Product Details:
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Material: | Metal-oxide | Type: | Gapless For Electrical Railway |
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Usage: | Indoor/ Outdoor | Color: | Red/ Grey/ Customer Specified |
Nominal System Voltage: | 110kV | Nominal Discharge Current: | 5kA/ 10kA |
Bushing Shed Dimension: | Φ195 Mm | Height: | 1296 Mm |
High Light: | 110kV Lightning Surge Arresters,Gapless Lightning Surge Arresters,Porcelain 110kV surge arrester |
110kV Railway Porcelain Gapless Surge Arrester
Product introduction:
Normally there are 2 kinds of DC SA for railway system:
1/ 750V, Ur=1.0kV, 8/20μs residual voltage at 20kA: 2.4kV;
2/ 1500V, Ur=2.0kV, 8/20μs residual voltage at 20kA: 4.8kV.
Item | Description | Offered | Offered | Offered | Offered | |
1 | Manufacture/ Country of Origin | Xi'an Shendian/ China | ||||
2 | Model | Y5WT-100/260 | Y5WT-100/275 | Y5WT-100/290 | Y5WT-100/295 | |
3 | Applicable standard | IEC 60099-4 | IEC 60099-4 | IEC 60099-4 | IEC 60099-4 | |
4 | Type | Outdoor, ZnO, gapless | ||||
5 | Norminal voltage of system | kV | 110 | 110 | 110 | 110 |
6 | Earthing system | Effectively earthed | ||||
7 | Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 |
8 | Rated voltage of SA | kV | 100 | 100 | 100 | 100 |
9 | Maximum continuous operating voltage | kV | 73 | 73 | 73 | 73 |
19 | Power frequency reference voltage | kV | 145 | 150 | 158 | 160 |
11 | - at reference current of Note: State peak value or rms. |
mA (D.C) | 1 | 1 | 1 | 1 |
12 | Nominal discharge current | kA | 5 | 5 | 10 | 10 |
13 | (a) Lightning impulse | kV | ≤260 | ≤275 | ≤290 | ≤295 |
(b) Steeping impulse | kV | ≤291 | ≤316 | ≤325 | ≤330 | |
(c) Switching impulse | kV | ≤221 | ≤234 | ≤247 | ≤251 | |
14 | Material employed in series non-linear resistor | ZnO etc. | ZnO etc. | ZnO etc. | ZnO etc. | |
16 | - Material | Brown Porcelain | Brown Porcelain | Brown Porcelain | Brown Porcelain | |
- Minimum creepage distance | mm/kV | 25/31 | 25/31 | 25/31 | 25/31 | |
16 | - HV terminal | hot zip screw | hot zip screw | hot zip screw | hot zip screw | |
- earth terminal | hot zip screw | hot zip screw | hot zip screw | hot zip screw | ||
17 | Diameter of bushing sheds | mm | 270 | 270 | 270 | 270 |
18 | Height | mm | 1620 | 1620 | 1620 | 1620 |
Schematic diagram:
Contact Person: Mr. xue feng
Tel: +86 13709223751