广 州 南 洋 电 缆 有 限 公 司
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广州南洋电缆有限公司

投标报价中心

(Tender Quatation) Sales center

标签模块
64/110kV电缆技术
64/110kV cable
127/220kV电缆技术
127~220kVcable
500kV电力电缆技术
64/110kV电缆技术

额定电压64/110kV交联聚乙烯绝缘皱纹铝套聚()乙烯护套电力电缆

一、产品执行标准

50/66kV: IEC 60840

64/110 kV: GB/T11017 IEC 60840

76/132 kV: AS/NZS 1429.2


二、使用条件

2.1 使用场合

适用于室内、隧道、管道等场所敷设,可承受压力作用,并能承受一定的牵引力,电缆具有可靠的径向阻水功能。ZC-YJLW02ZR-YJLW02-Z、适用于有防火要求的场所敷设,FY-YJLW02-ZFY-YJLW03-Z适用于有防蚁要求的场所敷设;


2.2 电力系统额定电压

电缆允许的额定电压U0UUm值如下:



表中:U0:电缆设计用的导体与屏蔽或金属屏蔽之间的额定电压(相电压)

U:电缆设计时用的导体之间的额定电压(线电压)

Um:设备最高电压(使用设备的系统最高电压的最大值)

2.3 频率:4961Hz

2.4 电缆导体最高额定工作温度:90℃。

2.5 电缆导体短路时最高额定工作温度(短路时间不超过5s):250℃。

2.6系统中性点接地方式:

66kV电缆:经消弧线圈接地。

110220kV电缆:直接接地系统。


三、电缆型号和产品表示方法

3.1 代号表示

3.2 产品型号

3.3 产品表示方法


电缆型号依次由特性代号、绝缘、导体、金属套、非金属护套、阻水结构的代号、额定电压)、规格(芯数、标称截面)及标准编号表示

例如:

3.3.1   ZC-YJ LW 02-Z-64/110KV-1*1200

ZC……………………………………………………………阻燃C

YJ…………………………………………………………….交联聚乙烯绝缘(铜芯)

LW…………………………………………………………..皱纹铝套

02……………………………………………………………聚氯乙烯护套

Z……………………………………………………………..纵向阻水

64/110KV……………………………………………….电压等级

1*1000…………………………………………………..单芯电缆导体标称截面

产品表示方法:额定电压64/110KV、单芯、铜导体标称截面1200mm2、交联聚乙烯绝缘皱纹铝套聚氯乙烯护套纵向阻水阻燃C类电力电缆

3.3.2  FY-YJ L LW 03-Z-127/220KV-1*1600

FY…………………………………………………….防白蚁

YJ……………………………………………………..交联聚乙烯绝缘

L………………………………………………………铝芯

LW……………………………………………………皱纹铝套

03…………………………………………………….聚乙烯外护套

Z………………………………………………………纵向阻水

127/220KV………………………………………电压等级

1*1600……………………………………………单芯电缆导体标称截面

产品表示方法:额定电压127/2200KV、单芯、铝导体标称截面1600mm2、交联聚乙烯绝缘皱纹铝套聚乙烯护套纵向阻水防白蚁电力电缆


四、产品结构

4.1 产品结构示意图

规格型号YJLW03-64/110KV-1*1600mm2



规格型号:YJLW03-64/110KV-1*1600mm2


4.2 产品结构

4.2.1 导体

导体材料采用铜芯紧压圆形导体或扇形分割导体。导体标称截面积大于或等于800mm2时,应采用分割导体结构,其结构和直流电阻应符合GB/Z 18890规定。

标称截面630mm2及以下电缆铜导体中的单线应不少于53根,标称截面800 mm21600mm2电缆铜分割导体中的单线应不少于170根,标称截面1800mm2及以上电缆铜分割导体中的单线应不少于265根。

导体的表面应光洁、无油污、无损伤屏蔽及绝缘的毛刺、锐边以及凸起或断裂的单线;


4.2.2 导体屏蔽和绝缘屏蔽

导体屏蔽应由半导电包带和挤出半导电层组成,其厚度近似值为2.0mm,其中挤包半导电层厚度近似值为1.5mm。挤包半导电层应均匀地包覆在半导电包带外,并牢固地粘在绝缘层上。半导电层与绝缘层的交界面应光滑,无明显绞线凸纹、尖角、颗粒、烧焦或擦伤痕迹。


4.2.3 绝缘

绝缘材料应为进口超净化可交联聚乙烯料,其性能应符合GB/Z  18890的规定。绝缘层的标称厚度应符合GB/Z 18890的规定,绝缘平均厚度与标称值应为正公差,其公差不大于其标称值的10%+0.1mm


4.2.4 绝缘屏蔽

绝缘屏蔽为挤包半导电层,其厚度近似值为1.0mm绝缘屏蔽应均匀地包覆在绝缘表面,并牢固地粘附在绝缘层上。绝缘屏蔽的表面以及其与绝缘层的交界面应光滑,无尖角、颗粒、烧焦或擦伤的痕迹。


4.2.5 防水层

径向防水层宜选用金属套,或采用综合防水层。绝缘屏蔽与金属套间应有纵向阻水结构,纵向阻水结构应由半导电阻水膨胀带绕包而成,半导电阻水带应绕包紧密、平整、无擦伤。


4.2.6 金属屏蔽  

金属屏蔽可用铜丝编织带、铜带或金属套等制作。

金属屏蔽、金属套截面应满足系统短路容量的要求。当金属套的截面不满足要求时,必须通过增加金属套厚度或增加铜线屏蔽等方式来满足。


4.2.7 金属套

金属套可为铅套或皱纹铝套,皱纹铝套与铅套均应符合GB/Z  18890的规定。铅套应采用符合JB/T 5268.2规定的铅合金;

