Table 2D (concluded)
|
1 |
2 |
3 |
4 |
|
Rei. Md. |
T««N |
Raqu ГвтвПТе |
Twt method eccotding id |
|
4.0.2 |
Rwutl to be obtimod: ■ light trenemittence, min. % 1 нЫе 2 свЫоб Э e»bl«* Ч мЫм N, ЬигчЯаі» |
70" 60 во 50 50 |
|
|
4.Б |
СнЫо meriting |
CUu«« 2.2 |
MD 22.2, tub'Ctou** 1.5 |
°’ Test to ba made on al л on-met a II >c components of the cable
** Values caquUtd tot each of the cable
** Nt - 45 cables. N2 - 45 bundles * D 30
•Each bundle shad consist of seven caNes twisted together with a lay between 20 and 300, and bound with two turns of approximate^ 0 5mm diameter wire in the centre end at every 100mm each aide from the centre.
и* Thais are provisional values, especially for cables having diameters above 70mm.
"* D « outer diameter in nvnТаЫ« 3 : Number of cores, conductor form and nominal c.i.a,
of conductors
|
Number of core* |
Conductor fiMtn |
Nominal c.<4. |
|
1 2 3 and 4 Б 7 up iq 1В above IB up to 40 |
round, Hkjtid round, ilrantted round, solid round. stranded round. solid round, •trended me tot stuped, sitanrfcd round. Solid: round, «trended round, solid; round, at tended tuund. solid; rouixl. stranded |
14 up to 10 mm* 14 upto 600 mm* 1.6 up to 16 mm* 14 де to БО mm1 1,6 up to 16 nun1 1 4 up to 600 mm’ 35 де to 300 mm* 14 де to 16 mm* 14 up ip 4 mm1 14 де to 24 mm* |
ТаЫе 4 : Assignment of reduced conductors to phase conductors
|
Nominal cross-sectional area of phase conductors mm* |
Nominal cross-sectional area of reduced conductors mm1 |
|
25 |
16 |
|
35 |
16 |
|
50 |
25 |
|
70 |
35 |
|
95 |
50 |
|
120 |
70 |
|
150 |
70 |
|
165 |
95 |
|
240 |
120 |
|
300 |
150 |
|
400 |
135 |
|
500 |
240 : _ . _ |
Table 5 : Insulation wal thicknesses
|
Nominal cross-sectional |
insulation thickness |
|
area of conductor |
specified value |
|
mm1 |
mm |
|
1.Б |
0-7 |
|
2.5 |
0.7 |
|
4 |
07 |
|
6 |
0.7 |
|
10 |
0.7 |
|
16 |
07 |
|
25 |
0.9 |
|
35 |
0.9 |
|
50 |
1.0 |
|
70 |
1.1 |
|
95 |
1,1 |
|
120 |
1 2 |
|
ISO |
1 4 |
|
165 |
1.6 |
|
240 |
1.7 |
|
300 |
1.8 |
|
400 |
2.0 |
|
500 |
2.2 |
Table 6 і Core assembly of cables having more than five coret
|
1 |
2 |
|
|
5 |
• |
|
No. of core* preferred waluM |
Nominal croetk sectional area mm* |
No. of cores m layer |
|||
|
1 |
2 |
3 |
4 |
||
|
7 |
1Л up To «nd including 4 |
1 |
e |
* |
A |
|
10 |
1 > $ up to end including 4 |
2 |
a |
a |
|
|
12 |
1.5 up to and including 4 |
3 |
9 |
e |
* |
|
14 |
L $ up to and including 4 |
4 |
10 |
|
|
|
1» |
1Л up to end іпсіклпр 4 |
1 |
e |
12 |
a |
|
24 |
1.Б; 2.Б |
2 |
8 |
14 |
- |
|
W |
1.&: 2.Б |
4 |
10 |
IB |
_ |
|
40 |
l.fr: 2-6 |
1 |
7 |
13 |
IS |
Table 7 2 Number, minimum cross-sectional area and maximum clearance between two adjacent witoiogs of binding tapes
|
Diameter 01’ ‘ under conoemric conductor |
Number o1 boding leper |
Мамшмп сгоаечіестіопеі area of each hndng tape |
Max «num clearance1* between winding* of bimfeng tepee |
|
£ 16mm |
1 |
0 5 mmr |
40 |
|
2 |
0,6 mm1 |
40 |
|
|
> 16mm |
1 |
1.0 mmf |
40 |
|
2 |
O.S mm* |
20 |
|B D • th» fabliau* diameter under (he concentric comluctcv calculated in accordance with ІЄС $02, Appendix A.
