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,從而提高了聚乙烯的耐老化性能、機械性能和耐環(huán)境能力，并保持了優(yōu)良的電氣性能。
交聯(lián)聚乙烯絕緣電力電纜導(dǎo)體的允許長期Z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)簡單、使用方便、耐化學腐蝕和敷設(shè)不受落差限制等優(yōu)點。
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)品標準 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》標準生產(chǎn)，同時還可根據(jù)用戶需要按電工委員會推薦標準IEC、英國標準、德國標準及美國標準生產(chǎn)。
The product is manufactured according to the standard of《GB12706 or IEC、BS、DIN and ICEA upon request.
適用范圍 Applications
本產(chǎn)品適用于工頻額定電壓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Z高允許工作溫度：90℃。
Max.admissible operating temperature of the conductor:90℃.
· 短路時（Z長時間不超過5s）電纜導(dǎo)體的Z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“Z高系統(tǒng)電壓”的Z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: | | U kv | U m kv | U 0 * kv | | A 和 B 類系統(tǒng) System categories A and B | C 類系統(tǒng) Systems categories C | | 6 | 7.2 | 3.6 | 6 | | 10 | 12 | 6 | 8.7 | | 15 | 17.5 | 8.7 | 12 | | 20 | 24 | 12 | 18 | | 30 | 36 | 18 | － | | 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條件，接地故障時間應(yīng)不超過1h, 但在任何情況下，Z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 | | 型號 Type | 名稱 Designation | 適用范圍 Application | | YJV | 銅芯交聯(lián)聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor,XLPE insulated and PVC sheathed power cable | 室內(nèi)、隧道及電纜溝等場所，不能承受機械外力。單芯電纜不允許敷設(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 | | YJLY | 鋁芯交聯(lián)聚乙烯絕緣乙烯護套電力電纜 Aluminium conductor, XLPE insulated and PVC sheathed power cable | | YJY | 銅芯交聯(lián)聚乙烯絕緣氯乙烯護套電力電纜 Copper conductor ,XLPE insulated and PEsheathed power cable | | YJLY | 鋁芯交聯(lián)聚乙烯絕緣氯乙烯護套電力電纜 Alumimium conductor ,XLPE insulated and PEsheathed power cable | | YJV22 | 銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated, steel tape armoured and PVC sheathed power cable | 室內(nèi)、隧道、電纜溝內(nèi)，或埋地敷設(shè)等，能承受一定機械外力，但不能承受大的拉力。 For laying indoors 、 in tunnel, cable trench, or direct in ground,able to bear external mechanicalforces, but unable to bear large pulling force 。 | | YJLV22 | 鋁芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJV23 | 銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJLV23 | 鋁芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable | | YJV32 | 銅芯交聯(lián)聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor,XLPE insulated,steel wire armoured and PVC sheathed power cable | 室內(nèi)、隧道、電纜溝、豎井或埋地敷設(shè)等，能承受機械外力和一定的拉力。 For laying indoors 、 in tunnel, cable french, well or direct in ground,able to bear external mechanical forces, and certain force 。 | | YJLV32 | 鋁芯交聯(lián)聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated, steel wire armoured and PVC sheathed power cable | | YJV33 | 銅芯交聯(lián)聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable | | YJLV33 | 鋁芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Aluminium conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable |
| | 生產(chǎn)范圍Production range of cable | | 型號 Type | 芯數(shù) Nomber of cores | 額定電壓 Rated Voltage kV | | 3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | | 導(dǎo)體標稱截面 Nominal cross-section of conductlr mm2 | YJV
YJLV
YJY
YJLY | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-500 | 35-500 | 50-400 | 50-400 | 50-400 | YJV22
YJLV22
YJY23
YJLY23 | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-500 | 35-500 | 50-400 | 50-400 | 50-400 | YJV32
YJLV32
YJY33
YJLY33 | 1 | 25-800 | 25-800 | 25-800 | 35-800 | 50-630 | 50-630 | 50-630 | | 3 | 25-630 | 25-630 | 25-400 | 35-400 | 50-240 | 50-185 | 50-150 |
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