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MV 3 Core STA Armoured Cable


MV 3 Core STA Armoured Cable
Standard: IEC 60502,IEC60840 standard, also can be produced according to OEM requirements and other standards
Capacity: 2000km/month
Voltage: Medium voltage
Application: Mainly laid at indoor, cable slot, tube and other places which endured heavy pressure
   


-> Usage of medium voltage steel tape armoured cable:
Used for power transmission and distribution line with voltage rated at 35kV and below. In comparison with PVC Insulated Power Cable, xlpe power cable boasts not only characteristics of excellent electricity, mechanism, heat and aging-resistant, environment stress-resistant and chemical corrosion-resistant, but also simple structure, light weight, no restriction by laying drop, and high temperature allowance for long-term working.

-> Number of cores about Medium voltage steel tape armoured power cable:
The core number can be one core, two core, three core, four core, five core, 3+1 core, 3+2 core, 4+1 core and so on.
 
-> XLPE insulation and PVC sheached steel tape armoured power cable technical parameter:
 
1. Rated voltage: Uo/U: 66kV, 26/35kV, 21/35kV, 12/20 kV (24 kV), 8.7/10kV, 8.7/15kV, 6/6kV, 6/10kV.
 
2. No. of core: Single-core, Three-core etc.
 
3. The highest allowed operating temperature of conductor for long-term working is 90°C. In short-circuit (Max. Long-term is no more than 5 seconds). The highest temperature for conductor is no more than 250°C.
MV 3 Core STA Armoured Cable
4. D.C Resistance of the conductor complies with the stipulations of GB/T3956-1997.
 
5. The environment temperature should be no lower than 0 when lay. Otherwise it should be preheated.
 
6.The cable is laid without horizontal drop limit. The Min. Bending radius of three-core cable should be no smaller than 12 times of cable outer diameter.
 
7. Working Frequency Voltage Test:
For cable with Uo of 3.6kV or lower: 2.5Uo+2kV/5min without puncture. 
For cable with Uo of 3.6kv~18kV: 3.5Uo/5min without puncture. 
For cable with Uo of 21kV and 26 kV: 2.5Uo/30min without puncture.
 
8. Partial Discharge Test: The discharge volume should be no more than 10pC under 1.73Uo for the cable.
 
-> Performance Characteristics of XLPE insulation and PVC sheached steel tape armoured power cable:
1) The long-term permissible operation temperature of conductor shall not be higher than 70°C.
2) Conductor Max. short circuit (not more than 5 seconds)temperature shall not be higher than 160°C.
3) The cable is not limited by drop in level when being laid,and the environment temperature shall not be 0°C.
4) Perfect chemical stability,resistant against acids,alkalis,grease and organic solvents,and flame retradance.
5) Light weight,perfect bending properties,installed and maintained easily and conveniently.
MV 3 Core STA Armoured Cable
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