| Ⅰ Standard
GB14049-93
Ⅱ
Application
aerial
power conveyance circuits under voltage of AC rated voltage（U0）of 10（12）KV and 35（42）KV.
Ⅲ
Character
a)
Rated Voltage of 10KV，35KV
b)
Cable laying temperature higher than -20℃。
c)
Highest temperature during short circuit（5S）：HDPE insulated 150℃；XLPE insulated 250℃
d)
Highest permanent work temperature of
cable conductors：
i.
Cables bearing weight：HDPE insulated 75℃；XLPE insulated 90℃；
ii.
Though cables bearing no weight are
not stipulated in GB, their temperature shouldn't exceed what's
stipulated in item a.
e)
Malfunction time of cables with single
phase connection with earth is less than 1min once ，or 8h the longest and annual total
less than 125h.
f)
Allowable bending radius at least：a、single core cable 20（D+d）+-5%，TR structure 20Dmm；b、multicore
cable 15（D+d）+-5%mm。
Ⅳ
Sizes
Form 1
Type |
Name |
Application |
JKY
JKTRY
JKLY
JKLHY |
copper core polythene insulated aerial
cable
soft copper core polythene insulated
aerial cable
aluminum core polythene insulated
aerial cable
aluminum alloy core polythene insulated
aerial cable |
fixed aerial laying. TR structure is specially for downleads of transformers. Cables
should be kept a distance from trees during laying;
when laid, they are allowed to touch refularly
with trees. |
JKYJ
JKTRYJ
JKLYJ
JKLHYJ |
copper core crosslinked polythene insulated aerial cable
soft copper core crosslinked polythene insulated aerial
cable
aluminum core crosslinked polythene insulated aerial cable
aluminum alloy core crosslinked polythene
insulated aerial cable |
JKLYJ/B
JKLHYJ/B |
aluminum core original color crosslinked polythene insulated aerial cable
aluminum alloy core original
color crosslinked polythene insulated aerial cable |
Fixed aerial laying. In running, regular touches with trees
are allowed. |
JKLY/Q
JKLHY/Q |
aluminum core light polythene insulated aerial cable
aluminum alloy core light polythene insulated aerial cable |
Fixed aerial laying. In laying, brief
touches with trees are allowed. |
JKLYJ/Q
JKLHYJ/Q |
aluminum core lightcrosslinked polythene insulated aerial cable
aluminum alloy core light crosslinked polythene insulated aerial cable |
Ⅴ
Sizes
Form 2
Type |
Cores |
Rated
Voltage KV |
10 |
35 |
Nominal
Section mm2 |
JKYJ
JKTRYJ |
1
3 |
10~300
25~300 |
50~300
------- |
JKLYJ
JKLHYJ |
3+K（A）
3+K（B） |
25~300
some 25~120 |
JKLYJ/B |
3 |
25~300 |
JKLHYJ/B |
3+K（A）
3+K（B） |
25~300
some 25~120 |
JKY
JKTRY
JKLY
JKLHY
JKLYJ/Q
JKLHYJ/Q
JKLY/Q
JKLHY/Q |
1 |
10~300 |
Annotation：（1）“TR”structure 10-120mm2。
（2）K is weight bearing wire. Designers ascertain required section
to match responding conductor section.
（3）We can provide special products on
customers' requirement.
Ⅵ Structure
| 
