1) This information is only valid provided that the ambient temperature is not noticable raised by heat loss.Page 5-K-22
HD 604 S1:1994/A1:1 997
Part 5 Section К
Table А.З(а)
Conversion factor for multi-core cables in single- and three-phase systems
and for d.c.-ooerated sinale-core cables
|
1 |
2 |
3 |
||||||||||||||||
|
1 |
Arrangement of cables |
. Cables touching |
||||||||||||||||
|
Number of cables side by side |
1 |
2 |
3 |
4 |
6 |
9 |
|
|||||||||||
|
2 |
Laying on ground |
0,97 |
0,85 |
0,78 |
0,75 |
0,71 |
0,68 |
|
||||||||||
|
3 |
Laying on trays (no circulation of air) |
Number of trays |
|
|
|
|
|
|
S' ? £ J' |
І |
||||||||
|
1 |
0,97 |
0,85 |
0,78 |
0,75 |
0,71 |
0,68 |
||||||||||||
|
2 |
0,97 |
0,84 |
0,76 |
0,73 |
0,68 |
0,63 |
|
|||||||||||
|
3 |
0.97 |
0,83 |
0,75 |
0,72 |
0,66 |
0,61 |
— . |
|||||||||||
|
6 |
0,97 |
0,81 |
0,73 |
0,69 |
0,63 |
0,58 |
|
|||||||||||
|
4 |
Laying on cable ladders |
Number of ladders |
|
|
|
|
|
|
I 'i 'i і ? |
SEfieSSSSil • S длійічйили _ |
||||||||
|
1 |
1,00 |
0,87 |
0,82 |
0,80 |
0,79 |
0,78 |
||||||||||||
|
2 |
1,00 |
0,86 |
0,80 |
0,78 |
0,76 |
0,73 |
||||||||||||
|
3 |
1,00 |
0,85 |
0,79 |
0,76 |
0,73 |
0,70 |
||||||||||||
|
6 |
1,00 |
0,83 |
0,76 |
0,73 |
0,69 |
0,66 |
||||||||||||
|
5 |
Number of cables one over another |
1 |
2 |
3 |
4 |
6 |
9 |
|
||||||||||
|
6 |
On framework or on wall |
0,95 |
0,78 |
0,73 |
0,72 |
0,68 |
0,66 |
I |
£ 1 |
|||||||||
|
7 |
Arrangement for which a reduction is not necessary 1) |
Any number of cables can be arranged side by side |
1 і і • |
,a .a. q ,i .а..а..й—4 1 -J«i- |
||||||||||||||
і 1) This information is only valid provided that the ambient temperature is not raised I noticable by heat loss. Permissible short-circuit temperature and rated short-time current densities
Table A.4
Cables with copper conductor
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
' 12 |
|
Insulation |
permissible operating temperature |
permissible short-circuit temperature |
Conductor temperature at the beginning of short circuit in °С |
||||||||
|
90 |
80 |
70 |
65 |
60 |
50 |
40 |
30 |
20 |
|||
|
Crosslinked polymer compound |
9O°C |
250°C |
Rated short-time current density < in A/mm2 for a rated short-circuit duration of 1s |
||||||||
|
143 |
149 |
154 |
157 |
159 |
165 |
170 |
176 |
181 |
|||
|
Thermoplastic polymer compound |
90“C |
170“C |
106 |
113 |
120 |
124 |
127 |
134 |
141 |
147 |
154 |
Table A.5
Cables with aluminium conductor
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
Insulation |
permissible operating temperature |
permissible short-circuit temperature |
Conductor temperature at the beginning of short circuit in °С |
||||||||
|
90 |
80 |
70 |
65 |
60 |
50 |
40 |
30 |
20 |
|||
|
Crosslinked polymer compound |
90°C |
250°C |
Rated short-time current density < in A/mm2 for a rated short-circuit duration of 1s |
||||||||
|
94 |
98 |
102 |
104 |
105 |
109 |
113 |
116 |
120 |
|||
|
Thermoplastic polymer compound |
90°C |
170°C |
70 |
76 |
80 |
82 |
84 |
89 |
93 |
97 |
102 |
Page 5-K-24
HD 604 S1:1994/A1:1997
Part 5 Section К
BLANK PAGE'
2) For cables having copper conductors of all other nominal cross-sectional areas, the conductors shall be not tinned.