皱纹铝套应采用纯度不小于99.6%的铝材制造,铝带的伸长率应不小于16%。焊接皱纹铝套不得有圆周方向的焊缝,焊缝内壁应平整,焊缝强度须不小于铝套强度,不得有明显突起。


4.2.8 沥青涂层

金属套表面应有电缆沥青或热熔胶防蚀层,涂覆在金属套上的防腐层应粘着良好,均匀完整,采用的电缆沥青应符合SH 0001的规定。


4.2.9 非金属外护套

采用单层护套结构时,应采用高密度聚乙烯(HDPE)、聚氯乙烯(PVC)材料 。外护套的性能、厚度及绝缘水平应符合GB/Z 18890的规定,表面应有不易脱落的连续性完好的导电层,外护套应有良好的防腐蚀、防蚁、防潮和阻燃性能;隧道内电缆非金属外护套应采用低烟低卤阻燃料,燃烧试验应取得国家消防部门认可的试验报告。

外护套需增加“退灭虫”(“Termigon”)或“退敌虫”防蚁护层时,采用双层护套结构,其中内层护套应采用高密度聚乙烯(HDPE)护套料,外层护套应采用“退灭虫”(“Termigon”) 或“退敌虫”防蚁护套料。

内层高密度聚乙烯护套厚度应为3.03.5mm,外层防蚁护套厚度应为2.0±0.1mm。内层高密度聚乙烯宜选用红色添加剂,以示和外层防蚁护套区别。防蚁护套应具有良好的抗腐蚀性(尤其是蚂蚁分泌的甲酸)、耐磨性和弹性。表面应具有较高的光洁度。


五、吊装、贮存、运输

5.1 吊装电缆应用满足重量要求的起重机及钢缆吊装,严禁几盘同时吊装,严禁从高处扔下装有电缆的电缆盘,严禁机械损伤电缆,吊装时不得磕碰、吊斜,起吊点要正确,要轻吊轻放。

5.2 电缆盘不允许平放或溜放,电缆附件应避免在露天存放,电缆及附件应避免接触有腐蚀性的物质,应采取必要的防火措施。并有专人经常巡视,防止因意外情况造成电缆及附件受到损伤。

5.3 装在车、船等运输工具上的电缆盘必须平稳放置,采用合适方法固定(如线盘托),防止互相碰撞或翻倒。

5.4 电缆盘(不论有无托架)放置的位置要平整,不得存放于大于5度的斜面上。电缆盘侧板上标有"电缆盘滚动方向""牵引头拉出方向";,牵引头拉出方向与放线方向一致,放线前,应确认无误。

64/110kV cable

Rated voltage 64kV/110kVXLPE insulated corrugated aluminum PE(PVC) sheathed power cable products introduction

1 Product Implementation standards

50/66kV: IEC 60840

64/110 kV: GB/T11017 IEC 60840

76/132 kV: AS/NZS 1429.2

127/220 kV: GB/Z 18890 IEC 62067


2 The use of conditions:

2.1 Use Occasions

Suitable for laying indoors, in tunnel, pipeline and other places, can bear the pressure, and can bear a certain traction, the cable has a reliable radial water resistance function. ZR-YJLW02-Z, ZC-YJLW02, applicable to the installation of fire requirements of the premises, FY-YJLW03-Z, FY-YJLW02-Z suitable for the installation of the requirements of the site where the ants;


2.2Rated Voltage in Power System

Allowable rated voltage value of cable U0UUm is as follows:


Type
Uo(kV)
U(kV)
Um(kV)
66kV cable
50.6
66
72.5
110kV cable
64
110
126



Table:

U0The rated voltage (phase voltage) between a conductor and a shield or a metal shield for the design of a cable.

URated voltage (line voltage) between conductors used in cable design

UmEquipment maximum voltage the maximum value of the highest voltage system using equipment


2.3 Frequency: 49 ~ 61Hz

2.4 The maximum rated operating  temperature of the cable conductor: 90.

2.5 The maximum rated operating temperature  of the short circuit of the cable conductor (short circuit time is not more  than 5S): 250.

2.6 System neutral grounding mode:

66kV cable: grounding through arc suppression coil.

110 ~ 220kV cable: direct grounding system.


Cable type and description

3.1 Code

3.2 Type


3.3 Product Description


The cable model is composed of characteristic code, insulation, conductor, metal sheath, non-metallic sheath , water blocking structure and rated voltage), specifications (core, the nominal cross-section) and standard code.


For example

3.3.1   ZC-YJLW 02-Z-64/110KV-1*1200

ZC……………………………………………………….Flame retardant C class

YJ………………………………………………………..XLPE insulated

T………………………………………………………...copper conductor( Omission)

LW…………………………………………………...Corrugated aluminum sheath

02……………………………………………………....PVC outer sheath

Z…………………………………………………………Longistudinal structure of Block Water

64/110K……………………………………………..Voltage grade

1*1200………………………………………..…….Single core and conductor nominal cross-section

Cable specification: Rate voltage 64/110kV,single core , copper conductor nominal cross section 1200mm2, XLPE insulated corrugated aluminum sheathed longitudinal blocking water flame retardant class C PVC sheathed power cable.

3.3.2   FY-YJ L LW 03-Z-127/220KV-1*1600

FY…………………………………………………..Anti-termites

YJ……………………………………………...XLPE insulated

L…………………………………………………….aluminum core

LW…………………………………………..…….Corrugated aluminum sheath

03………………………………………………….PE outer sheath

Z………………………………………………..….Longitudinal water proof

127/220KV………………………………..….Voltage grade

1*1600……………………………………..….Single core and conductor nominal cross-section

Cable specification: Rate voltage 127/220kV, single core, Aluminum conductor nominal cross section 1600mm2, XLPE insulated corrugated  aluminum sheathed longitudinal water proof flame retardant PE sheathed power cable.


