4 1X7.3 Соуарпя-flf Iha inner sheath
The surface of the inner sheath shall be covered by the armour/РЕ conductor for at least 80% and the gap between the elements shall not exceed 2mm.
4* 1.3,7Л Check of construction
Compliance with the above specified requirements shal be checked by inspection and measurement. For the percentage of coverage of a braided armour/PE conductor the calculation method is given in sub-clause 2.1 '7 of HD 60S.
HD 604 SI;f 994
Part 5 Section C
4.1,3.7.5 Electrical resistance
The electrical resistance of the combined armour/РЕ conductor shell not exceed the specified value for each type and sire of cable shown in the Tab)a V. VI and VII as appropriate.
Additionally, the resistance of ths ermour/PE conductor measured on a length of 20m with (he current source at one side connected to 5% of the number of elements of the braided armour or 2 adjacent steel wires of the helceMy applied armour she I not exceed 2,5% of the specified maximum vakie per km.
Compliance shall be checked by the test given In sub-clause 3.1.3,1 and 3.1 -3*2 respectively of HD 605.
41.3.7 6 Mutual interaction
There shall be no harmful interactions between the armour/РЕ conductor and the inner sheath or oversheath. Inspection after the test given in HD 505.1,2. Sub-clause 8.1.4 shall show no impairment of the armour/PE conductor.
The following ageing conductions apply: - temperature ; <100 ± 2} °С ' duration : 7 x 24h
Separator
The separator, if any, shall consist of a plastic tape or an equivalent layer around the amnour/PE conductor.
Qvtfahfifiih
The oversheath shaN be non-halogenated compound of Type ZH,/ST complying with iha norvelectrical requirements given in Table I. The overaheath shall be applied around the amrour/PE conductor, or a tape. If any. The thickness of the oversheath fur cables with a number of cores not exceeding five, shall comply with the specified value given in Tables V or VI.
For cables with more than five cores the specified value for the thickness of the over shea th is 1.3mm for cables with a number of cores uo to and including 40 and 2.1mm for cables with more than 40 cores.
Overall сКагтшвг
For cables with an armour/PE conductor no limits for the mean overall diameter are prescribed.
4.1.4 Tests
Compliance with the requirements of sub-clause 4.1,3 and the appropriate requirements of Part 1 shall be checked by inspection arid by the tests specified к» ТаЫе ll-A.4,2 Screened cabtea Double screened. cross linked polyethylene insulated and nonhatooenatad thsathad. cable
Code rtesionaікш (Provisional)
I Under consideration by TC20)
YMZ'Kafasmbzh for single core cable*
2,-YMztKBfasmbift for multicore cable*
Rated voltjiae
0.6/1 kV
Construction
Conductor
Number of copper conductors 1, 3 PC 5
rhe conductor* shall comply with the requiremeota of HD 383. For each size of cable the class of conductor is given In Table VHL
Separator
A separator of suitable material may be applied around each conductor. If required. tapes may be applied to comply with fire resistant requirement*.
Insulation
The insulation shell be XLPE compound complying with the лол-electrical requirements given in Tabla I. The insulation thickness shall comply with th* value specified in Table Vlll.
4 Cttiour schemed the core*
The core of the single core cable shall be coloured green/yellow. For three and five core cable* the core with the largest cross-sectional area shall be coloured grten/yeltow.
Assembly of cores and filler
The core* of muhteore cables shall be twisted together A centre filler may be used.
Inner cover»no
The twisted cores shall be covered by an extruded inner covering consisting of unvulcanised rubber or plastic compound. It shai be ро**4Я* to separate the core* easily.
Inner sheath for multicore cable
The sheath shall be non-halogenated compound of Type ZH^/ST complving with the non-electneat requirements given in Table I.
The sheath shal ba applied around the inner covering.
It shall fit closely but not adhere to the inner covering. The sheath thickness shall comply with the specified values grven in Table VIII.
Screens
4.2,3 8.1 Composition
The screen shall be composed as follows:
a symmetrical galvanised steel wire braid;
a separator of non-hygroscopic material e.g. a tape or an extruded layer;
a symmetrical plain or tinned copper wire braid.
The screen shall be applied around the insulation of smgte-core cables and around the inner sheath of mufbeora cables.
The screen may Pt covered by a separator of non-hygroecop*c material.
Diamgw ot th» уу|мі
The nominal diameter of the wires of (he braid shal not be less than the specified value tor each size of cable shown in Table VI11, However, each value measured shall not be less than 90% of the nominal value plus 0.03mm nor be more than 110% of the nominal value plus 0.03mm.
Compliance with Iha above mentioned requirements shaM be checked by inspection and measurement.
Electrical resistance
The electrical resistance of the copper braid shall nor exceed the specified value for each size of cable shown in Tabla VW.
Compliance shall be checked by the test given in sub clausOJ Л.1 of HD 605.
2.38.4 Screening efficiency
The transfer impedance at the frequency of 30 MHz shall not exceed 1Q ohmfem.