1Excerpt from "Design and Construction Rules for Electrical Equipment of Nuclear Islands (RCC- Е)" published by "Association franchise pour les rdgles de conception et de construction des matgriels des chaudi^res 6lectro-nucl6aires, (AFCEN)", chapter C 2242 (1993).
2Excerpt from (RCC-E), chapter D 7400 (1993)
3 Clause numbers refer to this section unless stated otherwise
4 Variation: Difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter.
N/A: Test not applicable.
5 Clause numbers refer to this section unless stated otherwise.
6 Circular solid conductors (class 1).
' Shaped solid conductors (class 1).
* Cables having conductors of nominal cross-sectional area BOmm2 and above have shaped solid conductors (class 1).
7 Circular solid conductors (class 1).
T Shaped solid conductors (class 1}.
* Cables having conductors of nominal cross-sectional area 50mm2 and above have shaped solid conductors (class 1).
8ri Excerpt from 'Design and Construction Rules for Electrical Equipment of Nuclear Islands (RCC-E)', published by 'Association franQaise pour regies de conception et de construction des matdriels des chaudi6res dlectro-nucldaires, (AFCEN)’, chapter D 2200 (1993).
Excerpt from 'Design and Construction Rules for Electrical Equipment of Nuclear Islands (RCC-E)', published by 'Association francaise pour rdgles de conception et de construction des mat6riels des chaudi^res 6lectro-nucl6aires, (AFCEN)', chapter D 2242 (1993).
Excerpt from (RCC-E), chapter D 7400 (1993).
9 Variation: difference between the median value after ageing and the median value without ageing,
expressed as a percentage of the latter.
10 Only when tensile test after ageing is not practicable because of adherence between insulation and conductor or separator, if any.
11 Values should be recalculated if tapes are applied around conductors to comply with fire resistant requirements.
12 Variation: Difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter.
N/A: Test not applicable
13 Circular solid conductors (class 1).
‘ Shaped solid conductors (class 1).
+ Cables having conductors of nominal area 50mm2 and above have shaped solid conductors (class 1).
14 Circular solid conductors {class 11.
4 Shaped solid conductors (class 1).
+ Cables having conductors of nominal area 50mm2 and above have shaped solid conductors (class 1).
15 Circular stranded copper conductors (Class 2)
+ The number of cores given here are preferred. Other numbers are permitted subject to agreement between purchaser and manufacturer, and where such other numbers are manufactured, the dimensional details shall be as for the next highest preferred number of cores.
16 Variation: difference between the median value after ageing and the median value without ageing, expressed
as a percentage of the latter.
17 Only when tensile test after ageing is not practicable because of adherence between insulation and conductor or separator, if any.
18 Variation: difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter.
19 All tests to be considered as type tests.
20 Clause numbers refer to this section unless stated otherwise.
21 Variation: Difference between the median value after ageing and the median value without ageing,
22expressed as a percentage of the latter.
23 Circular or compacted circular stranded conductors (class 2)
m Shaped stranded conductor (class 2)
131 Cables having conductors of nominal cross-sectional area 50mm2 and above have shaped stranded conductors (class 2)
* Type 2 cable sizes
24 Type 2 cable sizes
Note: With a dual layer sheath on Type 2 cables, the minimum thickness of any layer shall not be less than 0.8mm nominal.
25Circular or compacted circular stranded copper conductors (class 2).
26 Type 2 sizes
27 HD 405.3
