China G652 Aluminium Covered Steel Tube Opgw Sslt Cable, Find details about China Opgw Cable, Sslt Cable from G652 Aluminium Covered Steel Tube Opgw Sslt Cable
.OPGW fiber optic cable is mainly used in 500KV, 220KV and 110KV lines, limited by power cut, security and other elements, mostly used in new lines. Its applications are: high voltage over 110kv, with a longer span (usually over 250M);
.easy to maintain, easy for line span, its mechanical property can meet a big line span;
.outer OPGW fiber optic cable is metal armoring, with no influence for high pressure electro-corrosion and degradation;
.to construct OPGW fiber optic cable must cut power, resulting in greater loss, thus OPGW must be used in constructing high voltage line over 110kv;
.For OPGW fiber optic cable performance index, the more short circuit current, the more need a good conductor to be metal armor, and reduce tension strength, while, if the tension strength is certain, to increase short circuit current capacity, the only way is to enlarge metal section area, resulting in an increased cable Dia and weight, so that security is a question for line pole strength
OPGW-36B1-90 [50.5;79.8] |
Name | No | Name | No | Material Dia. | ||||
Fiber | G.652D | 36 | G.655 | 0 | SUS Tube | 3.20 | mm | |
Center | AL-Tube | 1 | Tube-Dia. | 3.4/5.6 | mm | |||
Structure | Layer1 | 40% AS wire | 8 | AA wire | 0 | Diameter | 3.45 | mm |
according to IEC, IEEE standards | ||||||||
stranding direction of outer layer is right hand(Z-stranding) | ||||||||
Cable Diameter | 12.5 | mm | ||||||
Cable Weight | 419 | kg/km | ||||||
Supporting Cross Section | 90.3 | mm2 | ||||||
Section of AS Wire | 74.8 | mm2 | ||||||
Section of AL tube | 15.6 | mm2 | ||||||
Ultimate Tensile Strength (UTS) | 53.1 | kN | ||||||
Rate Tensile Strength (RTS) | 50.5 | kN | ||||||
Technical Data | Modulus of Elasticity (E-Modulus) | 109.0 | kN/mm2 | |||||
Thermal Elongation Coefficient | 16.2 | ×10-6/ºC | ||||||
Permissible Maximum Working Stress (40% RTS) | 223.7 | N/mm2 | ||||||
Everyday Stress(EDS) (18%~25% RTS) | 100.7 | ~139.8 | N/mm2 | |||||
Ultimate Exceptional Stress (70% RTS) | 391.4 | N/mm2 | ||||||
DC Resistance | 0.451 | Ω/km | ||||||
Short Time Current | (1s, 20ºC~200ºC) | 8.9 | kA | |||||
Short Time Current Capacity I2t | 79.8 | kA2s | ||||||
Minimum Bending Radius: | Installation: | 312 | mm | |||||
Oprating: | 187 | mm | ||||||
Ratio between Pull and Weight | 12.3 | km | ||||||
Temperature | Installation | -10ºC ~ +50 | ºC | |||||
Range: | Transportation and Operation | -40ºC ~ +80 | ºC |