4 Product Structure

4.1 Product Structure Diagrams


Specification Model: YJLW03-64/110KV-1*1600mm2

Specification Model: YJLW03-64/110KV-1*1600mm2


4.2 Product Structure

4.2.1 Conductor

Conductor material using copper core tight circular conductor or sector split conductor.  When the nominal cross-sectional area of the conductor is greater than or equal  to 800mm2, the  split conductor structure should be adopted, and the structure and the DC  resistance should be in accordance with the provisions of GB/Z 18890.


Nominal cross section 630mm2 and  following copper conductor cables line shall not be less than 53 root, nominal cross-sectional area of 800 mm2 to 1600mm2 copper cable segmentation conductor line shall not be less than 170 root, the nominal section 1800mm2 and  above cable copper segmentation single conductor shall not be less than 265  root.


The surface of the conductor shall be smooth, free from oil pollution, no damage to  the shield and the insulation of the burr, sharp edge and a convex or broken  line;


4.2.2 Conductor Shielding and Insulation Shielding

The conductor shield should be composed of a semi conductive package and an extruded semi conductive layer, the thickness of which is 2.0mm, and the thickness of the extruded semi conductive layer is 1.5mm. The extruded semi conductive layer should be evenly coated on the semi conductive tape outside, and firmly adhered to the insulating layer. The semi conductive layer and the insulating layer of the interface should be smooth, no obvious strand, sharp corners, strand particles, burnt or scratches.


4.2.3 Insulation

Insulation material should be imported super purified to cross linked polyethylene material, its performance should be in accordance with the provisions of GB/Z 18890. The nominal thickness of the insulating layer shall be in accordance with the provisions of GB/Z 18890, The average thickness of the insulation and the nominal value shall be the positive tolerance, the positive tolerance is not greater than the nominal value of 10%+0.1mm.


4.2.4 Insulation Shielding

The insulation shield is an extruded semi conductive layer, the thickness of which is similar to that of the 1.0mm insulation shield, which is evenly coated on the insulating surface and firmly adhered to the insulating layer. The surface of the insulation shielding and the interface between the insulation shield and the insulation layer should be smooth, with no sharp corners, particles, burnt or scratch marks


4.2.5 Waterproof Layer

The radial waterproof layer is advised to use the metal sleeve, or adopt the comprehensive waterproof layer. Insulation shield and the metal sleeve should be longitudinal resistance water structure, longitudinal resistance water structure should be semi conductive water resistance expansion tape wrapped into, semi conducting water-resistant tape should be wrapped tight, smooth and free of scratches.


4.2.6 Metal Shield

The metal shielding are made by copper wire or copper tape or metal sleeve etc.

Metal shielding and metal sleeve section should meet the requirement of system short circuit capacity. When the section of the metal sleeve does not meet the requirements, it must be met by increasing the thickness of the metal sleeve or increasing the copper wire shielding.


4.2.7 Metal Sleeve

The metal sleeve may be a lead sheath or wrinkle aluminum sleeve, and the wrinkle aluminum sleeve and lead sheath shall comply with the provisions of GB/Z 18890. Lead should be used in accordance with the provisions of JB/T 5268.2 lead alloy;

Wrinkle aluminum sleeve shall be made of aluminum with a purity of not less than 99.6%, the elongation of aluminum strip  shall be not less than 16%. Welded corrugated aluminum sleeve shall not have circumferential direction of the weld, the inner wall of the weld shall be  flat, the strength of the weld shall be not less than the strength of the aluminum cover, no obvious protrusion.


4.2.8 Asphalt Coating

Set of metal surface should be cable asphalt or hot melt adhesive anti-corrosion coating, anticorrosive coating on the metal sleeve layer should be good adhesion, complete and evenly, the bitumen cable should be in accordance with the provisions of SH 0001.


4.2.9 Non Metallic Sheath

High density polyethylene (HDPE) and polyvinyl chloride (PVC) materials should be used in the single layer jacket structure. The performance, thickness and insulation level of the outer sheath shall be in accordance with the provisions of GB/Z 18890, The surface should contain  a conductive layer which is not easy to fall off and good continuity, outer  sheath should have good anti-corrosion, anti ant, damp proof and flame retardant properties; Low smoke and low halogen resistance fuel should be used in the non metallic sheath of the cable in the tunnel. and combustion test should be achieved national fire department approval of the test report.

The outer sheath to increase the "pest control" ("Termigon") or "tuidi bug" anti termite  sheath,  should adopt double sleeve structure,. The inner sheath should use high density polyethylene (HDPE) sheath material, The outer jacket should be used "pest control" ("Termigon") or "tuidi bug" anti termite sheath material.

The inner high density polyethylene sheath thickness should be 3 ~ 3.5mm,  the outer sheath thickness should be 2 + 0.1mm. The inner high density polyethylene should  choose red additive, to show the difference between the outer layer and the anti  - ant sheath. The anti - ant sheath should have good corrosion resistance (especially formic acid), wear resistance and elasticity. Surface should have a  high degree of finish.


5 Lifting, Storage and Transportation

5.1 Hoisting cable applications meet the weight of crane and cable hoisting, prohibited  several dishes at the same time, hoisting, is strictly prohibited from throwing  height with cable of cable tray, non mechanical damage to the cables, lifting shall not bump, oblique hanging and lifting points to correct, to light hanging with care.

