10kV Three Core Unarmored Power Cable Detail Description
The Power Cable is used for electrical power transmission and distribution systems, operating at rated voltage of 6/10 kV, 8.7/10 kV, 50Hz.A.C
Standard: IEC502 & IEC332-3
Application:
XLPE unarmored cable to be laid indoors, in tunnel, cable furrow or pipe, the cable couldn’t bear mechanical force outside.
Bending radius:
D Actual outer diameter of cable sample (mm)
D Actual diameter of conductor (mm)
Operating temperature: Max.permisible continuous operating temperature of conductor shall not exceed 90℃
Conductor short-circuit temperature: Not exceeding 250℃. Max. sustaining period not exceedingInstallation temperature: It should be heated where ambient temperature is below 0℃.
Level difference of installation: Not restricted by the difference of level along the route.
10kV Three Core Unarmored Power Cable
Constructional data:
| Rated voltages: Uo/U /Um: 6/10/12 kV Nominal insulation thickness: 8 mm | ||||||||
| Nominal cross section of the conductor | ||||||||
| Alrm | mm² | 50 | 70 | 95 | 120 | 150 | 185 | 240 |
| Alrs | mm² | - | - | 95 | 120 | 150 | 185 | 240 |
| Curs | mm² | 50 | 70 | 95 | 120 | 150 | 185 | 240 |
| Outer diameter stranded conductor (Aluminum or copper) | mm | 48 | 52 | 56 | 59 | 62 | 66 | 71 |
| Outer diameter solid conductor (Aluminum only) | mm | 47 | 51 | 54 | 57 | 60 | 63 | 68 |
| Net weight, aluminum conductor (stranded and solid) | kg/m | 2.4 | 2.5 | 2.6 | 3.0 | 3.4 | 3.9 | 4.6 |
| Net weight, copper conductor (stranded only) | kg/m | 3.5 | 4.0 | 4.7 | 5.7 | 6.7 | 8.2 | 10 |
| Minimum bending radius: during laying (stranded conductors) | m | 0.68 | 0.74 | 0.81 | 0.86 | 0.92 | 0.99 | 1.08 |
| Minimum bending radius: installed (stranded conductors | m | 0.57 | 0.62 | 0.68 | 0.72 | 0.77 | 0.82 | 0.90 |
| Minimum bending radius: during laying (solid aluminum conductors) | m | 0.66 | 0.72 | 0.78 | 0.83 | 0.88 | 0.94 | 1.02 |
| Minimum bending radius: installed (solid aluminum conductors) | m | 0.55 | 0.60 | 0.65 | 0.69 | 0.73 | 0.78 | 0.85 |
| Electrical properties: | ||||||||
| Approximate reactance per phase@50Hz | Ω/km | 0.114 | 0.107 | 0.102 | 0.099 | 0.096 | 0.093 | 0.089 |
| Operating capacitance per phase @10kV and 50Hz | Ω/km | 0.24 | 0.28 | 0.31 | 0.34 | 0.36 | 0.4 | 0.44 |
| Charging current @10kV and 50Hz | Ω/km | 0.44 | 0.51 | 0.56 | 0.62 | 0.65 | 0.73 | 0.80 |