{"id":7418,"date":"2025-10-23T10:49:15","date_gmt":"2025-10-23T10:49:15","guid":{"rendered":"https:\/\/www.raxpower.com\/?page_id=7418"},"modified":"2025-12-11T14:01:33","modified_gmt":"2025-12-11T14:01:33","slug":"espacador-do-amortecedor","status":"publish","type":"page","link":"https:\/\/www.raxpower.com\/pt\/damper-spacer\/","title":{"rendered":"Amortecedor e Espa\u00e7ador"},"content":{"rendered":"
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Damper & Spacer<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>
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Dampers and spacers address critical challenges in overhead transmission lines with bundled conductors. Aeolian vibrations, caused by wind-induced vortex shedding at velocities of 1-7 m\/s and frequencies of 5-100 Hz, generate fatigue stresses at support points that can lead to strand breakage and cable failure. Sub-conductor oscillations at lower frequencies may cause conductors to clash under high wind or ice loading, requiring devices to maintain separation and control motion.<\/p>\n

Spacer dampers combine spacing and damping functions in a single device for multi-conductor high-voltage transmission systems. They maintain specified distances between sub-conductors while dissipating vibration energy through elastomeric elements that flex under conductor movement, converting mechanical energy into heat. This dual functionality reduces bending stresses at clamp outlets, prevents resonance, and eliminates the need for additional damping devices in many installations.<\/p>\n

Construction typically features frames and clamps manufactured from high-grade cast aluminum or high-pressure die cast aluminum alloy for strength and corrosion resistance. Damping elements use elastomers such as neoprene or specialized rubber blends with high energy absorption, Ultraviolet (UV) and ozone resistance, and temperature ratings up to 250\u00b0C. Various configurations accommodate twin, triple, quadruple, and hex bundles, with rigid spacers for fixed separation and flexible designs incorporating moving clamp bodies for multidirectional movement.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>