Basic Info.
Application
Overhead, Heating, Underground
Conductor Material
Copper
Material Shape
Round Wire
Range of Application
Refractory
Certification
ISO9001, CE, CCC, RoHS, VDE
Trademark
HUAYUAN YONGTONG
Product Description
1. GENERAL
This listed specification covers the structure, performance, test and packing information of EHV Power Cable as manufactured by Beijing Huayuan Gaoke Cable Co., Ltd.
Matters not mentioned in this technical specification shall be negotiated by purchaser & supplier. This document confirms the two parties agreement as technical agreement of contract unless otherwise in official written annexes.
2. APPLICALBE STANDARDS
The cable shall be designed, manufactured and tested according to international standards as follows:
Quality Control Standard |
ISO 9001 | Quality Management Systems |
ISO 14001 | Environmental Management Systems |
Component Material Standard |
IEC 60228 | Conductors of insulated cables |
Cable Standard |
IEC 60840 | Power cables with extruded insulation and their accessories for rated voltages above 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV) - Test methods and requirements |
3.CABLES STRUCTURE FOR 110kV CABLE
(1)CU/XLPE/AWS/AL-PE/HDPE 64/110(123)kV 1×400mm2
Structure | Nominal thickness mm | Nominal diameter mm |
1 Circular compact stranded copper conductor | 60/2.97 | 23.2±0.2 |
2 semi-conductive tape | 0.14 | 23.8 |
3 Conductor screen(wrapping & extruding) | 1.2 | 25.6 |
4 XLPE insulation | 17.5 | 60.6(-1.0,+1.5) |
5 Insulation screen | 1.0 | 62.6 |
6 semi-conductive water blocking tape | 2.0 | 64.6 |
7 Aluminum wire screen with aluminum tape wrapping(gap) | Sectional area 289mm2 | 69.9 |
8 semi-conductive water blocking tape | 0.6 | 70.9 |
9 AL-PE tape | 0.21 | 71.6 |
10 HDPE outer sheath | 4.0 | 79.6 |
11 semi-conductive layer (graphite coating) | | 79.6±3.0 |
(2) CU/XLPE/AWS/AL-PE/HDPE 64/110(123)kV 1×2000mm2
Structure | Nominal thickness mm | Nominal diameter mm |
1 Five(5) Milliken (segmental) copper conductor | 5*(91/2.48) | 54.7±1.0 |
2 semi-conductive tape | 0.14 | 55.3 |
3 Conductor screen(wrapping & extruding) | 2.0 | 58.7 |
4 XLPE insulation | 16.0 | 90.7(-1.5,+1.0) |
5 Insulation screen | 1.0 | 92.7 |
6 semi-conductive water blocking tape | 2.0 | 94.7 |
7 Aluminum wire screen with aluminum tape wrapping(gap) | Sectional area 275mm2 | 100.0 |
8 semi-conductive water blocking tape | 0.6 | 101.0 |
9 AL-PE tape | 0.21 | 101.7 |
10 HDPE outer sheath | 5.0 | 111.7 |
11 semi-conductive layer (graphite coating) | | 111.7±3.0 |
1. GUARANTEED TECHNICAL PARTICULARS
64/110(123)kV 1×400mm2
No | DESCRIPTION | UNIT | VALUEREQUIRED |
1 | Manufacturer | | Beijing Huayuan |
2 | Cable size | mm2 | 400(nominal) |
3 | Cable type | | CU/XLPE/AWS/AL-PE/HDPE |
4 | Voltage Grade(U0/U(Um) | KV | 64/110(123) |
5 | Reference Standard | | IEC 60840 |
6 | No. and cross sectional area of conductor | | 1C 400sqmm |
7 | Conductor material | | Copper |
8 | Shape | | Circular compact stranded |
9 | Nominal diameter of conductor | mm | 23.2 |
10 | Conductor Screen materials | | Simi-conduction tape + Extruded semi-conducting compound |
11 | Nominal thickness of conductor screen | mm | 1.2(wrapping + extruding) |
12 | Insulation material | | super clean XLPE |
13 | Nominal thickness of insulation | mm | 17.5 |
14 | Nominal diameter over insulation | mm | 60.6 |
15 | Insulation screen material | | Extruded semi-conducting compound |
16 | Nominal thickness of insulation screen | mm | 1.0 |
17 | Metallic Screen material | | aluminum wire screen with aluminum spiral binder tape (gap) |
18 | Short circuit current rating(t=1.0sec) | | |
| Of conductor | kA | 57.8 |
| Of metallic screen | kA | 28.5 |
19 | Outer sheath material | | HDPE |
20 | Nominal thickness of outer sheath | mm | 4.0 |
21 | Nominal overall diameter of cable | mm | 79.6 |
22 | Approx. weight of cable | kg/km | 7960 |
23 | Minimum bending radius | mm | 1600 |
24 | Max.D.C. Conductor resistance at20`C | Ω/km | 0.0470 |
25 | Nominal capacitance per phase | uF/km | 0.155 |
26 | Max. current rating in air at 40° C | A | 752(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected) |
27 | Max. current rating in ground at 25° C | A | 721(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected ,depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W,25ºC) |