5.2 Cable tray does not allow flat or rolling, cable accessories should avoid storing in the open air, cables and accessories should avoid contact with corrosive substances, should take the  necessary precautions against fire. And there is a regular inspection, to prevent accidents caused by cable and accessories damage.

5.3 Installed in vehicles, ships and other means of transport of cable plate must be placed on a smooth, using appropriate fixation methods (such as line tray) to prevent colliding or overturned.

5.4 The position of the cable tray (whether or not there is no bracket) to be level, and shall not be stored on the  inclined plane of more than 5 degrees. Cable reel side superscript "cable  disc rolling direction" and "traction head out of the direction, traction head out of the direction and the line direction, placed in front of the line should be the confirmation.

127/220kV电缆技术

南洋电缆额定电压127/220kV交联聚乙烯绝缘皱纹铝套聚()乙烯护套电力电缆

一、产品执行标准

50/66kV: IEC 60840

64/110 kV: GB/T11017 IEC 60840

76/132 kV: AS/NZS 1429.2

127/220 kV: GB/Z 18890 IEC 62067


二、使用条件

2.1 使用场合

适用于室内、隧道、管道等场所敷设,可承受压力作用,并能承受一定的牵引力,电缆具有可靠的径向阻水功能。ZC-YJLW02ZR-YJLW02-Z适用于有防火要求的场所敷设,FY-YJLW02-ZFY-YJLW03-Z适用于有防蚁要求的场所敷设;


2.2 电力系统额定电压

电缆允许的额定电压U0UUm值如下:



表中:U0:电缆设计用的导体与屏蔽或金属屏蔽之间的额定电压(相电压)

U:电缆设计时用的导体之间的额定电压(线电压)

Um:设备最高电压(使用设备的系统最高电压的最大值)

2.3 频率:4961Hz

2.4 电缆导体最高额定工作温度:90℃。

2.5 电缆导体短路时最高额定工作温度(短路时间不超过5s):250℃。

2.6系统中性点接地方式:

66kV电缆:经消弧线圈接地。

110220kV电缆:直接接地系统。


三、电缆型号和产品表示方法

3.1 代号表示

3.2 产品型号

3.3 产品表示方法


电缆型号依次由特性代号、绝缘、导体、金属套、非金属护套、阻水结构的代号、额定电压)、规格(芯数、标称截面)及标准编号表示

例如:

3.3.1   ZC-YJ LW 02-Z-64/110KV-1*1200

ZC……………………………………………………阻燃C

YJ…………………………………………………….交联聚乙烯绝缘(铜芯)

LW…………………………………………………..皱纹铝套

02…………………………………………………..聚氯乙烯护套

Z…………………………………………………….纵向阻水

64/110K………………………………………...电压等级

1*1200…………………………………………..单芯电缆导体标称截面

产品表示方法:额定电压64/110KV、单芯、铜导体标称截面1200mm2、交联聚乙烯绝缘皱纹铝套聚氯乙烯护套纵向阻水阻燃C类电力电缆

3.3.2   FY-YJ L LW 03-Z-127/220KV-1*1600

FY…………………………………………………….防白蚁

YJ……………………………………………………..交联聚乙烯绝缘

L………………………………………………………铝芯

LW……………………………………………………皱纹铝套

03…………………………………………………….聚乙烯外护套

Z………………………………………………………纵向阻水

127/220KV………………………………………电压等级

1*1600……………………………………………单芯电缆导体标称截面

产品表示方法:额定电压127/2200KV、单芯、铝导体标称截面1600mm2、交联聚乙烯绝缘皱纹铝套聚乙烯护套纵向阻水防白蚁电力电缆


四、产品结构

4.1 产品结构示意图


规格型号: YJLW03-127/220KV-1*2500mm2


规格型号: YJLW03-127/220KV-1*1600mm2


4.2 产品结构

4.2.1 导体

导体材料采用铜芯紧压圆形导体或扇形分割导体。导体标称截面积大于或等于800mm2时,应采用分割导体结构,其结构和直流电阻应符合GB/Z 18890规定。

标称截面630mm2及以下电缆铜导体中的单线应不少于53根,标称截面800 mm21600mm2电缆铜分割导体中的单线应不少于170根,标称截面1800mm2及以上电缆铜分割导体中的单线应不少于265根。

导体的表面应光洁、无油污、无损伤屏蔽及绝缘的毛刺、锐边以及凸起或断裂的单线;


4.2.2 导体屏蔽和绝缘屏蔽

导体屏蔽应由半导电包带和挤出半导电层组成,其厚度近似值为2.0mm,其中挤包半导电层厚度近似值为1.5mm。挤包半导电层应均匀地包覆在半导电包带外,并牢固地粘在绝缘层上。半导电层与绝缘层的交界面应光滑,无明显绞线凸纹、尖角、颗粒、烧焦或擦伤痕迹。


4.2.3 绝缘

绝缘材料应为进口超净化可交联聚乙烯料,其性能应符合GB/Z  18890的规定。绝缘层的标称厚度应符合GB/Z 18890的规定,绝缘平均厚度与标称值应为正公差,其公差不大于其标称值的10%+0.1mm


4.2.4 绝缘屏蔽

绝缘屏蔽为挤包半导电层,其厚度近似值为1.0mm绝缘屏蔽应均匀地包覆在绝缘表面,并牢固地粘附在绝缘层上。绝缘屏蔽的表面以及其与绝缘层的交界面应光滑,无尖角、颗粒、烧焦或擦伤的痕迹。


