6kV~35kV 中低壓銅芯及鋁芯交聯(lián)聚乙烯絕緣電力電纜（YJV電纜，YJV22電纜，YJLV電纜，YJLV22電纜）
XLPE Insulated Power Cable
交聯(lián)聚乙烯絕緣電力電纜是采用化學(xué)方法或物理方法,使聚乙烯分子由線型分子結(jié)構(gòu)轉(zhuǎn)變?yōu)槿S網(wǎng)狀結(jié)構(gòu),由熱塑性的聚乙烯變成熱固性的交聯(lián)聚乙烯,從而進(jìn)步了聚乙烯的耐老化機(jī)能、機(jī)械機(jī)能和耐環(huán)境能力，并保持了優(yōu)良的電氣機(jī)能。
交聯(lián)聚乙烯絕緣電力電纜導(dǎo)體的答應(yīng)長期最高溫為90攝氏度，較低絕緣電纜、聚氯乙烯絕緣電纜和聚乙烯絕緣電纜高，且具有重量輕、結(jié)構(gòu)簡樸、使用利便、耐化學(xué)侵蝕和敷設(shè)不受落差限制等長處。
26/35KV電力電纜，18/30KV交聯(lián)電纜，12/20KVYJV電纜，8.7/15KVYJV22電纜線，6/10KV鋁芯交聯(lián)電纜線，3.6/6KVYJLV單芯電纜
中低壓交聯(lián)電纜產(chǎn)品尺度 Standard
本產(chǎn)品按GB12706《額定電壓35V及以下銅芯、鋁芯塑料絕緣電力電纜》尺度出產(chǎn)，同時還可根據(jù)用戶需要按國際電工委員會推薦尺度IEC、英國尺度、德國尺度及美國尺度出產(chǎn)。
The product is manufactured according to the standard of《GB12706 or IEC、BS、DIN and ICEA upon request.
合用范圍 Applications
本產(chǎn)品合用于工頻額定電壓3.6/6kv～26/35kv輸配電線路作配送電能子用。
The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv～26/35kv.
使用特性 Operating characteristics
· 工頻額定電壓U0/U為3.6/6kv～26/35kv。
Rated power-frepuency voltage U0/U: 3.6/6kv～26/35kv.
· 電纜導(dǎo)體的最高答應(yīng)工作溫度：90℃。
Max.admissible operating temperature of the conductor:90℃.
· 短路時（最長時間不超過5s）電纜導(dǎo)體的最高溫度不超過2500C。
Max. short-circurt temperature of conductor shall not exceed 2500C.
（5s maximum duration）
· 電纜敷設(shè)時環(huán)境溫度應(yīng)不低于00C。
The ambient temperature under installation should not below 00C.
· 電纜彎曲半徑：三芯電纜不小于電纜外徑15倍；單芯電纜不小于電纜外徑20倍。
The bending radius of a single-core cable should not less than 20 times of the cable diameter.
The bending radius of a single-core cable should not less than 15 times of the cable diameter.
電纜額定電壓的選擇 Voltage designation
· 電纜的額定電壓應(yīng)適合于電纜系統(tǒng)的運行狀況，用U0/U（Um）kv表示。
U0－電纜設(shè)計用的導(dǎo)體對地或金屬屏蔽之間的額定工頻電壓；
U－電纜設(shè)計用的導(dǎo)體間的額定工頻電壓；
Um－設(shè)備可承受的“最高系統(tǒng)電壓”的最大值。
The rated voltage of the cable for a given applixation shall be suitable for the operating conditions
in the system in which the cable is used,and is expressed in the form of U0/U（Um）kv
Where:
U0－The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed;
U － The rated power-frequency voltage between conductos, for which the cable designed;
Um－ The maximum value of the“highest system voltage”for which the equipment may beused.
· 三相系統(tǒng)用電纜的U0值推薦如下表：
The values of U0 recommened for cable to be used in three-phase systems are listed below:
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U kv
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U m kv
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U 0 * kv
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A 和 B 類系統(tǒng) System categories A and B
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C 類系統(tǒng) Systems categories C
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6
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7.2
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3.6
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6
|
10
|
12
|
6
|
8.7
|
15
|
17.5
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8.7
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12
|
20
|
24
|
12
|
18
|
30
|
36
|
18
|
－
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35
|
40.5
|
21
|
26
|
|
A類系統(tǒng)──該類系統(tǒng)任何一相導(dǎo)體與地和接地導(dǎo)體接觸時，能在1min內(nèi)與系統(tǒng)分離
B類系統(tǒng)──該類系統(tǒng)僅包括單相接地故障短時運行的前提，接地故障時間應(yīng)不超過1h, 但在任何情況下，最長不超過8h每年接地故障總持續(xù)時間不超過125h；
C類系統(tǒng)──不屬于A類、B類的系統(tǒng)。
System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min.
System category B ──This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h.
System categeory C──This category comprises all systems which do not fall into A and B
電纜的型號Type of cable
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型號 Type
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名稱 Designation
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合用范圍 Application
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YJV
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銅芯交聯(lián)聚乙烯絕緣氯乙烯護(hù)套電力電纜 Copper conductor,XLPE insulated and PVC sheathed power cable
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室內(nèi)、地道及電纜溝等場所，不能承受機(jī)械外力。單芯電纜不答應(yīng)敷設(shè)在磁性管道中。 For laying indoors 、 intunnel or cable trench,unable to bear external mechan-icalforces.Single-core cable in magnetic duct is not permissible
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YJLY
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鋁芯交聯(lián)聚乙烯絕緣乙烯護(hù)套電力電纜 Aluminium conductor, XLPE insulated and PVC sheathed power cable
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YJY
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銅芯交聯(lián)聚乙烯絕緣氯乙烯護(hù)套電力電纜 Copper conductor ,XLPE insulated and PEsheathed power cable
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YJLY
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鋁芯交聯(lián)聚乙烯絕緣氯乙烯護(hù)套電力電纜 Alumimium conductor ,XLPE insulated and
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