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Model No. : | YJLSAY |
---|---|
Brand Name : | HUAYUAN YONGTONG |
Brand : | HUAYUAN YONGTONG |
Beijing, Beijing, China
Descrição do produto
1. GERAL
Esta especificação listada cobre a estrutura, desempenho, teste e informações de embalagem do cabo de alimentação de alta tensão como fabricado pela Beijing Huayuan Gaoke Cable Co.Ltd.
As questões não mencionadas nesta especificação técnica devem ser negociadas pelo comprador e pelo fornecedor. Este documento confirma o acordo entre as duas partes como acordo técnico do contrato, salvo disposição em contrário nos anexos oficiais por escrito.
2. NORMAS APLICÁVEIS
O cabo oferecido pela TBEA deve ser projetado, fabricado e testado de acordo com as normas internacionais, como segue:
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
ESTRUTURA DOS CABOS para cabo 1C * 800mm2
AL / XLPE / CWS / AL-PE / PEAD 76 / 132kV 1C800 mm2
Construction |
Nominal Thickness(mm) |
Nominal Diameter(mm) |
1--- Compacted circular stranded aluminum Conductor |
60/4.23 |
34.0±0.2 |
2---Semi-conducting tape |
0.14 |
34.6 |
3---Conductor screen (lapping +extrusion) |
1.2 |
36.4 |
4---XLPE insulation |
18.0 |
72.4±1.5 |
5---Insulation screen |
1.0 |
74.4 |
6---Semi-conductor blocking tape |
2.0 |
76.4 |
7--- Copper wire screen with copper tape spiral binder tape |
Copper wire screen area 282 mm2 |
80.9 |
8--- Semi-conductor blocking tape |
0.6 |
81.9 |
9--- Aluminum tape coated with PE copolymer |
0.21 |
82.6 |
10--- HDPE Outer sheath |
4.5 |
91.6 |
11---Semi-conductor layer |
0.6 |
91.6±3.0 |
4. Técnicas Técnicas Garantidas
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
1 |
Manufacturer |
|
Beijing Huayuan |
2 |
Cable size |
mm2 |
800 |
2.1 |
Cable type |
|
AL/XLPE/CWS/AL-PE/HDPE |
3. |
Voltage Grade(Uo/U(Um) |
kV |
76/132(145) |
4. |
Reference Standard |
|
IEC 60228 IEC60840 |
5. |
No. and cross sectional area of conductor |
|
1C 800sqmm |
6. |
Conductor material |
|
Aluminum |
7. |
Shape |
|
Circular compact stranded(class 2) |
9. |
Nominal diameter of conductor |
mm |
34.0 |
10. |
Conductor Screen materials |
|
Simi-conduction tape + Extruded semi-conducting compound |
11. |
Nominal thickness of conductor screen |
mm |
1.2(lapping +extrusion) |
12. |
Nominal thickness of insulation |
mm |
18.0 |
13. |
Nominal diameter over insulation |
mm |
72.4 |
14. |
Insulation screen material |
|
Extruded semi-conducting compound |
15. |
Nominal thickness of insulation screen |
mm |
1.0 |
16. |
Metallic Screen material |
|
Copper wire with copper tape binder |
17 |
Short circuit current rating(t=1.0sec) |
|
|
|
Of conductor |
kA |
114.4 |
|
Of metal screen |
kA |
40.2 |
18 |
Outer sheath material |
|
HDPE |
19 |
Nominal thickness of outer sheath |
mm |
4.5 |
20 |
Minimum thickness of outer sheath |
mm |
3.7 |
21. |
Nominal overall diameter of cable |
mm |
91.6 |
22. |
Approx. weight of cable |
Kg/km |
9590 |
23 |
Minimum bending radius |
mm |
1830 |
24 |
Max.D.C. Conductor resistance at 20`C |
Ω/km |
0.0221 |
25. |
Capacitance per phase |
uF/km |
0.194 |
26 |
1 circuit ,air temperature 40 ℃, ground temperature 25 ℃, phase spacing 250mm, flat formation depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W; |
||
27 |
Max. current rating in air(at 40 ℃) |
A |
1271 |
28. |
Max. current rating in ground (at 25 ℃) |
A |
1023 |
29. |
Max. conductor temperature on continuous |
℃ |
90 |
30. |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
5. REQUISITOS DE TESTE PARA HV Power Cables
O teste do cabo deve ser realizado de acordo com o padrão aplicável de cabos de energia de 132kV. Os seguintes itens de teste devem ser realizados de acordo com as normas IEC relevantes.
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 |
3 |
measurement of thickness of insulation and over sheath |
4 |
measurement of thickness of metal sheath |
5 |
measurement of diameters |
6 |
hot set test for XLPE insulation |
7 |
measurement of capacitance |
8 |
Lightning impulse voltage test(This test is only required for cables with a nominal electric conductor stress > 8,0 kV/mm) |
9 |
Water penetration test |
6 / INFORMAÇÕES DE EMBALAGEM PARA Cabos de Potência de 132 kV
Os cabos devem ser enrolados em tambores de aço não retornáveis. A marcação indelével deve ser impressa na superfície do flange do tambor de acordo com as exigências do cliente.
Cable Type |
Drum length(m) |
Drum Dimensions (mm) |
|||
D |
d |
b |
B |
||
AL/XLPE/CWS/AL-PE/HDPE-76/132kV-1C*800mm2 |
500 |
3000 |
2000 |
1950 |
2200 |
Nota: O valor [D "não deve conter a dimensão das placas de vedação.
Beijing, Beijing, China
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