Main Specifications of Overhead Catenary and Orientation
Post Insulators for tunnel
Main Specifications of Anti-pollution and Double insulating anti-pollution
type Arm Post Insulators for secion and station
| ¡¡¡¡FTY No. |
2609 |
2610 |
2603 |
2604 |
2608 |
| ¡¡¡¡Type No. |
QBN2-25D |
QBN2-25 |
QBN2-25/8D |
QBN2-25/12D |
QNB2-25/12T |
| ¡¡¡¡Fig. No. |
3 |
3 |
4 |
4 |
4 |
| ¡¡¡¡Rated Voltage ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
25 |
25 |
25 |
25 |
| Main Dimensions |
D ¡¡¡¡¡¡¡¡¡¡¡¡¡¡mm |
¦µ168 |
¦µ185 |
¦µ190 |
¦µ180 |
| d ¡¡¡¡¡¡¡¡¡¡¡¡¡¡mm |
¦µ62 |
¦µ50 |
¦µ62 |
¦µ62 |
¦µ77.5 |
| ¡¡¡¡H¡¡ ¡¡¡¡¡¡¡¡ ¡¡ mm |
760 |
850 |
850 |
760 |
| Nominal Creepage Distance¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡¡¡¡¡¡¡mm |
1200 |
1200 |
1200 |
1200 |
| Power Frequency Wet
Withstand Voltage¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
130 |
130 |
130 |
130 |
| Lighting Impulse Withstand
Voltage ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
270 |
270 |
270 |
270 |
| Anti-pollution
Performance |
Solt Density ¡¡¡¡mg/cm£² |
0.32 |
0.32 |
0.32 |
0.32 |
| Withstand Voltage¡¡¡¡kV |
31.5 |
31.5 |
31.5 |
31.5 |
| Tension Failing Load ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
kN |
4 |
8 |
12 |
12 |
| Double insulated Anti-pollution Type
¡¡¡¡¡¡¡¡¡¡ |
| ¡¡¡¡FTY No. |
2605 |
2606 |
2601 |
2602 |
2607 |
| ¡¡¡¡Type No. |
QBZ2-25d |
QBZ2-25 |
QBZ2-25/8D |
QBZ2-25/12D |
QBZ2-25/12T |
| ¡¡¡¡Fig. No. |
3 |
3 |
4 |
4 |
4 |
| ¡¡¡¡Rated Voltage ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
25 |
25 |
25 |
25 |
| Main Dimensions |
D ¡¡¡¡¡¡¡¡¡¡¡¡¡¡mm |
¦µ178 |
¦µ185 |
¦µ190 |
¦µ190 |
| d ¡¡¡¡¡¡¡¡¡¡¡¡¡¡mm |
¦µ62 |
¦µ50 |
¦µ62 |
¦µ62 |
¦µ77.5 |
| ¡¡¡¡H¡¡ ¡¡¡¡¡¡¡¡ ¡¡ mm |
850 |
875 |
875 |
875 |
| Nominal Creepage Distance¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡¡¡¡¡¡¡mm |
1200 |
1200/145 |
1200/145 |
1200/145 |
| Power Frequency Wet
Withstand Voltage¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
130 |
130 |
130 |
130 |
| Lighting Impulse Withstand
Voltage ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kV |
270 |
270 |
270 |
270 |
| Anti-pollution Performance |
Solt Density ¡¡¡¡mg/cm£² |
0.32 |
0.32 |
0.32 |
0.32 |
| Withstand Voltage¡¡¡¡kV |
31.5 |
31.5 |
31.5 |
31.5 |
| Cantilever Failing Load ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡kN
|
4 |
8 |
12 |
12 |
| Tension Failing Load ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
kN |
|
80 |
120 |
120 |
Insulators with Cantilever failing load 16KN are available upon request.