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抗水树型电力电缆

产品标准
Standards
本产品按Q/320282DCE083-2008《额定电压6-35kV 交联聚乙绝缘抗水树型电力电缆》标准
生产,同时还可根据用户需要按国际电工委员会标准EC、英国标准、德国标准及美园标准
生产
The products shall be manufictured according to standard Q/320282DCE083-2008 and also as per
IEC, BS, DIN and lCEA as requested.
适用范围
Application
本产品适用于工频额定电压3.6/6-26135kV设在潮湿,地下水较丰富场合下埋地电缆或要
求具有水树生长性能的、安全可运行的输配电线路。
The produets shall be suitable for buried cables under the moist, abundant groundwater or water tree
growth inhibiting and safely operating transmission and distribution lines of rated voltages of
3.66kV 265 kV
Properties
产品特点
抗水树型电缆绝缘选用具有绝缘电、水树生长性能的TR-XLPE 绝缘料,该产品依据
DLT 1070-2007《中乐交联电缆抗水树性能鉴定试验方法和要求》经过360天的加速水树老化试
验,各项电气性能指标基本上没有变化。大大提高电缆的寿命和安全可靠性,是交联电缆升级换
代产品。防水型采用纵包铝塑复合带和聚经结合构成综合护层等工艺,达到纵向和径向阻水功
T'R cabies shall be insulated by eleetrical and water tree growth inhibiting TR insulated compound
Afer 360-day water tree ageing accumulation test according to standard DL/T1070-2007 Qualification
Test Methods and Requirements for Tree Retardant Perfommance of Medium Voltage XLPE Power
Cables, all electrical performances remain basically unchanged, The products prolong the cables' lives
and improve safety, and they are the upgrade of XLPE insulated cables. Water-proof cables combine Al.
plastic tape and polyolefin sheath and have longitudinal and radical water-blocking properties.
 使用特性
Operating conditions
工频额定电压U0U 为3.66-26/35kV
Rated power fregueney voltage UoU :3.66ky-2635 kV
电缆导体的长期允许高工作温度为90℃
Max permissible continuous operating temperature ofconduclor, 90C.
短路时(长持续时间不超过5S)电缆导体的高温度不超过250℃
Max, short-circuit temperature ofthe conductor shall not exceed 2$0'C, (5S maximun duration)
电缆敷设时环境温度应不低于0℃
The installation temperature should not be below 0`C.
电缆阳燃性能满足GBT18380-2001标准中A类、B类、C类相应指标要求。
The flame-retardant properties ofcable comply with grde A, B.C ofGB/T18380-2001
电缆额定电压选择
Voltage Designation e
◆电缆额定电压应适合于电缆的系统的运行状况,用UU(Um)表示,单位
为kV
Do-电缆设计用导体与屏蔽或金属套之间的额定工作电压:
U一电缆设计用导体之间的额定工频电压:
Um-设备可承受的高系统电压大值。
The rated voltages of the cable for a given applieation shall be suitable for the operating condition in
the system in which the cable is used, and is expressed in the fonn of UoU (Um) are applied to the
system voltages and running state, and expressed in the fomm UoU kV,
Where:
Ulor-The rated power-frequency voltage between conductor and earth or metallic sereen, for which
the cable designed:
UThe rated power- lrequeney voltage between conduetors for which the cable designed:
Um The maximum value of the highest system voltage for which the equipment may be used.
◆三相系统用电缆的Uo值如下表:
The values Uo recommended for cables used in three-phase systems are listed below.
kv
6
1o
ts
20
30
35
Um
そレ
72
’蚺に
17.$
24
36
A 和B 类系统工程
System categories A and B
6
87
P
2
C 类系统工程
System categories C
87
12
18
26
●一类一用于单相接地故障时间每一次一般不大于1min ,亦可用于长不超过8 小时,每
年影计不超过125小时的系统
●二类一用于接地故障时间更长的系统及对电缆绝缘性能要求较高的场合
The first class cable-suitable for single-phase earth fault time not more than one minute each time or
max.8 hours, and not exceed 125 hours in all in one year.
The second class cable-suitable for more the carth fault time and beter insulated performanee.
型号说明
Type deseription
抗水树电缆特征代码
TR-XLPE cable code
KS
销导体Copper conductor
(T)省路:Omnt
铝导作Aupinium conductor
交联聚乙福绝涂X距i5ao
Y
复合护房 Comnbined sbcsith
AY
外护代号Codeoter shcad
按GBT2952 规定
阳燃性能代号Code ofFame retrdnuce property
按GBT19666 规定
电缆的型号、名称
Type, Designation of cable.
型号
Type
名称 Designation
销芯
铝芯
铜(铝)范抗水树交联聚乙桶绝缘电力电逸
Copper tAluminum) conductorTR.XtPl insulated power cable
KS YIV
KS-YJLV
嗣(绍)葛抗水树交联梁乙绝缘钢带范装电力电
Copper CAlminum) conductot TR-XLpE insulaled seel tape armored power cabie
KS-YIV22
KS JL 22
9(昭)芯抗水树交联聚乙始绝缘缈钢匏装电力电擦
Copper (aluminiummy conductor TR-Xt PE insalated sleel wire amnored power cabke
KS YIV32
KS YJLV32
赋(铝)芒交联聚乙桥绝缘防永复合护阳电力电缆
Copper (Alumitum) coedactor XLPE insnlated water-proofcombned sheathed
power chhie
YLAY
YAY
侧(铝)芯交联聚乙烯维缘防永复合护织钢带装电力电规
copper(Alantinum) conducer XLPE insalaved water-proof combined sheathed
steel tupe aron'd Tnwer cable
Y1AY22
YJLAY22
副(圉1芯交联聚乙烯绝缘防水复合护层细馆装电力电
Copper (Aluminam)conductor XLPE insulated waier-proof conblned sheathed
sieel wire srmred ghwer cable
YJAY32
YILAY32


电缆敷设运行条件
Installation
载流量计算条件:
Current ratings are calculated for the following installation conditions:
@导体高工作温度Max, Rated operating temperamure of conduclor 90c
@环境空气温度Ambicnticmperatre 40℃
@上壤沿度 Soil temperalure 25'℃
@丰壤热阻系数Soilthermalresisiviy1.0C.mW
令坪设深度 Dcpth0.8m
今仅考虑一个回路 Single circuil only
今单芯电缆为水平数设间距为一个电统外径
Single core cable is paralleled instnlltion, Adjcent spaee is equivalent to the diameter of cable.
●环境条件对电缆载流量的修正系数
Rating factors of current mling for ambient condition
◇上壤微设 Liying in soil
不同土壤温度下裁流量修正系数
Rating faclors of current rating for different soil temperature
土壤温度℃
Sod temperalure
系数
Rating faclors
5
1.07
20
1.04
1.0
0.55
55
0.92
40
0.87
45
0.83
不同土壤热阻载流量的修正系数
Raling factors of current rating for soil thermal resistivity
土壤热阻
Soi thenmel
resistivity ic.miw
15
30
2 5
34
10
12
35
三芯电缆
Singie core cable
单芯电缆
Three core cable
1.0
1.0
0.943
493洋
0.877
0.850
0.792
0.748
0.736
0.692
0.675
0.635
0.641
0.598
不同土壤温度下载流量修正系数
Rating factors of curent rating for different soil temperature
环境空气温度℃
Ambhent temperature i
系数
Rating factors
20
118垲餮蔷
25
1.14
110
3s
シヌ炅纳.05
40
10
明5
0.95
0.89

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