全介質ADSS光纜
ADSS光纜采用松套層絞式結構，將250μm光纖套入高模量材料制成的松套管中，松套管內填充防水化合物。松套管（和填充繩）圍繞非金屬中心加強芯（FRP）絞合成緊湊的纜芯，纜芯的縫隙充以阻水油膏。纜芯外擠制聚乙烯（PE）內護套，然后絞合起加強作用的芳綸，*后擠制聚乙烯（PE）外護套或耐電痕（AT）外護套。
ADSS cable is loose tube stranded. Fibers, 250μm , are positioned into a loose tube made of high modulus plastics. The tubes are filled with a water-resistant filling compound. The tubes (and fillers) are stranded around a FRP (Fiber Reinforced Plastic) as a non-metallic central strength member into a compact and circular cable core. After the cable core is filled with filling compound. it is covered with thin PE (polyethylene) inner sheath. After stranded layer of aramid yarns are applied over the inner sheath as strength member, the cable is completed with PE or AT (anti-tracking) outer sheath.
·產品特點 Characteristics
·可不斷電架設 · Can be installed without shutting off the power
·采用AT護套，耐電痕性能優越 · Excellent AT performance, The maximum inductive at the operating point of AT sheath can reach 25kV
·重量輕、纜徑小，減少了冰凌、風力影響和對塔架、支撐物的負荷 · Light weight and small diameter reducing the load caused by ice and wind and the load on towers and backprops
·跨距大，*大跨距超過1000m · Large span lengths and the largest span is over 1000m
·具有優異的抗拉性能和溫度特性 · Good performance of tensile strength and temperature
·預期壽命可達30年 · The design life span is 30 years
·產品應用 Application
ADSS光纜的設計充分考慮了電力線路的實際情況，適用于不同等級高壓輸電線路。對于10kV和35kV的電力線路可采用聚乙烯（PE）護套；對于110kV和220kV的電力線路則必須通過計算電場場強分布來確定光纜掛點并采用耐電痕（AT）外護套。同時，精心設計芳綸的用量和完善的絞合工藝以滿足不同跨距的應用要求。
The actual status of overhead power lines is taken into full consideration when ADSS cable is being designed. For overhead power lines under 110kV, PE outer sheath is applied. FOR power lines equal to or over 110kV, AT outer sheath is applied. The dedicate design of aramid quantity and stranding process can satisfy the demand on various spans. |
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