4.2.5 防水层

径向防水层宜选用金属套,或采用综合防水层。绝缘屏蔽与金属套间应有纵向阻水结构,纵向阻水结构应由半导电阻水膨胀带绕包而成,半导电阻水带应绕包紧密、平整、无擦伤。


4.2.6 金属屏蔽  

金属屏蔽可用铜丝编织带、铜带或金属套等制作。

金属屏蔽、金属套截面应满足系统短路容量的要求。当金属套的截面不满足要求时,必须通过增加金属套厚度或增加铜线屏蔽等方式来满足。


4.2.7 金属套

金属套可为铅套或皱纹铝套,皱纹铝套与铅套均应符合GB/Z  18890的规定。铅套应采用符合JB/T 5268.2规定的铅合金;

皱纹铝套应采用纯度不小于99.6%的铝材制造,铝带的伸长率应不小于16%。焊接皱纹铝套不得有圆周方向的焊缝,焊缝内壁应平整,焊缝强度须不小于铝套强度,不得有明显突起。


4.2.8 沥青涂层

金属套表面应有电缆沥青或热熔胶防蚀层,涂覆在金属套上的防腐层应粘着良好,均匀完整,采用的电缆沥青应符合SH 0001的规定。


4.2.9 非金属外护套

采用单层护套结构时,应采用高密度聚乙烯(HDPE)、聚氯乙烯(PVC)材料 。外护套的性能、厚度及绝缘水平应符合GB/Z 18890的规定,表面应有不易脱落的连续性完好的导电层,外护套应有良好的防腐蚀、防蚁、防潮和阻燃性能;隧道内电缆非金属外护套应采用低烟低卤阻燃料,燃烧试验应取得国家消防部门认可的试验报告。

外护套需增加“退灭虫”(“Termigon”)或“退敌虫”防蚁护层时,采用双层护套结构,其中内层护套应采用高密度聚乙烯(HDPE)护套料,外层护套应采用“退灭虫”(“Termigon”) 或“退敌虫”防蚁护套料。

内层高密度聚乙烯护套厚度应为3.03.5mm,外层防蚁护套厚度应为2.0±0.1mm。内层高密度聚乙烯宜选用红色添加剂,以示和外层防蚁护套区别。防蚁护套应具有良好的抗腐蚀性(尤其是蚂蚁分泌的甲酸)、耐磨性和弹性。表面应具有较高的光洁度。


五、吊装、贮存、运输

5.1 吊装电缆应用满足重量要求的起重机及钢缆吊装,严禁几盘同时吊装,严禁从高处扔下装有电缆的电缆盘,严禁机械损伤电缆,吊装时不得磕碰、吊斜,起吊点要正确,要轻吊轻放。

5.2 电缆盘不允许平放或溜放,电缆附件应避免在露天存放,电缆及附件应避免接触有腐蚀性的物质,应采取必要的防火措施。并有专人经常巡视,防止因意外情况造成电缆及附件受到损伤。

5.3 装在车、船等运输工具上的电缆盘必须平稳放置,采用合适方法固定(如线盘托),防止互相碰撞或翻倒。

5.4 电缆盘(不论有无托架)放置的位置要平整,不得存放于大于5度的斜面上。电缆盘侧板上标有“电缆盘滚动方向”和“牵引头拉出方向”,牵引头拉出方向与放线方向一致,放线前,应确认无误。

127~220kVcable

Rated voltage 127kV/220kVXLPE insulated corrugated aluminum PE(PVC) sheathed power cable products introduction

1 Product Implementation standards

50/66kV: IEC 60840

64/110 kV: GB/T11017 IEC 60840

76/132 kV: AS/NZS 1429.2

127/220 kV: GB/Z 18890 IEC 62067


2 The use of conditions:

2.1 Use Occasions

Suitable for laying indoors, in tunnel, pipeline and other places, can bear the pressure, and can bear a certain traction, the cable has a reliable radial water resistance function. ZC-YJLW02-Z, ZC-YJLW02, applicable to the installation of fire requirements of the premises, FY-YJLW03-Z, FY-YJLW02-Z suitable for the installation of the requirements of the site where the ants;


2.2Rated Voltage in Power System

Allowable rated voltage value of cable U0UUm is as follows:


Type
Uo(kV)
U(kV)
Um(kV)
66kV cable
50.6
66
72.5
110kV cable
64
110
126
220kV cable
127
220
252



Table:

U0The rated voltage (phase voltage) between a conductor and a shield or a metal shield for the design of a cable.

U: Rated voltage (line voltage) between conductors used in cable design

Um: Equipment maximum voltage the maximum value of the highest voltage system using equipment


2.3 Frequency: 49 ~ 61Hz

2.4 The maximum rated operating temperature of the cable conductor: 90.

2.5 The maximum rated operating temperature of the short circuit of the cable conductor (short circuit time is not more than 5S): 250.

2.6 System neutral grounding mode:

66kV cable: grounding through arc suppression coil.

110 ~ 220kV cable: direct grounding system.


Cable type and description

3.1 Code

3.2 Type


3.3 Product Description


The cable model is composed of characteristic code, insulation, conductor, metal sheath, non-metallic sheath , water blocking structure and rated voltage), specifications (core, the nominal cross-section) and standard code.


For example

3.3.1   ZC-YJLW 02-Z-64/110KV-1*1200

ZC……………………………………………………….Flame retardant C class

YJ………………………………………………………..XLPE insulated

T………………………………………………………...copper conductor( Omission)

LW…………………………………………………...Corrugated aluminum sheath

02……………………………………………………....PVC outer sheath

Z…………………………………………………………Longistudinal structure of Block Water

64/110K……………………………………………..Voltage grade

1*1200………………………………………..…….Single core and conductor nominal cross-section

Cable specification: Rate voltage 64/110kV,single core , copper conductor nominal cross section 1200mm2, XLPE insulated corrugated aluminum sheathed longitudinal blocking water flame retardant class C PVC sheathed power cable.

