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20kV Three Core Unarmored Power Cable buy in Zhengzhou
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20kV Three Core Unarmored Power Cable

20kV Three Core Unarmored Power Cable

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Description

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


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20kV Three Core Unarmored Power Cable
20kV Three Core Unarmored Power Cable
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