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Model No. : | YJV |
---|---|
Brand Name : | HUAYUAN YONGTONG |
Brand : | HUAYUAN YONGTONG |
Beijing, Beijing, China
Descrição do produto
1. GERAL
Esta especificação listada cobre as informações de estrutura, desempenho, teste e embalagem do cabo de energia EHV 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 que Beijing Huayuan oferece 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 62067 |
Power cables with extruded insulation and their accessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV) - Test methods and requirements |
3
ESTRUTURA DOS CABOS para 1C * 1400 mm 2 Cabo
CU / XLPE / CWS / AL-PE / PEAD / 220 / 400kV 1 × 1400 / 240mm 2
Structure |
Nominal thickness mm |
Nominal diameter mm |
1 Copper conductor(5 Segmental) |
/ |
45.7±0.8 |
2 semi-conductive tape |
0.14 |
46.7 |
3 conductor screen(wrapping & extruding) |
2.5 |
50.7 |
4 XLPE insulation |
29.0 |
108.7±1.5 |
5 Insulation screen |
1.5 |
111.7 |
6 semi-conductive water blocking tape |
2.0 |
113.7 |
7 Copper wire screen with Copper tape wrapping(gap) |
Sectional area 240. mm2(calculation value) |
118.2 |
8 semi-conductive water blocking tape |
0.6 |
119.2 |
11 Aluminum-polyethylene tape |
0.21 |
119.9 |
12 HDPE outer sheath |
6.0 |
131.9 |
13 semi-conductive layer(graphite coating) |
|
131.9±3.0 |
4 Dados Técnicos Garantidos
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
1 |
Manufacturer |
|
Beijing Huayuan Gaoke Cable.Co.,Ltd. |
2 |
Cable size |
mm2 |
1400(nominal) |
3 |
Cable type |
|
CU/XLPE/CWS/AL-PE/HDPE |
4 |
Voltage Grade(U0/U(Um) |
KV |
220/400(420) |
5 |
Reference Standard |
|
IEC 62067 |
6 |
No. and cross sectional area of conductor |
|
1C 1400sqmm |
7 |
Conductor material |
|
Copper |
8 |
Shape |
|
5 Segmental |
9 |
Nominal diameter of conductor |
mm |
45.7 |
10 |
Conductor Screen materials |
|
Simi-conduction tape + Extruded semi-conducting compound |
11 |
Nominal thickness of conductor screen |
mm |
2.5(wrapping + extruding) |
12 |
Insulation material |
|
super clean XLPE |
13 |
Nominal thickness of insulation |
mm |
29.0 |
14 |
Nominal diameter over insulation |
mm |
108.7 |
15 |
Insulation screen material |
|
|
16 |
Nominal thickness of insulation screen |
mm |
1.5 |
17 |
Metallic Screen material |
|
Copper wire screen with copper spiral binder tape (gap) |
18 |
Short circuit current rating(t=1.0sec) |
|
|
|
Of conductor |
kA |
201.4 |
|
Of metallic screen |
kA |
34.2 |
19 |
Outer sheath material |
|
HDPE |
20 |
Nominal thickness of outer sheath |
mm |
6.0 |
21 |
Nominal overall diameter of cable |
mm |
131.9 |
22 |
Approx. weight of cable |
kg/km |
25020 |
23 |
Minimum bending radius |
mm |
2640 |
24 |
Max.D.C. Conductor resistance at20`C |
Ω/km |
0.0129 |
25 |
Nominal capacitance per phase |
uF/km |
0.175 |
26 |
Max. current rating in air at 40° C |
A |
1656(2 circuit ,phase spacing 300, flat formation, a point earthed or cross connected) |
27 |
Max. current rating in tunnel at 50° C |
A |
1500(2circuit ,phase spacing 300, flat formation, a point earthed or cross connected , inside wide more than 1.8m, inside height more than 1.0m) |
28 |
Max. conductor temperature on continuous |
℃ |
90 |
29 |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
5. REQUISITOS DE TESTE PARA Cabos Elétricos EHV
O teste do cabo deve ser realizado de acordo com o padrão aplicável de cabos de potência de 400 kV. 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 oversheath 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 |
6. INFORMAÇÕES embalagem para Cabos de Potência de 400 kV
Os cabos devem ser enrolados em tambores de aço. 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 |
||
CU/XLPE/CWS/AL-PE/HDPE 220/400 kV 1× 1400 mm2 |
180 |
3800 |
3000 |
1950 |
2200 |
Nota: O valor [D "não deve conter a dimensão das placas de vedação.
Fábrica e Equipamentos
Pacote
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Beijing, Beijing, China
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