3.3.2   FY-YJ L LW 03-Z-127/220KV-1*1600

FY…………………………………………………..Anti-termites

YJ……………………………………………...XLPE insulated

L…………………………………………………….aluminum core

LW…………………………………………..…….Corrugated aluminum sheath

03………………………………………………….PE outer sheath

Z………………………………………………..….Longitudinal water proof

127/220KV………………………………..….Voltage grade

1*1600……………………………………..….Single core and conductor nominal cross-section

Cable specification: Rate voltage 127/220kV, single core, Aluminum conductor nominal cross section 1600mm2, XLPE insulated corrugated  aluminum sheathed longitudinal water proof flame retardant PE sheathed power cable.


4 Product Structure

4.1 Product Structure Diagrams

Specification  Model:YJLW03-127/220KV-1*2500mm2



Specification  Model:YJLW03-127/220KV-1*1600mm2


4.2 Product Structure

4.2.1 Conductor

Conductor material using copper core tight circular conductor or sector split conductor. When the nominal cross-sectional area of the conductor is greater than or equal to 800mm2, the  split conductor structure should be adopted, and the structure and the DC  resistance should be in accordance with the provisions of GB/Z 18890.


Nominal cross section 630mm2 and following copper conductor cables line shall not be less than 53 root, nominal cross-sectional area of 800 mm2 to 1600mm2 copper cable segmentation conductor line shall not be less than 170 root, the  nominal section 1800mm2 and above cable copper segmentation single conductor shall not be less than 265  root.


The surface of the conductor shall be smooth, free from oil pollution, no damage to the shield and the insulation of the burr, sharp edge and a convex or broken  line;


4.2.2 Conductor Shielding and Insulation Shielding

The conductor shield should be composed of a semi conductive package and an extruded semi conductive layer, the thickness of which is 2.0mm, and the thickness of the extruded semi conductive layer is 1.5mm. The extruded semi conductive layer should be evenly coated on the semi conductive tape outside, and firmly adhered to the insulating layer. The semi conductive layer and the insulating layer of the interface should be smooth, no obvious strand, sharp corners, strand particles, burnt or scratches.


4.2.3 Insulation

Insulation material should be imported super purified to cross linked polyethylene material, its performance should be in accordance with the provisions of GB/Z 18890. The nominal thickness of the insulating layer shall be in accordance with the provisions of GB/Z 18890, The average thickness of the insulation and the nominal value shall be the positive tolerance, the positive tolerance is not greater than the nominal value of 10%+0.1mm.


4.2.4 Insulation Shielding

The insulation shield is an extruded semi conductive layer, the thickness of which is similar to that of the 1.0mm insulation shield, which is evenly coated on the insulating surface and firmly adhered to the insulating layer. The surface of the insulation shielding and the interface between the insulation shield and the insulation layer should be smooth, with no sharp corners, particles, burnt or scratch marks.


4.2.5 Waterproof Layer

The radial waterproof layer is advised to use the metal sleeve, or adopt the comprehensive waterproof layer. Insulation shield and the metal sleeve should be longitudinal resistance water structure, longitudinal resistance water structure should be semi conductive water resistance expansion tape wrapped into, semi conducting water-resistant tape should be wrapped tight, smooth and free of scratches.


4.2.6 Metal Shield

The  metal shielding are made by copper wire or copper tape or metal sleeve etc..

Metal shielding and metal sleeve section should meet the requirement of system short circuit capacity. When the section of the metal sleeve does not meet the requirements, it must be met by increasing the thickness of the metal sleeve or increasing the copper wire shielding.


4.2.7 Metal Sleeve

The metal sleeve may be a lead sheath or wrinkle aluminum sleeve, and the wrinkle aluminum sleeve and lead sheath shall  comply with the provisions of GB/Z 18890. Lead should be used in accordance with the provisions of JB/T 5268.2 lead alloy;

Wrinkle aluminum sleeve shall be made of aluminum with a purity of not less than 99.6%, the elongation of aluminum strip  shall be not less than 16%. Welded corrugated aluminum sleeve shall not have circumferential direction of the weld, the inner wall of the weld shall be  flat, the strength of the weld shall be not less than the strength of the  aluminum cover, no obvious protrusion.


4.2.8 Asphalt Coating

Set of metal surface should be cable asphalt or hot melt adhesive anti-corrosion coating, anticorrosive coating on the metal sleeve layer should be good adhesion, complete and evenly, the bitumen cable should be in accordance with the provisions of SH 0001.


4.2.9 Non Metallic Sheath

High density polyethylene (HDPE) and  polyvinyl chloride (PVC) materials should be used in the single layer jacket  structure. The performance, thickness and insulation level of the outer sheath shall  be in accordance with the provisions of GB/Z 18890, The surface should contain  a conductive layer which is not easy to fall off and good continuity, outer  sheath should have good anti-corrosion, anti ant, damp proof and flame  retardant properties; Low smoke and low halogen resistance fuel should be used  in the non metallic sheath of the cable in the tunnel. and combustion test  should be achieved national fire department approval of the test report.

The outer sheath to increase the "pest  control" ("Termigon") or "tuidi bug" anti termite  sheath,  should adopt double sleeve  structure,. The inner sheath should use high density polyethylene (HDPE) sheath  material, The outer jacket should be used "pest control" ("Termigon") or  "tuidi bug" anti termite sheath material.

The inner high density polyethylene sheath  thickness should be 3 ~ 3.5mm,  the outer sheath thickness should be 2 + 0.1mm. The inner high density polyethylene should  choose red additive, to show the difference between the outer layer and the anti  - ant sheath. The anti - ant sheath should have good corrosion resistance  (especially formic acid), wear resistance and elasticity. Surface should have a high degree of finish.