|Л In I he direction of the сеЬй <*<6-Tabla 8 : Assignment of cross‘Section al areas of concentric copper conductors of
cables having more than five cores to the number of cores and their conductor
cross sectional areas
|
1 |
2 |
3 |
4 |
|
|
Nominal cross-sectional areas of conductor |
||
|
|
|
mm* |
|
|
No. of cores ”* preferred values |
1.5 |
2 6 |
4 |
|
|
|
|
|
|
|
Nominal cross-sectional area of concentric conductor E |
||
|
|
|
mm* |
|
|
7 |
2.5 |
2,5 |
4 |
|
10 |
2.5 |
4 |
6 |
|
12 |
2.5 |
4 |
6 |
|
14 |
2.5 |
4 |
6 |
|
19 |
4 |
6 |
10 |
|
24 |
6 |
10 |
|
|
30 |
6 |
10 |
* |
|
40 |
10 |
10 |
|
|
111 For differing core numbers the next higher value for the cross- |
|||
|
sectional area of the concentric |
conductor shall be |
chosen |
|
Table 9 : Code designation (Provisional!
|
Symbol |
Cable; cable components |
|
N |
СэЫе according to this HD |
|
* |
No symbol; Cable having copper conductors |
|
2X |
Cross-linked poiyethyferie insulation |
|
C |
Concentric copper conductor |
|
H |
Thermoplastic non halogenated polyolefine sheath |
|
R |
Circular conductor |
|
S |
Sector shaped conductor |
|
E |
Solid conductor |
|
M |
Stranded conductor |
APPENDIX A
GUIDE TO USE
Scflfifi
This Guide to Use is valid for the application of cables according to HD 604 Part 5, Section G.
OhtfiCl
2 J This Guide to Use represents the present stance of technique and shall secure when applied in its limits the original cable properties after installation.
Recommendations for use
РягтіааЫв aopltcatictfia
Specified cables according to HD 604 Part 6, Section G may be laid indoors, tn air or concrete, Direct laying In the soil or in water is not permitted,
Highest permissible voltage
Cables rated at UortJ - 0.6/1 EV may be used jna.c. systems the highest permissible operation voltage of which is defined as follows:
Highest permissible voftage of three-phase systems: Um к 1,2kV
Highest permissible voltage of single-phase systems:
fa I two core* insulated-Um - I4kv
(b) one core insulated, one core earthed: Um - D.TkV
3'2.2 Cables rated at Uo/U - 06/1 kV may be used in d.c, systems having a maximum operating voltage between conductors or between conductor and earth of 1.8kV.
ЭЛ Concentric conductor
The concentric conductor may be used as PE-conductor. PEN-conducior or as a screen.
Recommendations for ^tpraae and transport
OgJuQQ
The distance between the outer cable layer of a filled-up-cable-delivery-drum and the head of the flange shsl be sufficiently high to avoid damages of the cable.
