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- Place of Origin: Made In China
- Brand Name: ECHU
- Model Number: 20kV
20kV Three Core Unarmored Power Cable Detail Description
The cable is used for electrical power transmission and distribution systems, operating at rated voltage of 12/20 kV, 50Hz.A.C
Armored: non armored
Conductor: Copper/Aluminum
Operating temperature: Max.permisible continuous operating temperature of conductor shall not exceed 90℃
Conductor short-circuit temperature: Not exceeding 250℃. Max. sustaining period not exceeding.
Bending radius:
D Actual outer diameter of cable sample (mm)
D Actual diameter of conductor (mm)
Installation 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
ZMS sets high standards
ZMS Cables and Systems B.V. is certified in accordance with ISO9001Quality and ISO 14001 Environmental Management System standards for its activities.
ZMS products are designed to comply with all major national and international standards(e.g. NEN, IEC, CENELEC, BS, CEI, DIN VDE, ICEA,IRAM, NBR, NF, SABS, SFS, TSE, UNE, UTE, NBN,AEIC, ANSI, AS/NZS etc.) and with customer’s specific requirements
20kV Three Core Unarmored Power Cable
Constructional data:
| Rated voltages: Uo/U /Um: 8.7/15/18 kV Nominal insulation thickness: 4.5 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 | 58 | 62 | 66 | 69 | 72 | 76 | 81 |
| Outer diameter solid conductor (Aluminum only) | mm | 57 | 60 | 64 | 67 | 70 | 73 | 78 |
| Net weight, aluminum conductor (stranded and solid) | kg/m | 3.0 | 3.2 | 3.3 | 3.7 | 4.2 | 4.8 | 5.5 |
| Net weight, copper conductor (stranded only) | kg/m | 4.1 | 4.7 | 5.5 | 6.4 | 7.5 | 9.0 | 11.0 |
| Minimum bending radius: during laying (stranded conductors) | m | 0.80 | 0.86 | 0.93 | 0.98 | 1.03 | 1.10 | 1.19 |
| Minimum bending radius: installed (stranded conductors | m | 0.66 | 0.71 | 0.77 | 0.82 | 0.86 | 0.92 | 0.99 |
| Minimum bending radius: during laying (solid aluminum conductors) | m | 0.77 | 0.83 | 0.89 | 0.95 | 1.00 | 1.05 | 1.14 |
| Minimum bending radius: installed (solid aluminum conductors) | m | 0.64 | 0.70 | 0.74 | 0.79 | 0.83 | 0.88 | 0.95 |
| Electrical properties: | ||||||||
| Approximate reactance per phase@50Hz | Ω/km | 0.126 | 0.119 | 0.113 | 0.109 | 0.105 | 0.101 | 0.098 |
| Operating capacitance per phase @50kV and 50Hz | Ω/km | 0.17 | 0.19 | 0.22 | 0.23 | 0.25 | 0.27 | 0.30 |
| Charging current @20kV and 50Hz | Ω/km | 0.617 | 0.689 | 0.798 | 0.834 | 0.907 | 0.979 | 1.088 |
- Place of Origin: Made In China
- Brand Name: ECHU
- Model Number: 20kV