Beskrivning
Specifikationer
surge arrester:
lightweight, unbreakable, hydrophobic, resistant ozone UV radiations, resistant earthquake shocks.
Polymer housed Metal oxide surge arrestes without gaps
Ansökan: For protecting rated voltage up to 220kV power transmission & distribution system from over-voltage.
Ratings: Up to 220kV.
Standards: IEC 60099-4
Drag: Reliability and excellent protection based on years of experience and expertise in surge protection. Good anti-moisture capability, resistant to pollution. GIS metal oxide surge arrester, composite metal oxide surge arrester and porcelain metal oxide surge arresters are available. Long life and lightweight. Easy installation and maintenance. Good sealing capability to ensure reliable operation. High energy absorption ability.
Technical Specification:
| Typ | Rated voltage of arrester KV | Nominal voltage of system (virtual value)KV | Continuous operating voltage (virtual value)KV | Reference voltage not less than D.C (U1mA)KV | Max residual voltage(peak) | 2000μs rectangular impulse current (peak value) A | 4/10μs impulse current (peak value) KA | The max leakage current of 0.75DC refference voltageμA | ||
| Steep current impulse KV | Lightning impulse current KV | Switching current impulse KV | ||||||||
| YH5WZ-42/143 | 42 | 35 | 23 | 73 | 154 | 134 | 114 | 150 | 65 | 50 |
| YH5WZ-51/134 | 51 | 35 | 40.8 | 73 | 154 | 134 | 114 | |||
| YH5WZ-52.7/134 | 52.7 | 35 | 40.8 | 73 | 154 | 134 | 114 | |||
| YH5WZ-54/134 | 54 | 35 | 41 | 73 | 154 | 134 | 114 | |||
| YH5WZ-75/134 | 75 | 66 | 60 | 123 | 248 | 215 | 183 | 400 | 65 | 50 |
| YH5WZ-90/224 | 90 | 66 | 72.5 | 130 | 258 | 224 | 190 | |||
| YH10W-75/250 | 75 | 66 | 60 | 127 | 288 | 250 | 213 | 600 | 100 | 50 |
| YH10W-75/223 | 75 | 66 | 60 | 127 | 256 | 223 | 190 | |||
| YH10W-75/230 | 90 | 66 | 60 | 127 | 265 | 230 | 196 | |||
| YH10W-90/224 | 90 | 66 | 72.5 | 130 | 258 | 224 | 190 | |||
| YH10W-90/232 | 90 | 66 | 72.5 | 130 | 266 | 232 | 198 | |||
| YH10W-90/235 | 90 | 66 | 72.5 | 130 | 270 | 235 | 201 | |||
