廣州南洋電纜有限公司FY-YJSY03-19∕33kV-1×240（額定電壓19∕33kV銅芯交聯(lián)聚乙烯絕緣銅絲金屬屏蔽雙護套電力電纜）

一、產(chǎn)品特點(diǎn)及用途Product features and uses

本產(chǎn)品適用于額定電壓6KV（Um=7.2KV）到33KV的配電網(wǎng)或工業(yè)裝置中。

This product is applicable for the ratedvoltage 6kV(Um =7.2kV) to33KVpower distribution network orindustrial equipments.

產(chǎn)品標準Product standards: GB/T12706.2, GB/T 12706.3, GB/T 19666

二、產(chǎn)品使用特點(diǎn)Product Usage Characteristics

1、  額定電壓UO/U為26/35KV,

Rated voltage UO/U is 26/35KV

2、  電纜導體的長(cháng)期工作溫度等級為90℃

Conductor temperature allowd during long term operation is 90℃

3、短路時(shí)（最長(cháng)持續5秒S）,導體最高溫度不超過(guò)250℃。

When max short circuit in 5s, maxconductor temp not exceed 250℃.

4、  電纜敷設溫度應不低于0℃

Installation temperature is not lower than0 and

5、電纜安裝時(shí)的最小允許彎曲半徑見(jiàn)下表。

Min bending radius allowed is as below.

( D-the diameter of cable )

電纜安裝時(shí)的最小彎曲半徑Minimum bending radius when cable installed

6、敷設條件Installation condition

(1)空氣中電纜敷設在陰影處，環(huán)境溫度為40℃；土壤中電纜直埋深度為700mm,土壤熱阻系數為1.0k.m/w，環(huán)境溫度為25℃。

When cable being laid under shade inair, the ambient temperature is 40℃; If cable is buried in soil depth of1000mm soil thermal resstivity is 1.2km/w, and the ambient temperature is 25℃.

（2）單芯電纜三根水平平行敷設及星形敷設時(shí)，中心間距均為一倍電纜外徑；多芯為單根敷設。

When three of single core cables laid inparallel and star-laying, the center of the pitch are doubled of the cablediameter; multi-core cable is laid individually.

載流量修正系數Correctioncoefficient of rating current