28 | Max. conductor temperature on continuous | ºC | 90 |
29 | Max. conductor temperature in short circuit | ºC | 250(not exceed 5s) |
64/110(123)kV 1×2000mm2
No | DESCRIPTION | UNIT | VALUEREQUIRED |
1 | Manufacturer | | Beijing Huayuan |
2 | Cable size | mm2 | 2000(nominal) |
3 | Cable type | | CU/XLPE/AWS/AL-PE/HDPE |
4 | Voltage Grade(U0/U(Um) | KV | 64/110(123) |
5 | Reference Standard | | IEC 60840 |
6 | No. and cross sectional area of conductor | | 1C 2000sqmm |
7 | Conductor material | | Copper |
8 | Shape | | Five(5) Milliken (segmental) |
9 | Nominal diameter of conductor | mm | 54.7 |
10 | Conductor Screen materials | | Simi-conduction tape + Extruded semi-conducting compound |
11 | Nominal thickness of conductor screen | mm | 2.0(wrapping + extruding) |
12 | Insulation material | | super clean XLPE |
13 | Nominal thickness of insulation | mm | 16.0 |
14 | Nominal diameter over insulation | mm | 90.7 |
15 | Insulation screen material | | Extruded semi-conducting compound |
16 | Nominal thickness of insulation screen | mm | 1.0 |
17 | Metallic Screen material | | aluminum wire screen with aluminum spiral binder tape (gap) |
18 | Short circuit current rating(t=1.0sec) | | |
| Of conductor | kA | 287.4 |
| Of metallic screen | kA | 26.2 |
19 | Outer sheath material | | HDPE |
20 | Nominal thickness of outer sheath | mm | 5.0 |
21 | Nominal overall diameter of cable | mm | 111.7 |
22 | Approx. weight of cable | kg/km | 24590 |
23 | Minimum bending radius | mm | 2240 |
24 | Max.D.C. Conductor resistance at20`C | Ω/km | 0.009 |
25 | Nominal capacitance per phase | uF/km | 0.306 |
26 | Max. current rating in air at 40° C | A | 1984(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected) |
27 | Max. current rating in ground at 25° C | A | 1597(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected ,depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W,25ºC) |
28 | Max. conductor temperature on continuous | ºC | 90 |
29 | Max. conductor temperature in short circuit | ºC | 250(not exceed 5s) |
5. TEST REQUIREMENTS FOR EHV POWER CABLES
The cable testing shall be conducted in accordance with applicable standard of 110 kV Power Cables. The following test items shall be carried out in accordance with relevant IEC standards.
No. | Test item |
Routine tests |
1 | Partial discharge test |
2 | Voltage test |
3 | electrical test on over sheath of the cable |
Sample tests |
1 | conductor examination |
2 | measurement of electrical resistance of conductor and of metal screen/sheath |
3 | measurement of thickness of insulation and oversheath |
4 | measurement of thickness of metal sheath |
5 | measurement of diameters |
6 | hot set test for XLPE insulation |
7 | measurement of capacitance |
Address:
Banbidian Village, Weishan Town, Daxing District, Beijing, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics
Company Introduction:
Beijing Huayuan Gaoke Cable Co., Ltd. Was established in 1998, located in Daxing District in Beijing China. The factory covers an area of over 20, 000 square meters and has eighteen domestic and foreign advanced production equipments of power cables up to 110kv XLPE insulated Cables. Company successfully introduced aluminum alloys cable production lines, mineral insulated fire resistent cable production line and silicon rubber cables production line in 2012. The company aims to seek perfect quality, technological innovation, energy efficiency and environmental protection. Huayuan has become an up-rising star in Chinese high-tech enterprises of the cable. The enterprises adopted the ISO9001: 2008 quality management system certification, GB/T28001-2011 occupational health and safety management certification, ISO14001: 2004 environmental management certification, CCC certification, the national industrial production permit, qualified suppliers of electric supply bureau in Beijing and so on, the mineral insulated fire resitent cable pass BSI CERTIFICATE as BS 6387: 2013, All products meet the national wire and cable standards. Our cables had been exported to Southeast Asia, Europe, North America, South America for many key projects.
We warmly welcome all friends, specialists and professors from all the world to visit, investigate, cooperate and exchange for technology and mutual benefits in our company at any time.