湖北省光纜OPGW光纜廠家opgw-24b1-80*  湖南廠家 

OPGW光纜，Optical Fiber Composite Overhead Ground Wire（光纖復(fù)合架空地線）OPGW光纜，Optical Fiber Composite Overhead Ground Wire（光纖復(fù)合架空地線）·Description

OPGW光纜運(yùn)用

OPGW光纜主要在500KV 、220KV 、110KV電壓等線路上使用，受線路停電、安全等因素影響，多在新建線路上應(yīng)用。

OPGW的適用特點(diǎn)是：

（1）高壓超過(guò)110kv的線路，檔距較大（一般都在250M以上）；

（2）易于維護(hù)，對(duì)于線路跨越問(wèn)題易解決，其機(jī)械特性可滿足線路大跨越；

（3）OPGW外層為金屬鎧裝，對(duì)高壓電蝕及降解無(wú)影響；

（4）OPGW在施工時(shí)必須停電，停電損失較大，所以在新建110kv以上高壓線路中應(yīng)該使用OPGW；

（5）OPGW的性能指標(biāo)中，短路電流越大，越需要用良導(dǎo)體做鎧裝，則相應(yīng)降低了抗拉強(qiáng)度，而在抗拉強(qiáng)度一定的情況下，要提高短路電流容量，只有增大金屬截面積，從而導(dǎo)致纜徑和纜重增加，這樣就對(duì)線路桿塔強(qiáng)度提出了安全問(wèn)題。

5、OPGW光纜參數(shù)

層絞不銹鋼管式光纖復(fù)合架空地線規(guī)格、結(jié)構(gòu)及相關(guān)參數(shù)

 The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. The tube is wrapped with a layer of PSP longitudinally. Between the PSP and the loose tube water-blocking material is applied to keep the cable compact and watertight. Two parallel steel wires are placed at the two sides of the steel tape. The cable is completed with a polyethylene (PE) sheath.

·Characteristics

        · Good mechanical and temperature performance

        · High strength loose tube that is hydrolysis resistant

        · Special tube filling compound ensure a critical protection of fiber

        · Crush resistance and flexibility

        · PSP enhancing moisture-proof

        · Two parallel steel wires ensure tensile strength

        · Small diameter, light weight and friendly installation

        · Long delivery length

·Standards

        GYXTW cable complies with Standard YD/T 769-2003.

·Optical Characteristics

·Technical Parameters

Storage/Operating Temperature : -40℃ to + 70℃