Homepage  |  Sitemap  |  Contact us
Language
Head office: 70-72 Nam Ky Khoi Nghia St.,
1st District, Ho Chi Minh City.
Tel: (84.8) 3829 9443 - 3829 2971 - 3829 2972.
Fax: (84.8) 3829 9437.

INSTRUCTION OF CHOOSING
LOW VOLTAGE WIRES & CABLES

I.2/ XLPE Insulated power cable

I.2.1/ Cables installed in air:

Current ratings and Voltage drop for CXV , copper conductors, XLPE insulated, unarmoured, PVC oversheathed cables,
Installed in air

Table 4

Ambient temperature 300C
Maximum Conductor temperature 900C

I.2.2/ Cables laid direct in ground:

Current ratings and Voltage drop for CXV/DTA , CXV/WA , copper conductors, XLPE insulated, armoured,
PVC oversheathed cables, Laid direct in ground

Table 5

Tiết diện ruột dẫn

Nom. area of cond.
Cáp 1 lõi , giáp sợi nhôm
(Single core cable, Aluminium wire armoured )
Cáp nhiều lõi, giáp sợi thép
( Multicore cable, Steel wire armoured )

2 cáp đặt tiếp xúc trong lưới điện xoay chiều 1 pha

Two cables touching,
single-phase (ac)




3 cáp tiếp xúc nhau theo hình 3 lá , 3 pha

Three cables trefoil touching, 3-phase

Cáp 2 lõi , lưới điện xoay chiều 1 pha

Two core cable ,
single-phase (ac)

Cáp 3 hay 4 lõi 


Three or four core Cable


Dòng điện định mức

Current ratings
Độ sụt áp

Approximate volt drop per amp per metre
Dòng điện định mức

Current ratings
Độ sụt áp

Approximate volt drop per amp per metre
Dòng điện định mức

Current ratings
Độ sụt áp

Approximate volt drop per amp per metre
Dòng điện định mức

Current ratings
Độ sụt áp

Approximate volt drop per amp per metre
mm2 A mV A mV A mV A mV
16 142 2.9 135 2.57 140 2.90 115 2.60
25 185 1.88 172 1.55 180 1.90 150 1.60
35 226 1.27 208 1.17 215 1.30 180 1.20
50 275 0.99 235 0.86 255 1.00 215 0.87
70 340 0.70 290 0.61 315 0.70 265 0.61
95 405 0.53 345 0.46 380 0.52 315 0.45
120 460 0.43 390 0.37 430 0.42 360 0.36
150 510 0.37 435 0.32 480 0.35 405 0.30
185 580 0.31 490 0.27 540 0.29 460 0.25
240 670 0.26 560 0.23 630 0.24 530 0.21
300 750 0.24 630 0.21 700 0.21 590 0.19
400 830 0.21 700 0.19 - - - -
500 910 0.20 770 0.18 - - - -
630 1000 0.19 840 0.17 - - - -
800 1117 0.18 931 0.16 - - - -
1000 1254 0.17 1038 0.15 - - - -

Basic assumptions and conditions of installation
Soil thermal resistivity 1.2 0C m/W
Ground temperature 15 0C
Dep th of lay ing 0. 5 metre
Maximum operating conductor temperature at rated current: 900C.

 
Page : 1  2  3  4  5  6  7  8
Introduction | Products | Members of CADIVI | Distribution network | News | Contact us
 
© 2006 Vietnam Electric Cable Corporation (CADIVI).
Head office: 70-72 Nam Ky Khoi Nghia St., 1st District, Ho Chi Minh City.
Tel: (84.8) 3829 9443 - 3829 2971 - 3829 2972. Fax: (84.8) 3829 9437. Email: cadivi@cadivi.com.vn