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Model No. : | YJLW03 |
---|---|
Brand Name : | HUAYUAN YONGTONG |
Application : | Underground |
Beijing, Beijing, China
Descrizione del prodotto
1. GENERALE
Questa specifica elencata copre le informazioni sulla struttura, le prestazioni, il test e l'imballaggio del cavo di alimentazione EHV prodotto da Beijing Huayuan Gaoke Cable Co., Ltd.
Le questioni non menzionate in questa specifica tecnica devono essere negoziate dall'acquirente e dal fornitore. Questo documento conferma l'accordo tra le due parti come accordo tecnico di contratto, salvo diversamente negli allegati scritti ufficiali.
2. STANDARD APPLICATIVI
Il cavo deve essere progettato, fabbricato e testato secondo le norme internazionali come 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 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. STRUTTURA DEI CAVI PER CAVO A 110 KV
(1)
CU / XLPE / AWS / AL-PE / HDPE 64/110 (123) kV 1 × 400mm2
Structure |
Nominal thickness mm |
Nominal diameter mm |
1 Circular compact stranded copper conductor |
60/2.97 |
23.2±0.2 |
2 semi-conductive tape |
0.14 |
23.8 |
3 Conductor screen(wrapping & extruding) |
1.2 |
25.6 |
4 XLPE insulation |
17.5 |
60.6(-1.0,+1.5) |
5 Insulation screen |
1.0 |
62.6 |
6 semi-conductive water blocking tape |
2.0 |
64.6 |
7 Aluminum wire screen with aluminum tape wrapping(gap) |
Sectional area 289mm2 |
69.9 |
8 semi-conductive water blocking tape |
0.6 |
70.9 |
9 AL-PE tape |
0.21 |
71.6 |
10 HDPE outer sheath |
4.0 |
79.6 |
11 semi-conductive layer (graphite coating) |
|
79.6±3.0 |
(2)
CU / XLPE / AWS / AL-PE / HDPE 64/110 (123) kV 1 × 2000mm2
Structure |
Nominal thickness mm |
Nominal diameter mm |
1 Five(5) Milliken (segmental) copper conductor |
5*(91/2.48) |
54.7±1.0 |
2 semi-conductive tape |
0.14 |
55.3 |
3 Conductor screen(wrapping & extruding) |
2.0 |
58.7 |
4 XLPE insulation |
16.0 |
90.7(-1.5,+1.0) |
5 Insulation screen |
1.0 |
92.7 |
6 semi-conductive water blocking tape |
2.0 |
94.7 |
7 Aluminum wire screen with aluminum tape wrapping(gap) |
Sectional area 275mm2 |
100.0 |
8 semi-conductive water blocking tape |
0.6 |
101.0 |
9 AL-PE tape |
0.21 |
101.7 |
10 HDPE outer sheath |
5.0 |
111.7 |
11 semi-conductive layer (graphite coating) |
|
111.7±3.0 |
1. PARTICOLARI TECNICI GARANTITI
64/110 (123) kV 1 × 400mm2
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
1 |
Manufacturer |
|
Beijing Huayuan |
2 |
Cable size |
mm2 |
400(nominal) |
3 |
Cable type |
|
CU/XLPE/AWS/AL-PE/HDPE |
4 |
Voltage Grade(U0/U(Um) |
KV |
64/110(123) |
5 |
Reference Standard |
|
IEC 60840 |
6 |
No. and cross sectional area of conductor |
|
1C 400sqmm |
7 |
Conductor material |
|
Copper |
8 |
Shape |
|
Circular compact stranded |
9 |
Nominal diameter of conductor |
mm |
23.2 |
10 |
Conductor Screen materials |
|
Simi-conduction tape + Extruded semi-conducting compound |
11 |
Nominal thickness of conductor screen |
mm |
1.2(wrapping + extruding) |
12 |
Insulation material |
|
super clean XLPE |
13 |
Nominal thickness of insulation |
mm |
17.5 |
14 |
Nominal diameter over insulation |
mm |
60.6 |
15 |
Insulation screen material |
|
|
16 |
Nominal thickness of insulation screen |
mm |
1.0 |
17 |
Metallic Screen material |
|
aluminum wire screen with aluminum spiral binder tape (gap) |
18 |
Short circuit current rating(t=1.0sec) |
|
|
|
Of conductor |
kA |
57.8 |
|
Of metallic screen |
kA |
28.5 |
19 |
Outer sheath material |
|
HDPE |
20 |
Nominal thickness of outer sheath |
