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Model No. : | YJQS03 |
---|---|
Brand Name : | HUAYUAN YONGTONG |
Type : | Insulated |
Beijing, Beijing, China
Produktbeschreibung
1. ALLGEMEINES
Diese gelistete Spezifikation deckt die Struktur, die Leistung, die Test- und Verpackungsinformationen von EHV Power Cable ab, wie sie 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 Anlagen nichts anderes bestimmt ist.
2. ANWENDBAR STANDARDS
Das 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 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. KABELSTRUKTUR für 66kV Kabel
CU / XLPE / LS / CWS / HDPE 38/66 (72,5) kV 1 × 1000 mm 2
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 |
Leas-Hülle mit Kupferdraht verpflichten Verladung Kurzschlussstrom zusammen
4. Garantierte technische Einzelheiten
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. TESTANFORDERUNGEN FÜR EHV-Stromkabel
Die Kabelprüfung muss gemäß der geltenden Norm für 66-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 |
Unternehmen
Werkstatt
Paket
Lieferung und Zahlung
Ehre
Kunde
Beijing, Beijing, China
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