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Model No. : | YJSAY |
---|---|
Brand Name : | HUAYUAN YONGTONG |
Brand : | HUAYUAN YONGTONG |
Beijing, Beijing, China
Produktbeschreibung
Diese gelistete Spezifikation deckt die Struktur, Leistung, Test- und Verpackungsinformationen von EHV Power Cable ab, hergestellt von Beijing Huayuan Gaoke Cable Co., Ltd.
Angelegenheiten, die nicht in dieser technischen Spezifikation erwähnt sind, werden vom Käufer und Lieferanten ausgehandelt. Dieses Dokument bestätigt die Vereinbarung beider Parteien als technische Vertragsvereinbarung, sofern in den offiziellen schriftlichen Anhängen nichts anderes bestimmt ist.
Das von TBEA angebotene Kabel muss gemäß den folgenden internationalen Normen entworfen, hergestellt und geprüft werden:
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 |
CU / XLPE / CWS / AL-PE / HDPE / 220/400 kV 1 × 2000/240 mm 2
Structure |
Nominal thickness mm |
Nominal diameter mm |
1 Copper conductor(5 Segmental) |
/ |
54.7±1.0 |
2 semi-conductive tape |
0.14 |
55.7 |
3 conductor screen(wrapping & extruding) |
2.5 |
59.7 |
4 XLPE insulation |
28.0 |
115.7±1.5 |
5 Insulation screen |
1.0 |
118.7 |
6 semi-conductive water blocking tape |
2.0 |
120.7 |
7 Copper wire screen with Copper tape wrapping(gap) |
Sectional area 240. mm2(calculation value) |
125.2 |
8 semi-conductive water blocking tape |
0.6 |
126.2 |
11 Aluminum-polyethylene tape |
0.21 |
126.9 |
12 HDPE outer sheath |
6.0 |
138.9 |
13 semi-conductive layer(graphite coating) |
|
138.9±3.0 |
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
1 |
Manufacturer |
|
Beijing Huayuan Gaoke Cable Co.,Ltd. |
2 |
Cable size |
mm2 |
2000(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 2000sqmm |
7 |
Conductor material |
|
Copper |
8 |
Shape |
|
5 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 |
2.5(wrapping +extruding) |
12 |
Insulation material |
|
super clean XLPE |
13 |
Nominal thickness of insulation |
mm |
28.0 |
14 |
Nominal diameter over insulation |
mm |
115.7 |
15 |
Insulation screen material |
|
Extruded semi-conducting compound |
16 |
Nominal thickness of insulation screen |
mm |
1.0 |
17 |
Metallic Screen material |
|
Copper wire screen with copper spiral binder tape (gap) |
18 |
Short circuit current rating(t=1.0sec) |
|
|
|
Of conductor |
kA |
287.4 |
|
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 |
138.9 |
22 |
Approx. weight of cable |
kg/km |
30920 |
23 |
Minimum bending radius |
mm |
2780 |
24 |
Max.D.C. Conductor resistance at20`C |
Ω/km |
0.009 |
25 |
Nominal capacitance per phase |
uF/km |
0.202 |
26 |
Max. current rating in air at 40° C |
A |
2045(2 circuit ,phase spacing 300, flat formation, a point earthed or cross connected) |
27 |
Max. current rating in ground at 25° C |
A |
1507(2circuit ,phase spacing 300, flat formation, a point earthed or cross connected ,depth of laying 1000 mm ,thermal resistivity of soil 1.2 k.m/W) |
28 |
Max. conductor temperature on continuous |
℃ |
90 |
29 |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
Die Kabelprüfung muss gemäß der geltenden Norm für 400-kV-Stromkabel durchgeführt werden. Die folgenden Prüfgegenstände müssen in Übereinstimmung mit den relevanten IEC-Normen ausgeführt werden.
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 |
Die Kabel sind auf Stahlfässern zu wickeln. Die unlöschbare Markierung muss gemäß den Kundenanforderungen auf die Oberfläche des Trommelflansches gedruckt werden.
1.High Voltage Power Kabel 2.Hv Xlpe Kabel 3.Unterirdisches Kabel 4.Elektrische Kabel 5.Construcion Kabel
Beijing, Beijing, China
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