mm |
4.0 |
21 |
Nominal overall diameter of cable |
mm |
79.6 |
22 |
Approx. weight of cable |
kg/km |
7960 |
23 |
Minimum bending radius |
mm |
1600 |
24 |
Max.D.C. Conductor resistance at20`C |
Ω/km |
0.0470 |
25 |
Nominal capacitance per phase |
uF/km |
0.155 |
26 |
Max. current rating in air at 40° C |
A |
752(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected) |
27 |
Max. current rating in ground at 25° C |
A |
721(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected ,depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W,25℃) |
28 |
Max. conductor temperature on continuous |
℃ |
90 |
29 |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
64/110 (123) kV 1 × 2000mm2
No |
DESCRIPTION |
UNIT |
VALUEREQUIRED |
1 |
Manufacturer |
|
Beijing Huayuan |
2 |
Cable size |
mm2 |
2000(nominal) |
3 |
Cable type |
|
CU/XLPE/AWS/AL-PE/HDPE |
4 |
Voltage Grade(U0/U(Um) |
KV |
64/110(123) |
5 |
Reference Standard |
|
IEC 60840 |
6 |
No. and cross sectional area of conductor |
|
1C 2000sqmm |
7 |
Conductor material |
|
Copper |
8 |
Shape |
|
Five(5) Milliken (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 |
2.0(wrapping + extruding) |
12 |
Insulation material |
|
super clean XLPE |
13 |
Nominal thickness of insulation |
mm |
16.0 |
14 |
Nominal diameter over insulation |
mm |
90.7 |
15 |
Insulation screen material |
|
Extruded semi-conducting compound |
16 |
Nominal thickness of insulation screen |
mm |
1.0 |
17 |
Metallic Screen material |
|
aluminum wire screen with aluminum spiral binder tape (gap) |
18 |
Short circuit current rating(t=1.0sec) |
|
|
|
Of conductor |
kA |
287.4 |
|
Of metallic screen |
kA |
26.2 |
19 |
Outer sheath material |
|
HDPE |
20 |
Nominal thickness of outer sheath |
mm |
5.0 |
21 |
Nominal overall diameter of cable |
mm |
111.7 |
22 |
Approx. weight of cable |
kg/km |
24590 |
23 |
Minimum bending radius |
mm |
2240 |
24 |
Max.D.C. Conductor resistance at20`C |
Ω/km |
0.009 |
25 |
Nominal capacitance per phase |
uF/km |
0.306 |
26 |
Max. current rating in air at 40° C |
A |
1984(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected) |
27 |
Max. current rating in ground at 25° C |
A |
1597(1 circuit ,phase spacing 250, flat formation, a point earthed or cross connected ,depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W,25℃) |
28 |
Max. conductor temperature on continuous |
℃ |
90 |
29 |
Max. conductor temperature in short circuit |
℃ |
250(not exceed 5s) |
5. REQUISITI DI PROVA PER I CAVI DI ALIMENTAZIONE EHV
La prova del cavo deve essere eseguita in conformità con lo standard applicabile dei cavi di alimentazione da 110 kV. Le seguenti voci di prova devono essere eseguite conformemente alle norme IEC pertinenti.
No. |
Test item |
Routine tests |
|
1 |
Partial discharge test |
2 |
Voltage test |
3 |
electrical test on over sheath 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. CONFEZIONI PARTICOLARI PER CAVI DI ALIMENTAZIONE 64/110 KV
I cavi devono essere avvolti su fusti di acciaio. La marcatura indelebile deve essere stampata sulla superficie della flangia del tamburo in base alle esigenze del cliente.
Cable Type |
Drum length(m) |
Drum Dimensions (mm) |
|||
|
|
D |
d |
b |
B |
CU/XLPE/AWS/HDPE 64/110kV 1× 400 mm2 |
900 |
3200 |
2000 |
1950 |
2200 |
CU/XLPE/AWS/HDPE 64/110kV 1× 2000 mm2 |
400 |
3600 |
2600 |
1950 |
2200 |
Fabbrica e attrezzatura
Pacchetto e consegna
Onore
Beijing, Beijing, China
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