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High Voltage - NKT Cables - #9

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nkt
400 kV Single Core XLPE Cables with Copper Wire Screen and APL Sheath
Type (A)2XS(FL)2Y 1 x......RM/170 230/400 kV with stranded compacted conductor (RM)
Dimensions/Cross Sections
mm2
630
800
1000
Conductor, Cu or Al, round, stranded, 0
approx.
mm
30,0
34,2
38,1
XLPE insulation
nom.
mm
33,0
31,0
29,0
Screen, copper wire, cross section
nom.
mm2
170
170
170
Outer diameter
approx.
mm
118
118
118
Cable weight (Cu/Al)
approx.
kg/m
17/13
18/13
20/14
Permissible pulling force (Cu/Al)
max.
kN
32/19
40/24
50/30
Bending radius during laying
at terminations
Electrical Data
Cu conductor DC resistance at 20°C
Al conductor
min. min.
max. max.
2,95 1,75
0,0283
0,0469
2,95 1,75
0,0221 0,0367
2,95 1,75
0,0176
0,0291
m m
O/km O/km
Cu conductor AC resistance at 90°C
approx.
Q/km
0,0393
0,0317
0,0276
Al conductor
approx.
Q/km
0,0622
0,0500
0,0409
Field strength at U0 at conductor screen
approx.
kV/mm
12,8
12,7
12,8
at core screen
approx.
kV/mm
4,2
4,7
5,2
Capacitance per core
approx.
uF/km
0,119
0,134
0,150
Inductance
approx.
mH/km
0,46
0,44
0,41
Current Ratings/Power Ratings (continuous load) Cu conductor cables 1 circuit A/MVA 594/412
2 circuits A/MVA 481/333
636/441 512/355
671/465 538/373
Al conductor cables
1 circuit
2 circuits
A/MVA A/MVA
499/346 406/281
545/378 440/305
587/407 471/326
Type (A)2XS(FL)2Y 1 x......RMS/170 230/400 kV with segmental conductor (RMS)
Dimensions/Cross Sections
mm2
1000
1200
1400
1600
1800
2000
2500
Conductor, round, stranded, segmental, 0
approx.
mm
39,0
42,0
45,3
48,5
51,3
54,3
60,9
XLPE insulation
nom.
mm
29,0
27,0
27,0
27,0
26,0
26,0
26,0
Screen, copper wire, cross section
nom.
mm2
170
170
170
170
170
170
170
Outer diameter
approx.
mm
121
120
123
127
128
131
138
Cable weight (Cu/Al)
approx.
kg/m
20/14
22/14
24/15
26/16
28/17
30/18
36/20
Permissible pulling force (Cu/Al)
max.
kN
50/30
60/36
70/42
80/48
90/54
100/60
125/75
Bending radius during laying
min.
m
3,00
3,00
3,10
3,15
3,20
3,25
3,45
at terminations
min.
m
1,80
1,80
1,85
1,90
1,90
1,95
2,05
Electrical Data
Cu conductor DC resistance at 20°C
Al conductor
Q/km Q/km
0,0176
0,0291
0,0151 0,0247
0,0129 0,0113 0,0212 0,0186
0,0101 0,0165
0,0090 0,0072 0,0149 0,0119
max. max.
Cu conductor AC resistance at 90°C
approx.
Q/km
0,0232
0,0201
0,0175
0,0156
0,0142
0,0129
0,0109
Al conductor
approx.
Q/km
0,0375
0,0319
0,0275
0,0240
0,0213
0,0193
0,0156
Field strength at U0 at conductor screen
approx.
kV/mm
12,5
12,9
12,6
12,4
12,6
12,4
12,0
at core screen
approx.
kV/mm
5,3
5,9
6,0
6,1
6,5
6,5
6,7
Capacitance per core
approx.
uF/km
0,156
0,171
0,180
0,188
0,201
0,209
0,226
Inductance
approx.
mH/km
0,56
0,55
0,53
0,52
0,51
0,50
0,47
Current Ratings/Power Ratings (continuous load)
flat installation
Cu conductor cables
1 circuit
A/MVA
938/650
1001/694
1070/741
1125/779
1168/809
1212/840
1289/893
2 circuits
A/MVA
804/557
855/592
912/632
957/663
990/686
1026/711
1086/752
Al conductor cables
1 circuit
A/MVA
748/518
808/560
868/601
924/640
973/674
1016/704
1112/770
2 circuits
A/MVA
641/444
690/478
740/513
787/545
826/572
861/597
938/650
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