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Help Center15KV Composite Lightning Surge Arrester Used for Power Transformer Protection
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Certification:ISO9001/KEMA
Composite Lightning Arrestor used for transformer , KEMA
Description:
YH5W5-15/33 Surge Arresters
YongDe Surge Arresters can be applied to a variety of systems including substation equipment, AC-DC converters, railway power system and power distribution units ranging from 0.25kV to 765kV systems. These surge arresters demonstrate excellent protection properties.
Features:
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
Specifications:
YH5W5-15/33 Surge Arresters technical parameter
| Type | YH5W5-15/33 |
| Rated voltage---------kV | 15 |
| MOCV ----------------kV | 12.7 |
| Nominal Current-------kV | 5 |
| Residual voltage of steep impulse----at 5kA(kV) | 43.5 |
| 8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 40 |
| Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | / |
| 1mA D.C reference voltage (kV) | 21.2 |
| Line discharge level | 1 |
| 2mS long duration impulse current A | 250 |
| 4/10µS High current impulse kA | 65 |
| Lightning impulse withstand kV | 95 |
| Power frequency voltage withstand(dry/wet)kV | 28 |
| 0.1S TOV--------------kV | 18 |
| 1S TOV----------------kV | 17.25 |
| 10S TOV---------------kV | 16.5 |
| 1200S TOV-------------kV | 15 |
| Creepage distance ----mm | 500 |
| Material employed in series non-linear resistor | Zinc Oxide |
Polymer surge arrester production process:
1. Zinc oxide varistor with group
2. Core body tied, solidify
3. Degrease, coated with coupling agent
4. Core body preheating
5. Whole vulcanization molding
6. Visual inspection, secondary vulcanization
7. Factory inspection
8. Packing and warehousing
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