Kema tested Low Voltage MOA Gapless Surge Arrester for 220 kv transmission line
Specifications:
Type | YH10W5-10/27.6 |
Rated voltage---------kV | 10 |
MOCV ----------------kV | 8.4 |
Nominal Current-------kV | 10 |
Residual voltage of steep impulse----at 5kA(kV) | 30 |
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 27.6 |
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | 21.1 |
1mA D.C reference voltage (kV) | 14.2 |
Line discharge level | 1 |
2mS long duration impulse current A | 400 |
4/10µS High current impulse kA | 100 |
Lightning impulse withstand kV | 110 |
Power frequency voltage withstand(dry/wet)kV | 28 |
0.1S TOV--------------kV | 12 |
1S TOV----------------kV | 11.5 |
10S TOV---------------kV | 11 |
1200S TOV-------------kV | 10 |
Creepage distance ----mm | 434 |
Material employed in series non-linear resistor | Zinc Oxide |
Advantages:
1. Compact and Lightweight
2. Extremely Safe Pressure Relief Performance
3. Superior Performance against Environmental Contamination
4. Directly Molded Structure
5. Compliance with International Standards(IEC60099-4)
6. Simple Support Structure
7. Manufactured at Advanced ISO-9001 certified facilities