr>\n
Load Capacity<\/strong><\/td>\nDependent on model and OPGW specifications (RTS – Rated Tensile Strength).<\/td>\n<\/tr>\n
Packaging<\/strong><\/td>\nIndividual cartons or bulk wooden crates.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Applications of Use:<\/strong><\/p>\n