Beijing OPGW-24B1-70 overhead power cable factory price model parameters

Beijing OPGW-24B1-70 overhead power cable factory model parameters price information for reference If you are interested, please call the contact telephone number, technical parameters and information are provided free of charge. Group of leading development, product quality mature, reasonable price large favorably Contact: Liang Shuang Tel 15201400065 QQ: 2332467650 Our company is the largest in North China lowest price highest quality fiber optic cable manufacturers, specializing in the production of OPGW / ADSS cable / GYTS cable / GYTA cable / GYXTW cable / covered wire cable / optical composite cable / RVVP cable / computer cable / SYV cable / PV cable / mine cable / Security Wiring / indoor and outdoor fiber optic cable / cable / gold with a diversified manufacturer of fiber optic cables whole model, we focus on quality, the courage to fight any manufacturer can be shipped nationwide price, welcome all buyers to visit OPGW first inquiry is overhead (lightning) ground, you must meet all of the features and performance of a traditional ground, and then is a fiber optic cable, Therefore, the power industry are more willing to call it "ground composite cable." OPGW overhead ground wire and cable is complex, but it is not a simple sum between them. Common OPGW structure of the main tubes (Figure 1), the aluminum frame (Figure 2) and stainless steel tube (Figure 3) and other three categories. The second key technology is the highest temperature rise and short-circuit current. Calculations and experimental results show that: OPGW limiting factor is not the highest temperature of the fiber but is mainly hosted in the structure of aluminum materials. Mature, reasonable structure OPGW withstand transient temperature of about 300 ℃ by buffering and protection of fiber does not pose a serious threat, but if the structure contains aluminum, after more than 200 ℃, the first aluminum material produces irreversible plastic deformation while the structure is damaged (such as the occurrence of "black cage"), the arc OPGW vertical distance will be reduced to the extent of the security can not be maintained even with wire and wire touching. If the package does not contain aluminum steel aluminum all-steel or aluminum material does not carry, then can be applied to 300 ℃. The main mechanical properties (1) refers to the weight of the weight of all the constituent elements within the cable and the calculated value in units of kg / km. The intensity of the sensitive parameters tower. (2) the diameter means the diameter of elements composed of the calculated value with the sum of the inner cable, OPGW, MASS and OPPC refers to the nominal diameter of stranded single wire (including optical unit) the sum of the calculated values, in mm. The parameters and ice, wind loads greater impact. (3) carries a cross-sectional mean value of all the force components calculated cross-sectional area of ??the inner cable and, in units of mm2. The parameters and OPGW, OPPC, (MASS) strength, DC resistance, short circuit current or load flow and other parameters related. (4) refers to all bearer -RTS rated tensile strength of the section and the calculated value within the cable, the unit is KN. The strength and other related parameters tower is configured strain fittings, an important basis for fiber optic strain limit, the safety factor computing control. (5) The maximum allowable design weather conditions at the theoretical maximum tension the cable when the total load by the use of tension -MAT, under this tension, the fiber excess length should ensure stress-free and no additional fiber attenuation. Generally, the requirements of OPGW, about OPPC, MASS and ADSS of MAT RTS about 40%. MAT is a sag - span tension control and safety coefficient important basis for certification of OPGW Grid | Grid Cooperation OPGW manufacturers | Beijing Price Grid Certification of OPGW OPGW cable | Power Cooperation OPGW manufacturers | Beijing OPGW cable prices