5 Lifting, Storage and Transportation

5.1  Hoisting  cable applications meet the weight of crane and cable hoisting, prohibited  several dishes at the same time, hoisting, is strictly prohibited from throwing  height with cable of cable tray, non mechanical damage to the cables, lifting  shall not bump, oblique hanging and lifting points to correct, to light hanging  with care.

5.2 Cable tray does not allow flat or  rolling, cable accessories should avoid storing in the open air, cables and  accessories should avoid contact with corrosive substances, should take the  necessary precautions against fire. And there is a regular inspection, to  prevent accidents caused by cable and accessories damage.

5.3 Installed in vehicles, ships and other means of transport of cable plate must be placed on a smooth, using appropriate fixation methods (such as line tray) to prevent colliding or overturned.

5.4 The position of the cable tray (whether or not there is no bracket) to be level, and shall not be stored on the inclined plane of more than 5 degrees. Cable reel side superscript "cable  disc rolling direction" and "traction head out of the direction, traction head out of the direction and the line direction, placed in front of the  line should be the confirmation.

500kV电力电缆技术

南洋电缆额定电压 500kV(Um=550kV)交联聚乙烯绝缘皱纹铝套聚(氯)乙烯护套电力电缆

一、 产品执行标准

GB/T22078.1-2008额定电压 500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件电力电缆系统-试验方法和要求

GB/T22078.2-2008额定电压 500kV(Um=550kV)交联聚乙烯绝缘电力电缆

GB/T22078.3-2008额定电压 500kV(Um=550kV)交联聚乙烯绝缘电力电缆附件


使用条件

2.1使用场合

2.1.1电缆导体最高允许温度:正常运行时为 90℃;短路时(最长 5s)为 250℃。

2.1.2电缆的安装最小弯曲半径推荐为 20  倍电缆外径。

2.1.3电缆的使用环境主要由电缆金属套和塑料外护套的性能确定

2.1.3.1金属套

铅套和皱纹铝套除适用于一般场所外,特别适用于下列场合:

—— 铅套电缆:腐蚀较严重但无硝酸、醋酸、有机质(如泥煤)及强碱性腐蚀质,且受机械力(拉力、压力、振动等)不大的的场所。

—— 皱纹铝套电缆:腐蚀不严重和要求承受一定机械力的场所(如直接与变压器连接,敷设在桥 梁上和竖井中等)。

2.1.3.2  塑料外护套    

—— 02 型(聚氯乙烯)外护套电缆主要适用于有一般防火要求和对外护套有一定绝缘要求的高压电缆线路;

—— 03 型(聚乙烯)外护套电缆主要适用于对外护套绝缘要求较高的直埋敷设的高压电缆线路。  如有必要用于隧道或竖井中时应采取一定的阻燃防火措施。


2.2电力系统额定电压

电缆允许的额定电压U0UUm值如下:

表中:

U0:电缆设计用的导体与屏蔽或金属屏蔽之间的额定电压(相电压)

U:电缆设计时用的导体之间的额定电压(线电压)

Um:设备最高电压(使用设备的系统最高电压的最大值)


三、电缆型号和产品表示方法

3.1 代号表示

注: 皱纹铝护套包括挤包皱纹铝护套和焊接皱纹铝护套,两种不同皱纹铝护套的代号均为LW不作区分,但焊接皱纹铝护套应在产品名称中明确,名称中未说明焊接皱纹铝护套的即为挤包皱纹铝护套。皱纹铜护套和皱纹不锈钢护套均为焊接金属护套。


3.2 产品型号


3.3 产品表示方法


电缆型号依次由特性代号、绝缘、导体、金属套、非金属护套、阻水结构的代号、额定电压)、规格(芯数、标称截面)及标准编号表示

3.3.1 电缆规格

额定电压290/500KV电缆的导体截面(mm2)为80010001200、(1400)、1600、(1800)、2000、(2200)、2500。其中括号内电缆规格为非优选导体截面;

3.1.2 型号依次由绝缘、导体、金属套、非金属护套及阻燃特性、防白蚁、阻水结构的代号构成:


3.1.2.1 ZC-YJ LW 02-Z-290/500kV-1*1600

ZC…………..…………..阻燃C

YJ………………………..交联聚乙烯绝缘(铜芯)

LW………….…………..皱纹铝套

02…………..…………..聚氯乙烯护套

Z…………….…………..纵向阻水

290/500kV………….电压等级

1*1600……….单芯电缆导体标称截面

产品表示方法:额定电压290/500KV、单芯、铜导体标称截面1600mm2、交联聚乙烯绝缘皱纹铝套聚氯乙烯护套纵向阻水阻燃C类电力电缆


3.1.2.2   FY-YJ L LW 03-Z-290/500KV-1*2500

FY…………..…………..防白蚁

YJ…………..……………交联聚乙烯绝缘

L…………..…………….铝芯

LW…………..………….皱纹铝套

03…………..…………..聚乙烯外护套

Z…………..…………….纵向阻水

290/500KV…………电压等级

1*2500…………...单芯电缆导体标称截面

产品表示方法:额定电压290/500KV、单芯、铝导体标称截面2500mm2、交联聚乙烯绝缘皱纹铝套聚乙烯护套纵向阻水防白蚁电力电缆


3.1.2.3   FY-YJ L Q 03-Z-290/500KV-1*2000

FY…………..…………..防白蚁

YJ…………..……………交联聚乙烯绝缘

L…………..…………….铝芯

Q…………..……………铅套

03…………..…………..聚乙烯外护套

Z…………..…………….纵向阻水

290/500KV………….电压等级

1*2000…………....单芯电缆导体标称截面

产品表示方法:额定电压290/500KV、单芯、铝导体标称截面2000mm2、交联聚乙烯绝缘铅套聚乙烯护套纵向阻水防白蚁电力电缆


四、产品结构

4.1 产品结构图

规格型号: YJLW03-Z-290/500KV-1*2500mm2


规格型号: FY-YJLW03-Z-290/500KV-1*2500mm2


4.2 产品结构

4.2.1 导体

电缆导体材料采用铜芯紧压圆形导体或扇形分割导体。当导体标称截面积为800mm2时,可任意选用紧压导体或分割导体结构。1000mm2及以上导体则采用分割导体结构, 导体的表面光洁、无油污、无毛刺、锐边以及凸起或断裂的单线;