Compliance shall be checked by the test given in EC 96-1 r sub* Clause A.5.1 and A.B-2.
♦.2.3.9 Separator
The separator, if any, shall consist of a plastic tape or an equivalent toy er around the screen.
4.2JJ0
Sheath and oversheath
The (over) sheath shall be non-halogenated compound of Type ZH,/ST complying with (he nori-electrlcal requirement* given in Table I, The sheath and ovarsheath ehal be applied around the screen or separator, if any, of respectively tingle-core and mulbcore cables.
tt shall fit closely but not adhere to the screen. The thickness of the (over)sheath than comply with the specified values given in ТаЫе VII I,
4.2.3.11
Overall diameter
For screened cables no limits for the mean overall diameter are prescribed.
4.2.4 Tests
Compliance with the requirements of sub-clause 4.2.3 and the appropriate requirements of Part 1 shall be checked by inspection and by the tests specified in Table ІЬВ.
Tetri* 1 - Requirements for the nonelectrical tost for crots4ink*d palyetiiyltnt
insulation «nd ncn-haloflefiated she sth
|
1 |
2 |
3 |
4 |
6 |
6 |
|
flat. No |
T«t |
ІМИ |
Compound XLPE |
Compound ZH.rst |
Tear method described m Pubteatfon |
|
1 |
Tanada err ano th and * lonoa tkxi |
|
|
|
HD 606.1.1. «ub-cteuM 9Л |
|
|
|
|
|
|
for maubtion. and sub cleuM 9,2 lor oheeth |
|
1Л |
Propwiiea in iha state •» doFwed |
|
|
|
|
|
1,1*1 |
V*kjee to be obtained far th* t unite strength: талап. mm |
M/mm* |
12 6 |
5 |
|
|
1.1.2 |
Value* to be obt*m*d to» th* elongation x break: ' median. mm |
% |
2БС |
126 |
|
|
1,2 |
Prppertiaa after egeetg in ait oven of XLFE Imubtkm |
|
|
|
HD 506 .1.2 |
|
1Д.1 |
Ageing condfthHH in relation to lensJo feet after apa*MJ ’ temperature - {Aral ion of treatment |
-c h |
1« ± 3 Юж 24 |
■ |
&ub-chL« 6.1.3.2 a] or b» ■e аррпзрпеіе |
|
1.2.2 |
Vaftj** to be obtained for the Tenete strength: variation (If, гпаж. |
% |
± 25 |
- |
|
|
1,2.3 |
Vafuet to Im oblaoed tar їм elongation al break: - variation П1, так. |
4 |
3 25 |
- |
|
II) Variation; difference between the median value after ageino and the median value without ageing, expressed es a percentage of the Utter.Page 5-C* 14 MD 604 $1:1994
Pvt 5 Section C
ТаЫа I (continued) • Requlrementt for the non-electrical feet for crosslinked polyethylene
Insutation and ncm4iaiog«nited «heath
|
1 |
2 |
3 |
4 |
6 |
6 |
|
Rai. No |
Teat |
QtM |
Compound XLP£ |
Compound ZH/BT |
Тем кім*"** deecrAed in Pubkcation |
|
1.2,4 |
Agtwig oondHbone for band teal (2) alter ageing: іеггрегмиге - diMaUori of iroaiment |
bC h |
160 ± 3 7 и 24 |
л |
Sub-cleuw 6. ил |
|
|
Result Ю be obtained |
|
Abaenee of сгосАв |
|
|
|
13 |
ProperttM •fie' egestg in ak oven Of ZH./ST ihMth |
|
|
|
H© 506,14. eub etouea 3.1 •nd HD 505.1.1. pjb*c4auae S.2 |
|
1.11 |
Ageing condhin - temperature ' duration of treatment |
*C h |
ч о |
100 ± 2 10 к 24 |
|
|
1Л.2 |
VeiuB» to in obtained for the ten «Є» strength: n*edent min, - venation lb max. |
We*n’ * |
* г |
1 30 |
|
|
1,3.3 |
Vetoee to be obtained tor the •tongetton el toeek < median, rnm variety 3), шок |
H/mm' |
* |
1 30 |
|
|
2 |
Hot *ei teat of XLPf klftuletinfi |
|
|
|
HD BOB 2 t Clause 3 |
|
2J |
Toit condkiofw; - lempareutro - lima under toed - mec hamsei etreee |
•c min. N/mm1 |
200 ± 3 16 <U0 |
|
|
|
22 |
Vakjee to be obtened: - HongatkMt under toed, max. etongatton after cooling, max. |
|
100 16 |
- |
1 |
(2) Only when teniie teat after ageing ia not practicable because of Mfierence between insulation and conductor or separator, if any,
