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1×1000mm 2 38/66（72.5）kV CU / XLPE / LS / CWS / HDPE電源ケーブル
| Model No. : | YJQS03 |
|---|---|
| Brand Name : | HUAYUAN YONGTONG |
| Type : | Insulated |
製品説明
1.一般
この一覧に記載されている仕様は、Beijing Huayuan Gaoke Cable Co.、Ltd。によって製造されたEHV電源ケーブルの構造、性能、テストおよびパッキング情報をカバーしています。
この技術仕様書に記載されていない事項については、購入者とサプライヤーが交渉しなければならない。この文書は、公式の附属書に別段の定めがある場合を除き、両当事者間の合意が契約の技術合意であることを確認するものです。
2.アプリケーションスタンダード
提供されたケーブルは、次のように国際規格に従って設計され、製造され、試験されなければならない。
|
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. 66kVケーブルのためのケーブル構造
CU / XLPE / LS / CWS / HDPE 38/66（72.5）kV 1×1000mm 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 |
銅線を用いたLeasシースは短絡電流を一緒に負荷する
4.保証された技術の詳細
|
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. EHV電源ケーブルのテスト要件
ケーブル試験は、適用可能な66 kV電源ケーブルの規格に従って実施しなければならない。以下の試験項目は、関連するIEC規格に従って実施しなければならない。
|
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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