当电缆导体标称截面为800mm2时,导体中的单线根数不少于53,当标称截面为1000mm21600mm2时,电缆铜分割导体中的单线不少于170根,标称截面为1800mm2及以上电缆铜分割导体中的单线不少于265根。


4.2.2 导体屏蔽

导体屏蔽由半导电包带和挤出半导电层组成,其厚度近似值为2.5mm,其中挤包半导电层厚度近似值为2.0mm

屏蔽用半导电材料采用超光滑可交联半导电材料。挤包半导电层均匀地包覆在半导电包带外,并牢固地粘在绝缘层上。半导电层与绝缘层的交界面光滑,无明显绞线凸纹、尖角、颗粒、烧焦或擦伤痕迹。


4.2.3 绝缘

绝缘材料采用进口超净化可交联聚乙烯料,绝缘平均厚度与标称值应为正公差,其公差不大于其标称值的10%+0.1mm


4.2.4 绝缘屏蔽

绝缘屏蔽为挤包半导电层,其厚度近似值为1.0mm。绝缘屏蔽应与导体挤包屏蔽层和绝缘层一起 三层共挤。绝缘屏蔽应均匀地包覆在绝缘表面,并牢固地粘附在绝缘层上。绝缘屏蔽的表面以及其与绝缘层的交界面应光滑,无尖角、颗粒、烧焦或擦伤的痕迹。


4.2.5 缓冲层、纵向阻水结构

缓冲层:在导体半导电屏蔽层外应有缓冲层,缓冲层可采用半导电性材料或具有纵向阻水功能的半导电阻水膨胀带绕包而成。绕包要求平整、紧实、无皱褶。

纵向阻水结构:对电缆的金属套内间隙有纵向阻水要求时,绝缘屏蔽与金属套间应有纵向阻水结构。

纵向阻水结构由半导电阻水膨胀带绕包而成,  半导电阻水带绕包紧密、平整、无擦伤。


4.2.6 金属屏蔽

金属屏蔽可用铜丝编织带、铜带或金属套等制作。

金属屏蔽、金属套截面应满足系统短路容量的要求。当金属套的截面不满足要求时,必须通过增加金属套厚度或增加铜线屏蔽等方式来满足。


4.2.7 金属套

金属护套分为铅护套和皱纹铝护套两种。

皱纹铝护套采用纯度不小于99.6%的铝材制造,铝带的伸长率应不小于16%。焊接皱纹铝护套焊缝内壁平整,焊缝强度须不小于铝套强度,不得有明显突起,不允许有圆周方向的焊缝。


4.2.8 沥青涂层

沥青涂层就是金属套表面的沥青或热熔胶防蚀层。防腐层附着性好,被均匀、完整地涂覆在金属套上;


4.2.9 非金属外护套

外护套分为单层外护套和双层外护套。采用单层护套结构时,应采用高密度聚乙烯(HDPE)、聚氯乙烯(PVC)材料 。外护套具有良好的防腐蚀、防蚁、防潮和阻燃性能;敷设于隧道内电缆非金属外护套应采用低烟低卤阻燃料,外护套表面都有不易脱落的连续性完好的导电层。

外护套需增加“退灭虫”(“Termigon”)或“退敌虫”防蚁护层时,采用双层护套结构,其中内层护套应采用高密度聚乙烯(HDPE)护套料,外层护套应采用“退灭虫”(“Termigon”) 或“退敌虫”防蚁护套料。

内层高密度聚乙烯护套厚度应为3.03.5mm,外层防蚁护套厚度应为2.0±0.1mm。内层高密度聚乙烯宜选用红色添加剂,以示和外层防蚁护套区别。防蚁护套具有良好的抗腐蚀性(尤其是蚂蚁分泌的甲酸)、耐磨性和弹性。表面具有较高的光洁度。


4.2.10 石墨半导电层

位于外护套表面有一层以石墨半导电层,半导电层均匀地包覆在外护套上。牢固的导电层作为外护套耐压试验时的外电极。


五、吊装、贮存、运输

5.1吊装电缆应用满足重量要求的起重机及钢缆吊装,严禁几盘同时吊装,严禁从高处扔下装有电缆的电缆盘,严禁机械损伤电缆,吊装时不得磕碰、吊斜,起吊点要正确,要轻吊轻放。

5.2  电缆盘不允许平放或溜放,电缆附件应避免在露天存放,电缆及附件应避免接触有腐蚀性的物质,应采取必要的防火措施。并有专人经常巡视,防止因意外情况造成电缆及附件受到损伤。

5.3  装在车、船等运输工具上的电缆盘必须平稳放置,采用合适方法固定(如线盘托),防止互相碰撞或翻倒。

5.4  电缆盘(不论有无托架)放置的位置要平整,不得存放于大于5度的斜面上。电缆盘侧板上标有“电缆盘滚动方向”和“牵引头拉出方向”,牵引头拉出方向与放线方向一致,放线前,应确认无误。

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