ІЗ) V a net Ion; difference between the median value after ageing end the median value without ageing,
expressed as a percentage of the latter
Table I (concluded) - Raqunemetitt for the гюп-electric al last for cron-linked polyethylene
Insulation and nornhalog mated sheath
|
1 |
2 |
3 |
4 |
Б |
в |
|
Л* No |
Test |
Unit |
Compound XLPt |
Compound 2H./ST |
Test method deecrttoad Л PubScation |
|
I 4 |
Ігтжмсі test at tow птоагіпла |
|
|
|
НОБОС1-4. aub- |
|
В .1 a.2 e |
Test С0ГМЙЮПС
IhWi to bo obtsmed ТогиіІ» test eher ігтгііілгдімі m |
•c |
a Л |
-« *. 2 SM HD БО5.1.4. iub-cteuflo В.5.Б JwHD БОБ, 1.4, «uPctauM ВЛЛ Sae HDBOB.) Ж MiP-ctouM з Б.В |
flteuaa З Б HD БОБ. 2.1 Cl 10 A |
|
|
minyei ail |
|
|
|
HD604.1.1 ft>4MS2 |
|
9Л ел 9.3 |
T»M condktons; - tempera**® of ol - duration of oil immerwon Teniile >vor>flth ' V» not tart 31 ток. Bonpation et Preet ver tot tart 31 mm. |
•C h % % |
- |
70 і 2 4 1 40 ± 40 |
|
|
10 |
Water atrfomtion Gravimetric method |
|
|
|
HD S0M.3. tub- cleuaa 0.2 |
|
10.1 10.2 |
Ти* condidom • temperature ' duration of water immeraion Venetian of там, том, |
•c da ya mgZcfl»1 |
* |
70 ± 2 10 10 |
|
|
11 |
Qzono metooct tEMhor A ar Bi |
|
|
|
|
|
11Л 11,1,1 |
Method A: Той condMtana - toot temperature ■ toot dtxelion • ozone ДОюогДгаІіоп Resuft to te obtained |
h ppm |
- |
2Б t 2 24 JfiO to 300 Abtanca of cracKe |
HD Б0БЛ.1, wb cAause В |
|
114 11.2,1 |
Method В Том oond»tam toot temperature - test dirotton «гопа Ddncortpotton Result to pa obtained |
•C h pphffi |
r Л |
40 1 2 72 200 Abflprce of cnwts |
HD 22.2 SuO-Offluee 7.3 |
|
12 |
Acidity of combustion рмм pHtwoigmod awwnumf |
|
4Л |
4.3 |
нової |
|
|
Conductivity (weighted mnimuml |
f/Sfrnm |
10 |
10 |
|
Table I t continued > - Require™™» for the non-ebctrical test for сто «-linked po^ethylene
hsulatior and ncn-hdoftnated sheath
|
1 |
2 |
a |
4 |
Б |
6 |
|
НеГ No |
Tost |
Unit |
Compound XLFE |
СеагфоиМ ZH./BT |
Teat method described In fttblieatron |
|
a |
Teel поп-сани am Wion 41 |
|
|
|
|
|
ЗЛ |
Ageing condrtkXW komporaiura ‘ duration of treatment |
•c h |
100 ± 2 7м 24 |
100 і 2 7x 24 |
HD 606.1.2, *wb> douse 8.1.4 |
|
3.3 |
Mechanical properties after eQeng Values to be etrtainod |
|
As kt ref. nod. 1.2.2 & 1.2.3 |
Ae tn rot, nos. 132 & 1.3.3 |
|
|
4 |
Meet ihocfc teal |
|
|
|
НО БОБ.3sub- |
|
4Л |
Teat conditions: - temperature - dkoetton at treatment |
■c h |
- |
160 X 2 1 |
сівша 8.2 |l |
|
4.3 |
Reeixf to be obtained |
|
- |
Absence <4 cracks |
|
|
Ь |
Pressure TMt at hiah twnoororura |
|
|
|
НО Б06.3.1, sub- |
|
БЛ |
Тем согкМюи»! ' force ewsnad by the blade |
|
- |
SeeHOSO5.3l. su b< haute 8.2.4 |
clause 8.2 |
|
|
’ duration of heating under toad |
h |
- |
Bee НО 6О6 3Л, •ub'Ctous* 8.2. Б |
|
|
|
- temperature |
•C |
- |
60 £ 2 |
|
|
6.2 |
Riftjk to b« obtained: - median of the depth of penetration, там. |
% |
- |
БО |
|
|
8 ел |
Band rest at tow lomporgture Teet conditions» tomporeiure - period of apples Itoh ©Г low temparaturo |
•c |
- |
■16 r 2 See MD 6ЮБЛ.4, subdeuM 8.2.3 |
HD 6081 4. sub- ctouse 8-2 |
|
8 2 |
Result to be ©Marred |
|
* |
Absence of creeks |
|
|
7 |
Etonosiion test at tow |
|
|
|
HD 606-1.4, sub- |
|
7.1 J 7.3 |
T«« conditions ■ temperature - ported of application of low temperature Result to b» obteinodt olonqatton wfthour tweak, mln. |
■c 4 |
a |
-18 о 2 Seo HD M6.1.4, еиЬ-СЙиМ 6.4.4 8 8,4.6 ЗО |
clausa 8.4 |