This distance shall bs 2D respectively at least 6cm,
In order to determine the size of the delivery-drum use the relation between cable-diameter and core dimeter of the relevant Octi very-drum given in Table Al-Page 5-G-22 HD 604 Ski 994 Part 5 Sactoon G
Table Al
|
сама Tvp« |
— Cor* tSemeiw of oebte *um"’ |
|
Specttted мЫи wtahcul metaMe cover ing tingle core mukloore ce* c Hmm1 mukfcore cat > Hmm’ 8pecrtled оаЫе with metaBc ocvetlng |
ISO 1W ISO 200 |
|
D - Outer diameter at ma cable: Mixiwm </stee aecording to rata vam cable standard, or manufaciurer** value*. 111 Ttiara ie no dkwot rataUonahip batwaen the core dwnetet according to Tabta 1 and iha bending radtea mentioned in Clauee 6 4 (er cable laying, beceue* m* iU«w« {loadal ar* comptateiy Oller ent, |
|
СаЫі-end aealing
Th* cable-and» have to be seated waterproof during transport* storage and laying.
3 Transport
For the transport of tilted up cable reds only suitable carriers shal be used
Cable drums with flange diameters exceeding 1m have to be transported with the drum-axis in horizontal position. The drums have to be protected against movement. Loading end unloading ahal be made by suitable devices to avoid damage to the cables and to the cable-drums.
A led-up cable-drum в shall be rolled only on short distances over plain solid ground in the direction indicated on the flange. The cable ends have to be tightened,
Short cable lengths may be coied to rings and transported and stored horizontaly. The permissible bending radii shall not fall short of the values given In sub-clause 5.4.
5. Recommendation for cable tevino
5*1 General remarks
The cable route* the laying method and the service ctxxftxxis shall be taken into account when selecting the type of cable.
5*1*1 Cables shall be Laid and operated In such a way that their properties are not endangered.
In this context the following items shall be Uken *mo account:
(a) The service conditions* fike concentrations of cable quantities, influence of external heat* protection against solar radiation, which form the basis for the selection of the cable type.
{bl Leakage or stray currents and corrosion.
{cl Vibrations (foundations of machines* bridges! shakes.
(d) The method of laying has to be selected in respect of the outer cable-sheath to avoid mechanical damages.
1«) Other influences, eg. chemical solvents.
If) Stress caused by peak short circuit currents (dynamic).
Cables shall be protected against mechanical damages occurring after installation.
Inner diameters of ducts and pipas shall have a diameter of at least 1.5 times of the cable c£s meter
In case of several cables within one pipe the diameter d the pipe has to bo so wide that the cables do not block themselves.
If it Is planned to lay smgto core cables of a three-phase-system through steel pipes, si cables belonging to th* sama system have to pass through the same pipe.
Lowest temperature permitted for cable lavtoa
The lowest allowed temperature of the cables during Installation and mounting of accessories is -5 °С.
This temperature is valid for the cable itself and not for the surrounding. In case cables do have a lower than the permitted temperature they must be warmed up
Care has to be taken that the temperature remains within the permitted range pl temperature during the whole laying procedure.
PuSino toads
For pulling in of cables by moans of a pulling-head st the copper conductors, the maximum value for the pulling force is 50 N/mm*. With this pulling force It is guaranteed that the permitted elongation of 0.2% for the conductor wll not be exceeded. The maximum pufltog force (И is calculated from the total of the csalSh The csa of the screens and of the concentric conductors shall not bo considered in this calculation.
P « S. о where Pin N v in N/mm1 S tn mm*
For the pulling In of cables without a me talc sheath or armouring, having ha to gen-frat polymeric insulation and sheath, the pulling force can be transmitted by a pulling grip via a frictional connection between the puUing grip and the conductor of the cable. Therefore the same pulkng toads apply at lor tub-clause 5.3.1.
For the simultaneous laying ol three single core cables by using only one pulling grip the sama maximum pulkng forces according to sub-clause 6.3Л apply. For three stranded single core cables the total pulkng force is three times while for three paraNei arranged cables only two times of the maximum permissible value for a single core cable.
It is assumed that the cable route is well designed for the laying procedure with well established curves and a sufficient number of cable rollers. Special attention shall be paid io the required minimum bending radii I see sub-clause Б.4І. The puUing forces shall be permanently supervised dunng rhe pull-in procedure e.g. by dynamometer with automatic interruption of pulling force.Bendina radius
During installation the bending radius shall not fall below the following values:
