Huayuan Gaoke Cable Co.,Ltd.
66 KV XLPE HV Cables de alimentación,Cable subterráneo de 1x1000 Mm2,Cable Amolado de Aleación de Plomo
Huayuan Gaoke Cable Co.,Ltd.
66 KV XLPE HV Cables de alimentación,Cable subterráneo de 1x1000 Mm2,Cable Amolado de Aleación de Plomo
| Tipo de Pago: | L/C,T/T,Paypal,Western Union |
|---|---|
| Incoterm: | FOB,CFR,CIF,FCA,CPT,CIP |
| Cantidad de pedido mínima: | 1000 Meter |
Modelo: YJQS03
Marca: HUAYUAN YONGTONG
Paquete: Tambor
productividad: 100km/M
transporte: Ocean,Land,Air
Lugar de origen: Beijing, China
Apoyo sobre: 1000km/M
Certificados : CE,CCC,ISO,KEMA
HS-Code: 8544601300
Hafen: TIANJIN,SHANGHIA,QINGDAO
Tipo de Pago: L/C,T/T,Paypal,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT,CIP
1. GENERAL
Esta especificación enumerada cubre la estructura, el rendimiento, la prueba y la información de embalaje del cable de alimentación EHV fabricado por Beijing Huayuan Gaoke Cable Co., Ltd.
Los asuntos no mencionados en esta especificación técnica serán negociados por el comprador y el proveedor. Este documento confirma el acuerdo de las dos partes como un acuerdo técnico del contrato a menos que en los anexos oficiales por escrito se especifique lo contrario.
2. ESTÁNDARES DE APPLICALBE
El cable que se ofrece debe diseñarse, fabricarse y probarse de acuerdo con las normas internacionales de la siguiente manera:
|
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. ESTRUCTURA DE LOS CABLES para el cable de 66kV
CU / XLPE / LS / CWS / HDPE 38/66 (72.5) kV 1 × 1000 mm2
|
Structure |
Nominal thickness mm |
Nominal diameter mm |
|
1 Five(5) Milliken (segmental) copper conductor |
/ |
38.8±0.6 |
|
2 Semi-conductive tape |
0.14 |
39.4 |
|
3 Conductor screen(wrapping & extruding) |
2.0 |
42.8 |
|
4 XLPE insulation |
12.0 |
66.8±1.5 |
|
5 Insulation screen |
1.0 |
68.8 |
|
6 semi-conductive water blocking tape |
2.0 |
70.8 |
|
7 lead sheath |
3.0 |
76.8 |
|
8 Semi-conductive water blocking tape |
2.0 |
78.8 |
|
9 Copper wire screen with c opper tape wrapping(gap) |
Nominal sectional area 120.0mm2 |
81.8 |
|
10 non-conductive water blocking tape |
0.6 |
82.8 |
|
11 HDPE outer sheath |
4.5 |
91.8 |
|
12 semi-conductive layer(extruding) |
0.5 |
92.8±3.0 |
Las vainas Leas con cable de cobre se encargan de cargar la corriente de cortocircuito juntas
4. Partidas técnicas garantizadas
|
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
|
1 |
Manufacturer |
|
Beijing Huayuan Gaoke Cable.Co.,Ltd.
|
|
2 |
Cable size |
mm2 |
1000(nominal) |
|
3 |
Cable type |
|
CU/XLPE/LS/CWS/HDPE |
|
4 |
Voltage Grade(U0/U(Um) |
KV |
38/66(72.5) |
|
5 |
Reference Standard |
|
IEC 60840 |
|
6 |
No. and cross sectional area of conductor |
|
1C 1000sqmm |
|
7 |
Conductor material |
|
Copper |
|
8 |
Shape |
|
Five(5) Milliken (segmental) |
|
9 |
Nominal diameter of conductor |
mm |
38.8 |
|
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 |
12.0 |
|
14 |
Nominal diameter over insulation |
mm |
66.8 |
|
15 |
Insulation screen material |
|
Extruded semi-conducting compound |
|
16 |
Nominal thickness of insulation screen |
mm |
1.0 |
|
17 |
Metallic Screen material |
|
copper wire with copper tape binder tape (gap) |
|
18 |
Short circuit current rating(t=1.0sec) |
|
|
|
|
Of conductor |
kA |
144 |
|
|
Of metallic screen |
kA |
≥25(lead sheath with copper wire) |
|
19 |
Outer sheath material |
|
HDPE |
|
|
Colour |
|
yellow |
|
20 |
Nominal thickness of outer sheath |
mm |
4.5 |
|
21 |
Nominal thickness of extrude semi-conductive layer |
mm |
0.5 |
|
22 |
Nominal overall diameter of cable |
mm |
92.8 |
|
23 |
Approx. weight of cable |
kg/km |
21860 |
|
24 |
Minimum bending radius |
mm |
2320 |
|
25 |
Max.D.C. Conductor resistance at20`C |
Ω/km |
0.0176 |
|
26 |
Nominal capacitance per phase |
uF/km |
0.30 |
|
27 |
Max. current rating in air at 40° C |
A |
1442(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected) |
|
28 |
Max. current rating in ground at 25° C |
A |
1273circuit ,phase spacing 250, flat formation, a point earthed or cross connected ,depth of laying 1200 mm ,thermal resistivity of soil 1.0 k.m/W) |
|
29 |
Max. conductor temperature on continuous |
℃ |
90 |
|
30 |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
5. REQUISITOS DE PRUEBA PARA LOS CABLES DE ENERGÍA EHV
La prueba del cable se realizará de acuerdo con el estándar aplicable de los cables de alimentación de 66 kV. Los siguientes elementos de prueba se llevarán a cabo de acuerdo con las normas pertinentes de IEC.
|
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 |
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